Merge tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver changes from Olof Johansson:
 "A handful of driver-related changes.  We've had a bunch of them going
  in through other branches as well, so it's only a part of what we
  really have this release.

  Larger pieces are:

   - Removal of a now unused PWM driver for atmel
     [ This includes AVR32 changes that have been appropriately acked ]
   - Performance counter support for the arm CCN interconnect
   - OMAP mailbox driver cleanups and consolidation
   - PCI and SATA PHY drivers for SPEAr 13xx platforms
   - Redefinition (with backwards compatibility!) of PCI DT bindings for
     Tegra to better model regulators/power"

Note: this merge also fixes up the semantic conflict with the new
calling convention for devm_phy_create(), see commit f0ed817638b5 ("phy:
core: Let node ptr of PHY point to PHY and not of PHY provider") that
came in through Greg's USB tree.

Semantic merge patch by Stephen Rothwell <sfr@canb.auug.org.au> through
the next tree.

* tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
  bus: arm-ccn: Fix error handling at event allocation
  mailbox/omap: add a parent structure for every IP instance
  mailbox/omap: remove the private mailbox structure
  mailbox/omap: consolidate OMAP mailbox driver
  mailbox/omap: simplify the fifo assignment by using macros
  mailbox/omap: remove omap_mbox_type_t from mailbox ops
  mailbox/omap: remove OMAP1 mailbox driver
  mailbox/omap: use devm_* interfaces
  bus: ARM CCN: add PERF_EVENTS dependency
  bus: ARM CCN PMU driver
  PCI: spear: Remove spear13xx_pcie_remove()
  PCI: spear: Fix Section mismatch compilation warning for probe()
  ARM: tegra: Remove legacy PCIe power supply properties
  PCI: tegra: Remove deprecated power supply properties
  PCI: tegra: Implement accurate power supply scheme
  ARM: SPEAr13xx: Update defconfigs
  ARM: SPEAr13xx: Add pcie and miphy DT nodes
  ARM: SPEAr13xx: Add bindings and dt node for misc block
  ARM: SPEAr13xx: Fix static mapping table
  phy: Add drivers for PCIe and SATA phy on SPEAr13xx
  ...

28 files changed, 2931 insertions, 1615 deletions

diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index 1f37d9870e7a..603eb1be4f6a 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -50,6 +50,14 @@ config ARM_CCI
 	  Driver supporting the CCI cache coherent interconnect for ARM
 	  platforms.
 
+config ARM_CCN
+	bool "ARM CCN driver support"
+	depends on ARM || ARM64
+	depends on PERF_EVENTS
+	help
+	  PMU (perf) driver supporting the ARM CCN (Cache Coherent Network)
+	  interconnect.
+
 config VEXPRESS_CONFIG
 	bool "Versatile Express configuration bus"
 	default y if ARCH_VEXPRESS
diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile
index 6a4ea7e4af1a..2973c18cbcc2 100644
--- a/drivers/bus/Makefile
+++ b/drivers/bus/Makefile
@@ -9,7 +9,9 @@ obj-$(CONFIG_OMAP_OCP2SCP)	+= omap-ocp2scp.o
 
 # Interconnect bus driver for OMAP SoCs.
 obj-$(CONFIG_OMAP_INTERCONNECT)	+= omap_l3_smx.o omap_l3_noc.o
-# CCI cache coherent interconnect for ARM platforms
+
+# Interconnect bus drivers for ARM platforms
 obj-$(CONFIG_ARM_CCI)		+= arm-cci.o
+obj-$(CONFIG_ARM_CCN)		+= arm-ccn.o
 
 obj-$(CONFIG_VEXPRESS_CONFIG)	+= vexpress-config.o
diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c
new file mode 100644
index 000000000000..3266f8ff9311
--- /dev/null
+++ b/drivers/bus/arm-ccn.c
@@ -0,0 +1,1391 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2014 ARM Limited
+ */
+
+#include <linux/ctype.h>
+#include <linux/hrtimer.h>
+#include <linux/idr.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/perf_event.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#define CCN_NUM_XP_PORTS 2
+#define CCN_NUM_VCS 4
+#define CCN_NUM_REGIONS	256
+#define CCN_REGION_SIZE	0x10000
+
+#define CCN_ALL_OLY_ID			0xff00
+#define CCN_ALL_OLY_ID__OLY_ID__SHIFT			0
+#define CCN_ALL_OLY_ID__OLY_ID__MASK			0x1f
+#define CCN_ALL_OLY_ID__NODE_ID__SHIFT			8
+#define CCN_ALL_OLY_ID__NODE_ID__MASK			0x3f
+
+#define CCN_MN_ERRINT_STATUS		0x0008
+#define CCN_MN_ERRINT_STATUS__INTREQ__DESSERT		0x11
+#define CCN_MN_ERRINT_STATUS__ALL_ERRORS__ENABLE	0x02
+#define CCN_MN_ERRINT_STATUS__ALL_ERRORS__DISABLED	0x20
+#define CCN_MN_ERRINT_STATUS__ALL_ERRORS__DISABLE	0x22
+#define CCN_MN_ERRINT_STATUS__CORRECTED_ERRORS_ENABLE	0x04
+#define CCN_MN_ERRINT_STATUS__CORRECTED_ERRORS_DISABLED	0x40
+#define CCN_MN_ERRINT_STATUS__CORRECTED_ERRORS_DISABLE	0x44
+#define CCN_MN_ERRINT_STATUS__PMU_EVENTS__ENABLE	0x08
+#define CCN_MN_ERRINT_STATUS__PMU_EVENTS__DISABLED	0x80
+#define CCN_MN_ERRINT_STATUS__PMU_EVENTS__DISABLE	0x88
+#define CCN_MN_OLY_COMP_LIST_63_0	0x01e0
+#define CCN_MN_ERR_SIG_VAL_63_0		0x0300
+#define CCN_MN_ERR_SIG_VAL_63_0__DT			(1 << 1)
+
+#define CCN_DT_ACTIVE_DSM		0x0000
+#define CCN_DT_ACTIVE_DSM__DSM_ID__SHIFT(n)		((n) * 8)
+#define CCN_DT_ACTIVE_DSM__DSM_ID__MASK			0xff
+#define CCN_DT_CTL			0x0028
+#define CCN_DT_CTL__DT_EN				(1 << 0)
+#define CCN_DT_PMEVCNT(n)		(0x0100 + (n) * 0x8)
+#define CCN_DT_PMCCNTR			0x0140
+#define CCN_DT_PMCCNTRSR		0x0190
+#define CCN_DT_PMOVSR			0x0198
+#define CCN_DT_PMOVSR_CLR		0x01a0
+#define CCN_DT_PMCR			0x01a8
+#define CCN_DT_PMCR__OVFL_INTR_EN			(1 << 6)
+#define CCN_DT_PMCR__PMU_EN				(1 << 0)
+#define CCN_DT_PMSR			0x01b0
+#define CCN_DT_PMSR_REQ			0x01b8
+#define CCN_DT_PMSR_CLR			0x01c0
+
+#define CCN_HNF_PMU_EVENT_SEL		0x0600
+#define CCN_HNF_PMU_EVENT_SEL__ID__SHIFT(n)		((n) * 4)
+#define CCN_HNF_PMU_EVENT_SEL__ID__MASK			0xf
+
+#define CCN_XP_DT_CONFIG		0x0300
+#define CCN_XP_DT_CONFIG__DT_CFG__SHIFT(n)		((n) * 4)
+#define CCN_XP_DT_CONFIG__DT_CFG__MASK			0xf
+#define CCN_XP_DT_CONFIG__DT_CFG__PASS_THROUGH		0x0
+#define CCN_XP_DT_CONFIG__DT_CFG__WATCHPOINT_0_OR_1	0x1
+#define CCN_XP_DT_CONFIG__DT_CFG__WATCHPOINT(n)		(0x2 + (n))
+#define CCN_XP_DT_CONFIG__DT_CFG__XP_PMU_EVENT(n)	(0x4 + (n))
+#define CCN_XP_DT_CONFIG__DT_CFG__DEVICE_PMU_EVENT(d, n) (0x8 + (d) * 4 + (n))
+#define CCN_XP_DT_INTERFACE_SEL		0x0308
+#define CCN_XP_DT_INTERFACE_SEL__DT_IO_SEL__SHIFT(n)	(0 + (n) * 8)
+#define CCN_XP_DT_INTERFACE_SEL__DT_IO_SEL__MASK	0x1
+#define CCN_XP_DT_INTERFACE_SEL__DT_DEV_SEL__SHIFT(n)	(1 + (n) * 8)
+#define CCN_XP_DT_INTERFACE_SEL__DT_DEV_SEL__MASK	0x1
+#define CCN_XP_DT_INTERFACE_SEL__DT_VC_SEL__SHIFT(n)	(2 + (n) * 8)
+#define CCN_XP_DT_INTERFACE_SEL__DT_VC_SEL__MASK	0x3
+#define CCN_XP_DT_CMP_VAL_L(n)		(0x0310 + (n) * 0x40)
+#define CCN_XP_DT_CMP_VAL_H(n)		(0x0318 + (n) * 0x40)
+#define CCN_XP_DT_CMP_MASK_L(n)		(0x0320 + (n) * 0x40)
+#define CCN_XP_DT_CMP_MASK_H(n)		(0x0328 + (n) * 0x40)
+#define CCN_XP_DT_CONTROL		0x0370
+#define CCN_XP_DT_CONTROL__DT_ENABLE			(1 << 0)
+#define CCN_XP_DT_CONTROL__WP_ARM_SEL__SHIFT(n)		(12 + (n) * 4)
+#define CCN_XP_DT_CONTROL__WP_ARM_SEL__MASK		0xf
+#define CCN_XP_DT_CONTROL__WP_ARM_SEL__ALWAYS		0xf
+#define CCN_XP_PMU_EVENT_SEL		0x0600
+#define CCN_XP_PMU_EVENT_SEL__ID__SHIFT(n)		((n) * 7)
+#define CCN_XP_PMU_EVENT_SEL__ID__MASK			0x3f
+
+#define CCN_SBAS_PMU_EVENT_SEL		0x0600
+#define CCN_SBAS_PMU_EVENT_SEL__ID__SHIFT(n)		((n) * 4)
+#define CCN_SBAS_PMU_EVENT_SEL__ID__MASK		0xf
+
+#define CCN_RNI_PMU_EVENT_SEL		0x0600
+#define CCN_RNI_PMU_EVENT_SEL__ID__SHIFT(n)		((n) * 4)
+#define CCN_RNI_PMU_EVENT_SEL__ID__MASK			0xf
+
+#define CCN_TYPE_MN	0x01
+#define CCN_TYPE_DT	0x02
+#define CCN_TYPE_HNF	0x04
+#define CCN_TYPE_HNI	0x05
+#define CCN_TYPE_XP	0x08
+#define CCN_TYPE_SBSX	0x0c
+#define CCN_TYPE_SBAS	0x10
+#define CCN_TYPE_RNI_1P	0x14
+#define CCN_TYPE_RNI_2P	0x15
+#define CCN_TYPE_RNI_3P	0x16
+#define CCN_TYPE_RND_1P	0x18 /* RN-D = RN-I + DVM */
+#define CCN_TYPE_RND_2P	0x19
+#define CCN_TYPE_RND_3P	0x1a
+#define CCN_TYPE_CYCLES	0xff /* Pseudotype */
+
+#define CCN_EVENT_WATCHPOINT 0xfe /* Pseudoevent */
+
+#define CCN_NUM_PMU_EVENTS		4
+#define CCN_NUM_XP_WATCHPOINTS		2 /* See DT.dbg_id.num_watchpoints */
+#define CCN_NUM_PMU_EVENT_COUNTERS	8 /* See DT.dbg_id.num_pmucntr */
+#define CCN_IDX_PMU_CYCLE_COUNTER	CCN_NUM_PMU_EVENT_COUNTERS
+
+#define CCN_NUM_PREDEFINED_MASKS	4
+#define CCN_IDX_MASK_ANY		(CCN_NUM_PMU_EVENT_COUNTERS + 0)
+#define CCN_IDX_MASK_EXACT		(CCN_NUM_PMU_EVENT_COUNTERS + 1)
+#define CCN_IDX_MASK_ORDER		(CCN_NUM_PMU_EVENT_COUNTERS + 2)
+#define CCN_IDX_MASK_OPCODE		(CCN_NUM_PMU_EVENT_COUNTERS + 3)
+
+struct arm_ccn_component {
+	void __iomem *base;
+	u32 type;
+
+	DECLARE_BITMAP(pmu_events_mask, CCN_NUM_PMU_EVENTS);
+	union {
+		struct {
+			DECLARE_BITMAP(dt_cmp_mask, CCN_NUM_XP_WATCHPOINTS);
+		} xp;
+	};
+};
+
+#define pmu_to_arm_ccn(_pmu) container_of(container_of(_pmu, \
+	struct arm_ccn_dt, pmu), struct arm_ccn, dt)
+
+struct arm_ccn_dt {
+	int id;
+	void __iomem *base;
+
+	spinlock_t config_lock;
+
+	DECLARE_BITMAP(pmu_counters_mask, CCN_NUM_PMU_EVENT_COUNTERS + 1);
+	struct {
+		struct arm_ccn_component *source;
+		struct perf_event *event;
+	} pmu_counters[CCN_NUM_PMU_EVENT_COUNTERS + 1];
+
+	struct {
+	       u64 l, h;
+	} cmp_mask[CCN_NUM_PMU_EVENT_COUNTERS + CCN_NUM_PREDEFINED_MASKS];
+
+	struct hrtimer hrtimer;
+
+	struct pmu pmu;
+};
+
+struct arm_ccn {
+	struct device *dev;
+	void __iomem *base;
+	unsigned irq_used:1;
+	unsigned sbas_present:1;
+	unsigned sbsx_present:1;
+
+	int num_nodes;
+	struct arm_ccn_component *node;
+
+	int num_xps;
+	struct arm_ccn_component *xp;
+
+	struct arm_ccn_dt dt;
+};
+
+
+static int arm_ccn_node_to_xp(int node)
+{
+	return node / CCN_NUM_XP_PORTS;
+}
+
+static int arm_ccn_node_to_xp_port(int node)
+{
+	return node % CCN_NUM_XP_PORTS;
+}
+
+
+/*
+ * Bit shifts and masks in these defines must be kept in sync with
+ * arm_ccn_pmu_config_set() and CCN_FORMAT_ATTRs below!
+ */
+#define CCN_CONFIG_NODE(_config)	(((_config) >> 0) & 0xff)
+#define CCN_CONFIG_XP(_config)		(((_config) >> 0) & 0xff)
+#define CCN_CONFIG_TYPE(_config)	(((_config) >> 8) & 0xff)
+#define CCN_CONFIG_EVENT(_config)	(((_config) >> 16) & 0xff)
+#define CCN_CONFIG_PORT(_config)	(((_config) >> 24) & 0x3)
+#define CCN_CONFIG_VC(_config)		(((_config) >> 26) & 0x7)
+#define CCN_CONFIG_DIR(_config)		(((_config) >> 29) & 0x1)
+#define CCN_CONFIG_MASK(_config)	(((_config) >> 30) & 0xf)
+
+static void arm_ccn_pmu_config_set(u64 *config, u32 node_xp, u32 type, u32 port)
+{
+	*config &= ~((0xff << 0) | (0xff << 8) | (0xff << 24));
+	*config |= (node_xp << 0) | (type << 8) | (port << 24);
+}
+
+static ssize_t arm_ccn_pmu_format_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct dev_ext_attribute *ea = container_of(attr,
+			struct dev_ext_attribute, attr);
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", (char *)ea->var);
+}
+
+#define CCN_FORMAT_ATTR(_name, _config) \
+	struct dev_ext_attribute arm_ccn_pmu_format_attr_##_name = \
+			{ __ATTR(_name, S_IRUGO, arm_ccn_pmu_format_show, \
+			NULL), _config }
+
+static CCN_FORMAT_ATTR(node, "config:0-7");
+static CCN_FORMAT_ATTR(xp, "config:0-7");
+static CCN_FORMAT_ATTR(type, "config:8-15");
+static CCN_FORMAT_ATTR(event, "config:16-23");
+static CCN_FORMAT_ATTR(port, "config:24-25");
+static CCN_FORMAT_ATTR(vc, "config:26-28");
+static CCN_FORMAT_ATTR(dir, "config:29-29");
+static CCN_FORMAT_ATTR(mask, "config:30-33");
+static CCN_FORMAT_ATTR(cmp_l, "config1:0-62");
+static CCN_FORMAT_ATTR(cmp_h, "config2:0-59");
+
+static struct attribute *arm_ccn_pmu_format_attrs[] = {
+	&arm_ccn_pmu_format_attr_node.attr.attr,
+	&arm_ccn_pmu_format_attr_xp.attr.attr,
+	&arm_ccn_pmu_format_attr_type.attr.attr,
+	&arm_ccn_pmu_format_attr_event.attr.attr,
+	&arm_ccn_pmu_format_attr_port.attr.attr,
+	&arm_ccn_pmu_format_attr_vc.attr.attr,
+	&arm_ccn_pmu_format_attr_dir.attr.attr,
+	&arm_ccn_pmu_format_attr_mask.attr.attr,
+	&arm_ccn_pmu_format_attr_cmp_l.attr.attr,
+	&arm_ccn_pmu_format_attr_cmp_h.attr.attr,
+	NULL
+};
+
+static struct attribute_group arm_ccn_pmu_format_attr_group = {
+	.name = "format",
+	.attrs = arm_ccn_pmu_format_attrs,
+};
+
+
+struct arm_ccn_pmu_event {
+	struct device_attribute attr;
+	u32 type;
+	u32 event;
+	int num_ports;
+	int num_vcs;
+	const char *def;
+	int mask;
+};
+
+#define CCN_EVENT_ATTR(_name) \
+	__ATTR(_name, S_IRUGO, arm_ccn_pmu_event_show, NULL)
+
+/*
+ * Events defined in TRM for MN, HN-I and SBSX are actually watchpoints set on
+ * their ports in XP they are connected to. For the sake of usability they are
+ * explicitly defined here (and translated into a relevant watchpoint in
+ * arm_ccn_pmu_event_init()) so the user can easily request them without deep
+ * knowledge of the flit format.
+ */
+
+#define CCN_EVENT_MN(_name, _def, _mask) { .attr = CCN_EVENT_ATTR(mn_##_name), \
+		.type = CCN_TYPE_MN, .event = CCN_EVENT_WATCHPOINT, \
+		.num_ports = CCN_NUM_XP_PORTS, .num_vcs = CCN_NUM_VCS, \
+		.def = _def, .mask = _mask, }
+
+#define CCN_EVENT_HNI(_name, _def, _mask) { \
+		.attr = CCN_EVENT_ATTR(hni_##_name), .type = CCN_TYPE_HNI, \
+		.event = CCN_EVENT_WATCHPOINT, .num_ports = CCN_NUM_XP_PORTS, \
+		.num_vcs = CCN_NUM_VCS, .def = _def, .mask = _mask, }
+
+#define CCN_EVENT_SBSX(_name, _def, _mask) { \
+		.attr = CCN_EVENT_ATTR(sbsx_##_name), .type = CCN_TYPE_SBSX, \
+		.event = CCN_EVENT_WATCHPOINT, .num_ports = CCN_NUM_XP_PORTS, \
+		.num_vcs = CCN_NUM_VCS, .def = _def, .mask = _mask, }
+
+#define CCN_EVENT_HNF(_name, _event) { .attr = CCN_EVENT_ATTR(hnf_##_name), \
+		.type = CCN_TYPE_HNF, .event = _event, }
+
+#define CCN_EVENT_XP(_name, _event) { .attr = CCN_EVENT_ATTR(xp_##_name), \
+		.type = CCN_TYPE_XP, .event = _event, \
+		.num_ports = CCN_NUM_XP_PORTS, .num_vcs = CCN_NUM_VCS, }
+
+/*
+ * RN-I & RN-D (RN-D = RN-I + DVM) nodes have different type ID depending
+ * on configuration. One of them is picked to represent the whole group,
+ * as they all share the same event types.
+ */
+#define CCN_EVENT_RNI(_name, _event) { .attr = CCN_EVENT_ATTR(rni_##_name), \
+		.type = CCN_TYPE_RNI_3P, .event = _event, }
+
+#define CCN_EVENT_SBAS(_name, _event) { .attr = CCN_EVENT_ATTR(sbas_##_name), \
+		.type = CCN_TYPE_SBAS, .event = _event, }
+
+#define CCN_EVENT_CYCLES(_name) { .attr = CCN_EVENT_ATTR(_name), \
+		.type = CCN_TYPE_CYCLES }
+
+
+static ssize_t arm_ccn_pmu_event_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct arm_ccn_pmu_event *event = container_of(attr,
+			struct arm_ccn_pmu_event, attr);
+	ssize_t res;
+
+	res = snprintf(buf, PAGE_SIZE, "type=0x%x", event->type);
+	if (event->event)
+		res += snprintf(buf + res, PAGE_SIZE - res, ",event=0x%x",
+				event->event);
+	if (event->def)
+		res += snprintf(buf + res, PAGE_SIZE - res, ",%s",
+				event->def);
+	if (event->mask)
+		res += snprintf(buf + res, PAGE_SIZE - res, ",mask=0x%x",
+				event->mask);
+	res += snprintf(buf + res, PAGE_SIZE - res, "\n");
+
+	return res;
+}
+
+static umode_t arm_ccn_pmu_events_is_visible(struct kobject *kobj,
+				     struct attribute *attr, int index)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev));
+	struct device_attribute *dev_attr = container_of(attr,
+			struct device_attribute, attr);
+	struct arm_ccn_pmu_event *event = container_of(dev_attr,
+			struct arm_ccn_pmu_event, attr);
+
+	if (event->type == CCN_TYPE_SBAS && !ccn->sbas_present)
+		return 0;
+	if (event->type == CCN_TYPE_SBSX && !ccn->sbsx_present)
+		return 0;
+
+	return attr->mode;
+}
+
+static struct arm_ccn_pmu_event arm_ccn_pmu_events[] = {
+	CCN_EVENT_MN(eobarrier, "dir=0,vc=0,cmp_h=0x1c00", CCN_IDX_MASK_OPCODE),
+	CCN_EVENT_MN(ecbarrier, "dir=0,vc=0,cmp_h=0x1e00", CCN_IDX_MASK_OPCODE),
+	CCN_EVENT_MN(dvmop, "dir=0,vc=0,cmp_h=0x2800", CCN_IDX_MASK_OPCODE),
+	CCN_EVENT_HNI(txdatflits, "dir=1,vc=3", CCN_IDX_MASK_ANY),
+	CCN_EVENT_HNI(rxdatflits, "dir=0,vc=3", CCN_IDX_MASK_ANY),
+	CCN_EVENT_HNI(txreqflits, "dir=1,vc=0", CCN_IDX_MASK_ANY),
+	CCN_EVENT_HNI(rxreqflits, "dir=0,vc=0", CCN_IDX_MASK_ANY),
+	CCN_EVENT_HNI(rxreqflits_order, "dir=0,vc=0,cmp_h=0x8000",
+			CCN_IDX_MASK_ORDER),
+	CCN_EVENT_SBSX(txdatflits, "dir=1,vc=3", CCN_IDX_MASK_ANY),
+	CCN_EVENT_SBSX(rxdatflits, "dir=0,vc=3", CCN_IDX_MASK_ANY),
+	CCN_EVENT_SBSX(txreqflits, "dir=1,vc=0", CCN_IDX_MASK_ANY),
+	CCN_EVENT_SBSX(rxreqflits, "dir=0,vc=0", CCN_IDX_MASK_ANY),
+	CCN_EVENT_SBSX(rxreqflits_order, "dir=0,vc=0,cmp_h=0x8000",
+			CCN_IDX_MASK_ORDER),
+	CCN_EVENT_HNF(cache_miss, 0x1),
+	CCN_EVENT_HNF(l3_sf_cache_access, 0x02),
+	CCN_EVENT_HNF(cache_fill, 0x3),
+	CCN_EVENT_HNF(pocq_retry, 0x4),
+	CCN_EVENT_HNF(pocq_reqs_recvd, 0x5),
+	CCN_EVENT_HNF(sf_hit, 0x6),
+	CCN_EVENT_HNF(sf_evictions, 0x7),
+	CCN_EVENT_HNF(snoops_sent, 0x8),
+	CCN_EVENT_HNF(snoops_broadcast, 0x9),
+	CCN_EVENT_HNF(l3_eviction, 0xa),
+	CCN_EVENT_HNF(l3_fill_invalid_way, 0xb),
+	CCN_EVENT_HNF(mc_retries, 0xc),
+	CCN_EVENT_HNF(mc_reqs, 0xd),
+	CCN_EVENT_HNF(qos_hh_retry, 0xe),
+	CCN_EVENT_RNI(rdata_beats_p0, 0x1),
+	CCN_EVENT_RNI(rdata_beats_p1, 0x2),
+	CCN_EVENT_RNI(rdata_beats_p2, 0x3),
+	CCN_EVENT_RNI(rxdat_flits, 0x4),
+	CCN_EVENT_RNI(txdat_flits, 0x5),
+	CCN_EVENT_RNI(txreq_flits, 0x6),
+	CCN_EVENT_RNI(txreq_flits_retried, 0x7),
+	CCN_EVENT_RNI(rrt_full, 0x8),
+	CCN_EVENT_RNI(wrt_full, 0x9),
+	CCN_EVENT_RNI(txreq_flits_replayed, 0xa),
+	CCN_EVENT_XP(upload_starvation, 0x1),
+	CCN_EVENT_XP(download_starvation, 0x2),
+	CCN_EVENT_XP(respin, 0x3),
+	CCN_EVENT_XP(valid_flit, 0x4),
+	CCN_EVENT_XP(watchpoint, CCN_EVENT_WATCHPOINT),
+	CCN_EVENT_SBAS(rdata_beats_p0, 0x1),
+	CCN_EVENT_SBAS(rxdat_flits, 0x4),
+	CCN_EVENT_SBAS(txdat_flits, 0x5),
+	CCN_EVENT_SBAS(txreq_flits, 0x6),
+	CCN_EVENT_SBAS(txreq_flits_retried, 0x7),
+	CCN_EVENT_SBAS(rrt_full, 0x8),
+	CCN_EVENT_SBAS(wrt_full, 0x9),
+	CCN_EVENT_SBAS(txreq_flits_replayed, 0xa),
+	CCN_EVENT_CYCLES(cycles),
+};
+
+/* Populated in arm_ccn_init() */
+static struct attribute
+		*arm_ccn_pmu_events_attrs[ARRAY_SIZE(arm_ccn_pmu_events) + 1];
+
+static struct attribute_group arm_ccn_pmu_events_attr_group = {
+	.name = "events",
+	.is_visible = arm_ccn_pmu_events_is_visible,
+	.attrs = arm_ccn_pmu_events_attrs,
+};
+
+
+static u64 *arm_ccn_pmu_get_cmp_mask(struct arm_ccn *ccn, const char *name)
+{
+	unsigned long i;
+
+	if (WARN_ON(!name || !name[0] || !isxdigit(name[0]) || !name[1]))
+		return NULL;
+	i = isdigit(name[0]) ? name[0] - '0' : 0xa + tolower(name[0]) - 'a';
+
+	switch (name[1]) {
+	case 'l':
+		return &ccn->dt.cmp_mask[i].l;
+	case 'h':
+		return &ccn->dt.cmp_mask[i].h;
+	default:
+		return NULL;
+	}
+}
+
+static ssize_t arm_ccn_pmu_cmp_mask_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev));
+	u64 *mask = arm_ccn_pmu_get_cmp_mask(ccn, attr->attr.name);
+
+	return mask ? snprintf(buf, PAGE_SIZE, "0x%016llx\n", *mask) : -EINVAL;
+}
+
+static ssize_t arm_ccn_pmu_cmp_mask_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev));
+	u64 *mask = arm_ccn_pmu_get_cmp_mask(ccn, attr->attr.name);
+	int err = -EINVAL;
+
+	if (mask)
+		err = kstrtoull(buf, 0, mask);
+
+	return err ? err : count;
+}
+
+#define CCN_CMP_MASK_ATTR(_name) \
+	struct device_attribute arm_ccn_pmu_cmp_mask_attr_##_name = \
+			__ATTR(_name, S_IRUGO | S_IWUSR, \
+			arm_ccn_pmu_cmp_mask_show, arm_ccn_pmu_cmp_mask_store)
+
+#define CCN_CMP_MASK_ATTR_RO(_name) \
+	struct device_attribute arm_ccn_pmu_cmp_mask_attr_##_name = \
+			__ATTR(_name, S_IRUGO, arm_ccn_pmu_cmp_mask_show, NULL)
+
+static CCN_CMP_MASK_ATTR(0l);
+static CCN_CMP_MASK_ATTR(0h);
+static CCN_CMP_MASK_ATTR(1l);
+static CCN_CMP_MASK_ATTR(1h);
+static CCN_CMP_MASK_ATTR(2l);
+static CCN_CMP_MASK_ATTR(2h);
+static CCN_CMP_MASK_ATTR(3l);
+static CCN_CMP_MASK_ATTR(3h);
+static CCN_CMP_MASK_ATTR(4l);
+static CCN_CMP_MASK_ATTR(4h);
+static CCN_CMP_MASK_ATTR(5l);
+static CCN_CMP_MASK_ATTR(5h);
+static CCN_CMP_MASK_ATTR(6l);
+static CCN_CMP_MASK_ATTR(6h);
+static CCN_CMP_MASK_ATTR(7l);
+static CCN_CMP_MASK_ATTR(7h);
+static CCN_CMP_MASK_ATTR_RO(8l);
+static CCN_CMP_MASK_ATTR_RO(8h);
+static CCN_CMP_MASK_ATTR_RO(9l);
+static CCN_CMP_MASK_ATTR_RO(9h);
+static CCN_CMP_MASK_ATTR_RO(al);
+static CCN_CMP_MASK_ATTR_RO(ah);
+static CCN_CMP_MASK_ATTR_RO(bl);
+static CCN_CMP_MASK_ATTR_RO(bh);
+
+static struct attribute *arm_ccn_pmu_cmp_mask_attrs[] = {
+	&arm_ccn_pmu_cmp_mask_attr_0l.attr, &arm_ccn_pmu_cmp_mask_attr_0h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_1l.attr, &arm_ccn_pmu_cmp_mask_attr_1h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_2l.attr, &arm_ccn_pmu_cmp_mask_attr_2h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_3l.attr, &arm_ccn_pmu_cmp_mask_attr_3h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_4l.attr, &arm_ccn_pmu_cmp_mask_attr_4h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_5l.attr, &arm_ccn_pmu_cmp_mask_attr_5h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_6l.attr, &arm_ccn_pmu_cmp_mask_attr_6h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_7l.attr, &arm_ccn_pmu_cmp_mask_attr_7h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_8l.attr, &arm_ccn_pmu_cmp_mask_attr_8h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_9l.attr, &arm_ccn_pmu_cmp_mask_attr_9h.attr,
+	&arm_ccn_pmu_cmp_mask_attr_al.attr, &arm_ccn_pmu_cmp_mask_attr_ah.attr,
+	&arm_ccn_pmu_cmp_mask_attr_bl.attr, &arm_ccn_pmu_cmp_mask_attr_bh.attr,
+	NULL
+};
+
+static struct attribute_group arm_ccn_pmu_cmp_mask_attr_group = {
+	.name = "cmp_mask",
+	.attrs = arm_ccn_pmu_cmp_mask_attrs,
+};
+
+
+/*
+ * Default poll period is 10ms, which is way over the top anyway,
+ * as in the worst case scenario (an event every cycle), with 1GHz
+ * clocked bus, the smallest, 32 bit counter will overflow in
+ * more than 4s.
+ */
+static unsigned int arm_ccn_pmu_poll_period_us = 10000;
+module_param_named(pmu_poll_period_us, arm_ccn_pmu_poll_period_us, uint,
+		S_IRUGO | S_IWUSR);
+
+static ktime_t arm_ccn_pmu_timer_period(void)
+{
+	return ns_to_ktime((u64)arm_ccn_pmu_poll_period_us * 1000);
+}
+
+
+static const struct attribute_group *arm_ccn_pmu_attr_groups[] = {
+	&arm_ccn_pmu_events_attr_group,
+	&arm_ccn_pmu_format_attr_group,
+	&arm_ccn_pmu_cmp_mask_attr_group,
+	NULL
+};
+
+
+static int arm_ccn_pmu_alloc_bit(unsigned long *bitmap, unsigned long size)
+{
+	int bit;
+
+	do {
+		bit = find_first_zero_bit(bitmap, size);
+		if (bit >= size)
+			return -EAGAIN;
+	} while (test_and_set_bit(bit, bitmap));
+
+	return bit;
+}
+
+/* All RN-I and RN-D nodes have identical PMUs */
+static int arm_ccn_pmu_type_eq(u32 a, u32 b)
+{
+	if (a == b)
+		return 1;
+
+	switch (a) {
+	case CCN_TYPE_RNI_1P:
+	case CCN_TYPE_RNI_2P:
+	case CCN_TYPE_RNI_3P:
+	case CCN_TYPE_RND_1P:
+	case CCN_TYPE_RND_2P:
+	case CCN_TYPE_RND_3P:
+		switch (b) {
+		case CCN_TYPE_RNI_1P:
+		case CCN_TYPE_RNI_2P:
+		case CCN_TYPE_RNI_3P:
+		case CCN_TYPE_RND_1P:
+		case CCN_TYPE_RND_2P:
+		case CCN_TYPE_RND_3P:
+			return 1;
+		}
+		break;
+	}
+
+	return 0;
+}
+
+static int arm_ccn_pmu_event_init(struct perf_event *event)
+{
+	struct arm_ccn *ccn;
+	struct hw_perf_event *hw = &event->hw;
+	u32 node_xp, type, event_id;
+	int valid, bit;
+	struct arm_ccn_component *source;
+	int i;
+
+	if (event->attr.type != event->pmu->type)
+		return -ENOENT;
+
+	ccn = pmu_to_arm_ccn(event->pmu);
+
+	if (hw->sample_period) {
+		dev_warn(ccn->dev, "Sampling not supported!\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (has_branch_stack(event) || event->attr.exclude_user ||
+			event->attr.exclude_kernel || event->attr.exclude_hv ||
+			event->attr.exclude_idle) {
+		dev_warn(ccn->dev, "Can't exclude execution levels!\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (event->cpu < 0) {
+		dev_warn(ccn->dev, "Can't provide per-task data!\n");
+		return -EOPNOTSUPP;
+	}
+
+	node_xp = CCN_CONFIG_NODE(event->attr.config);
+	type = CCN_CONFIG_TYPE(event->attr.config);
+	event_id = CCN_CONFIG_EVENT(event->attr.config);
+
+	/* Validate node/xp vs topology */
+	switch (type) {
+	case CCN_TYPE_XP:
+		if (node_xp >= ccn->num_xps) {
+			dev_warn(ccn->dev, "Invalid XP ID %d!\n", node_xp);
+			return -EINVAL;
+		}
+		break;
+	case CCN_TYPE_CYCLES:
+		break;
+	default:
+		if (node_xp >= ccn->num_nodes) {
+			dev_warn(ccn->dev, "Invalid node ID %d!\n", node_xp);
+			return -EINVAL;
+		}
+		if (!arm_ccn_pmu_type_eq(type, ccn->node[node_xp].type)) {
+			dev_warn(ccn->dev, "Invalid type 0x%x for node %d!\n",
+					type, node_xp);
+			return -EINVAL;
+		}
+		break;
+	}
+
+	/* Validate event ID vs available for the type */
+	for (i = 0, valid = 0; i < ARRAY_SIZE(arm_ccn_pmu_events) && !valid;
+			i++) {
+		struct arm_ccn_pmu_event *e = &arm_ccn_pmu_events[i];
+		u32 port = CCN_CONFIG_PORT(event->attr.config);
+		u32 vc = CCN_CONFIG_VC(event->attr.config);
+
+		if (!arm_ccn_pmu_type_eq(type, e->type))
+			continue;
+		if (event_id != e->event)
+			continue;
+		if (e->num_ports && port >= e->num_ports) {
+			dev_warn(ccn->dev, "Invalid port %d for node/XP %d!\n",
+					port, node_xp);
+			return -EINVAL;
+		}
+		if (e->num_vcs && vc >= e->num_vcs) {
+			dev_warn(ccn->dev, "Invalid vc %d for node/XP %d!\n",
+					port, node_xp);
+			return -EINVAL;
+		}
+		valid = 1;
+	}
+	if (!valid) {
+		dev_warn(ccn->dev, "Invalid event 0x%x for node/XP %d!\n",
+				event_id, node_xp);
+		return -EINVAL;
+	}
+
+	/* Watchpoint-based event for a node is actually set on XP */
+	if (event_id == CCN_EVENT_WATCHPOINT && type != CCN_TYPE_XP) {
+		u32 port;
+
+		type = CCN_TYPE_XP;
+		port = arm_ccn_node_to_xp_port(node_xp);
+		node_xp = arm_ccn_node_to_xp(node_xp);
+
+		arm_ccn_pmu_config_set(&event->attr.config,
+				node_xp, type, port);
+	}
+
+	/* Allocate the cycle counter */
+	if (type == CCN_TYPE_CYCLES) {
+		if (test_and_set_bit(CCN_IDX_PMU_CYCLE_COUNTER,
+				ccn->dt.pmu_counters_mask))
+			return -EAGAIN;
+
+		hw->idx = CCN_IDX_PMU_CYCLE_COUNTER;
+		ccn->dt.pmu_counters[CCN_IDX_PMU_CYCLE_COUNTER].event = event;
+
+		return 0;
+	}
+
+	/* Allocate an event counter */
+	hw->idx = arm_ccn_pmu_alloc_bit(ccn->dt.pmu_counters_mask,
+			CCN_NUM_PMU_EVENT_COUNTERS);
+	if (hw->idx < 0) {
+		dev_warn(ccn->dev, "No more counters available!\n");
+		return -EAGAIN;
+	}
+
+	if (type == CCN_TYPE_XP)
+		source = &ccn->xp[node_xp];
+	else
+		source = &ccn->node[node_xp];
+	ccn->dt.pmu_counters[hw->idx].source = source;
+
+	/* Allocate an event source or a watchpoint */
+	if (type == CCN_TYPE_XP && event_id == CCN_EVENT_WATCHPOINT)
+		bit = arm_ccn_pmu_alloc_bit(source->xp.dt_cmp_mask,
+				CCN_NUM_XP_WATCHPOINTS);
+	else
+		bit = arm_ccn_pmu_alloc_bit(source->pmu_events_mask,
+				CCN_NUM_PMU_EVENTS);
+	if (bit < 0) {
+		dev_warn(ccn->dev, "No more event sources/watchpoints on node/XP %d!\n",
+				node_xp);
+		clear_bit(hw->idx, ccn->dt.pmu_counters_mask);
+		return -EAGAIN;
+	}
+	hw->config_base = bit;
+
+	ccn->dt.pmu_counters[hw->idx].event = event;
+
+	return 0;
+}
+
+static void arm_ccn_pmu_event_free(struct perf_event *event)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+
+	if (hw->idx == CCN_IDX_PMU_CYCLE_COUNTER) {
+		clear_bit(CCN_IDX_PMU_CYCLE_COUNTER, ccn->dt.pmu_counters_mask);
+	} else {
+		struct arm_ccn_component *source =
+				ccn->dt.pmu_counters[hw->idx].source;
+
+		if (CCN_CONFIG_TYPE(event->attr.config) == CCN_TYPE_XP &&
+				CCN_CONFIG_EVENT(event->attr.config) ==
+				CCN_EVENT_WATCHPOINT)
+			clear_bit(hw->config_base, source->xp.dt_cmp_mask);
+		else
+			clear_bit(hw->config_base, source->pmu_events_mask);
+		clear_bit(hw->idx, ccn->dt.pmu_counters_mask);
+	}
+
+	ccn->dt.pmu_counters[hw->idx].source = NULL;
+	ccn->dt.pmu_counters[hw->idx].event = NULL;
+}
+
+static u64 arm_ccn_pmu_read_counter(struct arm_ccn *ccn, int idx)
+{
+	u64 res;
+
+	if (idx == CCN_IDX_PMU_CYCLE_COUNTER) {
+#ifdef readq
+		res = readq(ccn->dt.base + CCN_DT_PMCCNTR);
+#else
+		/* 40 bit counter, can do snapshot and read in two parts */
+		writel(0x1, ccn->dt.base + CCN_DT_PMSR_REQ);
+		while (!(readl(ccn->dt.base + CCN_DT_PMSR) & 0x1))
+			;
+		writel(0x1, ccn->dt.base + CCN_DT_PMSR_CLR);
+		res = readl(ccn->dt.base + CCN_DT_PMCCNTRSR + 4) & 0xff;
+		res <<= 32;
+		res |= readl(ccn->dt.base + CCN_DT_PMCCNTRSR);
+#endif
+	} else {
+		res = readl(ccn->dt.base + CCN_DT_PMEVCNT(idx));
+	}
+
+	return res;
+}
+
+static void arm_ccn_pmu_event_update(struct perf_event *event)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+	u64 prev_count, new_count, mask;
+
+	do {
+		prev_count = local64_read(&hw->prev_count);
+		new_count = arm_ccn_pmu_read_counter(ccn, hw->idx);
+	} while (local64_xchg(&hw->prev_count, new_count) != prev_count);
+
+	mask = (1LLU << (hw->idx == CCN_IDX_PMU_CYCLE_COUNTER ? 40 : 32)) - 1;
+
+	local64_add((new_count - prev_count) & mask, &event->count);
+}
+
+static void arm_ccn_pmu_xp_dt_config(struct perf_event *event, int enable)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+	struct arm_ccn_component *xp;
+	u32 val, dt_cfg;
+
+	if (CCN_CONFIG_TYPE(event->attr.config) == CCN_TYPE_XP)
+		xp = &ccn->xp[CCN_CONFIG_XP(event->attr.config)];
+	else
+		xp = &ccn->xp[arm_ccn_node_to_xp(
+				CCN_CONFIG_NODE(event->attr.config))];
+
+	if (enable)
+		dt_cfg = hw->event_base;
+	else
+		dt_cfg = CCN_XP_DT_CONFIG__DT_CFG__PASS_THROUGH;
+
+	spin_lock(&ccn->dt.config_lock);
+
+	val = readl(xp->base + CCN_XP_DT_CONFIG);
+	val &= ~(CCN_XP_DT_CONFIG__DT_CFG__MASK <<
+			CCN_XP_DT_CONFIG__DT_CFG__SHIFT(hw->idx));
+	val |= dt_cfg << CCN_XP_DT_CONFIG__DT_CFG__SHIFT(hw->idx);
+	writel(val, xp->base + CCN_XP_DT_CONFIG);
+
+	spin_unlock(&ccn->dt.config_lock);
+}
+
+static void arm_ccn_pmu_event_start(struct perf_event *event, int flags)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+
+	local64_set(&event->hw.prev_count,
+			arm_ccn_pmu_read_counter(ccn, hw->idx));
+	hw->state = 0;
+
+	if (!ccn->irq_used)
+		hrtimer_start(&ccn->dt.hrtimer, arm_ccn_pmu_timer_period(),
+				HRTIMER_MODE_REL);
+
+	/* Set the DT bus input, engaging the counter */
+	arm_ccn_pmu_xp_dt_config(event, 1);
+}
+
+static void arm_ccn_pmu_event_stop(struct perf_event *event, int flags)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+	u64 timeout;
+
+	/* Disable counting, setting the DT bus to pass-through mode */
+	arm_ccn_pmu_xp_dt_config(event, 0);
+
+	if (!ccn->irq_used)
+		hrtimer_cancel(&ccn->dt.hrtimer);
+
+	/* Let the DT bus drain */
+	timeout = arm_ccn_pmu_read_counter(ccn, CCN_IDX_PMU_CYCLE_COUNTER) +
+			ccn->num_xps;
+	while (arm_ccn_pmu_read_counter(ccn, CCN_IDX_PMU_CYCLE_COUNTER) <
+			timeout)
+		cpu_relax();
+
+	if (flags & PERF_EF_UPDATE)
+		arm_ccn_pmu_event_update(event);
+
+	hw->state |= PERF_HES_STOPPED;
+}
+
+static void arm_ccn_pmu_xp_watchpoint_config(struct perf_event *event)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+	struct arm_ccn_component *source =
+			ccn->dt.pmu_counters[hw->idx].source;
+	unsigned long wp = hw->config_base;
+	u32 val;
+	u64 cmp_l = event->attr.config1;
+	u64 cmp_h = event->attr.config2;
+	u64 mask_l = ccn->dt.cmp_mask[CCN_CONFIG_MASK(event->attr.config)].l;
+	u64 mask_h = ccn->dt.cmp_mask[CCN_CONFIG_MASK(event->attr.config)].h;
+
+	hw->event_base = CCN_XP_DT_CONFIG__DT_CFG__WATCHPOINT(wp);
+
+	/* Direction (RX/TX), device (port) & virtual channel */
+	val = readl(source->base + CCN_XP_DT_INTERFACE_SEL);
+	val &= ~(CCN_XP_DT_INTERFACE_SEL__DT_IO_SEL__MASK <<
+			CCN_XP_DT_INTERFACE_SEL__DT_IO_SEL__SHIFT(wp));
+	val |= CCN_CONFIG_DIR(event->attr.config) <<
+			CCN_XP_DT_INTERFACE_SEL__DT_IO_SEL__SHIFT(wp);
+	val &= ~(CCN_XP_DT_INTERFACE_SEL__DT_DEV_SEL__MASK <<
+			CCN_XP_DT_INTERFACE_SEL__DT_DEV_SEL__SHIFT(wp));
+	val |= CCN_CONFIG_PORT(event->attr.config) <<
+			CCN_XP_DT_INTERFACE_SEL__DT_DEV_SEL__SHIFT(wp);
+	val &= ~(CCN_XP_DT_INTERFACE_SEL__DT_VC_SEL__MASK <<
+			CCN_XP_DT_INTERFACE_SEL__DT_VC_SEL__SHIFT(wp));
+	val |= CCN_CONFIG_VC(event->attr.config) <<
+			CCN_XP_DT_INTERFACE_SEL__DT_VC_SEL__SHIFT(wp);
+	writel(val, source->base + CCN_XP_DT_INTERFACE_SEL);
+
+	/* Comparison values */
+	writel(cmp_l & 0xffffffff, source->base + CCN_XP_DT_CMP_VAL_L(wp));
+	writel((cmp_l >> 32) & 0xefffffff,
+			source->base + CCN_XP_DT_CMP_VAL_L(wp) + 4);
+	writel(cmp_h & 0xffffffff, source->base + CCN_XP_DT_CMP_VAL_H(wp));
+	writel((cmp_h >> 32) & 0x0fffffff,
+			source->base + CCN_XP_DT_CMP_VAL_H(wp) + 4);
+
+	/* Mask */
+	writel(mask_l & 0xffffffff, source->base + CCN_XP_DT_CMP_MASK_L(wp));
+	writel((mask_l >> 32) & 0xefffffff,
+			source->base + CCN_XP_DT_CMP_MASK_L(wp) + 4);
+	writel(mask_h & 0xffffffff, source->base + CCN_XP_DT_CMP_MASK_H(wp));
+	writel((mask_h >> 32) & 0x0fffffff,
+			source->base + CCN_XP_DT_CMP_MASK_H(wp) + 4);
+}
+
+static void arm_ccn_pmu_xp_event_config(struct perf_event *event)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+	struct arm_ccn_component *source =
+			ccn->dt.pmu_counters[hw->idx].source;
+	u32 val, id;
+
+	hw->event_base = CCN_XP_DT_CONFIG__DT_CFG__XP_PMU_EVENT(hw->config_base);
+
+	id = (CCN_CONFIG_VC(event->attr.config) << 4) |
+			(CCN_CONFIG_PORT(event->attr.config) << 3) |
+			(CCN_CONFIG_EVENT(event->attr.config) << 0);
+
+	val = readl(source->base + CCN_XP_PMU_EVENT_SEL);
+	val &= ~(CCN_XP_PMU_EVENT_SEL__ID__MASK <<
+			CCN_XP_PMU_EVENT_SEL__ID__SHIFT(hw->config_base));
+	val |= id << CCN_XP_PMU_EVENT_SEL__ID__SHIFT(hw->config_base);
+	writel(val, source->base + CCN_XP_PMU_EVENT_SEL);
+}
+
+static void arm_ccn_pmu_node_event_config(struct perf_event *event)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+	struct arm_ccn_component *source =
+			ccn->dt.pmu_counters[hw->idx].source;
+	u32 type = CCN_CONFIG_TYPE(event->attr.config);
+	u32 val, port;
+
+	port = arm_ccn_node_to_xp_port(CCN_CONFIG_NODE(event->attr.config));
+	hw->event_base = CCN_XP_DT_CONFIG__DT_CFG__DEVICE_PMU_EVENT(port,
+			hw->config_base);
+
+	/* These *_event_sel regs should be identical, but let's make sure... */
+	BUILD_BUG_ON(CCN_HNF_PMU_EVENT_SEL != CCN_SBAS_PMU_EVENT_SEL);
+	BUILD_BUG_ON(CCN_SBAS_PMU_EVENT_SEL != CCN_RNI_PMU_EVENT_SEL);
+	BUILD_BUG_ON(CCN_HNF_PMU_EVENT_SEL__ID__SHIFT(1) !=
+			CCN_SBAS_PMU_EVENT_SEL__ID__SHIFT(1));
+	BUILD_BUG_ON(CCN_SBAS_PMU_EVENT_SEL__ID__SHIFT(1) !=
+			CCN_RNI_PMU_EVENT_SEL__ID__SHIFT(1));
+	BUILD_BUG_ON(CCN_HNF_PMU_EVENT_SEL__ID__MASK !=
+			CCN_SBAS_PMU_EVENT_SEL__ID__MASK);
+	BUILD_BUG_ON(CCN_SBAS_PMU_EVENT_SEL__ID__MASK !=
+			CCN_RNI_PMU_EVENT_SEL__ID__MASK);
+	if (WARN_ON(type != CCN_TYPE_HNF && type != CCN_TYPE_SBAS &&
+			!arm_ccn_pmu_type_eq(type, CCN_TYPE_RNI_3P)))
+		return;
+
+	/* Set the event id for the pre-allocated counter */
+	val = readl(source->base + CCN_HNF_PMU_EVENT_SEL);
+	val &= ~(CCN_HNF_PMU_EVENT_SEL__ID__MASK <<
+		CCN_HNF_PMU_EVENT_SEL__ID__SHIFT(hw->config_base));
+	val |= CCN_CONFIG_EVENT(event->attr.config) <<
+		CCN_HNF_PMU_EVENT_SEL__ID__SHIFT(hw->config_base);
+	writel(val, source->base + CCN_HNF_PMU_EVENT_SEL);
+}
+
+static void arm_ccn_pmu_event_config(struct perf_event *event)
+{
+	struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu);
+	struct hw_perf_event *hw = &event->hw;
+	u32 xp, offset, val;
+
+	/* Cycle counter requires no setup */
+	if (hw->idx == CCN_IDX_PMU_CYCLE_COUNTER)
+		return;
+
+	if (CCN_CONFIG_TYPE(event->attr.config) == CCN_TYPE_XP)
+		xp = CCN_CONFIG_XP(event->attr.config);
+	else
+		xp = arm_ccn_node_to_xp(CCN_CONFIG_NODE(event->attr.config));
+
+	spin_lock(&ccn->dt.config_lock);
+
+	/* Set the DT bus "distance" register */
+	offset = (hw->idx / 4) * 4;
+	val = readl(ccn->dt.base + CCN_DT_ACTIVE_DSM + offset);
+	val &= ~(CCN_DT_ACTIVE_DSM__DSM_ID__MASK <<
+			CCN_DT_ACTIVE_DSM__DSM_ID__SHIFT(hw->idx % 4));
+	val |= xp << CCN_DT_ACTIVE_DSM__DSM_ID__SHIFT(hw->idx % 4);
+	writel(val, ccn->dt.base + CCN_DT_ACTIVE_DSM + offset);
+
+	if (CCN_CONFIG_TYPE(event->attr.config) == CCN_TYPE_XP) {
+		if (CCN_CONFIG_EVENT(event->attr.config) ==
+				CCN_EVENT_WATCHPOINT)
+			arm_ccn_pmu_xp_watchpoint_config(event);
+		else
+			arm_ccn_pmu_xp_event_config(event);
+	} else {
+		arm_ccn_pmu_node_event_config(event);
+	}
+
+	spin_unlock(&ccn->dt.config_lock);
+}
+
+static int arm_ccn_pmu_event_add(struct perf_event *event, int flags)
+{
+	struct hw_perf_event *hw = &event->hw;
+
+	arm_ccn_pmu_event_config(event);
+
+	hw->state = PERF_HES_STOPPED;
+
+	if (flags & PERF_EF_START)
+		arm_ccn_pmu_event_start(event, PERF_EF_UPDATE);
+
+	return 0;
+}
+
+static void arm_ccn_pmu_event_del(struct perf_event *event, int flags)
+{
+	arm_ccn_pmu_event_stop(event, PERF_EF_UPDATE);
+
+	arm_ccn_pmu_event_free(event);
+}
+
+static void arm_ccn_pmu_event_read(struct perf_event *event)
+{
+	arm_ccn_pmu_event_update(event);
+}
+
+static irqreturn_t arm_ccn_pmu_overflow_handler(struct arm_ccn_dt *dt)
+{
+	u32 pmovsr = readl(dt->base + CCN_DT_PMOVSR);
+	int idx;
+
+	if (!pmovsr)
+		return IRQ_NONE;
+
+	writel(pmovsr, dt->base + CCN_DT_PMOVSR_CLR);
+
+	BUILD_BUG_ON(CCN_IDX_PMU_CYCLE_COUNTER != CCN_NUM_PMU_EVENT_COUNTERS);
+
+	for (idx = 0; idx < CCN_NUM_PMU_EVENT_COUNTERS + 1; idx++) {
+		struct perf_event *event = dt->pmu_counters[idx].event;
+		int overflowed = pmovsr & BIT(idx);
+
+		WARN_ON_ONCE(overflowed && !event);
+
+		if (!event || !overflowed)
+			continue;
+
+		arm_ccn_pmu_event_update(event);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static enum hrtimer_restart arm_ccn_pmu_timer_handler(struct hrtimer *hrtimer)
+{
+	struct arm_ccn_dt *dt = container_of(hrtimer, struct arm_ccn_dt,
+			hrtimer);
+	unsigned long flags;
+
+	local_irq_save(flags);
+	arm_ccn_pmu_overflow_handler(dt);
+	local_irq_restore(flags);
+
+	hrtimer_forward_now(hrtimer, arm_ccn_pmu_timer_period());
+	return HRTIMER_RESTART;
+}
+
+
+static DEFINE_IDA(arm_ccn_pmu_ida);
+
+static int arm_ccn_pmu_init(struct arm_ccn *ccn)
+{
+	int i;
+	char *name;
+
+	/* Initialize DT subsystem */
+	ccn->dt.base = ccn->base + CCN_REGION_SIZE;
+	spin_lock_init(&ccn->dt.config_lock);
+	writel(CCN_DT_CTL__DT_EN, ccn->dt.base + CCN_DT_CTL);
+	writel(CCN_DT_PMCR__OVFL_INTR_EN | CCN_DT_PMCR__PMU_EN,
+			ccn->dt.base + CCN_DT_PMCR);
+	writel(0x1, ccn->dt.base + CCN_DT_PMSR_CLR);
+	for (i = 0; i < ccn->num_xps; i++) {
+		writel(0, ccn->xp[i].base + CCN_XP_DT_CONFIG);
+		writel((CCN_XP_DT_CONTROL__WP_ARM_SEL__ALWAYS <<
+				CCN_XP_DT_CONTROL__WP_ARM_SEL__SHIFT(0)) |
+				(CCN_XP_DT_CONTROL__WP_ARM_SEL__ALWAYS <<
+				CCN_XP_DT_CONTROL__WP_ARM_SEL__SHIFT(1)) |
+				CCN_XP_DT_CONTROL__DT_ENABLE,
+				ccn->xp[i].base + CCN_XP_DT_CONTROL);
+	}
+	ccn->dt.cmp_mask[CCN_IDX_MASK_ANY].l = ~0;
+	ccn->dt.cmp_mask[CCN_IDX_MASK_ANY].h = ~0;
+	ccn->dt.cmp_mask[CCN_IDX_MASK_EXACT].l = 0;
+	ccn->dt.cmp_mask[CCN_IDX_MASK_EXACT].h = 0;
+	ccn->dt.cmp_mask[CCN_IDX_MASK_ORDER].l = ~0;
+	ccn->dt.cmp_mask[CCN_IDX_MASK_ORDER].h = ~(0x1 << 15);
+	ccn->dt.cmp_mask[CCN_IDX_MASK_OPCODE].l = ~0;
+	ccn->dt.cmp_mask[CCN_IDX_MASK_OPCODE].h = ~(0x1f << 9);
+
+	/* Get a convenient /sys/event_source/devices/ name */
+	ccn->dt.id = ida_simple_get(&arm_ccn_pmu_ida, 0, 0, GFP_KERNEL);
+	if (ccn->dt.id == 0) {
+		name = "ccn";
+	} else {
+		int len = snprintf(NULL, 0, "ccn_%d", ccn->dt.id);
+
+		name = devm_kzalloc(ccn->dev, len + 1, GFP_KERNEL);
+		snprintf(name, len + 1, "ccn_%d", ccn->dt.id);
+	}
+
+	/* Perf driver registration */
+	ccn->dt.pmu = (struct pmu) {
+		.attr_groups = arm_ccn_pmu_attr_groups,
+		.task_ctx_nr = perf_invalid_context,
+		.event_init = arm_ccn_pmu_event_init,
+		.add = arm_ccn_pmu_event_add,
+		.del = arm_ccn_pmu_event_del,
+		.start = arm_ccn_pmu_event_start,
+		.stop = arm_ccn_pmu_event_stop,
+		.read = arm_ccn_pmu_event_read,
+	};
+
+	/* No overflow interrupt? Have to use a timer instead. */
+	if (!ccn->irq_used) {
+		dev_info(ccn->dev, "No access to interrupts, using timer.\n");
+		hrtimer_init(&ccn->dt.hrtimer, CLOCK_MONOTONIC,
+				HRTIMER_MODE_REL);
+		ccn->dt.hrtimer.function = arm_ccn_pmu_timer_handler;
+	}
+
+	return perf_pmu_register(&ccn->dt.pmu, name, -1);
+}
+
+static void arm_ccn_pmu_cleanup(struct arm_ccn *ccn)
+{
+	int i;
+
+	for (i = 0; i < ccn->num_xps; i++)
+		writel(0, ccn->xp[i].base + CCN_XP_DT_CONTROL);
+	writel(0, ccn->dt.base + CCN_DT_PMCR);
+	perf_pmu_unregister(&ccn->dt.pmu);
+	ida_simple_remove(&arm_ccn_pmu_ida, ccn->dt.id);
+}
+
+
+static int arm_ccn_for_each_valid_region(struct arm_ccn *ccn,
+		int (*callback)(struct arm_ccn *ccn, int region,
+		void __iomem *base, u32 type, u32 id))
+{
+	int region;
+
+	for (region = 0; region < CCN_NUM_REGIONS; region++) {
+		u32 val, type, id;
+		void __iomem *base;
+		int err;
+
+		val = readl(ccn->base + CCN_MN_OLY_COMP_LIST_63_0 +
+				4 * (region / 32));
+		if (!(val & (1 << (region % 32))))
+			continue;
+
+		base = ccn->base + region * CCN_REGION_SIZE;
+		val = readl(base + CCN_ALL_OLY_ID);
+		type = (val >> CCN_ALL_OLY_ID__OLY_ID__SHIFT) &
+				CCN_ALL_OLY_ID__OLY_ID__MASK;
+		id = (val >> CCN_ALL_OLY_ID__NODE_ID__SHIFT) &
+				CCN_ALL_OLY_ID__NODE_ID__MASK;
+
+		err = callback(ccn, region, base, type, id);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static int arm_ccn_get_nodes_num(struct arm_ccn *ccn, int region,
+		void __iomem *base, u32 type, u32 id)
+{
+
+	if (type == CCN_TYPE_XP && id >= ccn->num_xps)
+		ccn->num_xps = id + 1;
+	else if (id >= ccn->num_nodes)
+		ccn->num_nodes = id + 1;
+
+	return 0;
+}
+
+static int arm_ccn_init_nodes(struct arm_ccn *ccn, int region,
+		void __iomem *base, u32 type, u32 id)
+{
+	struct arm_ccn_component *component;
+
+	dev_dbg(ccn->dev, "Region %d: id=%u, type=0x%02x\n", region, id, type);
+
+	switch (type) {
+	case CCN_TYPE_MN:
+	case CCN_TYPE_DT:
+		return 0;
+	case CCN_TYPE_XP:
+		component = &ccn->xp[id];
+		break;
+	case CCN_TYPE_SBSX:
+		ccn->sbsx_present = 1;
+		component = &ccn->node[id];
+		break;
+	case CCN_TYPE_SBAS:
+		ccn->sbas_present = 1;
+		/* Fall-through */
+	default:
+		component = &ccn->node[id];
+		break;
+	}
+
+	component->base = base;
+	component->type = type;
+
+	return 0;
+}
+
+
+static irqreturn_t arm_ccn_error_handler(struct arm_ccn *ccn,
+		const u32 *err_sig_val)
+{
+	/* This should be really handled by firmware... */
+	dev_err(ccn->dev, "Error reported in %08x%08x%08x%08x%08x%08x.\n",
+			err_sig_val[5], err_sig_val[4], err_sig_val[3],
+			err_sig_val[2], err_sig_val[1], err_sig_val[0]);
+	dev_err(ccn->dev, "Disabling interrupt generation for all errors.\n");
+	writel(CCN_MN_ERRINT_STATUS__ALL_ERRORS__DISABLE,
+			ccn->base + CCN_MN_ERRINT_STATUS);
+
+	return IRQ_HANDLED;
+}
+
+
+static irqreturn_t arm_ccn_irq_handler(int irq, void *dev_id)
+{
+	irqreturn_t res = IRQ_NONE;
+	struct arm_ccn *ccn = dev_id;
+	u32 err_sig_val[6];
+	u32 err_or;
+	int i;
+
+	/* PMU overflow is a special case */
+	err_or = err_sig_val[0] = readl(ccn->base + CCN_MN_ERR_SIG_VAL_63_0);
+	if (err_or & CCN_MN_ERR_SIG_VAL_63_0__DT) {
+		err_or &= ~CCN_MN_ERR_SIG_VAL_63_0__DT;
+		res = arm_ccn_pmu_overflow_handler(&ccn->dt);
+	}
+
+	/* Have to read all err_sig_vals to clear them */
+	for (i = 1; i < ARRAY_SIZE(err_sig_val); i++) {
+		err_sig_val[i] = readl(ccn->base +
+				CCN_MN_ERR_SIG_VAL_63_0 + i * 4);
+		err_or |= err_sig_val[i];
+	}
+	if (err_or)
+		res |= arm_ccn_error_handler(ccn, err_sig_val);
+
+	if (res != IRQ_NONE)
+		writel(CCN_MN_ERRINT_STATUS__INTREQ__DESSERT,
+				ccn->base + CCN_MN_ERRINT_STATUS);
+
+	return res;
+}
+
+
+static int arm_ccn_probe(struct platform_device *pdev)
+{
+	struct arm_ccn *ccn;
+	struct resource *res;
+	int err;
+
+	ccn = devm_kzalloc(&pdev->dev, sizeof(*ccn), GFP_KERNEL);
+	if (!ccn)
+		return -ENOMEM;
+	ccn->dev = &pdev->dev;
+	platform_set_drvdata(pdev, ccn);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;
+
+	if (!devm_request_mem_region(ccn->dev, res->start,
+			resource_size(res), pdev->name))
+		return -EBUSY;
+
+	ccn->base = devm_ioremap(ccn->dev, res->start,
+				resource_size(res));
+	if (!ccn->base)
+		return -EFAULT;
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res)
+		return -EINVAL;
+
+	/* Check if we can use the interrupt */
+	writel(CCN_MN_ERRINT_STATUS__PMU_EVENTS__DISABLE,
+			ccn->base + CCN_MN_ERRINT_STATUS);
+	if (readl(ccn->base + CCN_MN_ERRINT_STATUS) &
+			CCN_MN_ERRINT_STATUS__PMU_EVENTS__DISABLED) {
+		/* Can set 'disable' bits, so can acknowledge interrupts */
+		writel(CCN_MN_ERRINT_STATUS__PMU_EVENTS__ENABLE,
+				ccn->base + CCN_MN_ERRINT_STATUS);
+		err = devm_request_irq(ccn->dev, res->start,
+				arm_ccn_irq_handler, 0, dev_name(ccn->dev),
+				ccn);
+		if (err)
+			return err;
+
+		ccn->irq_used = 1;
+	}
+
+
+	/* Build topology */
+
+	err = arm_ccn_for_each_valid_region(ccn, arm_ccn_get_nodes_num);
+	if (err)
+		return err;
+
+	ccn->node = devm_kzalloc(ccn->dev, sizeof(*ccn->node) * ccn->num_nodes,
+		GFP_KERNEL);
+	ccn->xp = devm_kzalloc(ccn->dev, sizeof(*ccn->node) * ccn->num_xps,
+		GFP_KERNEL);
+	if (!ccn->node || !ccn->xp)
+		return -ENOMEM;
+
+	err = arm_ccn_for_each_valid_region(ccn, arm_ccn_init_nodes);
+	if (err)
+		return err;
+
+	return arm_ccn_pmu_init(ccn);
+}
+
+static int arm_ccn_remove(struct platform_device *pdev)
+{
+	struct arm_ccn *ccn = platform_get_drvdata(pdev);
+
+	arm_ccn_pmu_cleanup(ccn);
+
+	return 0;
+}
+
+static const struct of_device_id arm_ccn_match[] = {
+	{ .compatible = "arm,ccn-504", },
+	{},
+};
+
+static struct platform_driver arm_ccn_driver = {
+	.driver = {
+		.name = "arm-ccn",
+		.of_match_table = arm_ccn_match,
+	},
+	.probe = arm_ccn_probe,
+	.remove = arm_ccn_remove,
+};
+
+static int __init arm_ccn_init(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(arm_ccn_pmu_events); i++)
+		arm_ccn_pmu_events_attrs[i] = &arm_ccn_pmu_events[i].attr.attr;
+
+	return platform_driver_register(&arm_ccn_driver);
+}
+
+static void __exit arm_ccn_exit(void)
+{
+	platform_driver_unregister(&arm_ccn_driver);
+}
+
+module_init(arm_ccn_init);
+module_exit(arm_ccn_exit);
+
+MODULE_AUTHOR("Pawel Moll <pawel.moll@arm.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 30e82860567a..8c96e2ddf43b 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -32,14 +32,6 @@ config LEDS_88PM860X
 	  This option enables support for on-chip LED drivers found on Marvell
 	  Semiconductor 88PM8606 PMIC.
 
-config LEDS_ATMEL_PWM
-	tristate "LED Support using Atmel PWM outputs"
-	depends on LEDS_CLASS
-	depends on ATMEL_PWM
-	help
-	  This option enables support for LEDs driven using outputs
-	  of the dedicated PWM controller found on newer Atmel SOCs.
-
 config LEDS_LM3530
 	tristate "LCD Backlight driver for LM3530"
 	depends on LEDS_CLASS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index b2a62959ff8f..d8cc5f2777de 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -6,7 +6,6 @@ obj-$(CONFIG_LEDS_TRIGGERS)		+= led-triggers.o
 
 # LED Platform Drivers
 obj-$(CONFIG_LEDS_88PM860X)		+= leds-88pm860x.o
-obj-$(CONFIG_LEDS_ATMEL_PWM)		+= leds-atmel-pwm.o
 obj-$(CONFIG_LEDS_BD2802)		+= leds-bd2802.o
 obj-$(CONFIG_LEDS_LOCOMO)		+= leds-locomo.o
 obj-$(CONFIG_LEDS_LM3530)		+= leds-lm3530.o
diff --git a/drivers/leds/leds-atmel-pwm.c b/drivers/leds/leds-atmel-pwm.c
deleted file mode 100644
index 56cec8d6a2ac..000000000000
--- a/drivers/leds/leds-atmel-pwm.c
+++ /dev/null
@@ -1,149 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/leds.h>
-#include <linux/io.h>
-#include <linux/atmel_pwm.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-
-
-struct pwmled {
-	struct led_classdev	cdev;
-	struct pwm_channel	pwmc;
-	struct gpio_led		*desc;
-	u32			mult;
-	u8			active_low;
-};
-
-
-/*
- * For simplicity, we use "brightness" as if it were a linear function
- * of PWM duty cycle.  However, a logarithmic function of duty cycle is
- * probably a better match for perceived brightness: two is half as bright
- * as four, four is half as bright as eight, etc
- */
-static void pwmled_brightness(struct led_classdev *cdev, enum led_brightness b)
-{
-	struct pwmled		 *led;
-
-	/* update the duty cycle for the *next* period */
-	led = container_of(cdev, struct pwmled, cdev);
-	pwm_channel_writel(&led->pwmc, PWM_CUPD, led->mult * (unsigned) b);
-}
-
-/*
- * NOTE:  we reuse the platform_data structure of GPIO leds,
- * but repurpose its "gpio" number as a PWM channel number.
- */
-static int pwmled_probe(struct platform_device *pdev)
-{
-	const struct gpio_led_platform_data	*pdata;
-	struct pwmled				*leds;
-	int					i;
-	int					status;
-
-	pdata = dev_get_platdata(&pdev->dev);
-	if (!pdata || pdata->num_leds < 1)
-		return -ENODEV;
-
-	leds = devm_kzalloc(&pdev->dev, pdata->num_leds * sizeof(*leds),
-			GFP_KERNEL);
-	if (!leds)
-		return -ENOMEM;
-
-	for (i = 0; i < pdata->num_leds; i++) {
-		struct pwmled		*led = leds + i;
-		const struct gpio_led	*dat = pdata->leds + i;
-		u32			tmp;
-
-		led->cdev.name = dat->name;
-		led->cdev.brightness = LED_OFF;
-		led->cdev.brightness_set = pwmled_brightness;
-		led->cdev.default_trigger = dat->default_trigger;
-
-		led->active_low = dat->active_low;
-
-		status = pwm_channel_alloc(dat->gpio, &led->pwmc);
-		if (status < 0)
-			goto err;
-
-		/*
-		 * Prescale clock by 2^x, so PWM counts in low MHz.
-		 * Start each cycle with the LED active, so increasing
-		 * the duty cycle gives us more time on (== brighter).
-		 */
-		tmp = 5;
-		if (!led->active_low)
-			tmp |= PWM_CPR_CPOL;
-		pwm_channel_writel(&led->pwmc, PWM_CMR, tmp);
-
-		/*
-		 * Pick a period so PWM cycles at 100+ Hz; and a multiplier
-		 * for scaling duty cycle:  brightness * mult.
-		 */
-		tmp = (led->pwmc.mck / (1 << 5)) / 100;
-		tmp /= 255;
-		led->mult = tmp;
-		pwm_channel_writel(&led->pwmc, PWM_CDTY,
-				led->cdev.brightness * 255);
-		pwm_channel_writel(&led->pwmc, PWM_CPRD,
-				LED_FULL * tmp);
-
-		pwm_channel_enable(&led->pwmc);
-
-		/* Hand it over to the LED framework */
-		status = led_classdev_register(&pdev->dev, &led->cdev);
-		if (status < 0) {
-			pwm_channel_free(&led->pwmc);
-			goto err;
-		}
-	}
-
-	platform_set_drvdata(pdev, leds);
-	return 0;
-
-err:
-	if (i > 0) {
-		for (i = i - 1; i >= 0; i--) {
-			led_classdev_unregister(&leds[i].cdev);
-			pwm_channel_free(&leds[i].pwmc);
-		}
-	}
-
-	return status;
-}
-
-static int pwmled_remove(struct platform_device *pdev)
-{
-	const struct gpio_led_platform_data	*pdata;
-	struct pwmled				*leds;
-	unsigned				i;
-
-	pdata = dev_get_platdata(&pdev->dev);
-	leds = platform_get_drvdata(pdev);
-
-	for (i = 0; i < pdata->num_leds; i++) {
-		struct pwmled		*led = leds + i;
-
-		led_classdev_unregister(&led->cdev);
-		pwm_channel_free(&led->pwmc);
-	}
-
-	return 0;
-}
-
-static struct platform_driver pwmled_driver = {
-	.driver = {
-		.name =		"leds-atmel-pwm",
-		.owner =	THIS_MODULE,
-	},
-	/* REVISIT add suspend() and resume() methods */
-	.probe =	pwmled_probe,
-	.remove =	pwmled_remove,
-};
-
-module_platform_driver(pwmled_driver);
-
-MODULE_DESCRIPTION("Driver for LEDs with PWM-controlled brightness");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:leds-atmel-pwm");
diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index c8b5c13bcd05..9fd9c6717e0c 100644
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -16,26 +16,9 @@ config PL320_MBOX
 	  Management Engine, primarily for cpufreq. Say Y here if you want
 	  to use the PL320 IPCM support.
 
-config OMAP_MBOX
-	tristate
-	help
-	  This option is selected by any OMAP architecture specific mailbox
-	  driver such as CONFIG_OMAP1_MBOX or CONFIG_OMAP2PLUS_MBOX. This
-	  enables the common OMAP mailbox framework code.
-
-config OMAP1_MBOX
-	tristate "OMAP1 Mailbox framework support"
-	depends on ARCH_OMAP1
-	select OMAP_MBOX
-	help
-	  Mailbox implementation for OMAP chips with hardware for
-	  interprocessor communication involving DSP in OMAP1. Say Y here
-	  if you want to use OMAP1 Mailbox framework support.
-
 config OMAP2PLUS_MBOX
 	tristate "OMAP2+ Mailbox framework support"
 	depends on ARCH_OMAP2PLUS
-	select OMAP_MBOX
 	help
 	  Mailbox implementation for OMAP family chips with hardware for
 	  interprocessor communication involving DSP, IVA1.0 and IVA2 in
@@ -44,7 +27,7 @@ config OMAP2PLUS_MBOX
 
 config OMAP_MBOX_KFIFO_SIZE
 	int "Mailbox kfifo default buffer size (bytes)"
-	depends on OMAP2PLUS_MBOX || OMAP1_MBOX
+	depends on OMAP2PLUS_MBOX
 	default 256
 	help
 	  Specify the default size of mailbox's kfifo buffers (bytes).
diff --git a/drivers/mailbox/Makefile b/drivers/mailbox/Makefile
index e0facb34084a..6d184dbcaca8 100644
--- a/drivers/mailbox/Makefile
+++ b/drivers/mailbox/Makefile
@@ -1,7 +1,3 @@
 obj-$(CONFIG_PL320_MBOX)	+= pl320-ipc.o
 
-obj-$(CONFIG_OMAP_MBOX)		+= omap-mailbox.o
-obj-$(CONFIG_OMAP1_MBOX)	+= mailbox_omap1.o
-mailbox_omap1-objs		:= mailbox-omap1.o
-obj-$(CONFIG_OMAP2PLUS_MBOX)	+= mailbox_omap2.o
-mailbox_omap2-objs		:= mailbox-omap2.o
+obj-$(CONFIG_OMAP2PLUS_MBOX)	+= omap-mailbox.o
diff --git a/drivers/mailbox/mailbox-omap1.c b/drivers/mailbox/mailbox-omap1.c
deleted file mode 100644
index 9001b7633f10..000000000000
--- a/drivers/mailbox/mailbox-omap1.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Mailbox reservation modules for OMAP1
- *
- * Copyright (C) 2006-2009 Nokia Corporation
- * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-
-#include "omap-mbox.h"
-
-#define MAILBOX_ARM2DSP1		0x00
-#define MAILBOX_ARM2DSP1b		0x04
-#define MAILBOX_DSP2ARM1		0x08
-#define MAILBOX_DSP2ARM1b		0x0c
-#define MAILBOX_DSP2ARM2		0x10
-#define MAILBOX_DSP2ARM2b		0x14
-#define MAILBOX_ARM2DSP1_Flag		0x18
-#define MAILBOX_DSP2ARM1_Flag		0x1c
-#define MAILBOX_DSP2ARM2_Flag		0x20
-
-static void __iomem *mbox_base;
-
-struct omap_mbox1_fifo {
-	unsigned long cmd;
-	unsigned long data;
-	unsigned long flag;
-};
-
-struct omap_mbox1_priv {
-	struct omap_mbox1_fifo tx_fifo;
-	struct omap_mbox1_fifo rx_fifo;
-};
-
-static inline int mbox_read_reg(size_t ofs)
-{
-	return __raw_readw(mbox_base + ofs);
-}
-
-static inline void mbox_write_reg(u32 val, size_t ofs)
-{
-	__raw_writew(val, mbox_base + ofs);
-}
-
-/* msg */
-static mbox_msg_t omap1_mbox_fifo_read(struct omap_mbox *mbox)
-{
-	struct omap_mbox1_fifo *fifo =
-		&((struct omap_mbox1_priv *)mbox->priv)->rx_fifo;
-	mbox_msg_t msg;
-
-	msg = mbox_read_reg(fifo->data);
-	msg |= ((mbox_msg_t) mbox_read_reg(fifo->cmd)) << 16;
-
-	return msg;
-}
-
-static void
-omap1_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
-{
-	struct omap_mbox1_fifo *fifo =
-		&((struct omap_mbox1_priv *)mbox->priv)->tx_fifo;
-
-	mbox_write_reg(msg & 0xffff, fifo->data);
-	mbox_write_reg(msg >> 16, fifo->cmd);
-}
-
-static int omap1_mbox_fifo_empty(struct omap_mbox *mbox)
-{
-	return 0;
-}
-
-static int omap1_mbox_fifo_full(struct omap_mbox *mbox)
-{
-	struct omap_mbox1_fifo *fifo =
-		&((struct omap_mbox1_priv *)mbox->priv)->rx_fifo;
-
-	return mbox_read_reg(fifo->flag);
-}
-
-/* irq */
-static void
-omap1_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
-	if (irq == IRQ_RX)
-		enable_irq(mbox->irq);
-}
-
-static void
-omap1_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
-	if (irq == IRQ_RX)
-		disable_irq(mbox->irq);
-}
-
-static int
-omap1_mbox_is_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
-	if (irq == IRQ_TX)
-		return 0;
-	return 1;
-}
-
-static struct omap_mbox_ops omap1_mbox_ops = {
-	.type		= OMAP_MBOX_TYPE1,
-	.fifo_read	= omap1_mbox_fifo_read,
-	.fifo_write	= omap1_mbox_fifo_write,
-	.fifo_empty	= omap1_mbox_fifo_empty,
-	.fifo_full	= omap1_mbox_fifo_full,
-	.enable_irq	= omap1_mbox_enable_irq,
-	.disable_irq	= omap1_mbox_disable_irq,
-	.is_irq		= omap1_mbox_is_irq,
-};
-
-/* FIXME: the following struct should be created automatically by the user id */
-
-/* DSP */
-static struct omap_mbox1_priv omap1_mbox_dsp_priv = {
-	.tx_fifo = {
-		.cmd	= MAILBOX_ARM2DSP1b,
-		.data	= MAILBOX_ARM2DSP1,
-		.flag	= MAILBOX_ARM2DSP1_Flag,
-	},
-	.rx_fifo = {
-		.cmd	= MAILBOX_DSP2ARM1b,
-		.data	= MAILBOX_DSP2ARM1,
-		.flag	= MAILBOX_DSP2ARM1_Flag,
-	},
-};
-
-static struct omap_mbox mbox_dsp_info = {
-	.name	= "dsp",
-	.ops	= &omap1_mbox_ops,
-	.priv	= &omap1_mbox_dsp_priv,
-};
-
-static struct omap_mbox *omap1_mboxes[] = { &mbox_dsp_info, NULL };
-
-static int omap1_mbox_probe(struct platform_device *pdev)
-{
-	struct resource *mem;
-	int ret;
-	struct omap_mbox **list;
-
-	list = omap1_mboxes;
-	list[0]->irq = platform_get_irq_byname(pdev, "dsp");
-
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem)
-		return -ENOENT;
-
-	mbox_base = ioremap(mem->start, resource_size(mem));
-	if (!mbox_base)
-		return -ENOMEM;
-
-	ret = omap_mbox_register(&pdev->dev, list);
-	if (ret) {
-		iounmap(mbox_base);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int omap1_mbox_remove(struct platform_device *pdev)
-{
-	omap_mbox_unregister();
-	iounmap(mbox_base);
-	return 0;
-}
-
-static struct platform_driver omap1_mbox_driver = {
-	.probe	= omap1_mbox_probe,
-	.remove	= omap1_mbox_remove,
-	.driver	= {
-		.name	= "omap-mailbox",
-	},
-};
-
-static int __init omap1_mbox_init(void)
-{
-	return platform_driver_register(&omap1_mbox_driver);
-}
-
-static void __exit omap1_mbox_exit(void)
-{
-	platform_driver_unregister(&omap1_mbox_driver);
-}
-
-module_init(omap1_mbox_init);
-module_exit(omap1_mbox_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("omap mailbox: omap1 architecture specific functions");
-MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>");
-MODULE_ALIAS("platform:omap1-mailbox");
diff --git a/drivers/mailbox/mailbox-omap2.c b/drivers/mailbox/mailbox-omap2.c
deleted file mode 100644
index 42d2b893ea67..000000000000
--- a/drivers/mailbox/mailbox-omap2.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- * Mailbox reservation modules for OMAP2/3
- *
- * Copyright (C) 2006-2009 Nokia Corporation
- * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
- *        and  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/pm_runtime.h>
-#include <linux/platform_data/mailbox-omap.h>
-
-#include "omap-mbox.h"
-
-#define MAILBOX_REVISION		0x000
-#define MAILBOX_MESSAGE(m)		(0x040 + 4 * (m))
-#define MAILBOX_FIFOSTATUS(m)		(0x080 + 4 * (m))
-#define MAILBOX_MSGSTATUS(m)		(0x0c0 + 4 * (m))
-#define MAILBOX_IRQSTATUS(u)		(0x100 + 8 * (u))
-#define MAILBOX_IRQENABLE(u)		(0x104 + 8 * (u))
-
-#define OMAP4_MAILBOX_IRQSTATUS(u)	(0x104 + 0x10 * (u))
-#define OMAP4_MAILBOX_IRQENABLE(u)	(0x108 + 0x10 * (u))
-#define OMAP4_MAILBOX_IRQENABLE_CLR(u)	(0x10c + 0x10 * (u))
-
-#define MAILBOX_IRQ_NEWMSG(m)		(1 << (2 * (m)))
-#define MAILBOX_IRQ_NOTFULL(m)		(1 << (2 * (m) + 1))
-
-#define MBOX_REG_SIZE			0x120
-
-#define OMAP4_MBOX_REG_SIZE		0x130
-
-#define MBOX_NR_REGS			(MBOX_REG_SIZE / sizeof(u32))
-#define OMAP4_MBOX_NR_REGS		(OMAP4_MBOX_REG_SIZE / sizeof(u32))
-
-static void __iomem *mbox_base;
-
-struct omap_mbox2_fifo {
-	unsigned long msg;
-	unsigned long fifo_stat;
-	unsigned long msg_stat;
-};
-
-struct omap_mbox2_priv {
-	struct omap_mbox2_fifo tx_fifo;
-	struct omap_mbox2_fifo rx_fifo;
-	unsigned long irqenable;
-	unsigned long irqstatus;
-	u32 newmsg_bit;
-	u32 notfull_bit;
-	u32 ctx[OMAP4_MBOX_NR_REGS];
-	unsigned long irqdisable;
-	u32 intr_type;
-};
-
-static inline unsigned int mbox_read_reg(size_t ofs)
-{
-	return __raw_readl(mbox_base + ofs);
-}
-
-static inline void mbox_write_reg(u32 val, size_t ofs)
-{
-	__raw_writel(val, mbox_base + ofs);
-}
-
-/* Mailbox H/W preparations */
-static int omap2_mbox_startup(struct omap_mbox *mbox)
-{
-	u32 l;
-
-	pm_runtime_enable(mbox->dev->parent);
-	pm_runtime_get_sync(mbox->dev->parent);
-
-	l = mbox_read_reg(MAILBOX_REVISION);
-	pr_debug("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));
-
-	return 0;
-}
-
-static void omap2_mbox_shutdown(struct omap_mbox *mbox)
-{
-	pm_runtime_put_sync(mbox->dev->parent);
-	pm_runtime_disable(mbox->dev->parent);
-}
-
-/* Mailbox FIFO handle functions */
-static mbox_msg_t omap2_mbox_fifo_read(struct omap_mbox *mbox)
-{
-	struct omap_mbox2_fifo *fifo =
-		&((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;
-	return (mbox_msg_t) mbox_read_reg(fifo->msg);
-}
-
-static void omap2_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
-{
-	struct omap_mbox2_fifo *fifo =
-		&((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;
-	mbox_write_reg(msg, fifo->msg);
-}
-
-static int omap2_mbox_fifo_empty(struct omap_mbox *mbox)
-{
-	struct omap_mbox2_fifo *fifo =
-		&((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;
-	return (mbox_read_reg(fifo->msg_stat) == 0);
-}
-
-static int omap2_mbox_fifo_full(struct omap_mbox *mbox)
-{
-	struct omap_mbox2_fifo *fifo =
-		&((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;
-	return mbox_read_reg(fifo->fifo_stat);
-}
-
-/* Mailbox IRQ handle functions */
-static void omap2_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
-	struct omap_mbox2_priv *p = mbox->priv;
-	u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-
-	l = mbox_read_reg(p->irqenable);
-	l |= bit;
-	mbox_write_reg(l, p->irqenable);
-}
-
-static void omap2_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
-	struct omap_mbox2_priv *p = mbox->priv;
-	u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-
-	/*
-	 * Read and update the interrupt configuration register for pre-OMAP4.
-	 * OMAP4 and later SoCs have a dedicated interrupt disabling register.
-	 */
-	if (!p->intr_type)
-		bit = mbox_read_reg(p->irqdisable) & ~bit;
-
-	mbox_write_reg(bit, p->irqdisable);
-}
-
-static void omap2_mbox_ack_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
-	struct omap_mbox2_priv *p = mbox->priv;
-	u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-
-	mbox_write_reg(bit, p->irqstatus);
-
-	/* Flush posted write for irq status to avoid spurious interrupts */
-	mbox_read_reg(p->irqstatus);
-}
-
-static int omap2_mbox_is_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
-	struct omap_mbox2_priv *p = mbox->priv;
-	u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-	u32 enable = mbox_read_reg(p->irqenable);
-	u32 status = mbox_read_reg(p->irqstatus);
-
-	return (int)(enable & status & bit);
-}
-
-static void omap2_mbox_save_ctx(struct omap_mbox *mbox)
-{
-	int i;
-	struct omap_mbox2_priv *p = mbox->priv;
-	int nr_regs;
-
-	if (p->intr_type)
-		nr_regs = OMAP4_MBOX_NR_REGS;
-	else
-		nr_regs = MBOX_NR_REGS;
-	for (i = 0; i < nr_regs; i++) {
-		p->ctx[i] = mbox_read_reg(i * sizeof(u32));
-
-		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
-			i, p->ctx[i]);
-	}
-}
-
-static void omap2_mbox_restore_ctx(struct omap_mbox *mbox)
-{
-	int i;
-	struct omap_mbox2_priv *p = mbox->priv;
-	int nr_regs;
-
-	if (p->intr_type)
-		nr_regs = OMAP4_MBOX_NR_REGS;
-	else
-		nr_regs = MBOX_NR_REGS;
-	for (i = 0; i < nr_regs; i++) {
-		mbox_write_reg(p->ctx[i], i * sizeof(u32));
-
-		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
-			i, p->ctx[i]);
-	}
-}
-
-static struct omap_mbox_ops omap2_mbox_ops = {
-	.type		= OMAP_MBOX_TYPE2,
-	.startup	= omap2_mbox_startup,
-	.shutdown	= omap2_mbox_shutdown,
-	.fifo_read	= omap2_mbox_fifo_read,
-	.fifo_write	= omap2_mbox_fifo_write,
-	.fifo_empty	= omap2_mbox_fifo_empty,
-	.fifo_full	= omap2_mbox_fifo_full,
-	.enable_irq	= omap2_mbox_enable_irq,
-	.disable_irq	= omap2_mbox_disable_irq,
-	.ack_irq	= omap2_mbox_ack_irq,
-	.is_irq		= omap2_mbox_is_irq,
-	.save_ctx	= omap2_mbox_save_ctx,
-	.restore_ctx	= omap2_mbox_restore_ctx,
-};
-
-static int omap2_mbox_probe(struct platform_device *pdev)
-{
-	struct resource *mem;
-	int ret;
-	struct omap_mbox **list, *mbox, *mboxblk;
-	struct omap_mbox2_priv *priv, *privblk;
-	struct omap_mbox_pdata *pdata = pdev->dev.platform_data;
-	struct omap_mbox_dev_info *info;
-	int i;
-
-	if (!pdata || !pdata->info_cnt || !pdata->info) {
-		pr_err("%s: platform not supported\n", __func__);
-		return -ENODEV;
-	}
-
-	/* allocate one extra for marking end of list */
-	list = kzalloc((pdata->info_cnt + 1) * sizeof(*list), GFP_KERNEL);
-	if (!list)
-		return -ENOMEM;
-
-	mboxblk = mbox = kzalloc(pdata->info_cnt * sizeof(*mbox), GFP_KERNEL);
-	if (!mboxblk) {
-		ret = -ENOMEM;
-		goto free_list;
-	}
-
-	privblk = priv = kzalloc(pdata->info_cnt * sizeof(*priv), GFP_KERNEL);
-	if (!privblk) {
-		ret = -ENOMEM;
-		goto free_mboxblk;
-	}
-
-	info = pdata->info;
-	for (i = 0; i < pdata->info_cnt; i++, info++, priv++) {
-		priv->tx_fifo.msg = MAILBOX_MESSAGE(info->tx_id);
-		priv->tx_fifo.fifo_stat = MAILBOX_FIFOSTATUS(info->tx_id);
-		priv->rx_fifo.msg =  MAILBOX_MESSAGE(info->rx_id);
-		priv->rx_fifo.msg_stat =  MAILBOX_MSGSTATUS(info->rx_id);
-		priv->notfull_bit = MAILBOX_IRQ_NOTFULL(info->tx_id);
-		priv->newmsg_bit = MAILBOX_IRQ_NEWMSG(info->rx_id);
-		if (pdata->intr_type) {
-			priv->irqenable = OMAP4_MAILBOX_IRQENABLE(info->usr_id);
-			priv->irqstatus = OMAP4_MAILBOX_IRQSTATUS(info->usr_id);
-			priv->irqdisable =
-				OMAP4_MAILBOX_IRQENABLE_CLR(info->usr_id);
-		} else {
-			priv->irqenable = MAILBOX_IRQENABLE(info->usr_id);
-			priv->irqstatus = MAILBOX_IRQSTATUS(info->usr_id);
-			priv->irqdisable = MAILBOX_IRQENABLE(info->usr_id);
-		}
-		priv->intr_type = pdata->intr_type;
-
-		mbox->priv = priv;
-		mbox->name = info->name;
-		mbox->ops = &omap2_mbox_ops;
-		mbox->irq = platform_get_irq(pdev, info->irq_id);
-		if (mbox->irq < 0) {
-			ret = mbox->irq;
-			goto free_privblk;
-		}
-		list[i] = mbox++;
-	}
-
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem) {
-		ret = -ENOENT;
-		goto free_privblk;
-	}
-
-	mbox_base = ioremap(mem->start, resource_size(mem));
-	if (!mbox_base) {
-		ret = -ENOMEM;
-		goto free_privblk;
-	}
-
-	ret = omap_mbox_register(&pdev->dev, list);
-	if (ret)
-		goto unmap_mbox;
-	platform_set_drvdata(pdev, list);
-
-	return 0;
-
-unmap_mbox:
-	iounmap(mbox_base);
-free_privblk:
-	kfree(privblk);
-free_mboxblk:
-	kfree(mboxblk);
-free_list:
-	kfree(list);
-	return ret;
-}
-
-static int omap2_mbox_remove(struct platform_device *pdev)
-{
-	struct omap_mbox2_priv *privblk;
-	struct omap_mbox **list = platform_get_drvdata(pdev);
-	struct omap_mbox *mboxblk = list[0];
-
-	privblk = mboxblk->priv;
-	omap_mbox_unregister();
-	iounmap(mbox_base);
-	kfree(privblk);
-	kfree(mboxblk);
-	kfree(list);
-
-	return 0;
-}
-
-static struct platform_driver omap2_mbox_driver = {
-	.probe	= omap2_mbox_probe,
-	.remove	= omap2_mbox_remove,
-	.driver	= {
-		.name = "omap-mailbox",
-	},
-};
-
-static int __init omap2_mbox_init(void)
-{
-	return platform_driver_register(&omap2_mbox_driver);
-}
-
-static void __exit omap2_mbox_exit(void)
-{
-	platform_driver_unregister(&omap2_mbox_driver);
-}
-
-module_init(omap2_mbox_init);
-module_exit(omap2_mbox_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("omap mailbox: omap2/3/4 architecture specific functions");
-MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>");
-MODULE_AUTHOR("Paul Mundt");
-MODULE_ALIAS("platform:omap2-mailbox");
diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index d79a646b9042..a27e00e63a8a 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -2,8 +2,10 @@
  * OMAP mailbox driver
  *
  * Copyright (C) 2006-2009 Nokia Corporation. All rights reserved.
+ * Copyright (C) 2013-2014 Texas Instruments Inc.
  *
  * Contact: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
+ *          Suman Anna <s-anna@ti.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -24,70 +26,164 @@
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
-#include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/kfifo.h>
 #include <linux/err.h>
 #include <linux/notifier.h>
 #include <linux/module.h>
-
-#include "omap-mbox.h"
-
-static struct omap_mbox **mboxes;
-
-static int mbox_configured;
-static DEFINE_MUTEX(mbox_configured_lock);
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/platform_data/mailbox-omap.h>
+#include <linux/omap-mailbox.h>
+
+#define MAILBOX_REVISION		0x000
+#define MAILBOX_MESSAGE(m)		(0x040 + 4 * (m))
+#define MAILBOX_FIFOSTATUS(m)		(0x080 + 4 * (m))
+#define MAILBOX_MSGSTATUS(m)		(0x0c0 + 4 * (m))
+
+#define OMAP2_MAILBOX_IRQSTATUS(u)	(0x100 + 8 * (u))
+#define OMAP2_MAILBOX_IRQENABLE(u)	(0x104 + 8 * (u))
+
+#define OMAP4_MAILBOX_IRQSTATUS(u)	(0x104 + 0x10 * (u))
+#define OMAP4_MAILBOX_IRQENABLE(u)	(0x108 + 0x10 * (u))
+#define OMAP4_MAILBOX_IRQENABLE_CLR(u)	(0x10c + 0x10 * (u))
+
+#define MAILBOX_IRQSTATUS(type, u)	(type ? OMAP4_MAILBOX_IRQSTATUS(u) : \
+						OMAP2_MAILBOX_IRQSTATUS(u))
+#define MAILBOX_IRQENABLE(type, u)	(type ? OMAP4_MAILBOX_IRQENABLE(u) : \
+						OMAP2_MAILBOX_IRQENABLE(u))
+#define MAILBOX_IRQDISABLE(type, u)	(type ? OMAP4_MAILBOX_IRQENABLE_CLR(u) \
+						: OMAP2_MAILBOX_IRQENABLE(u))
+
+#define MAILBOX_IRQ_NEWMSG(m)		(1 << (2 * (m)))
+#define MAILBOX_IRQ_NOTFULL(m)		(1 << (2 * (m) + 1))
+
+#define MBOX_REG_SIZE			0x120
+
+#define OMAP4_MBOX_REG_SIZE		0x130
+
+#define MBOX_NR_REGS			(MBOX_REG_SIZE / sizeof(u32))
+#define OMAP4_MBOX_NR_REGS		(OMAP4_MBOX_REG_SIZE / sizeof(u32))
+
+struct omap_mbox_fifo {
+	unsigned long msg;
+	unsigned long fifo_stat;
+	unsigned long msg_stat;
+	unsigned long irqenable;
+	unsigned long irqstatus;
+	unsigned long irqdisable;
+	u32 intr_bit;
+};
+
+struct omap_mbox_queue {
+	spinlock_t		lock;
+	struct kfifo		fifo;
+	struct work_struct	work;
+	struct tasklet_struct	tasklet;
+	struct omap_mbox	*mbox;
+	bool full;
+};
+
+struct omap_mbox_device {
+	struct device *dev;
+	struct mutex cfg_lock;
+	void __iomem *mbox_base;
+	u32 num_users;
+	u32 num_fifos;
+	struct omap_mbox **mboxes;
+	struct list_head elem;
+};
+
+struct omap_mbox {
+	const char		*name;
+	int			irq;
+	struct omap_mbox_queue	*txq, *rxq;
+	struct device		*dev;
+	struct omap_mbox_device *parent;
+	struct omap_mbox_fifo	tx_fifo;
+	struct omap_mbox_fifo	rx_fifo;
+	u32			ctx[OMAP4_MBOX_NR_REGS];
+	u32			intr_type;
+	int			use_count;
+	struct blocking_notifier_head	notifier;
+};
+
+/* global variables for the mailbox devices */
+static DEFINE_MUTEX(omap_mbox_devices_lock);
+static LIST_HEAD(omap_mbox_devices);
 
 static unsigned int mbox_kfifo_size = CONFIG_OMAP_MBOX_KFIFO_SIZE;
 module_param(mbox_kfifo_size, uint, S_IRUGO);
 MODULE_PARM_DESC(mbox_kfifo_size, "Size of omap's mailbox kfifo (bytes)");
 
+static inline
+unsigned int mbox_read_reg(struct omap_mbox_device *mdev, size_t ofs)
+{
+	return __raw_readl(mdev->mbox_base + ofs);
+}
+
+static inline
+void mbox_write_reg(struct omap_mbox_device *mdev, u32 val, size_t ofs)
+{
+	__raw_writel(val, mdev->mbox_base + ofs);
+}
+
 /* Mailbox FIFO handle functions */
-static inline mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox)
+static mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox)
 {
-	return mbox->ops->fifo_read(mbox);
+	struct omap_mbox_fifo *fifo = &mbox->rx_fifo;
+	return (mbox_msg_t) mbox_read_reg(mbox->parent, fifo->msg);
 }
-static inline void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
+
+static void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
 {
-	mbox->ops->fifo_write(mbox, msg);
+	struct omap_mbox_fifo *fifo = &mbox->tx_fifo;
+	mbox_write_reg(mbox->parent, msg, fifo->msg);
 }
-static inline int mbox_fifo_empty(struct omap_mbox *mbox)
+
+static int mbox_fifo_empty(struct omap_mbox *mbox)
 {
-	return mbox->ops->fifo_empty(mbox);
+	struct omap_mbox_fifo *fifo = &mbox->rx_fifo;
+	return (mbox_read_reg(mbox->parent, fifo->msg_stat) == 0);
 }
-static inline int mbox_fifo_full(struct omap_mbox *mbox)
+
+static int mbox_fifo_full(struct omap_mbox *mbox)
 {
-	return mbox->ops->fifo_full(mbox);
+	struct omap_mbox_fifo *fifo = &mbox->tx_fifo;
+	return mbox_read_reg(mbox->parent, fifo->fifo_stat);
 }
 
 /* Mailbox IRQ handle functions */
-static inline void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+static void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	if (mbox->ops->ack_irq)
-		mbox->ops->ack_irq(mbox, irq);
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqstatus = fifo->irqstatus;
+
+	mbox_write_reg(mbox->parent, bit, irqstatus);
+
+	/* Flush posted write for irq status to avoid spurious interrupts */
+	mbox_read_reg(mbox->parent, irqstatus);
 }
-static inline int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+
+static int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	return mbox->ops->is_irq(mbox, irq);
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqenable = fifo->irqenable;
+	u32 irqstatus = fifo->irqstatus;
+
+	u32 enable = mbox_read_reg(mbox->parent, irqenable);
+	u32 status = mbox_read_reg(mbox->parent, irqstatus);
+
+	return (int)(enable & status & bit);
 }
 
 /*
  * message sender
  */
-static int __mbox_poll_for_space(struct omap_mbox *mbox)
-{
-	int ret = 0, i = 1000;
-
-	while (mbox_fifo_full(mbox)) {
-		if (mbox->ops->type == OMAP_MBOX_TYPE2)
-			return -1;
-		if (--i == 0)
-			return -1;
-		udelay(1);
-	}
-	return ret;
-}
-
 int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg)
 {
 	struct omap_mbox_queue *mq = mbox->txq;
@@ -100,7 +196,7 @@ int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg)
 		goto out;
 	}
 
-	if (kfifo_is_empty(&mq->fifo) && !__mbox_poll_for_space(mbox)) {
+	if (kfifo_is_empty(&mq->fifo) && !mbox_fifo_full(mbox)) {
 		mbox_fifo_write(mbox, msg);
 		goto out;
 	}
@@ -118,35 +214,69 @@ EXPORT_SYMBOL(omap_mbox_msg_send);
 
 void omap_mbox_save_ctx(struct omap_mbox *mbox)
 {
-	if (!mbox->ops->save_ctx) {
-		dev_err(mbox->dev, "%s:\tno save\n", __func__);
-		return;
-	}
+	int i;
+	int nr_regs;
+
+	if (mbox->intr_type)
+		nr_regs = OMAP4_MBOX_NR_REGS;
+	else
+		nr_regs = MBOX_NR_REGS;
+	for (i = 0; i < nr_regs; i++) {
+		mbox->ctx[i] = mbox_read_reg(mbox->parent, i * sizeof(u32));
 
-	mbox->ops->save_ctx(mbox);
+		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
+			i, mbox->ctx[i]);
+	}
 }
 EXPORT_SYMBOL(omap_mbox_save_ctx);
 
 void omap_mbox_restore_ctx(struct omap_mbox *mbox)
 {
-	if (!mbox->ops->restore_ctx) {
-		dev_err(mbox->dev, "%s:\tno restore\n", __func__);
-		return;
-	}
+	int i;
+	int nr_regs;
 
-	mbox->ops->restore_ctx(mbox);
+	if (mbox->intr_type)
+		nr_regs = OMAP4_MBOX_NR_REGS;
+	else
+		nr_regs = MBOX_NR_REGS;
+	for (i = 0; i < nr_regs; i++) {
+		mbox_write_reg(mbox->parent, mbox->ctx[i], i * sizeof(u32));
+
+		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
+			i, mbox->ctx[i]);
+	}
 }
 EXPORT_SYMBOL(omap_mbox_restore_ctx);
 
 void omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	mbox->ops->enable_irq(mbox, irq);
+	u32 l;
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqenable = fifo->irqenable;
+
+	l = mbox_read_reg(mbox->parent, irqenable);
+	l |= bit;
+	mbox_write_reg(mbox->parent, l, irqenable);
 }
 EXPORT_SYMBOL(omap_mbox_enable_irq);
 
 void omap_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	mbox->ops->disable_irq(mbox, irq);
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqdisable = fifo->irqdisable;
+
+	/*
+	 * Read and update the interrupt configuration register for pre-OMAP4.
+	 * OMAP4 and later SoCs have a dedicated interrupt disabling register.
+	 */
+	if (!mbox->intr_type)
+		bit = mbox_read_reg(mbox->parent, irqdisable) & ~bit;
+
+	mbox_write_reg(mbox->parent, bit, irqdisable);
 }
 EXPORT_SYMBOL(omap_mbox_disable_irq);
 
@@ -158,7 +288,7 @@ static void mbox_tx_tasklet(unsigned long tx_data)
 	int ret;
 
 	while (kfifo_len(&mq->fifo)) {
-		if (__mbox_poll_for_space(mbox)) {
+		if (mbox_fifo_full(mbox)) {
 			omap_mbox_enable_irq(mbox, IRQ_TX);
 			break;
 		}
@@ -223,9 +353,6 @@ static void __mbox_rx_interrupt(struct omap_mbox *mbox)
 
 		len = kfifo_in(&mq->fifo, (unsigned char *)&msg, sizeof(msg));
 		WARN_ON(len != sizeof(msg));
-
-		if (mbox->ops->type == OMAP_MBOX_TYPE1)
-			break;
 	}
 
 	/* no more messages in the fifo. clear IRQ source. */
@@ -283,16 +410,12 @@ static int omap_mbox_startup(struct omap_mbox *mbox)
 {
 	int ret = 0;
 	struct omap_mbox_queue *mq;
+	struct omap_mbox_device *mdev = mbox->parent;
 
-	mutex_lock(&mbox_configured_lock);
-	if (!mbox_configured++) {
-		if (likely(mbox->ops->startup)) {
-			ret = mbox->ops->startup(mbox);
-			if (unlikely(ret))
-				goto fail_startup;
-		} else
-			goto fail_startup;
-	}
+	mutex_lock(&mdev->cfg_lock);
+	ret = pm_runtime_get_sync(mdev->dev);
+	if (unlikely(ret < 0))
+		goto fail_startup;
 
 	if (!mbox->use_count++) {
 		mq = mbox_queue_alloc(mbox, NULL, mbox_tx_tasklet);
@@ -319,7 +442,7 @@ static int omap_mbox_startup(struct omap_mbox *mbox)
 
 		omap_mbox_enable_irq(mbox, IRQ_RX);
 	}
-	mutex_unlock(&mbox_configured_lock);
+	mutex_unlock(&mdev->cfg_lock);
 	return 0;
 
 fail_request_irq:
@@ -327,18 +450,18 @@ fail_request_irq:
 fail_alloc_rxq:
 	mbox_queue_free(mbox->txq);
 fail_alloc_txq:
-	if (mbox->ops->shutdown)
-		mbox->ops->shutdown(mbox);
+	pm_runtime_put_sync(mdev->dev);
 	mbox->use_count--;
 fail_startup:
-	mbox_configured--;
-	mutex_unlock(&mbox_configured_lock);
+	mutex_unlock(&mdev->cfg_lock);
 	return ret;
 }
 
 static void omap_mbox_fini(struct omap_mbox *mbox)
 {
-	mutex_lock(&mbox_configured_lock);
+	struct omap_mbox_device *mdev = mbox->parent;
+
+	mutex_lock(&mdev->cfg_lock);
 
 	if (!--mbox->use_count) {
 		omap_mbox_disable_irq(mbox, IRQ_RX);
@@ -349,28 +472,43 @@ static void omap_mbox_fini(struct omap_mbox *mbox)
 		mbox_queue_free(mbox->rxq);
 	}
 
-	if (likely(mbox->ops->shutdown)) {
-		if (!--mbox_configured)
-			mbox->ops->shutdown(mbox);
-	}
+	pm_runtime_put_sync(mdev->dev);
 
-	mutex_unlock(&mbox_configured_lock);
+	mutex_unlock(&mdev->cfg_lock);
 }
 
-struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb)
+static struct omap_mbox *omap_mbox_device_find(struct omap_mbox_device *mdev,
+					       const char *mbox_name)
 {
 	struct omap_mbox *_mbox, *mbox = NULL;
-	int i, ret;
+	struct omap_mbox **mboxes = mdev->mboxes;
+	int i;
 
 	if (!mboxes)
-		return ERR_PTR(-EINVAL);
+		return NULL;
 
 	for (i = 0; (_mbox = mboxes[i]); i++) {
-		if (!strcmp(_mbox->name, name)) {
+		if (!strcmp(_mbox->name, mbox_name)) {
 			mbox = _mbox;
 			break;
 		}
 	}
+	return mbox;
+}
+
+struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb)
+{
+	struct omap_mbox *mbox = NULL;
+	struct omap_mbox_device *mdev;
+	int ret;
+
+	mutex_lock(&omap_mbox_devices_lock);
+	list_for_each_entry(mdev, &omap_mbox_devices, elem) {
+		mbox = omap_mbox_device_find(mdev, name);
+		if (mbox)
+			break;
+	}
+	mutex_unlock(&omap_mbox_devices_lock);
 
 	if (!mbox)
 		return ERR_PTR(-ENOENT);
@@ -397,19 +535,20 @@ EXPORT_SYMBOL(omap_mbox_put);
 
 static struct class omap_mbox_class = { .name = "mbox", };
 
-int omap_mbox_register(struct device *parent, struct omap_mbox **list)
+static int omap_mbox_register(struct omap_mbox_device *mdev)
 {
 	int ret;
 	int i;
+	struct omap_mbox **mboxes;
 
-	mboxes = list;
-	if (!mboxes)
+	if (!mdev || !mdev->mboxes)
 		return -EINVAL;
 
+	mboxes = mdev->mboxes;
 	for (i = 0; mboxes[i]; i++) {
 		struct omap_mbox *mbox = mboxes[i];
 		mbox->dev = device_create(&omap_mbox_class,
-				parent, 0, mbox, "%s", mbox->name);
+				mdev->dev, 0, mbox, "%s", mbox->name);
 		if (IS_ERR(mbox->dev)) {
 			ret = PTR_ERR(mbox->dev);
 			goto err_out;
@@ -417,6 +556,11 @@ int omap_mbox_register(struct device *parent, struct omap_mbox **list)
 
 		BLOCKING_INIT_NOTIFIER_HEAD(&mbox->notifier);
 	}
+
+	mutex_lock(&omap_mbox_devices_lock);
+	list_add(&mdev->elem, &omap_mbox_devices);
+	mutex_unlock(&omap_mbox_devices_lock);
+
 	return 0;
 
 err_out:
@@ -424,21 +568,148 @@ err_out:
 		device_unregister(mboxes[i]->dev);
 	return ret;
 }
-EXPORT_SYMBOL(omap_mbox_register);
 
-int omap_mbox_unregister(void)
+static int omap_mbox_unregister(struct omap_mbox_device *mdev)
 {
 	int i;
+	struct omap_mbox **mboxes;
 
-	if (!mboxes)
+	if (!mdev || !mdev->mboxes)
 		return -EINVAL;
 
+	mutex_lock(&omap_mbox_devices_lock);
+	list_del(&mdev->elem);
+	mutex_unlock(&omap_mbox_devices_lock);
+
+	mboxes = mdev->mboxes;
 	for (i = 0; mboxes[i]; i++)
 		device_unregister(mboxes[i]->dev);
-	mboxes = NULL;
 	return 0;
 }
-EXPORT_SYMBOL(omap_mbox_unregister);
+
+static int omap_mbox_probe(struct platform_device *pdev)
+{
+	struct resource *mem;
+	int ret;
+	struct omap_mbox **list, *mbox, *mboxblk;
+	struct omap_mbox_pdata *pdata = pdev->dev.platform_data;
+	struct omap_mbox_dev_info *info;
+	struct omap_mbox_device *mdev;
+	struct omap_mbox_fifo *fifo;
+	u32 intr_type;
+	u32 l;
+	int i;
+
+	if (!pdata || !pdata->info_cnt || !pdata->info) {
+		pr_err("%s: platform not supported\n", __func__);
+		return -ENODEV;
+	}
+
+	mdev = devm_kzalloc(&pdev->dev, sizeof(*mdev), GFP_KERNEL);
+	if (!mdev)
+		return -ENOMEM;
+
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	mdev->mbox_base = devm_ioremap_resource(&pdev->dev, mem);
+	if (IS_ERR(mdev->mbox_base))
+		return PTR_ERR(mdev->mbox_base);
+
+	/* allocate one extra for marking end of list */
+	list = devm_kzalloc(&pdev->dev, (pdata->info_cnt + 1) * sizeof(*list),
+			    GFP_KERNEL);
+	if (!list)
+		return -ENOMEM;
+
+	mboxblk = devm_kzalloc(&pdev->dev, pdata->info_cnt * sizeof(*mbox),
+			       GFP_KERNEL);
+	if (!mboxblk)
+		return -ENOMEM;
+
+	info = pdata->info;
+	intr_type = pdata->intr_type;
+	mbox = mboxblk;
+	for (i = 0; i < pdata->info_cnt; i++, info++) {
+		fifo = &mbox->tx_fifo;
+		fifo->msg = MAILBOX_MESSAGE(info->tx_id);
+		fifo->fifo_stat = MAILBOX_FIFOSTATUS(info->tx_id);
+		fifo->intr_bit = MAILBOX_IRQ_NOTFULL(info->tx_id);
+		fifo->irqenable = MAILBOX_IRQENABLE(intr_type, info->usr_id);
+		fifo->irqstatus = MAILBOX_IRQSTATUS(intr_type, info->usr_id);
+		fifo->irqdisable = MAILBOX_IRQDISABLE(intr_type, info->usr_id);
+
+		fifo = &mbox->rx_fifo;
+		fifo->msg =  MAILBOX_MESSAGE(info->rx_id);
+		fifo->msg_stat =  MAILBOX_MSGSTATUS(info->rx_id);
+		fifo->intr_bit = MAILBOX_IRQ_NEWMSG(info->rx_id);
+		fifo->irqenable = MAILBOX_IRQENABLE(intr_type, info->usr_id);
+		fifo->irqstatus = MAILBOX_IRQSTATUS(intr_type, info->usr_id);
+		fifo->irqdisable = MAILBOX_IRQDISABLE(intr_type, info->usr_id);
+
+		mbox->intr_type = intr_type;
+
+		mbox->parent = mdev;
+		mbox->name = info->name;
+		mbox->irq = platform_get_irq(pdev, info->irq_id);
+		if (mbox->irq < 0)
+			return mbox->irq;
+		list[i] = mbox++;
+	}
+
+	mutex_init(&mdev->cfg_lock);
+	mdev->dev = &pdev->dev;
+	mdev->num_users = pdata->num_users;
+	mdev->num_fifos = pdata->num_fifos;
+	mdev->mboxes = list;
+	ret = omap_mbox_register(mdev);
+	if (ret)
+		return ret;
+
+	platform_set_drvdata(pdev, mdev);
+	pm_runtime_enable(mdev->dev);
+
+	ret = pm_runtime_get_sync(mdev->dev);
+	if (ret < 0) {
+		pm_runtime_put_noidle(mdev->dev);
+		goto unregister;
+	}
+
+	/*
+	 * just print the raw revision register, the format is not
+	 * uniform across all SoCs
+	 */
+	l = mbox_read_reg(mdev, MAILBOX_REVISION);
+	dev_info(mdev->dev, "omap mailbox rev 0x%x\n", l);
+
+	ret = pm_runtime_put_sync(mdev->dev);
+	if (ret < 0)
+		goto unregister;
+
+	return 0;
+
+unregister:
+	pm_runtime_disable(mdev->dev);
+	omap_mbox_unregister(mdev);
+	return ret;
+}
+
+static int omap_mbox_remove(struct platform_device *pdev)
+{
+	struct omap_mbox_device *mdev = platform_get_drvdata(pdev);
+
+	pm_runtime_disable(mdev->dev);
+	omap_mbox_unregister(mdev);
+
+	return 0;
+}
+
+static struct platform_driver omap_mbox_driver = {
+	.probe	= omap_mbox_probe,
+	.remove	= omap_mbox_remove,
+	.driver	= {
+		.name = "omap-mailbox",
+		.owner = THIS_MODULE,
+	},
+};
 
 static int __init omap_mbox_init(void)
 {
@@ -453,12 +724,13 @@ static int __init omap_mbox_init(void)
 	mbox_kfifo_size = max_t(unsigned int, mbox_kfifo_size,
 							sizeof(mbox_msg_t));
 
-	return 0;
+	return platform_driver_register(&omap_mbox_driver);
 }
 subsys_initcall(omap_mbox_init);
 
 static void __exit omap_mbox_exit(void)
 {
+	platform_driver_unregister(&omap_mbox_driver);
 	class_unregister(&omap_mbox_class);
 }
 module_exit(omap_mbox_exit);
diff --git a/drivers/mailbox/omap-mbox.h b/drivers/mailbox/omap-mbox.h
deleted file mode 100644
index 86d7518cd13b..000000000000
--- a/drivers/mailbox/omap-mbox.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * omap-mbox.h: OMAP mailbox internal definitions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef OMAP_MBOX_H
-#define OMAP_MBOX_H
-
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/kfifo.h>
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/omap-mailbox.h>
-
-typedef int __bitwise omap_mbox_type_t;
-#define OMAP_MBOX_TYPE1 ((__force omap_mbox_type_t) 1)
-#define OMAP_MBOX_TYPE2 ((__force omap_mbox_type_t) 2)
-
-struct omap_mbox_ops {
-	omap_mbox_type_t	type;
-	int		(*startup)(struct omap_mbox *mbox);
-	void		(*shutdown)(struct omap_mbox *mbox);
-	/* fifo */
-	mbox_msg_t	(*fifo_read)(struct omap_mbox *mbox);
-	void		(*fifo_write)(struct omap_mbox *mbox, mbox_msg_t msg);
-	int		(*fifo_empty)(struct omap_mbox *mbox);
-	int		(*fifo_full)(struct omap_mbox *mbox);
-	/* irq */
-	void		(*enable_irq)(struct omap_mbox *mbox,
-						omap_mbox_irq_t irq);
-	void		(*disable_irq)(struct omap_mbox *mbox,
-						omap_mbox_irq_t irq);
-	void		(*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
-	int		(*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
-	/* ctx */
-	void		(*save_ctx)(struct omap_mbox *mbox);
-	void		(*restore_ctx)(struct omap_mbox *mbox);
-};
-
-struct omap_mbox_queue {
-	spinlock_t		lock;
-	struct kfifo		fifo;
-	struct work_struct	work;
-	struct tasklet_struct	tasklet;
-	struct omap_mbox	*mbox;
-	bool full;
-};
-
-struct omap_mbox {
-	const char		*name;
-	int			irq;
-	struct omap_mbox_queue	*txq, *rxq;
-	struct omap_mbox_ops	*ops;
-	struct device		*dev;
-	void			*priv;
-	int			use_count;
-	struct blocking_notifier_head	notifier;
-};
-
-int omap_mbox_register(struct device *parent, struct omap_mbox **);
-int omap_mbox_unregister(void);
-
-#endif /* OMAP_MBOX_H */
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index ee9402324a23..b841180c7c74 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -51,16 +51,6 @@ config AD525X_DPOT_SPI
 	  To compile this driver as a module, choose M here: the
 	  module will be called ad525x_dpot-spi.
 
-config ATMEL_PWM
-	tristate "Atmel AT32/AT91 PWM support"
-	depends on HAVE_CLK
-	depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
-	help
-	  This option enables device driver support for the PWM channels
-	  on certain Atmel processors.  Pulse Width Modulation is used for
-	  purposes including software controlled power-efficient backlights
-	  on LCD displays, motor control, and waveform generation.
-
 config ATMEL_TCLIB
 	bool "Atmel AT32/AT91 Timer/Counter Library"
 	depends on (AVR32 || ARCH_AT91)
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index d59ce1261b38..5497d026e651 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -7,7 +7,6 @@ obj-$(CONFIG_AD525X_DPOT)	+= ad525x_dpot.o
 obj-$(CONFIG_AD525X_DPOT_I2C)	+= ad525x_dpot-i2c.o
 obj-$(CONFIG_AD525X_DPOT_SPI)	+= ad525x_dpot-spi.o
 obj-$(CONFIG_INTEL_MID_PTI)	+= pti.o
-obj-$(CONFIG_ATMEL_PWM)		+= atmel_pwm.o
 obj-$(CONFIG_ATMEL_SSC)		+= atmel-ssc.o
 obj-$(CONFIG_ATMEL_TCLIB)	+= atmel_tclib.o
 obj-$(CONFIG_BMP085)		+= bmp085.o
diff --git a/drivers/misc/atmel_pwm.c b/drivers/misc/atmel_pwm.c
deleted file mode 100644
index a6dc56e1bc58..000000000000
--- a/drivers/misc/atmel_pwm.c
+++ /dev/null
@@ -1,402 +0,0 @@
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/atmel_pwm.h>
-
-
-/*
- * This is a simple driver for the PWM controller found in various newer
- * Atmel SOCs, including the AVR32 series and the AT91sam9263.
- *
- * Chips with current Linux ports have only 4 PWM channels, out of max 32.
- * AT32UC3A and AT32UC3B chips have 7 channels (but currently no Linux).
- * Docs are inconsistent about the width of the channel counter registers;
- * it's at least 16 bits, but several places say 20 bits.
- */
-#define	PWM_NCHAN	4		/* max 32 */
-
-struct pwm {
-	spinlock_t		lock;
-	struct platform_device	*pdev;
-	u32			mask;
-	int			irq;
-	void __iomem		*base;
-	struct clk		*clk;
-	struct pwm_channel	*channel[PWM_NCHAN];
-	void			(*handler[PWM_NCHAN])(struct pwm_channel *);
-};
-
-
-/* global PWM controller registers */
-#define PWM_MR		0x00
-#define PWM_ENA		0x04
-#define PWM_DIS		0x08
-#define PWM_SR		0x0c
-#define PWM_IER		0x10
-#define PWM_IDR		0x14
-#define PWM_IMR		0x18
-#define PWM_ISR		0x1c
-
-static inline void pwm_writel(const struct pwm *p, unsigned offset, u32 val)
-{
-	__raw_writel(val, p->base + offset);
-}
-
-static inline u32 pwm_readl(const struct pwm *p, unsigned offset)
-{
-	return __raw_readl(p->base + offset);
-}
-
-static inline void __iomem *pwmc_regs(const struct pwm *p, int index)
-{
-	return p->base + 0x200 + index * 0x20;
-}
-
-static struct pwm *pwm;
-
-static void pwm_dumpregs(struct pwm_channel *ch, char *tag)
-{
-	struct device	*dev = &pwm->pdev->dev;
-
-	dev_dbg(dev, "%s: mr %08x, sr %08x, imr %08x\n",
-		tag,
-		pwm_readl(pwm, PWM_MR),
-		pwm_readl(pwm, PWM_SR),
-		pwm_readl(pwm, PWM_IMR));
-	dev_dbg(dev,
-		"pwm ch%d - mr %08x, dty %u, prd %u, cnt %u\n",
-		ch->index,
-		pwm_channel_readl(ch, PWM_CMR),
-		pwm_channel_readl(ch, PWM_CDTY),
-		pwm_channel_readl(ch, PWM_CPRD),
-		pwm_channel_readl(ch, PWM_CCNT));
-}
-
-
-/**
- * pwm_channel_alloc - allocate an unused PWM channel
- * @index: identifies the channel
- * @ch: structure to be initialized
- *
- * Drivers allocate PWM channels according to the board's wiring, and
- * matching board-specific setup code.  Returns zero or negative errno.
- */
-int pwm_channel_alloc(int index, struct pwm_channel *ch)
-{
-	unsigned long	flags;
-	int		status = 0;
-
-	if (!pwm)
-		return -EPROBE_DEFER;
-
-	if (!(pwm->mask & 1 << index))
-		return -ENODEV;
-
-	if (index < 0 || index >= PWM_NCHAN || !ch)
-		return -EINVAL;
-	memset(ch, 0, sizeof *ch);
-
-	spin_lock_irqsave(&pwm->lock, flags);
-	if (pwm->channel[index])
-		status = -EBUSY;
-	else {
-		clk_enable(pwm->clk);
-
-		ch->regs = pwmc_regs(pwm, index);
-		ch->index = index;
-
-		/* REVISIT: ap7000 seems to go 2x as fast as we expect!! */
-		ch->mck = clk_get_rate(pwm->clk);
-
-		pwm->channel[index] = ch;
-		pwm->handler[index] = NULL;
-
-		/* channel and irq are always disabled when we return */
-		pwm_writel(pwm, PWM_DIS, 1 << index);
-		pwm_writel(pwm, PWM_IDR, 1 << index);
-	}
-	spin_unlock_irqrestore(&pwm->lock, flags);
-	return status;
-}
-EXPORT_SYMBOL(pwm_channel_alloc);
-
-static int pwmcheck(struct pwm_channel *ch)
-{
-	int		index;
-
-	if (!pwm)
-		return -ENODEV;
-	if (!ch)
-		return -EINVAL;
-	index = ch->index;
-	if (index < 0 || index >= PWM_NCHAN || pwm->channel[index] != ch)
-		return -EINVAL;
-
-	return index;
-}
-
-/**
- * pwm_channel_free - release a previously allocated channel
- * @ch: the channel being released
- *
- * The channel is completely shut down (counter and IRQ disabled),
- * and made available for re-use.  Returns zero, or negative errno.
- */
-int pwm_channel_free(struct pwm_channel *ch)
-{
-	unsigned long	flags;
-	int		t;
-
-	spin_lock_irqsave(&pwm->lock, flags);
-	t = pwmcheck(ch);
-	if (t >= 0) {
-		pwm->channel[t] = NULL;
-		pwm->handler[t] = NULL;
-
-		/* channel and irq are always disabled when we return */
-		pwm_writel(pwm, PWM_DIS, 1 << t);
-		pwm_writel(pwm, PWM_IDR, 1 << t);
-
-		clk_disable(pwm->clk);
-		t = 0;
-	}
-	spin_unlock_irqrestore(&pwm->lock, flags);
-	return t;
-}
-EXPORT_SYMBOL(pwm_channel_free);
-
-int __pwm_channel_onoff(struct pwm_channel *ch, int enabled)
-{
-	unsigned long	flags;
-	int		t;
-
-	/* OMITTED FUNCTIONALITY:  starting several channels in synch */
-
-	spin_lock_irqsave(&pwm->lock, flags);
-	t = pwmcheck(ch);
-	if (t >= 0) {
-		pwm_writel(pwm, enabled ? PWM_ENA : PWM_DIS, 1 << t);
-		t = 0;
-		pwm_dumpregs(ch, enabled ? "enable" : "disable");
-	}
-	spin_unlock_irqrestore(&pwm->lock, flags);
-
-	return t;
-}
-EXPORT_SYMBOL(__pwm_channel_onoff);
-
-/**
- * pwm_clk_alloc - allocate and configure CLKA or CLKB
- * @prescale: from 0..10, the power of two used to divide MCK
- * @div: from 1..255, the linear divisor to use
- *
- * Returns PWM_CPR_CLKA, PWM_CPR_CLKB, or negative errno.  The allocated
- * clock will run with a period of (2^prescale * div) / MCK, or twice as
- * long if center aligned PWM output is used.  The clock must later be
- * deconfigured using pwm_clk_free().
- */
-int pwm_clk_alloc(unsigned prescale, unsigned div)
-{
-	unsigned long	flags;
-	u32		mr;
-	u32		val = (prescale << 8) | div;
-	int		ret = -EBUSY;
-
-	if (prescale >= 10 || div == 0 || div > 255)
-		return -EINVAL;
-
-	spin_lock_irqsave(&pwm->lock, flags);
-	mr = pwm_readl(pwm, PWM_MR);
-	if ((mr & 0xffff) == 0) {
-		mr |= val;
-		ret = PWM_CPR_CLKA;
-	} else if ((mr & (0xffff << 16)) == 0) {
-		mr |= val << 16;
-		ret = PWM_CPR_CLKB;
-	}
-	if (ret > 0)
-		pwm_writel(pwm, PWM_MR, mr);
-	spin_unlock_irqrestore(&pwm->lock, flags);
-	return ret;
-}
-EXPORT_SYMBOL(pwm_clk_alloc);
-
-/**
- * pwm_clk_free - deconfigure and release CLKA or CLKB
- *
- * Reverses the effect of pwm_clk_alloc().
- */
-void pwm_clk_free(unsigned clk)
-{
-	unsigned long	flags;
-	u32		mr;
-
-	spin_lock_irqsave(&pwm->lock, flags);
-	mr = pwm_readl(pwm, PWM_MR);
-	if (clk == PWM_CPR_CLKA)
-		pwm_writel(pwm, PWM_MR, mr & ~(0xffff << 0));
-	if (clk == PWM_CPR_CLKB)
-		pwm_writel(pwm, PWM_MR, mr & ~(0xffff << 16));
-	spin_unlock_irqrestore(&pwm->lock, flags);
-}
-EXPORT_SYMBOL(pwm_clk_free);
-
-/**
- * pwm_channel_handler - manage channel's IRQ handler
- * @ch: the channel
- * @handler: the handler to use, possibly NULL
- *
- * If the handler is non-null, the handler will be called after every
- * period of this PWM channel.  If the handler is null, this channel
- * won't generate an IRQ.
- */
-int pwm_channel_handler(struct pwm_channel *ch,
-		void (*handler)(struct pwm_channel *ch))
-{
-	unsigned long	flags;
-	int		t;
-
-	spin_lock_irqsave(&pwm->lock, flags);
-	t = pwmcheck(ch);
-	if (t >= 0) {
-		pwm->handler[t] = handler;
-		pwm_writel(pwm, handler ? PWM_IER : PWM_IDR, 1 << t);
-		t = 0;
-	}
-	spin_unlock_irqrestore(&pwm->lock, flags);
-
-	return t;
-}
-EXPORT_SYMBOL(pwm_channel_handler);
-
-static irqreturn_t pwm_irq(int id, void *_pwm)
-{
-	struct pwm	*p = _pwm;
-	irqreturn_t	handled = IRQ_NONE;
-	u32		irqstat;
-	int		index;
-
-	spin_lock(&p->lock);
-
-	/* ack irqs, then handle them */
-	irqstat = pwm_readl(pwm, PWM_ISR);
-
-	while (irqstat) {
-		struct pwm_channel *ch;
-		void (*handler)(struct pwm_channel *ch);
-
-		index = ffs(irqstat) - 1;
-		irqstat &= ~(1 << index);
-		ch = pwm->channel[index];
-		handler = pwm->handler[index];
-		if (handler && ch) {
-			spin_unlock(&p->lock);
-			handler(ch);
-			spin_lock(&p->lock);
-			handled = IRQ_HANDLED;
-		}
-	}
-
-	spin_unlock(&p->lock);
-	return handled;
-}
-
-static int __init pwm_probe(struct platform_device *pdev)
-{
-	struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	int irq = platform_get_irq(pdev, 0);
-	u32 *mp = pdev->dev.platform_data;
-	struct pwm *p;
-	int status = -EIO;
-
-	if (pwm)
-		return -EBUSY;
-	if (!r || irq < 0 || !mp || !*mp)
-		return -ENODEV;
-	if (*mp & ~((1<<PWM_NCHAN)-1)) {
-		dev_warn(&pdev->dev, "mask 0x%x ... more than %d channels\n",
-			*mp, PWM_NCHAN);
-		return -EINVAL;
-	}
-
-	p = kzalloc(sizeof(*p), GFP_KERNEL);
-	if (!p)
-		return -ENOMEM;
-
-	spin_lock_init(&p->lock);
-	p->pdev = pdev;
-	p->mask = *mp;
-	p->irq = irq;
-	p->base = ioremap(r->start, resource_size(r));
-	if (!p->base)
-		goto fail;
-	p->clk = clk_get(&pdev->dev, "pwm_clk");
-	if (IS_ERR(p->clk)) {
-		status = PTR_ERR(p->clk);
-		p->clk = NULL;
-		goto fail;
-	}
-
-	status = request_irq(irq, pwm_irq, 0, pdev->name, p);
-	if (status < 0)
-		goto fail;
-
-	pwm = p;
-	platform_set_drvdata(pdev, p);
-
-	return 0;
-
-fail:
-	if (p->clk)
-		clk_put(p->clk);
-	if (p->base)
-		iounmap(p->base);
-
-	kfree(p);
-	return status;
-}
-
-static int __exit pwm_remove(struct platform_device *pdev)
-{
-	struct pwm *p = platform_get_drvdata(pdev);
-
-	if (p != pwm)
-		return -EINVAL;
-
-	clk_enable(pwm->clk);
-	pwm_writel(pwm, PWM_DIS, (1 << PWM_NCHAN) - 1);
-	pwm_writel(pwm, PWM_IDR, (1 << PWM_NCHAN) - 1);
-	clk_disable(pwm->clk);
-
-	pwm = NULL;
-
-	free_irq(p->irq, p);
-	clk_put(p->clk);
-	iounmap(p->base);
-	kfree(p);
-
-	return 0;
-}
-
-static struct platform_driver atmel_pwm_driver = {
-	.driver = {
-		.name = "atmel_pwm",
-		.owner = THIS_MODULE,
-	},
-	.remove = __exit_p(pwm_remove),
-
-	/* NOTE: PWM can keep running in AVR32 "idle" and "frozen" states;
-	 * and all AT91sam9263 states, albeit at reduced clock rate if
-	 * MCK becomes the slow clock (i.e. what Linux labels STR).
-	 */
-};
-
-module_platform_driver_probe(atmel_pwm_driver, pwm_probe);
-
-MODULE_DESCRIPTION("Driver for AT32/AT91 PWM module");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:atmel_pwm");
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index 21df477be0c8..2d8a4d05d78f 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -46,4 +46,12 @@ config PCI_HOST_GENERIC
 	  Say Y here if you want to support a simple generic PCI host
 	  controller, such as the one emulated by kvmtool.
 
+config PCIE_SPEAR13XX
+	tristate "STMicroelectronics SPEAr PCIe controller"
+	depends on ARCH_SPEAR13XX
+	select PCIEPORTBUS
+	select PCIE_DW
+	help
+	  Say Y here if you want PCIe support on SPEAr13XX SoCs.
+
 endmenu
diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile
index 611ba4b48c94..0daec7941aba 100644
--- a/drivers/pci/host/Makefile
+++ b/drivers/pci/host/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_PCI_TEGRA) += pci-tegra.o
 obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
 obj-$(CONFIG_PCI_RCAR_GEN2_PCIE) += pcie-rcar.o
 obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o
+obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 60a7299e9632..abd65784618d 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -234,7 +234,6 @@ struct tegra_pcie_soc_data {
 	bool has_pex_clkreq_en;
 	bool has_pex_bias_ctrl;
 	bool has_intr_prsnt_sense;
-	bool has_avdd_supply;
 	bool has_cml_clk;
 };
 
@@ -273,9 +272,8 @@ struct tegra_pcie {
 	unsigned int num_ports;
 	u32 xbar_config;
 
-	struct regulator *pex_clk_supply;
-	struct regulator *vdd_supply;
-	struct regulator *avdd_supply;
+	struct regulator_bulk_data *supplies;
+	unsigned int num_supplies;
 
 	const struct tegra_pcie_soc_data *soc_data;
 };
@@ -895,7 +893,6 @@ static int tegra_pcie_enable_controller(struct tegra_pcie *pcie)
 
 static void tegra_pcie_power_off(struct tegra_pcie *pcie)
 {
-	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
 	int err;
 
 	/* TODO: disable and unprepare clocks? */
@@ -906,23 +903,9 @@ static void tegra_pcie_power_off(struct tegra_pcie *pcie)
 
 	tegra_powergate_power_off(TEGRA_POWERGATE_PCIE);
 
-	if (soc->has_avdd_supply) {
-		err = regulator_disable(pcie->avdd_supply);
-		if (err < 0)
-			dev_warn(pcie->dev,
-				 "failed to disable AVDD regulator: %d\n",
-				 err);
-	}
-
-	err = regulator_disable(pcie->pex_clk_supply);
+	err = regulator_bulk_disable(pcie->num_supplies, pcie->supplies);
 	if (err < 0)
-		dev_warn(pcie->dev, "failed to disable pex-clk regulator: %d\n",
-			 err);
-
-	err = regulator_disable(pcie->vdd_supply);
-	if (err < 0)
-		dev_warn(pcie->dev, "failed to disable VDD regulator: %d\n",
-			 err);
+		dev_warn(pcie->dev, "failed to disable regulators: %d\n", err);
 }
 
 static int tegra_pcie_power_on(struct tegra_pcie *pcie)
@@ -937,28 +920,9 @@ static int tegra_pcie_power_on(struct tegra_pcie *pcie)
 	tegra_powergate_power_off(TEGRA_POWERGATE_PCIE);
 
 	/* enable regulators */
-	err = regulator_enable(pcie->vdd_supply);
-	if (err < 0) {
-		dev_err(pcie->dev, "failed to enable VDD regulator: %d\n", err);
-		return err;
-	}
-
-	err = regulator_enable(pcie->pex_clk_supply);
-	if (err < 0) {
-		dev_err(pcie->dev, "failed to enable pex-clk regulator: %d\n",
-			err);
-		return err;
-	}
-
-	if (soc->has_avdd_supply) {
-		err = regulator_enable(pcie->avdd_supply);
-		if (err < 0) {
-			dev_err(pcie->dev,
-				"failed to enable AVDD regulator: %d\n",
-				err);
-			return err;
-		}
-	}
+	err = regulator_bulk_enable(pcie->num_supplies, pcie->supplies);
+	if (err < 0)
+		dev_err(pcie->dev, "failed to enable regulators: %d\n", err);
 
 	err = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_PCIE,
 						pcie->pex_clk,
@@ -1395,14 +1359,157 @@ static int tegra_pcie_get_xbar_config(struct tegra_pcie *pcie, u32 lanes,
 	return -EINVAL;
 }
 
+/*
+ * Check whether a given set of supplies is available in a device tree node.
+ * This is used to check whether the new or the legacy device tree bindings
+ * should be used.
+ */
+static bool of_regulator_bulk_available(struct device_node *np,
+					struct regulator_bulk_data *supplies,
+					unsigned int num_supplies)
+{
+	char property[32];
+	unsigned int i;
+
+	for (i = 0; i < num_supplies; i++) {
+		snprintf(property, 32, "%s-supply", supplies[i].supply);
+
+		if (of_find_property(np, property, NULL) == NULL)
+			return false;
+	}
+
+	return true;
+}
+
+/*
+ * Old versions of the device tree binding for this device used a set of power
+ * supplies that didn't match the hardware inputs. This happened to work for a
+ * number of cases but is not future proof. However to preserve backwards-
+ * compatibility with old device trees, this function will try to use the old
+ * set of supplies.
+ */
+static int tegra_pcie_get_legacy_regulators(struct tegra_pcie *pcie)
+{
+	struct device_node *np = pcie->dev->of_node;
+
+	if (of_device_is_compatible(np, "nvidia,tegra30-pcie"))
+		pcie->num_supplies = 3;
+	else if (of_device_is_compatible(np, "nvidia,tegra20-pcie"))
+		pcie->num_supplies = 2;
+
+	if (pcie->num_supplies == 0) {
+		dev_err(pcie->dev, "device %s not supported in legacy mode\n",
+			np->full_name);
+		return -ENODEV;
+	}
+
+	pcie->supplies = devm_kcalloc(pcie->dev, pcie->num_supplies,
+				      sizeof(*pcie->supplies),
+				      GFP_KERNEL);
+	if (!pcie->supplies)
+		return -ENOMEM;
+
+	pcie->supplies[0].supply = "pex-clk";
+	pcie->supplies[1].supply = "vdd";
+
+	if (pcie->num_supplies > 2)
+		pcie->supplies[2].supply = "avdd";
+
+	return devm_regulator_bulk_get(pcie->dev, pcie->num_supplies,
+				       pcie->supplies);
+}
+
+/*
+ * Obtains the list of regulators required for a particular generation of the
+ * IP block.
+ *
+ * This would've been nice to do simply by providing static tables for use
+ * with the regulator_bulk_*() API, but unfortunately Tegra30 is a bit quirky
+ * in that it has two pairs or AVDD_PEX and VDD_PEX supplies (PEXA and PEXB)
+ * and either seems to be optional depending on which ports are being used.
+ */
+static int tegra_pcie_get_regulators(struct tegra_pcie *pcie, u32 lane_mask)
+{
+	struct device_node *np = pcie->dev->of_node;
+	unsigned int i = 0;
+
+	if (of_device_is_compatible(np, "nvidia,tegra30-pcie")) {
+		bool need_pexa = false, need_pexb = false;
+
+		/* VDD_PEXA and AVDD_PEXA supply lanes 0 to 3 */
+		if (lane_mask & 0x0f)
+			need_pexa = true;
+
+		/* VDD_PEXB and AVDD_PEXB supply lanes 4 to 5 */
+		if (lane_mask & 0x30)
+			need_pexb = true;
+
+		pcie->num_supplies = 4 + (need_pexa ? 2 : 0) +
+					 (need_pexb ? 2 : 0);
+
+		pcie->supplies = devm_kcalloc(pcie->dev, pcie->num_supplies,
+					      sizeof(*pcie->supplies),
+					      GFP_KERNEL);
+		if (!pcie->supplies)
+			return -ENOMEM;
+
+		pcie->supplies[i++].supply = "avdd-pex-pll";
+		pcie->supplies[i++].supply = "hvdd-pex";
+		pcie->supplies[i++].supply = "vddio-pex-ctl";
+		pcie->supplies[i++].supply = "avdd-plle";
+
+		if (need_pexa) {
+			pcie->supplies[i++].supply = "avdd-pexa";
+			pcie->supplies[i++].supply = "vdd-pexa";
+		}
+
+		if (need_pexb) {
+			pcie->supplies[i++].supply = "avdd-pexb";
+			pcie->supplies[i++].supply = "vdd-pexb";
+		}
+	} else if (of_device_is_compatible(np, "nvidia,tegra20-pcie")) {
+		pcie->num_supplies = 5;
+
+		pcie->supplies = devm_kcalloc(pcie->dev, pcie->num_supplies,
+					      sizeof(*pcie->supplies),
+					      GFP_KERNEL);
+		if (!pcie->supplies)
+			return -ENOMEM;
+
+		pcie->supplies[0].supply = "avdd-pex";
+		pcie->supplies[1].supply = "vdd-pex";
+		pcie->supplies[2].supply = "avdd-pex-pll";
+		pcie->supplies[3].supply = "avdd-plle";
+		pcie->supplies[4].supply = "vddio-pex-clk";
+	}
+
+	if (of_regulator_bulk_available(pcie->dev->of_node, pcie->supplies,
+					pcie->num_supplies))
+		return devm_regulator_bulk_get(pcie->dev, pcie->num_supplies,
+					       pcie->supplies);
+
+	/*
+	 * If not all regulators are available for this new scheme, assume
+	 * that the device tree complies with an older version of the device
+	 * tree binding.
+	 */
+	dev_info(pcie->dev, "using legacy DT binding for power supplies\n");
+
+	devm_kfree(pcie->dev, pcie->supplies);
+	pcie->num_supplies = 0;
+
+	return tegra_pcie_get_legacy_regulators(pcie);
+}
+
 static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 {
 	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
 	struct device_node *np = pcie->dev->of_node, *port;
 	struct of_pci_range_parser parser;
 	struct of_pci_range range;
+	u32 lanes = 0, mask = 0;
+	unsigned int lane = 0;
 	struct resource res;
-	u32 lanes = 0;
 	int err;
 
 	if (of_pci_range_parser_init(&parser, np)) {
@@ -1410,20 +1517,6 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		return -EINVAL;
 	}
 
-	pcie->vdd_supply = devm_regulator_get(pcie->dev, "vdd");
-	if (IS_ERR(pcie->vdd_supply))
-		return PTR_ERR(pcie->vdd_supply);
-
-	pcie->pex_clk_supply = devm_regulator_get(pcie->dev, "pex-clk");
-	if (IS_ERR(pcie->pex_clk_supply))
-		return PTR_ERR(pcie->pex_clk_supply);
-
-	if (soc->has_avdd_supply) {
-		pcie->avdd_supply = devm_regulator_get(pcie->dev, "avdd");
-		if (IS_ERR(pcie->avdd_supply))
-			return PTR_ERR(pcie->avdd_supply);
-	}
-
 	for_each_of_pci_range(&parser, &range) {
 		of_pci_range_to_resource(&range, np, &res);
 
@@ -1491,8 +1584,13 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 
 		lanes |= value << (index << 3);
 
-		if (!of_device_is_available(port))
+		if (!of_device_is_available(port)) {
+			lane += value;
 			continue;
+		}
+
+		mask |= ((1 << value) - 1) << lane;
+		lane += value;
 
 		rp = devm_kzalloc(pcie->dev, sizeof(*rp), GFP_KERNEL);
 		if (!rp)
@@ -1523,6 +1621,10 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		return err;
 	}
 
+	err = tegra_pcie_get_regulators(pcie, mask);
+	if (err < 0)
+		return err;
+
 	return 0;
 }
 
@@ -1616,7 +1718,6 @@ static const struct tegra_pcie_soc_data tegra20_pcie_data = {
 	.has_pex_clkreq_en = false,
 	.has_pex_bias_ctrl = false,
 	.has_intr_prsnt_sense = false,
-	.has_avdd_supply = false,
 	.has_cml_clk = false,
 };
 
@@ -1628,7 +1729,6 @@ static const struct tegra_pcie_soc_data tegra30_pcie_data = {
 	.has_pex_clkreq_en = true,
 	.has_pex_bias_ctrl = true,
 	.has_intr_prsnt_sense = true,
-	.has_avdd_supply = true,
 	.has_cml_clk = true,
 };
 
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
new file mode 100644
index 000000000000..6dea9e43a75c
--- /dev/null
+++ b/drivers/pci/host/pcie-spear13xx.c
@@ -0,0 +1,393 @@
+/*
+ * PCIe host controller driver for ST Microelectronics SPEAr13xx SoCs
+ *
+ * SPEAr13xx PCIe Glue Layer Source Code
+ *
+ * Copyright (C) 2010-2014 ST Microelectronics
+ * Pratyush Anand <pratyush.anand@st.com>
+ * Mohit Kumar <mohit.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/pci.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/resource.h>
+
+#include "pcie-designware.h"
+
+struct spear13xx_pcie {
+	void __iomem		*app_base;
+	struct phy		*phy;
+	struct clk		*clk;
+	struct pcie_port	pp;
+	bool			is_gen1;
+};
+
+struct pcie_app_reg {
+	u32	app_ctrl_0;		/* cr0 */
+	u32	app_ctrl_1;		/* cr1 */
+	u32	app_status_0;		/* cr2 */
+	u32	app_status_1;		/* cr3 */
+	u32	msg_status;		/* cr4 */
+	u32	msg_payload;		/* cr5 */
+	u32	int_sts;		/* cr6 */
+	u32	int_clr;		/* cr7 */
+	u32	int_mask;		/* cr8 */
+	u32	mst_bmisc;		/* cr9 */
+	u32	phy_ctrl;		/* cr10 */
+	u32	phy_status;		/* cr11 */
+	u32	cxpl_debug_info_0;	/* cr12 */
+	u32	cxpl_debug_info_1;	/* cr13 */
+	u32	ven_msg_ctrl_0;		/* cr14 */
+	u32	ven_msg_ctrl_1;		/* cr15 */
+	u32	ven_msg_data_0;		/* cr16 */
+	u32	ven_msg_data_1;		/* cr17 */
+	u32	ven_msi_0;		/* cr18 */
+	u32	ven_msi_1;		/* cr19 */
+	u32	mst_rmisc;		/* cr20 */
+};
+
+/* CR0 ID */
+#define RX_LANE_FLIP_EN_ID			0
+#define TX_LANE_FLIP_EN_ID			1
+#define SYS_AUX_PWR_DET_ID			2
+#define APP_LTSSM_ENABLE_ID			3
+#define SYS_ATTEN_BUTTON_PRESSED_ID		4
+#define SYS_MRL_SENSOR_STATE_ID			5
+#define SYS_PWR_FAULT_DET_ID			6
+#define SYS_MRL_SENSOR_CHGED_ID			7
+#define SYS_PRE_DET_CHGED_ID			8
+#define SYS_CMD_CPLED_INT_ID			9
+#define APP_INIT_RST_0_ID			11
+#define APP_REQ_ENTR_L1_ID			12
+#define APP_READY_ENTR_L23_ID			13
+#define APP_REQ_EXIT_L1_ID			14
+#define DEVICE_TYPE_EP				(0 << 25)
+#define DEVICE_TYPE_LEP				(1 << 25)
+#define DEVICE_TYPE_RC				(4 << 25)
+#define SYS_INT_ID				29
+#define MISCTRL_EN_ID				30
+#define REG_TRANSLATION_ENABLE			31
+
+/* CR1 ID */
+#define APPS_PM_XMT_TURNOFF_ID			2
+#define APPS_PM_XMT_PME_ID			5
+
+/* CR3 ID */
+#define XMLH_LTSSM_STATE_DETECT_QUIET		0x00
+#define XMLH_LTSSM_STATE_DETECT_ACT		0x01
+#define XMLH_LTSSM_STATE_POLL_ACTIVE		0x02
+#define XMLH_LTSSM_STATE_POLL_COMPLIANCE	0x03
+#define XMLH_LTSSM_STATE_POLL_CONFIG		0x04
+#define XMLH_LTSSM_STATE_PRE_DETECT_QUIET	0x05
+#define XMLH_LTSSM_STATE_DETECT_WAIT		0x06
+#define XMLH_LTSSM_STATE_CFG_LINKWD_START	0x07
+#define XMLH_LTSSM_STATE_CFG_LINKWD_ACEPT	0x08
+#define XMLH_LTSSM_STATE_CFG_LANENUM_WAIT	0x09
+#define XMLH_LTSSM_STATE_CFG_LANENUM_ACEPT	0x0A
+#define XMLH_LTSSM_STATE_CFG_COMPLETE		0x0B
+#define XMLH_LTSSM_STATE_CFG_IDLE		0x0C
+#define XMLH_LTSSM_STATE_RCVRY_LOCK		0x0D
+#define XMLH_LTSSM_STATE_RCVRY_SPEED		0x0E
+#define XMLH_LTSSM_STATE_RCVRY_RCVRCFG		0x0F
+#define XMLH_LTSSM_STATE_RCVRY_IDLE		0x10
+#define XMLH_LTSSM_STATE_L0			0x11
+#define XMLH_LTSSM_STATE_L0S			0x12
+#define XMLH_LTSSM_STATE_L123_SEND_EIDLE	0x13
+#define XMLH_LTSSM_STATE_L1_IDLE		0x14
+#define XMLH_LTSSM_STATE_L2_IDLE		0x15
+#define XMLH_LTSSM_STATE_L2_WAKE		0x16
+#define XMLH_LTSSM_STATE_DISABLED_ENTRY		0x17
+#define XMLH_LTSSM_STATE_DISABLED_IDLE		0x18
+#define XMLH_LTSSM_STATE_DISABLED		0x19
+#define XMLH_LTSSM_STATE_LPBK_ENTRY		0x1A
+#define XMLH_LTSSM_STATE_LPBK_ACTIVE		0x1B
+#define XMLH_LTSSM_STATE_LPBK_EXIT		0x1C
+#define XMLH_LTSSM_STATE_LPBK_EXIT_TIMEOUT	0x1D
+#define XMLH_LTSSM_STATE_HOT_RESET_ENTRY	0x1E
+#define XMLH_LTSSM_STATE_HOT_RESET		0x1F
+#define XMLH_LTSSM_STATE_MASK			0x3F
+#define XMLH_LINK_UP				(1 << 6)
+
+/* CR4 ID */
+#define CFG_MSI_EN_ID				18
+
+/* CR6 */
+#define INTA_CTRL_INT				(1 << 7)
+#define INTB_CTRL_INT				(1 << 8)
+#define INTC_CTRL_INT				(1 << 9)
+#define INTD_CTRL_INT				(1 << 10)
+#define MSI_CTRL_INT				(1 << 26)
+
+/* CR19 ID */
+#define VEN_MSI_REQ_ID				11
+#define VEN_MSI_FUN_NUM_ID			8
+#define VEN_MSI_TC_ID				5
+#define VEN_MSI_VECTOR_ID			0
+#define VEN_MSI_REQ_EN		((u32)0x1 << VEN_MSI_REQ_ID)
+#define VEN_MSI_FUN_NUM_MASK	((u32)0x7 << VEN_MSI_FUN_NUM_ID)
+#define VEN_MSI_TC_MASK		((u32)0x7 << VEN_MSI_TC_ID)
+#define VEN_MSI_VECTOR_MASK	((u32)0x1F << VEN_MSI_VECTOR_ID)
+
+#define EXP_CAP_ID_OFFSET			0x70
+
+#define to_spear13xx_pcie(x)	container_of(x, struct spear13xx_pcie, pp)
+
+static int spear13xx_pcie_establish_link(struct pcie_port *pp)
+{
+	u32 val;
+	int count = 0;
+	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);
+	struct pcie_app_reg *app_reg = spear13xx_pcie->app_base;
+	u32 exp_cap_off = EXP_CAP_ID_OFFSET;
+
+	if (dw_pcie_link_up(pp)) {
+		dev_err(pp->dev, "link already up\n");
+		return 0;
+	}
+
+	dw_pcie_setup_rc(pp);
+
+	/*
+	 * this controller support only 128 bytes read size, however its
+	 * default value in capability register is 512 bytes. So force
+	 * it to 128 here.
+	 */
+	dw_pcie_cfg_read(pp->dbi_base, exp_cap_off + PCI_EXP_DEVCTL, 4, &val);
+	val &= ~PCI_EXP_DEVCTL_READRQ;
+	dw_pcie_cfg_write(pp->dbi_base, exp_cap_off + PCI_EXP_DEVCTL, 4, val);
+
+	dw_pcie_cfg_write(pp->dbi_base, PCI_VENDOR_ID, 2, 0x104A);
+	dw_pcie_cfg_write(pp->dbi_base, PCI_DEVICE_ID, 2, 0xCD80);
+
+	/*
+	 * if is_gen1 is set then handle it, so that some buggy card
+	 * also works
+	 */
+	if (spear13xx_pcie->is_gen1) {
+		dw_pcie_cfg_read(pp->dbi_base, exp_cap_off + PCI_EXP_LNKCAP, 4,
+				 &val);
+		if ((val & PCI_EXP_LNKCAP_SLS) != PCI_EXP_LNKCAP_SLS_2_5GB) {
+			val &= ~((u32)PCI_EXP_LNKCAP_SLS);
+			val |= PCI_EXP_LNKCAP_SLS_2_5GB;
+			dw_pcie_cfg_write(pp->dbi_base, exp_cap_off +
+					  PCI_EXP_LNKCAP, 4, val);
+		}
+
+		dw_pcie_cfg_read(pp->dbi_base, exp_cap_off + PCI_EXP_LNKCTL2, 4,
+				 &val);
+		if ((val & PCI_EXP_LNKCAP_SLS) != PCI_EXP_LNKCAP_SLS_2_5GB) {
+			val &= ~((u32)PCI_EXP_LNKCAP_SLS);
+			val |= PCI_EXP_LNKCAP_SLS_2_5GB;
+			dw_pcie_cfg_write(pp->dbi_base, exp_cap_off +
+					  PCI_EXP_LNKCTL2, 4, val);
+		}
+	}
+
+	/* enable ltssm */
+	writel(DEVICE_TYPE_RC | (1 << MISCTRL_EN_ID)
+			| (1 << APP_LTSSM_ENABLE_ID)
+			| ((u32)1 << REG_TRANSLATION_ENABLE),
+			&app_reg->app_ctrl_0);
+
+	/* check if the link is up or not */
+	while (!dw_pcie_link_up(pp)) {
+		mdelay(100);
+		count++;
+		if (count == 10) {
+			dev_err(pp->dev, "link Fail\n");
+			return -EINVAL;
+		}
+	}
+	dev_info(pp->dev, "link up\n");
+
+	return 0;
+}
+
+static irqreturn_t spear13xx_pcie_irq_handler(int irq, void *arg)
+{
+	struct pcie_port *pp = arg;
+	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);
+	struct pcie_app_reg *app_reg = spear13xx_pcie->app_base;
+	unsigned int status;
+
+	status = readl(&app_reg->int_sts);
+
+	if (status & MSI_CTRL_INT) {
+		if (!IS_ENABLED(CONFIG_PCI_MSI))
+			BUG();
+		dw_handle_msi_irq(pp);
+	}
+
+	writel(status, &app_reg->int_clr);
+
+	return IRQ_HANDLED;
+}
+
+static void spear13xx_pcie_enable_interrupts(struct pcie_port *pp)
+{
+	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);
+	struct pcie_app_reg *app_reg = spear13xx_pcie->app_base;
+
+	/* Enable MSI interrupt */
+	if (IS_ENABLED(CONFIG_PCI_MSI)) {
+		dw_pcie_msi_init(pp);
+		writel(readl(&app_reg->int_mask) |
+				MSI_CTRL_INT, &app_reg->int_mask);
+	}
+}
+
+static int spear13xx_pcie_link_up(struct pcie_port *pp)
+{
+	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);
+	struct pcie_app_reg *app_reg = spear13xx_pcie->app_base;
+
+	if (readl(&app_reg->app_status_1) & XMLH_LINK_UP)
+		return 1;
+
+	return 0;
+}
+
+static void spear13xx_pcie_host_init(struct pcie_port *pp)
+{
+	spear13xx_pcie_establish_link(pp);
+	spear13xx_pcie_enable_interrupts(pp);
+}
+
+static struct pcie_host_ops spear13xx_pcie_host_ops = {
+	.link_up = spear13xx_pcie_link_up,
+	.host_init = spear13xx_pcie_host_init,
+};
+
+static int add_pcie_port(struct pcie_port *pp, struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	pp->irq = platform_get_irq(pdev, 0);
+	if (!pp->irq) {
+		dev_err(dev, "failed to get irq\n");
+		return -ENODEV;
+	}
+	ret = devm_request_irq(dev, pp->irq, spear13xx_pcie_irq_handler,
+			       IRQF_SHARED, "spear1340-pcie", pp);
+	if (ret) {
+		dev_err(dev, "failed to request irq %d\n", pp->irq);
+		return ret;
+	}
+
+	pp->root_bus_nr = -1;
+	pp->ops = &spear13xx_pcie_host_ops;
+
+	ret = dw_pcie_host_init(pp);
+	if (ret) {
+		dev_err(dev, "failed to initialize host\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int __init spear13xx_pcie_probe(struct platform_device *pdev)
+{
+	struct spear13xx_pcie *spear13xx_pcie;
+	struct pcie_port *pp;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = pdev->dev.of_node;
+	struct resource *dbi_base;
+	int ret;
+
+	spear13xx_pcie = devm_kzalloc(dev, sizeof(*spear13xx_pcie), GFP_KERNEL);
+	if (!spear13xx_pcie) {
+		dev_err(dev, "no memory for SPEAr13xx pcie\n");
+		return -ENOMEM;
+	}
+
+	spear13xx_pcie->phy = devm_phy_get(dev, "pcie-phy");
+	if (IS_ERR(spear13xx_pcie->phy)) {
+		ret = PTR_ERR(spear13xx_pcie->phy);
+		if (ret == -EPROBE_DEFER)
+			dev_info(dev, "probe deferred\n");
+		else
+			dev_err(dev, "couldn't get pcie-phy\n");
+		return ret;
+	}
+
+	phy_init(spear13xx_pcie->phy);
+
+	spear13xx_pcie->clk = devm_clk_get(dev, NULL);
+	if (IS_ERR(spear13xx_pcie->clk)) {
+		dev_err(dev, "couldn't get clk for pcie\n");
+		return PTR_ERR(spear13xx_pcie->clk);
+	}
+	ret = clk_prepare_enable(spear13xx_pcie->clk);
+	if (ret) {
+		dev_err(dev, "couldn't enable clk for pcie\n");
+		return ret;
+	}
+
+	pp = &spear13xx_pcie->pp;
+
+	pp->dev = dev;
+
+	dbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	pp->dbi_base = devm_ioremap_resource(dev, dbi_base);
+	if (IS_ERR(pp->dbi_base)) {
+		dev_err(dev, "couldn't remap dbi base %p\n", dbi_base);
+		ret = PTR_ERR(pp->dbi_base);
+		goto fail_clk;
+	}
+	spear13xx_pcie->app_base = pp->dbi_base + 0x2000;
+
+	if (of_property_read_bool(np, "st,pcie-is-gen1"))
+		spear13xx_pcie->is_gen1 = true;
+
+	ret = add_pcie_port(pp, pdev);
+	if (ret < 0)
+		goto fail_clk;
+
+	platform_set_drvdata(pdev, spear13xx_pcie);
+	return 0;
+
+fail_clk:
+	clk_disable_unprepare(spear13xx_pcie->clk);
+
+	return ret;
+}
+
+static const struct of_device_id spear13xx_pcie_of_match[] = {
+	{ .compatible = "st,spear1340-pcie", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, spear13xx_pcie_of_match);
+
+static struct platform_driver spear13xx_pcie_driver __initdata = {
+	.probe		= spear13xx_pcie_probe,
+	.driver = {
+		.name	= "spear-pcie",
+		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(spear13xx_pcie_of_match),
+	},
+};
+
+/* SPEAr13xx PCIe driver does not allow module unload */
+
+static int __init pcie_init(void)
+{
+	return platform_driver_register(&spear13xx_pcie_driver);
+}
+module_init(pcie_init);
+
+MODULE_DESCRIPTION("ST Microelectronics SPEAr13xx PCIe host controller driver");
+MODULE_AUTHOR("Pratyush Anand <pratyush.anand@st.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index d1f5fc924c93..0dd742719154 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -197,13 +197,6 @@ config PHY_EXYNOS5_USBDRD
 	  This driver provides PHY interface for USB 3.0 DRD controller
 	  present on Exynos5 SoC series.
 
-config PHY_XGENE
-	tristate "APM X-Gene 15Gbps PHY support"
-	depends on HAS_IOMEM && OF && (ARM64 || COMPILE_TEST)
-	select GENERIC_PHY
-	help
-	  This option enables support for APM X-Gene SoC multi-purpose PHY.
-
 config PHY_QCOM_APQ8064_SATA
 	tristate "Qualcomm APQ8064 SATA SerDes/PHY driver"
 	depends on ARCH_QCOM
@@ -218,4 +211,23 @@ config PHY_QCOM_IPQ806X_SATA
 	depends on OF
 	select GENERIC_PHY
 
+config PHY_ST_SPEAR1310_MIPHY
+	tristate "ST SPEAR1310-MIPHY driver"
+	select GENERIC_PHY
+	help
+	  Support for ST SPEAr1310 MIPHY which can be used for PCIe and SATA.
+
+config PHY_ST_SPEAR1340_MIPHY
+	tristate "ST SPEAR1340-MIPHY driver"
+	select GENERIC_PHY
+	help
+	  Support for ST SPEAr1340 MIPHY which can be used for PCIe and SATA.
+
+config PHY_XGENE
+	tristate "APM X-Gene 15Gbps PHY support"
+	depends on HAS_IOMEM && OF && (ARM64 || COMPILE_TEST)
+	select GENERIC_PHY
+	help
+	  This option enables support for APM X-Gene SoC multi-purpose PHY.
+
 endmenu
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index ec24e915349b..95c69ed5ed45 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -23,6 +23,8 @@ phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4X12_USB2)	+= phy-exynos4x12-usb2.o
 phy-exynos-usb2-$(CONFIG_PHY_EXYNOS5250_USB2)	+= phy-exynos5250-usb2.o
 phy-exynos-usb2-$(CONFIG_PHY_S5PV210_USB2)	+= phy-s5pv210-usb2.o
 obj-$(CONFIG_PHY_EXYNOS5_USBDRD)	+= phy-exynos5-usbdrd.o
-obj-$(CONFIG_PHY_XGENE)			+= phy-xgene.o
 obj-$(CONFIG_PHY_QCOM_APQ8064_SATA)	+= phy-qcom-apq8064-sata.o
 obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA)	+= phy-qcom-ipq806x-sata.o
+obj-$(CONFIG_PHY_ST_SPEAR1310_MIPHY)	+= phy-spear1310-miphy.o
+obj-$(CONFIG_PHY_ST_SPEAR1340_MIPHY)	+= phy-spear1340-miphy.o
+obj-$(CONFIG_PHY_XGENE)			+= phy-xgene.o
diff --git a/drivers/phy/phy-spear1310-miphy.c b/drivers/phy/phy-spear1310-miphy.c
new file mode 100644
index 000000000000..6dcbfcddb372
--- /dev/null
+++ b/drivers/phy/phy-spear1310-miphy.c
@@ -0,0 +1,274 @@
+/*
+ * ST SPEAr1310-miphy driver
+ *
+ * Copyright (C) 2014 ST Microelectronics
+ * Pratyush Anand <pratyush.anand@st.com>
+ * Mohit Kumar <mohit.kumar@st.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/phy/phy.h>
+#include <linux/regmap.h>
+
+/* SPEAr1310 Registers */
+#define SPEAR1310_PCIE_SATA_CFG			0x3A4
+	#define SPEAR1310_PCIE_SATA2_SEL_PCIE		(0 << 31)
+	#define SPEAR1310_PCIE_SATA1_SEL_PCIE		(0 << 30)
+	#define SPEAR1310_PCIE_SATA0_SEL_PCIE		(0 << 29)
+	#define SPEAR1310_PCIE_SATA2_SEL_SATA		BIT(31)
+	#define SPEAR1310_PCIE_SATA1_SEL_SATA		BIT(30)
+	#define SPEAR1310_PCIE_SATA0_SEL_SATA		BIT(29)
+	#define SPEAR1310_SATA2_CFG_TX_CLK_EN		BIT(27)
+	#define SPEAR1310_SATA2_CFG_RX_CLK_EN		BIT(26)
+	#define SPEAR1310_SATA2_CFG_POWERUP_RESET	BIT(25)
+	#define SPEAR1310_SATA2_CFG_PM_CLK_EN		BIT(24)
+	#define SPEAR1310_SATA1_CFG_TX_CLK_EN		BIT(23)
+	#define SPEAR1310_SATA1_CFG_RX_CLK_EN		BIT(22)
+	#define SPEAR1310_SATA1_CFG_POWERUP_RESET	BIT(21)
+	#define SPEAR1310_SATA1_CFG_PM_CLK_EN		BIT(20)
+	#define SPEAR1310_SATA0_CFG_TX_CLK_EN		BIT(19)
+	#define SPEAR1310_SATA0_CFG_RX_CLK_EN		BIT(18)
+	#define SPEAR1310_SATA0_CFG_POWERUP_RESET	BIT(17)
+	#define SPEAR1310_SATA0_CFG_PM_CLK_EN		BIT(16)
+	#define SPEAR1310_PCIE2_CFG_DEVICE_PRESENT	BIT(11)
+	#define SPEAR1310_PCIE2_CFG_POWERUP_RESET	BIT(10)
+	#define SPEAR1310_PCIE2_CFG_CORE_CLK_EN		BIT(9)
+	#define SPEAR1310_PCIE2_CFG_AUX_CLK_EN		BIT(8)
+	#define SPEAR1310_PCIE1_CFG_DEVICE_PRESENT	BIT(7)
+	#define SPEAR1310_PCIE1_CFG_POWERUP_RESET	BIT(6)
+	#define SPEAR1310_PCIE1_CFG_CORE_CLK_EN		BIT(5)
+	#define SPEAR1310_PCIE1_CFG_AUX_CLK_EN		BIT(4)
+	#define SPEAR1310_PCIE0_CFG_DEVICE_PRESENT	BIT(3)
+	#define SPEAR1310_PCIE0_CFG_POWERUP_RESET	BIT(2)
+	#define SPEAR1310_PCIE0_CFG_CORE_CLK_EN		BIT(1)
+	#define SPEAR1310_PCIE0_CFG_AUX_CLK_EN		BIT(0)
+
+	#define SPEAR1310_PCIE_CFG_MASK(x) ((0xF << (x * 4)) | BIT((x + 29)))
+	#define SPEAR1310_SATA_CFG_MASK(x) ((0xF << (x * 4 + 16)) | \
+			BIT((x + 29)))
+	#define SPEAR1310_PCIE_CFG_VAL(x) \
+			(SPEAR1310_PCIE_SATA##x##_SEL_PCIE | \
+			SPEAR1310_PCIE##x##_CFG_AUX_CLK_EN | \
+			SPEAR1310_PCIE##x##_CFG_CORE_CLK_EN | \
+			SPEAR1310_PCIE##x##_CFG_POWERUP_RESET | \
+			SPEAR1310_PCIE##x##_CFG_DEVICE_PRESENT)
+	#define SPEAR1310_SATA_CFG_VAL(x) \
+			(SPEAR1310_PCIE_SATA##x##_SEL_SATA | \
+			SPEAR1310_SATA##x##_CFG_PM_CLK_EN | \
+			SPEAR1310_SATA##x##_CFG_POWERUP_RESET | \
+			SPEAR1310_SATA##x##_CFG_RX_CLK_EN | \
+			SPEAR1310_SATA##x##_CFG_TX_CLK_EN)
+
+#define SPEAR1310_PCIE_MIPHY_CFG_1		0x3A8
+	#define SPEAR1310_MIPHY_DUAL_OSC_BYPASS_EXT	BIT(31)
+	#define SPEAR1310_MIPHY_DUAL_CLK_REF_DIV2	BIT(28)
+	#define SPEAR1310_MIPHY_DUAL_PLL_RATIO_TOP(x)	(x << 16)
+	#define SPEAR1310_MIPHY_SINGLE_OSC_BYPASS_EXT	BIT(15)
+	#define SPEAR1310_MIPHY_SINGLE_CLK_REF_DIV2	BIT(12)
+	#define SPEAR1310_MIPHY_SINGLE_PLL_RATIO_TOP(x)	(x << 0)
+	#define SPEAR1310_PCIE_SATA_MIPHY_CFG_SATA_MASK (0xFFFF)
+	#define SPEAR1310_PCIE_SATA_MIPHY_CFG_PCIE_MASK (0xFFFF << 16)
+	#define SPEAR1310_PCIE_SATA_MIPHY_CFG_SATA \
+			(SPEAR1310_MIPHY_DUAL_OSC_BYPASS_EXT | \
+			SPEAR1310_MIPHY_DUAL_CLK_REF_DIV2 | \
+			SPEAR1310_MIPHY_DUAL_PLL_RATIO_TOP(60) | \
+			SPEAR1310_MIPHY_SINGLE_OSC_BYPASS_EXT | \
+			SPEAR1310_MIPHY_SINGLE_CLK_REF_DIV2 | \
+			SPEAR1310_MIPHY_SINGLE_PLL_RATIO_TOP(60))
+	#define SPEAR1310_PCIE_SATA_MIPHY_CFG_SATA_25M_CRYSTAL_CLK \
+			(SPEAR1310_MIPHY_SINGLE_PLL_RATIO_TOP(120))
+	#define SPEAR1310_PCIE_SATA_MIPHY_CFG_PCIE \
+			(SPEAR1310_MIPHY_DUAL_OSC_BYPASS_EXT | \
+			SPEAR1310_MIPHY_DUAL_PLL_RATIO_TOP(25) | \
+			SPEAR1310_MIPHY_SINGLE_OSC_BYPASS_EXT | \
+			SPEAR1310_MIPHY_SINGLE_PLL_RATIO_TOP(25))
+
+#define SPEAR1310_PCIE_MIPHY_CFG_2		0x3AC
+
+enum spear1310_miphy_mode {
+	SATA,
+	PCIE,
+};
+
+struct spear1310_miphy_priv {
+	/* instance id of this phy */
+	u32				id;
+	/* phy mode: 0 for SATA 1 for PCIe */
+	enum spear1310_miphy_mode	mode;
+	/* regmap for any soc specific misc registers */
+	struct regmap			*misc;
+	/* phy struct pointer */
+	struct phy			*phy;
+};
+
+static int spear1310_miphy_pcie_init(struct spear1310_miphy_priv *priv)
+{
+	u32 val;
+
+	regmap_update_bits(priv->misc, SPEAR1310_PCIE_MIPHY_CFG_1,
+			   SPEAR1310_PCIE_SATA_MIPHY_CFG_PCIE_MASK,
+			   SPEAR1310_PCIE_SATA_MIPHY_CFG_PCIE);
+
+	switch (priv->id) {
+	case 0:
+		val = SPEAR1310_PCIE_CFG_VAL(0);
+		break;
+	case 1:
+		val = SPEAR1310_PCIE_CFG_VAL(1);
+		break;
+	case 2:
+		val = SPEAR1310_PCIE_CFG_VAL(2);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(priv->misc, SPEAR1310_PCIE_SATA_CFG,
+			   SPEAR1310_PCIE_CFG_MASK(priv->id), val);
+
+	return 0;
+}
+
+static int spear1310_miphy_pcie_exit(struct spear1310_miphy_priv *priv)
+{
+	regmap_update_bits(priv->misc, SPEAR1310_PCIE_SATA_CFG,
+			   SPEAR1310_PCIE_CFG_MASK(priv->id), 0);
+
+	regmap_update_bits(priv->misc, SPEAR1310_PCIE_MIPHY_CFG_1,
+			   SPEAR1310_PCIE_SATA_MIPHY_CFG_PCIE_MASK, 0);
+
+	return 0;
+}
+
+static int spear1310_miphy_init(struct phy *phy)
+{
+	struct spear1310_miphy_priv *priv = phy_get_drvdata(phy);
+	int ret = 0;
+
+	if (priv->mode == PCIE)
+		ret = spear1310_miphy_pcie_init(priv);
+
+	return ret;
+}
+
+static int spear1310_miphy_exit(struct phy *phy)
+{
+	struct spear1310_miphy_priv *priv = phy_get_drvdata(phy);
+	int ret = 0;
+
+	if (priv->mode == PCIE)
+		ret = spear1310_miphy_pcie_exit(priv);
+
+	return ret;
+}
+
+static const struct of_device_id spear1310_miphy_of_match[] = {
+	{ .compatible = "st,spear1310-miphy" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, spear1310_miphy_of_match);
+
+static struct phy_ops spear1310_miphy_ops = {
+	.init = spear1310_miphy_init,
+	.exit = spear1310_miphy_exit,
+	.owner = THIS_MODULE,
+};
+
+static struct phy *spear1310_miphy_xlate(struct device *dev,
+					 struct of_phandle_args *args)
+{
+	struct spear1310_miphy_priv *priv = dev_get_drvdata(dev);
+
+	if (args->args_count < 1) {
+		dev_err(dev, "DT did not pass correct no of args\n");
+		return NULL;
+	}
+
+	priv->mode = args->args[0];
+
+	if (priv->mode != SATA && priv->mode != PCIE) {
+		dev_err(dev, "DT did not pass correct phy mode\n");
+		return NULL;
+	}
+
+	return priv->phy;
+}
+
+static int spear1310_miphy_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct spear1310_miphy_priv *priv;
+	struct phy_provider *phy_provider;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv) {
+		dev_err(dev, "can't alloc spear1310_miphy private date memory\n");
+		return -ENOMEM;
+	}
+
+	priv->misc =
+		syscon_regmap_lookup_by_phandle(dev->of_node, "misc");
+	if (IS_ERR(priv->misc)) {
+		dev_err(dev, "failed to find misc regmap\n");
+		return PTR_ERR(priv->misc);
+	}
+
+	if (of_property_read_u32(dev->of_node, "phy-id", &priv->id)) {
+		dev_err(dev, "failed to find phy id\n");
+		return -EINVAL;
+	}
+
+	priv->phy = devm_phy_create(dev, NULL, &spear1310_miphy_ops, NULL);
+	if (IS_ERR(priv->phy)) {
+		dev_err(dev, "failed to create SATA PCIe PHY\n");
+		return PTR_ERR(priv->phy);
+	}
+
+	dev_set_drvdata(dev, priv);
+	phy_set_drvdata(priv->phy, priv);
+
+	phy_provider =
+		devm_of_phy_provider_register(dev, spear1310_miphy_xlate);
+	if (IS_ERR(phy_provider)) {
+		dev_err(dev, "failed to register phy provider\n");
+		return PTR_ERR(phy_provider);
+	}
+
+	return 0;
+}
+
+static struct platform_driver spear1310_miphy_driver = {
+	.probe		= spear1310_miphy_probe,
+	.driver = {
+		.name = "spear1310-miphy",
+		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(spear1310_miphy_of_match),
+	},
+};
+
+static int __init spear1310_miphy_phy_init(void)
+{
+	return platform_driver_register(&spear1310_miphy_driver);
+}
+module_init(spear1310_miphy_phy_init);
+
+static void __exit spear1310_miphy_phy_exit(void)
+{
+	platform_driver_unregister(&spear1310_miphy_driver);
+}
+module_exit(spear1310_miphy_phy_exit);
+
+MODULE_DESCRIPTION("ST SPEAR1310-MIPHY driver");
+MODULE_AUTHOR("Pratyush Anand <pratyush.anand@st.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/phy-spear1340-miphy.c b/drivers/phy/phy-spear1340-miphy.c
new file mode 100644
index 000000000000..7135ba2603b6
--- /dev/null
+++ b/drivers/phy/phy-spear1340-miphy.c
@@ -0,0 +1,307 @@
+/*
+ * ST spear1340-miphy driver
+ *
+ * Copyright (C) 2014 ST Microelectronics
+ * Pratyush Anand <pratyush.anand@st.com>
+ * Mohit Kumar <mohit.kumar@st.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/phy/phy.h>
+#include <linux/regmap.h>
+
+/* SPEAr1340 Registers */
+/* Power Management Registers */
+#define SPEAR1340_PCM_CFG			0x100
+	#define SPEAR1340_PCM_CFG_SATA_POWER_EN		BIT(11)
+#define SPEAR1340_PCM_WKUP_CFG			0x104
+#define SPEAR1340_SWITCH_CTR			0x108
+
+#define SPEAR1340_PERIP1_SW_RST			0x318
+	#define SPEAR1340_PERIP1_SW_RSATA		BIT(12)
+#define SPEAR1340_PERIP2_SW_RST			0x31C
+#define SPEAR1340_PERIP3_SW_RST			0x320
+
+/* PCIE - SATA configuration registers */
+#define SPEAR1340_PCIE_SATA_CFG			0x424
+	/* PCIE CFG MASks */
+	#define SPEAR1340_PCIE_CFG_DEVICE_PRESENT	BIT(11)
+	#define SPEAR1340_PCIE_CFG_POWERUP_RESET	BIT(10)
+	#define SPEAR1340_PCIE_CFG_CORE_CLK_EN		BIT(9)
+	#define SPEAR1340_PCIE_CFG_AUX_CLK_EN		BIT(8)
+	#define SPEAR1340_SATA_CFG_TX_CLK_EN		BIT(4)
+	#define SPEAR1340_SATA_CFG_RX_CLK_EN		BIT(3)
+	#define SPEAR1340_SATA_CFG_POWERUP_RESET	BIT(2)
+	#define SPEAR1340_SATA_CFG_PM_CLK_EN		BIT(1)
+	#define SPEAR1340_PCIE_SATA_SEL_PCIE		(0)
+	#define SPEAR1340_PCIE_SATA_SEL_SATA		(1)
+	#define SPEAR1340_PCIE_SATA_CFG_MASK		0xF1F
+	#define SPEAR1340_PCIE_CFG_VAL	(SPEAR1340_PCIE_SATA_SEL_PCIE | \
+			SPEAR1340_PCIE_CFG_AUX_CLK_EN | \
+			SPEAR1340_PCIE_CFG_CORE_CLK_EN | \
+			SPEAR1340_PCIE_CFG_POWERUP_RESET | \
+			SPEAR1340_PCIE_CFG_DEVICE_PRESENT)
+	#define SPEAR1340_SATA_CFG_VAL	(SPEAR1340_PCIE_SATA_SEL_SATA | \
+			SPEAR1340_SATA_CFG_PM_CLK_EN | \
+			SPEAR1340_SATA_CFG_POWERUP_RESET | \
+			SPEAR1340_SATA_CFG_RX_CLK_EN | \
+			SPEAR1340_SATA_CFG_TX_CLK_EN)
+
+#define SPEAR1340_PCIE_MIPHY_CFG		0x428
+	#define SPEAR1340_MIPHY_OSC_BYPASS_EXT		BIT(31)
+	#define SPEAR1340_MIPHY_CLK_REF_DIV2		BIT(27)
+	#define SPEAR1340_MIPHY_CLK_REF_DIV4		(2 << 27)
+	#define SPEAR1340_MIPHY_CLK_REF_DIV8		(3 << 27)
+	#define SPEAR1340_MIPHY_PLL_RATIO_TOP(x)	(x << 0)
+	#define SPEAR1340_PCIE_MIPHY_CFG_MASK		0xF80000FF
+	#define SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA \
+			(SPEAR1340_MIPHY_OSC_BYPASS_EXT | \
+			SPEAR1340_MIPHY_CLK_REF_DIV2 | \
+			SPEAR1340_MIPHY_PLL_RATIO_TOP(60))
+	#define SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA_25M_CRYSTAL_CLK \
+			(SPEAR1340_MIPHY_PLL_RATIO_TOP(120))
+	#define SPEAR1340_PCIE_SATA_MIPHY_CFG_PCIE \
+			(SPEAR1340_MIPHY_OSC_BYPASS_EXT | \
+			SPEAR1340_MIPHY_PLL_RATIO_TOP(25))
+
+enum spear1340_miphy_mode {
+	SATA,
+	PCIE,
+};
+
+struct spear1340_miphy_priv {
+	/* phy mode: 0 for SATA 1 for PCIe */
+	enum spear1340_miphy_mode	mode;
+	/* regmap for any soc specific misc registers */
+	struct regmap			*misc;
+	/* phy struct pointer */
+	struct phy			*phy;
+};
+
+static int spear1340_miphy_sata_init(struct spear1340_miphy_priv *priv)
+{
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_SATA_CFG,
+			   SPEAR1340_PCIE_SATA_CFG_MASK,
+			   SPEAR1340_SATA_CFG_VAL);
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_MIPHY_CFG,
+			   SPEAR1340_PCIE_MIPHY_CFG_MASK,
+			   SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA_25M_CRYSTAL_CLK);
+	/* Switch on sata power domain */
+	regmap_update_bits(priv->misc, SPEAR1340_PCM_CFG,
+			   SPEAR1340_PCM_CFG_SATA_POWER_EN,
+			   SPEAR1340_PCM_CFG_SATA_POWER_EN);
+	/* Wait for SATA power domain on */
+	msleep(20);
+
+	/* Disable PCIE SATA Controller reset */
+	regmap_update_bits(priv->misc, SPEAR1340_PERIP1_SW_RST,
+			   SPEAR1340_PERIP1_SW_RSATA, 0);
+	/* Wait for SATA reset de-assert completion */
+	msleep(20);
+
+	return 0;
+}
+
+static int spear1340_miphy_sata_exit(struct spear1340_miphy_priv *priv)
+{
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_SATA_CFG,
+			   SPEAR1340_PCIE_SATA_CFG_MASK, 0);
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_MIPHY_CFG,
+			   SPEAR1340_PCIE_MIPHY_CFG_MASK, 0);
+
+	/* Enable PCIE SATA Controller reset */
+	regmap_update_bits(priv->misc, SPEAR1340_PERIP1_SW_RST,
+			   SPEAR1340_PERIP1_SW_RSATA,
+			   SPEAR1340_PERIP1_SW_RSATA);
+	/* Wait for SATA power domain off */
+	msleep(20);
+	/* Switch off sata power domain */
+	regmap_update_bits(priv->misc, SPEAR1340_PCM_CFG,
+			   SPEAR1340_PCM_CFG_SATA_POWER_EN, 0);
+	/* Wait for SATA reset assert completion */
+	msleep(20);
+
+	return 0;
+}
+
+static int spear1340_miphy_pcie_init(struct spear1340_miphy_priv *priv)
+{
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_MIPHY_CFG,
+			   SPEAR1340_PCIE_MIPHY_CFG_MASK,
+			   SPEAR1340_PCIE_SATA_MIPHY_CFG_PCIE);
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_SATA_CFG,
+			   SPEAR1340_PCIE_SATA_CFG_MASK,
+			   SPEAR1340_PCIE_CFG_VAL);
+
+	return 0;
+}
+
+static int spear1340_miphy_pcie_exit(struct spear1340_miphy_priv *priv)
+{
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_MIPHY_CFG,
+			   SPEAR1340_PCIE_MIPHY_CFG_MASK, 0);
+	regmap_update_bits(priv->misc, SPEAR1340_PCIE_SATA_CFG,
+			   SPEAR1340_PCIE_SATA_CFG_MASK, 0);
+
+	return 0;
+}
+
+static int spear1340_miphy_init(struct phy *phy)
+{
+	struct spear1340_miphy_priv *priv = phy_get_drvdata(phy);
+	int ret = 0;
+
+	if (priv->mode == SATA)
+		ret = spear1340_miphy_sata_init(priv);
+	else if (priv->mode == PCIE)
+		ret = spear1340_miphy_pcie_init(priv);
+
+	return ret;
+}
+
+static int spear1340_miphy_exit(struct phy *phy)
+{
+	struct spear1340_miphy_priv *priv = phy_get_drvdata(phy);
+	int ret = 0;
+
+	if (priv->mode == SATA)
+		ret = spear1340_miphy_sata_exit(priv);
+	else if (priv->mode == PCIE)
+		ret = spear1340_miphy_pcie_exit(priv);
+
+	return ret;
+}
+
+static const struct of_device_id spear1340_miphy_of_match[] = {
+	{ .compatible = "st,spear1340-miphy" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, spear1340_miphy_of_match);
+
+static struct phy_ops spear1340_miphy_ops = {
+	.init = spear1340_miphy_init,
+	.exit = spear1340_miphy_exit,
+	.owner = THIS_MODULE,
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int spear1340_miphy_suspend(struct device *dev)
+{
+	struct spear1340_miphy_priv *priv = dev_get_drvdata(dev);
+	int ret = 0;
+
+	if (priv->mode == SATA)
+		ret = spear1340_miphy_sata_exit(priv);
+
+	return ret;
+}
+
+static int spear1340_miphy_resume(struct device *dev)
+{
+	struct spear1340_miphy_priv *priv = dev_get_drvdata(dev);
+	int ret = 0;
+
+	if (priv->mode == SATA)
+		ret = spear1340_miphy_sata_init(priv);
+
+	return ret;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(spear1340_miphy_pm_ops, spear1340_miphy_suspend,
+			 spear1340_miphy_resume);
+
+static struct phy *spear1340_miphy_xlate(struct device *dev,
+					 struct of_phandle_args *args)
+{
+	struct spear1340_miphy_priv *priv = dev_get_drvdata(dev);
+
+	if (args->args_count < 1) {
+		dev_err(dev, "DT did not pass correct no of args\n");
+		return NULL;
+	}
+
+	priv->mode = args->args[0];
+
+	if (priv->mode != SATA && priv->mode != PCIE) {
+		dev_err(dev, "DT did not pass correct phy mode\n");
+		return NULL;
+	}
+
+	return priv->phy;
+}
+
+static int spear1340_miphy_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct spear1340_miphy_priv *priv;
+	struct phy_provider *phy_provider;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv) {
+		dev_err(dev, "can't alloc spear1340_miphy private date memory\n");
+		return -ENOMEM;
+	}
+
+	priv->misc =
+		syscon_regmap_lookup_by_phandle(dev->of_node, "misc");
+	if (IS_ERR(priv->misc)) {
+		dev_err(dev, "failed to find misc regmap\n");
+		return PTR_ERR(priv->misc);
+	}
+
+	priv->phy = devm_phy_create(dev, NULL, &spear1340_miphy_ops, NULL);
+	if (IS_ERR(priv->phy)) {
+		dev_err(dev, "failed to create SATA PCIe PHY\n");
+		return PTR_ERR(priv->phy);
+	}
+
+	dev_set_drvdata(dev, priv);
+	phy_set_drvdata(priv->phy, priv);
+
+	phy_provider =
+		devm_of_phy_provider_register(dev, spear1340_miphy_xlate);
+	if (IS_ERR(phy_provider)) {
+		dev_err(dev, "failed to register phy provider\n");
+		return PTR_ERR(phy_provider);
+	}
+
+	return 0;
+}
+
+static struct platform_driver spear1340_miphy_driver = {
+	.probe		= spear1340_miphy_probe,
+	.driver = {
+		.name = "spear1340-miphy",
+		.owner = THIS_MODULE,
+		.pm = &spear1340_miphy_pm_ops,
+		.of_match_table = of_match_ptr(spear1340_miphy_of_match),
+	},
+};
+
+static int __init spear1340_miphy_phy_init(void)
+{
+	return platform_driver_register(&spear1340_miphy_driver);
+}
+module_init(spear1340_miphy_phy_init);
+
+static void __exit spear1340_miphy_phy_exit(void)
+{
+	platform_driver_unregister(&spear1340_miphy_driver);
+}
+module_exit(spear1340_miphy_phy_exit);
+
+MODULE_DESCRIPTION("ST SPEAR1340-MIPHY driver");
+MODULE_AUTHOR("Pratyush Anand <pratyush.anand@st.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/pinctrl-tegra-xusb.c b/drivers/pinctrl/pinctrl-tegra-xusb.c
index 4a7daf577b49..a06620474845 100644
--- a/drivers/pinctrl/pinctrl-tegra-xusb.c
+++ b/drivers/pinctrl/pinctrl-tegra-xusb.c
@@ -910,7 +910,7 @@ static int tegra_xusb_padctl_probe(struct platform_device *pdev)
 		goto reset;
 	}
 
-	phy = devm_phy_create(&pdev->dev, &pcie_phy_ops, NULL);
+	phy = devm_phy_create(&pdev->dev, NULL, &pcie_phy_ops, NULL);
 	if (IS_ERR(phy)) {
 		err = PTR_ERR(phy);
 		goto unregister;
@@ -919,7 +919,7 @@ static int tegra_xusb_padctl_probe(struct platform_device *pdev)
 	padctl->phys[TEGRA_XUSB_PADCTL_PCIE] = phy;
 	phy_set_drvdata(phy, padctl);
 
-	phy = devm_phy_create(&pdev->dev, &sata_phy_ops, NULL);
+	phy = devm_phy_create(&pdev->dev, NULL, &sata_phy_ops, NULL);
 	if (IS_ERR(phy)) {
 		err = PTR_ERR(phy);
 		goto unregister;
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 4ad7b89a4cb4..331dfca415c7 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -43,7 +43,7 @@ config PWM_AB8500
 
 config PWM_ATMEL
 	tristate "Atmel PWM support"
-	depends on ARCH_AT91
+	depends on ARCH_AT91 || AVR32
 	help
 	  Generic PWM framework driver for Atmel SoC.
 
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index cc153f55d9f9..8d03924749b8 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -178,17 +178,6 @@ config BACKLIGHT_ATMEL_LCDC
 	  If in doubt, it's safe to enable this option; it doesn't kick
 	  in unless the board's description says it's wired that way.
 
-config BACKLIGHT_ATMEL_PWM
-	tristate "Atmel PWM backlight control"
-	depends on ATMEL_PWM
-	help
-	  Say Y here if you want to use the PWM peripheral in Atmel AT91 and
-	  AVR32 devices. This driver will need additional platform data to know
-	  which PWM instance to use and how to configure it.
-
-	  To compile this driver as a module, choose M here: the module will be
-	  called atmel-pwm-bl.
-
 config BACKLIGHT_EP93XX
 	tristate "Cirrus EP93xx Backlight Driver"
 	depends on FB_EP93XX
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index a9ea34a39cad..fcd50b732165 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -25,7 +25,6 @@ obj-$(CONFIG_BACKLIGHT_ADP8860)		+= adp8860_bl.o
 obj-$(CONFIG_BACKLIGHT_ADP8870)		+= adp8870_bl.o
 obj-$(CONFIG_BACKLIGHT_APPLE)		+= apple_bl.o
 obj-$(CONFIG_BACKLIGHT_AS3711)		+= as3711_bl.o
-obj-$(CONFIG_BACKLIGHT_ATMEL_PWM)	+= atmel-pwm-bl.o
 obj-$(CONFIG_BACKLIGHT_BD6107)		+= bd6107.o
 obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH)	+= cr_bllcd.o
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE)	+= backlight.o
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
deleted file mode 100644
index 261b1a4ec3d8..000000000000
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright (C) 2008 Atmel Corporation
- *
- * Backlight driver using Atmel PWM peripheral.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/fb.h>
-#include <linux/gpio.h>
-#include <linux/backlight.h>
-#include <linux/atmel_pwm.h>
-#include <linux/atmel-pwm-bl.h>
-#include <linux/slab.h>
-
-struct atmel_pwm_bl {
-	const struct atmel_pwm_bl_platform_data	*pdata;
-	struct backlight_device			*bldev;
-	struct platform_device			*pdev;
-	struct pwm_channel			pwmc;
-	int					gpio_on;
-};
-
-static void atmel_pwm_bl_set_gpio_on(struct atmel_pwm_bl *pwmbl, int on)
-{
-	if (!gpio_is_valid(pwmbl->gpio_on))
-		return;
-
-	gpio_set_value(pwmbl->gpio_on, on ^ pwmbl->pdata->on_active_low);
-}
-
-static int atmel_pwm_bl_set_intensity(struct backlight_device *bd)
-{
-	struct atmel_pwm_bl *pwmbl = bl_get_data(bd);
-	int intensity = bd->props.brightness;
-	int pwm_duty;
-
-	if (bd->props.power != FB_BLANK_UNBLANK)
-		intensity = 0;
-	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
-		intensity = 0;
-
-	if (pwmbl->pdata->pwm_active_low)
-		pwm_duty = pwmbl->pdata->pwm_duty_min + intensity;
-	else
-		pwm_duty = pwmbl->pdata->pwm_duty_max - intensity;
-
-	if (pwm_duty > pwmbl->pdata->pwm_duty_max)
-		pwm_duty = pwmbl->pdata->pwm_duty_max;
-	if (pwm_duty < pwmbl->pdata->pwm_duty_min)
-		pwm_duty = pwmbl->pdata->pwm_duty_min;
-
-	if (!intensity) {
-		atmel_pwm_bl_set_gpio_on(pwmbl, 0);
-		pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty);
-		pwm_channel_disable(&pwmbl->pwmc);
-	} else {
-		pwm_channel_enable(&pwmbl->pwmc);
-		pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty);
-		atmel_pwm_bl_set_gpio_on(pwmbl, 1);
-	}
-
-	return 0;
-}
-
-static int atmel_pwm_bl_get_intensity(struct backlight_device *bd)
-{
-	struct atmel_pwm_bl *pwmbl = bl_get_data(bd);
-	u32 cdty;
-	u32 intensity;
-
-	cdty = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY);
-	if (pwmbl->pdata->pwm_active_low)
-		intensity = cdty - pwmbl->pdata->pwm_duty_min;
-	else
-		intensity = pwmbl->pdata->pwm_duty_max - cdty;
-
-	return intensity & 0xffff;
-}
-
-static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl)
-{
-	unsigned long pwm_rate = pwmbl->pwmc.mck;
-	unsigned long prescale = DIV_ROUND_UP(pwm_rate,
-			(pwmbl->pdata->pwm_frequency *
-			 pwmbl->pdata->pwm_compare_max)) - 1;
-
-	/*
-	 * Prescale must be power of two and maximum 0xf in size because of
-	 * hardware limit. PWM speed will be:
-	 *	PWM module clock speed / (2 ^ prescale).
-	 */
-	prescale = fls(prescale);
-	if (prescale > 0xf)
-		prescale = 0xf;
-
-	pwm_channel_writel(&pwmbl->pwmc, PWM_CMR, prescale);
-	pwm_channel_writel(&pwmbl->pwmc, PWM_CDTY,
-			pwmbl->pdata->pwm_duty_min +
-			pwmbl->bldev->props.brightness);
-	pwm_channel_writel(&pwmbl->pwmc, PWM_CPRD,
-			pwmbl->pdata->pwm_compare_max);
-
-	dev_info(&pwmbl->pdev->dev, "Atmel PWM backlight driver (%lu Hz)\n",
-		pwmbl->pwmc.mck / pwmbl->pdata->pwm_compare_max /
-		(1 << prescale));
-
-	return pwm_channel_enable(&pwmbl->pwmc);
-}
-
-static const struct backlight_ops atmel_pwm_bl_ops = {
-	.get_brightness = atmel_pwm_bl_get_intensity,
-	.update_status  = atmel_pwm_bl_set_intensity,
-};
-
-static int atmel_pwm_bl_probe(struct platform_device *pdev)
-{
-	struct backlight_properties props;
-	const struct atmel_pwm_bl_platform_data *pdata;
-	struct backlight_device *bldev;
-	struct atmel_pwm_bl *pwmbl;
-	unsigned long flags;
-	int retval;
-
-	pdata = dev_get_platdata(&pdev->dev);
-	if (!pdata)
-		return -ENODEV;
-
-	if (pdata->pwm_compare_max < pdata->pwm_duty_max ||
-			pdata->pwm_duty_min > pdata->pwm_duty_max ||
-			pdata->pwm_frequency == 0)
-		return -EINVAL;
-
-	pwmbl = devm_kzalloc(&pdev->dev, sizeof(struct atmel_pwm_bl),
-				GFP_KERNEL);
-	if (!pwmbl)
-		return -ENOMEM;
-
-	pwmbl->pdev = pdev;
-	pwmbl->pdata = pdata;
-	pwmbl->gpio_on = pdata->gpio_on;
-
-	retval = pwm_channel_alloc(pdata->pwm_channel, &pwmbl->pwmc);
-	if (retval)
-		return retval;
-
-	if (gpio_is_valid(pwmbl->gpio_on)) {
-		/* Turn display off by default. */
-		if (pdata->on_active_low)
-			flags = GPIOF_OUT_INIT_HIGH;
-		else
-			flags = GPIOF_OUT_INIT_LOW;
-
-		retval = devm_gpio_request_one(&pdev->dev, pwmbl->gpio_on,
-						flags, "gpio_atmel_pwm_bl");
-		if (retval)
-			goto err_free_pwm;
-	}
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.type = BACKLIGHT_RAW;
-	props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min;
-	bldev = devm_backlight_device_register(&pdev->dev, "atmel-pwm-bl",
-					&pdev->dev, pwmbl, &atmel_pwm_bl_ops,
-					&props);
-	if (IS_ERR(bldev)) {
-		retval = PTR_ERR(bldev);
-		goto err_free_pwm;
-	}
-
-	pwmbl->bldev = bldev;
-
-	platform_set_drvdata(pdev, pwmbl);
-
-	/* Power up the backlight by default at middle intesity. */
-	bldev->props.power = FB_BLANK_UNBLANK;
-	bldev->props.brightness = bldev->props.max_brightness / 2;
-
-	retval = atmel_pwm_bl_init_pwm(pwmbl);
-	if (retval)
-		goto err_free_pwm;
-
-	atmel_pwm_bl_set_intensity(bldev);
-
-	return 0;
-
-err_free_pwm:
-	pwm_channel_free(&pwmbl->pwmc);
-
-	return retval;
-}
-
-static int atmel_pwm_bl_remove(struct platform_device *pdev)
-{
-	struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev);
-
-	atmel_pwm_bl_set_gpio_on(pwmbl, 0);
-	pwm_channel_disable(&pwmbl->pwmc);
-	pwm_channel_free(&pwmbl->pwmc);
-
-	return 0;
-}
-
-static struct platform_driver atmel_pwm_bl_driver = {
-	.driver = {
-		.name = "atmel-pwm-bl",
-	},
-	/* REVISIT add suspend() and resume() */
-	.probe = atmel_pwm_bl_probe,
-	.remove = atmel_pwm_bl_remove,
-};
-
-module_platform_driver(atmel_pwm_bl_driver);
-
-MODULE_AUTHOR("Hans-Christian egtvedt <hans-christian.egtvedt@atmel.com>");
-MODULE_DESCRIPTION("Atmel PWM backlight driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:atmel-pwm-bl");