summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mxs
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-30 07:50:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-30 07:50:45 -0700
commit85eb1513c15652cdaa9fd656345825bf55514a96 (patch)
treeb445b8d6d9184a897a2656a9f16a6ec592137644 /arch/arm/mach-mxs
parente122996ae1edf2caf19643cb79366fc2117a6188 (diff)
parentb43d151e9679a06df896ac3db65a9dca80040fed (diff)
downloadblackbird-op-linux-85eb1513c15652cdaa9fd656345825bf55514a96.tar.gz
blackbird-op-linux-85eb1513c15652cdaa9fd656345825bf55514a96.zip
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (65 commits) ARM: 6826/1: Merge v6 and v7 DEBUG_LL DCC support ARM: 6838/1: etm: fix section mismatch warning ARM: 6837/1: remove unused pci_fixup_prpmc1100 ARM: 6836/1: kprobes/fix emulation of LDR/STR instruction when Rn == PC Fix the broken build for Marvell Dove platform. ARM: 6835/1: perf: ensure overflows aren't missed due to IRQ latency ARM: 6834/1: perf: reset counters on all CPUs during initialisation ARM: 6833/1: perf: add required isbs() to ARMv7 backend ARM: 6825/1: kernel/sleep.S: fix Thumb2 compilation issues ARM: 6807/1: realview: Fix secondary GIC initialisation for EB with MPCore tile arm: mach-mx3: pcm043: add write-protect and card-detect for SD1 eukrea_mbimxsd51: add SD Card detect eukrea_mbimxsd25-baseboard: add SD card detect mx3/eukrea_mbimxsd-baseboard: add SD card detect support mx3/eukrea_mbimxsd-baseboard: fix gpio request ARM: mxs/mx28evk: add mmc device ARM: mxs/mx23evk: add mmc device ARM: mxs: dynamically allocate mmc device ARM: mx51_efika: update platform data for new mfd changes mx2/iomux: Set direction for CSPI2 pins ...
Diffstat (limited to 'arch/arm/mach-mxs')
-rw-r--r--arch/arm/mach-mxs/Kconfig2
-rw-r--r--arch/arm/mach-mxs/clock-mx23.c15
-rw-r--r--arch/arm/mach-mxs/clock-mx28.c18
-rw-r--r--arch/arm/mach-mxs/devices-mx23.h4
-rw-r--r--arch/arm/mach-mxs/devices-mx28.h4
-rw-r--r--arch/arm/mach-mxs/devices/Kconfig3
-rw-r--r--arch/arm/mach-mxs/devices/Makefile1
-rw-r--r--arch/arm/mach-mxs/devices/platform-mxs-mmc.c73
-rw-r--r--arch/arm/mach-mxs/include/mach/devices-common.h13
-rw-r--r--arch/arm/mach-mxs/mach-mx23evk.c44
-rw-r--r--arch/arm/mach-mxs/mach-mx28evk.c89
-rw-r--r--arch/arm/mach-mxs/module-tx28.c41
-rw-r--r--arch/arm/mach-mxs/module-tx28.h1
13 files changed, 302 insertions, 6 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 4f6f174af6c8..4522fbb235d5 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -22,6 +22,7 @@ config MACH_MX23EVK
select SOC_IMX23
select MXS_HAVE_AMBA_DUART
select MXS_HAVE_PLATFORM_AUART
+ select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXSFB
default y
help
@@ -35,6 +36,7 @@ config MACH_MX28EVK
select MXS_HAVE_PLATFORM_AUART
select MXS_HAVE_PLATFORM_FEC
select MXS_HAVE_PLATFORM_FLEXCAN
+ select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXSFB
select MXS_OCOTP
default y
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index d133c7f30940..c3577ea789ac 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -521,6 +521,15 @@ static int clk_misc_init(void)
__raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET);
+ /*
+ * 480 MHz seems too high to be ssp clock source directly,
+ * so set frac to get a 288 MHz ref_io.
+ */
+ reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
+ reg &= ~BM_CLKCTRL_FRAC_IOFRAC;
+ reg |= 30 << BP_CLKCTRL_FRAC_IOFRAC;
+ __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
+
return 0;
}
@@ -528,6 +537,12 @@ int __init mx23_clocks_init(void)
{
clk_misc_init();
+ /*
+ * source ssp clock from ref_io than ref_xtal,
+ * as ref_xtal only provides 24 MHz as maximum.
+ */
+ clk_set_parent(&ssp_clk, &ref_io_clk);
+
clk_enable(&cpu_clk);
clk_enable(&hbus_clk);
clk_enable(&xbus_clk);
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 5e489a2b2023..1ad97fed1e94 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -618,6 +618,8 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("pll2", NULL, pll2_clk)
_REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
_REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk)
+ _REGISTER_CLOCK("mxs-mmc.0", NULL, ssp0_clk)
+ _REGISTER_CLOCK("mxs-mmc.1", NULL, ssp1_clk)
_REGISTER_CLOCK("flexcan.0", NULL, can0_clk)
_REGISTER_CLOCK("flexcan.1", NULL, can1_clk)
_REGISTER_CLOCK(NULL, "usb0", usb0_clk)
@@ -737,6 +739,15 @@ static int clk_misc_init(void)
reg |= BM_CLKCTRL_ENET_CLK_OUT_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET);
+ /*
+ * 480 MHz seems too high to be ssp clock source directly,
+ * so set frac0 to get a 288 MHz ref_io0.
+ */
+ reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0);
+ reg &= ~BM_CLKCTRL_FRAC0_IO0FRAC;
+ reg |= 30 << BP_CLKCTRL_FRAC0_IO0FRAC;
+ __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0);
+
return 0;
}
@@ -744,6 +755,13 @@ int __init mx28_clocks_init(void)
{
clk_misc_init();
+ /*
+ * source ssp clock from ref_io0 than ref_xtal,
+ * as ref_xtal only provides 24 MHz as maximum.
+ */
+ clk_set_parent(&ssp0_clk, &ref_io0_clk);
+ clk_set_parent(&ssp1_clk, &ref_io0_clk);
+
clk_enable(&cpu_clk);
clk_enable(&hbus_clk);
clk_enable(&xbus_clk);
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index c7e14f4e3669..c6f345febd39 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst;
#define mx23_add_auart0() mx23_add_auart(0)
#define mx23_add_auart1() mx23_add_auart(1)
+extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst;
+#define mx23_add_mxs_mmc(id, pdata) \
+ mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata)
+
#define mx23_add_mxs_pwm(id) mxs_add_mxs_pwm(MX23_PWM_BASE_ADDR, id)
struct platform_device *__init mx23_add_mxsfb(
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 9d08555c4cf0..c473eddce8cf 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -37,6 +37,10 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst;
extern const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst;
#define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id])
+extern const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst;
+#define mx28_add_mxs_mmc(id, pdata) \
+ mxs_add_mxs_mmc(&mx28_mxs_mmc_data[id], pdata)
+
#define mx28_add_mxs_pwm(id) mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id)
struct platform_device *__init mx28_add_mxsfb(
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index 1451ad060d82..acf9eea124c0 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -15,6 +15,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN
config MXS_HAVE_PLATFORM_MXS_I2C
bool
+config MXS_HAVE_PLATFORM_MXS_MMC
+ bool
+
config MXS_HAVE_PLATFORM_MXS_PWM
bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index 0d9bea30b0a2..324f2824d38d 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -4,5 +4,6 @@ obj-y += platform-dma.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-mmc.c b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
new file mode 100644
index 000000000000..382dacbeca21
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-mxs-mmc.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_mxs_mmc_data_entry_single(soc, _id, hwid) \
+ { \
+ .id = _id, \
+ .iobase = soc ## _SSP ## hwid ## _BASE_ADDR, \
+ .dma = soc ## _DMA_SSP ## hwid, \
+ .irq_err = soc ## _INT_SSP ## hwid ## _ERROR, \
+ .irq_dma = soc ## _INT_SSP ## hwid ## _DMA, \
+ }
+
+#define mxs_mxs_mmc_data_entry(soc, _id, hwid) \
+ [_id] = mxs_mxs_mmc_data_entry_single(soc, _id, hwid)
+
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst = {
+ mxs_mxs_mmc_data_entry(MX23, 0, 1),
+ mxs_mxs_mmc_data_entry(MX23, 1, 2),
+};
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst = {
+ mxs_mxs_mmc_data_entry(MX28, 0, 0),
+ mxs_mxs_mmc_data_entry(MX28, 1, 1),
+};
+#endif
+
+struct platform_device *__init mxs_add_mxs_mmc(
+ const struct mxs_mxs_mmc_data *data,
+ const struct mxs_mmc_platform_data *pdata)
+{
+ struct resource res[] = {
+ {
+ .start = data->iobase,
+ .end = data->iobase + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->dma,
+ .end = data->dma,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .start = data->irq_err,
+ .end = data->irq_err,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .start = data->irq_dma,
+ .end = data->irq_dma,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ return mxs_add_platform_device("mxs-mmc", data->id,
+ res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
+}
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 71f24484b044..c5137f14c364 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -73,6 +73,19 @@ struct mxs_i2c_data {
};
struct platform_device * __init mxs_add_mxs_i2c(const struct mxs_i2c_data *data);
+/* mmc */
+#include <mach/mmc.h>
+struct mxs_mxs_mmc_data {
+ int id;
+ resource_size_t iobase;
+ resource_size_t dma;
+ resource_size_t irq_err;
+ resource_size_t irq_dma;
+};
+struct platform_device *__init mxs_add_mxs_mmc(
+ const struct mxs_mxs_mmc_data *data,
+ const struct mxs_mmc_platform_data *pdata);
+
/* pwm */
struct platform_device *__init mxs_add_mxs_pwm(
resource_size_t iobase, int id);
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index a66994f0518f..214e5b641bbc 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -28,6 +28,8 @@
#define MX23EVK_LCD_ENABLE MXS_GPIO_NR(1, 18)
#define MX23EVK_BL_ENABLE MXS_GPIO_NR(1, 28)
+#define MX23EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30)
+#define MX23EVK_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29)
static const iomux_cfg_t mx23evk_pads[] __initconst = {
/* duart */
@@ -73,6 +75,36 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
MX23_PAD_LCD_RESET__GPIO_1_18 | MXS_PAD_CTRL,
/* backlight control */
MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL,
+
+ /* mmc */
+ MX23_PAD_SSP1_DATA0__SSP1_DATA0 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_SSP1_DATA1__SSP1_DATA1 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_SSP1_DATA2__SSP1_DATA2 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_SSP1_DATA3__SSP1_DATA3 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_GPMI_D08__SSP1_DATA4 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_GPMI_D09__SSP1_DATA5 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_GPMI_D10__SSP1_DATA6 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_GPMI_D11__SSP1_DATA7 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_SSP1_CMD__SSP1_CMD |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX23_PAD_SSP1_DETECT__SSP1_DETECT |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_SSP1_SCK__SSP1_SCK |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ /* write protect */
+ MX23_PAD_PWM4__GPIO_1_30 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ /* slot power enable */
+ MX23_PAD_PWM3__GPIO_1_29 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
};
/* mxsfb (lcdif) */
@@ -101,6 +133,11 @@ static const struct mxsfb_platform_data mx23evk_mxsfb_pdata __initconst = {
.ld_intf_width = STMLCDIF_24BIT,
};
+static struct mxs_mmc_platform_data mx23evk_mmc_pdata __initdata = {
+ .wp_gpio = MX23EVK_MMC0_WRITE_PROTECT,
+ .flags = SLOTF_8_BIT_CAPABLE,
+};
+
static void __init mx23evk_init(void)
{
int ret;
@@ -110,6 +147,13 @@ static void __init mx23evk_init(void)
mx23_add_duart();
mx23_add_auart0();
+ /* power on mmc slot by writing 0 to the gpio */
+ ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT,
+ "mmc0-slot-power");
+ if (ret)
+ pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
+ mx23_add_mxs_mmc(0, &mx23evk_mmc_pdata);
+
ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
if (ret)
pr_warn("failed to request gpio lcd-enable: %d\n", ret);
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 08002d02267a..bb329b9a2608 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -34,6 +34,11 @@
#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
+#define MX28EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(2, 12)
+#define MX28EVK_MMC1_WRITE_PROTECT MXS_GPIO_NR(0, 28)
+#define MX28EVK_MMC0_SLOT_POWER MXS_GPIO_NR(3, 28)
+#define MX28EVK_MMC1_SLOT_POWER MXS_GPIO_NR(3, 29)
+
static const iomux_cfg_t mx28evk_pads[] __initconst = {
/* duart */
MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
@@ -115,6 +120,65 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
/* backlight control */
MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
+ /* mmc0 */
+ MX28_PAD_SSP0_DATA0__SSP0_D0 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DATA1__SSP0_D1 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DATA2__SSP0_D2 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DATA3__SSP0_D3 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DATA4__SSP0_D4 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DATA5__SSP0_D5 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DATA6__SSP0_D6 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DATA7__SSP0_D7 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_CMD__SSP0_CMD |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_SSP0_SCK__SSP0_SCK |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ /* write protect */
+ MX28_PAD_SSP1_SCK__GPIO_2_12 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ /* slot power enable */
+ MX28_PAD_PWM3__GPIO_3_28 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
+ /* mmc1 */
+ MX28_PAD_GPMI_D00__SSP1_D0 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_D01__SSP1_D1 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_D02__SSP1_D2 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_D03__SSP1_D3 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_D04__SSP1_D4 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_D05__SSP1_D5 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_D06__SSP1_D6 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_D07__SSP1_D7 |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_RDY1__SSP1_CMD |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_GPMI_RDY0__SSP1_CARD_DETECT |
+ (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_WRN__SSP1_SCK |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ /* write protect */
+ MX28_PAD_GPMI_RESETN__GPIO_0_28 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ /* slot power enable */
+ MX28_PAD_PWM4__GPIO_3_29 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
};
/* fec */
@@ -258,6 +322,18 @@ static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
.ld_intf_width = STMLCDIF_24BIT,
};
+static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = {
+ {
+ /* mmc0 */
+ .wp_gpio = MX28EVK_MMC0_WRITE_PROTECT,
+ .flags = SLOTF_8_BIT_CAPABLE,
+ }, {
+ /* mmc1 */
+ .wp_gpio = MX28EVK_MMC1_WRITE_PROTECT,
+ .flags = SLOTF_8_BIT_CAPABLE,
+ },
+};
+
static void __init mx28evk_init(void)
{
int ret;
@@ -297,6 +373,19 @@ static void __init mx28evk_init(void)
gpio_set_value(MX28EVK_BL_ENABLE, 1);
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
+
+ /* power on mmc slot by writing 0 to the gpio */
+ ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT,
+ "mmc0-slot-power");
+ if (ret)
+ pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
+ mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
+
+ ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_DIR_OUT,
+ "mmc1-slot-power");
+ if (ret)
+ pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
+ mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
}
static void __init mx28evk_timer_init(void)
diff --git a/arch/arm/mach-mxs/module-tx28.c b/arch/arm/mach-mxs/module-tx28.c
index fa0b154da67b..0fcff47009cf 100644
--- a/arch/arm/mach-mxs/module-tx28.c
+++ b/arch/arm/mach-mxs/module-tx28.c
@@ -45,7 +45,7 @@ static const iomux_cfg_t tx28_fec_gpio_pads[] __initconst = {
};
#define FEC_MODE (MXS_PAD_8MA | MXS_PAD_PULLUP | MXS_PAD_3V3)
-static const iomux_cfg_t tx28_fec_pads[] __initconst = {
+static const iomux_cfg_t tx28_fec0_pads[] __initconst = {
MX28_PAD_ENET0_MDC__ENET0_MDC | FEC_MODE,
MX28_PAD_ENET0_MDIO__ENET0_MDIO | FEC_MODE,
MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | FEC_MODE,
@@ -57,7 +57,20 @@ static const iomux_cfg_t tx28_fec_pads[] __initconst = {
MX28_PAD_ENET_CLK__CLKCTRL_ENET | FEC_MODE,
};
-static const struct fec_platform_data tx28_fec_data __initconst = {
+static const iomux_cfg_t tx28_fec1_pads[] __initconst = {
+ MX28_PAD_ENET0_RXD2__ENET1_RXD0,
+ MX28_PAD_ENET0_RXD3__ENET1_RXD1,
+ MX28_PAD_ENET0_TXD2__ENET1_TXD0,
+ MX28_PAD_ENET0_TXD3__ENET1_TXD1,
+ MX28_PAD_ENET0_COL__ENET1_TX_EN,
+ MX28_PAD_ENET0_CRS__ENET1_RX_EN,
+};
+
+static struct fec_platform_data tx28_fec0_data = {
+ .phy = PHY_INTERFACE_MODE_RMII,
+};
+
+static struct fec_platform_data tx28_fec1_data = {
.phy = PHY_INTERFACE_MODE_RMII,
};
@@ -108,15 +121,15 @@ int __init tx28_add_fec0(void)
pr_debug("%s: Deasserting FEC PHY RESET\n", __func__);
gpio_set_value(TX28_FEC_PHY_RESET, 1);
- ret = mxs_iomux_setup_multiple_pads(tx28_fec_pads,
- ARRAY_SIZE(tx28_fec_pads));
+ ret = mxs_iomux_setup_multiple_pads(tx28_fec0_pads,
+ ARRAY_SIZE(tx28_fec0_pads));
if (ret) {
pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
__func__, ret);
goto free_gpios;
}
- pr_debug("%s: Registering FEC device\n", __func__);
- mx28_add_fec(0, &tx28_fec_data);
+ pr_debug("%s: Registering FEC0 device\n", __func__);
+ mx28_add_fec(0, &tx28_fec0_data);
return 0;
free_gpios:
@@ -129,3 +142,19 @@ free_gpios:
return ret;
}
+
+int __init tx28_add_fec1(void)
+{
+ int ret;
+
+ ret = mxs_iomux_setup_multiple_pads(tx28_fec1_pads,
+ ARRAY_SIZE(tx28_fec1_pads));
+ if (ret) {
+ pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
+ __func__, ret);
+ return ret;
+ }
+ pr_debug("%s: Registering FEC1 device\n", __func__);
+ mx28_add_fec(1, &tx28_fec1_data);
+ return 0;
+}
diff --git a/arch/arm/mach-mxs/module-tx28.h b/arch/arm/mach-mxs/module-tx28.h
index df9e1b6e81bf..8ed425457d30 100644
--- a/arch/arm/mach-mxs/module-tx28.h
+++ b/arch/arm/mach-mxs/module-tx28.h
@@ -7,3 +7,4 @@
* Free Software Foundation.
*/
int __init tx28_add_fec0(void);
+int __init tx28_add_fec1(void);
OpenPOWER on IntegriCloud