diff options
Diffstat (limited to 'arch/x86/platform/intel-mid')
5 files changed, 198 insertions, 13 deletions
diff --git a/arch/x86/platform/intel-mid/device_libs/Makefile b/arch/x86/platform/intel-mid/device_libs/Makefile index a7dbec4dce27..53e0235e308f 100644 --- a/arch/x86/platform/intel-mid/device_libs/Makefile +++ b/arch/x86/platform/intel-mid/device_libs/Makefile @@ -2,8 +2,9 @@ obj-$(subst m,y,$(CONFIG_PINCTRL_MERRIFIELD)) += platform_mrfld_pinctrl.o # SDHCI Devices obj-$(subst m,y,$(CONFIG_MMC_SDHCI_PCI)) += platform_mrfld_sd.o -# WiFi +# WiFi + BT obj-$(subst m,y,$(CONFIG_BRCMFMAC_SDIO)) += platform_bcm43xx.o +obj-$(subst m,y,$(CONFIG_BT_HCIUART_BCM)) += platform_bt.o # IPC Devices obj-$(subst m,y,$(CONFIG_MFD_INTEL_MSIC)) += platform_msic.o obj-$(subst m,y,$(CONFIG_SND_MFLD_MACHINE)) += platform_msic_audio.o @@ -26,5 +27,6 @@ obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_pcal9555a.o obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_tca6416.o # MISC Devices obj-$(subst m,y,$(CONFIG_KEYBOARD_GPIO)) += platform_gpio_keys.o +obj-$(subst m,y,$(CONFIG_INTEL_MID_POWER_BUTTON)) += platform_mrfld_power_btn.o obj-$(subst m,y,$(CONFIG_RTC_DRV_CMOS)) += platform_mrfld_rtc.o obj-$(subst m,y,$(CONFIG_INTEL_MID_WATCHDOG)) += platform_mrfld_wdt.o diff --git a/arch/x86/platform/intel-mid/device_libs/platform_bt.c b/arch/x86/platform/intel-mid/device_libs/platform_bt.c new file mode 100644 index 000000000000..5a0483e7bf66 --- /dev/null +++ b/arch/x86/platform/intel-mid/device_libs/platform_bt.c @@ -0,0 +1,108 @@ +/* + * Bluetooth platform data initialization file + * + * (C) Copyright 2017 Intel Corporation + * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 + * of the License. + */ + +#include <linux/gpio/machine.h> +#include <linux/pci.h> +#include <linux/platform_device.h> + +#include <asm/cpu_device_id.h> +#include <asm/intel-family.h> +#include <asm/intel-mid.h> + +struct bt_sfi_data { + struct device *dev; + const char *name; + int (*setup)(struct bt_sfi_data *ddata); +}; + +static struct gpiod_lookup_table tng_bt_sfi_gpio_table = { + .dev_id = "hci_bcm", + .table = { + GPIO_LOOKUP("0000:00:0c.0", -1, "device-wakeup", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("0000:00:0c.0", -1, "shutdown", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("0000:00:0c.0", -1, "host-wakeup", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +#define TNG_BT_SFI_GPIO_DEVICE_WAKEUP "bt_wakeup" +#define TNG_BT_SFI_GPIO_SHUTDOWN "BT-reset" +#define TNG_BT_SFI_GPIO_HOST_WAKEUP "bt_uart_enable" + +static int __init tng_bt_sfi_setup(struct bt_sfi_data *ddata) +{ + struct gpiod_lookup_table *table = &tng_bt_sfi_gpio_table; + struct gpiod_lookup *lookup = table->table; + struct pci_dev *pdev; + + /* Connected to /dev/ttyS0 */ + pdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(4, 1)); + if (!pdev) + return -ENODEV; + + ddata->dev = &pdev->dev; + ddata->name = table->dev_id; + + lookup[0].chip_hwnum = get_gpio_by_name(TNG_BT_SFI_GPIO_DEVICE_WAKEUP); + lookup[1].chip_hwnum = get_gpio_by_name(TNG_BT_SFI_GPIO_SHUTDOWN); + lookup[2].chip_hwnum = get_gpio_by_name(TNG_BT_SFI_GPIO_HOST_WAKEUP); + + gpiod_add_lookup_table(table); + return 0; +} + +static struct bt_sfi_data tng_bt_sfi_data __initdata = { + .setup = tng_bt_sfi_setup, +}; + +#define ICPU(model, ddata) \ + { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (kernel_ulong_t)&ddata } + +static const struct x86_cpu_id bt_sfi_cpu_ids[] = { + ICPU(INTEL_FAM6_ATOM_MERRIFIELD, tng_bt_sfi_data), + {} +}; + +static int __init bt_sfi_init(void) +{ + struct platform_device_info info; + struct platform_device *pdev; + const struct x86_cpu_id *id; + struct bt_sfi_data *ddata; + int ret; + + id = x86_match_cpu(bt_sfi_cpu_ids); + if (!id) + return -ENODEV; + + ddata = (struct bt_sfi_data *)id->driver_data; + if (!ddata) + return -ENODEV; + + ret = ddata->setup(ddata); + if (ret) + return ret; + + memset(&info, 0, sizeof(info)); + info.fwnode = ddata->dev->fwnode; + info.parent = ddata->dev; + info.name = ddata->name, + info.id = PLATFORM_DEVID_NONE, + + pdev = platform_device_register_full(&info); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + dev_info(ddata->dev, "Registered Bluetooth device: %s\n", ddata->name); + return 0; +} +device_initcall(bt_sfi_init); diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c new file mode 100644 index 000000000000..a6c3705a28ad --- /dev/null +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c @@ -0,0 +1,82 @@ +/* + * Intel Merrifield power button support + * + * (C) Copyright 2017 Intel Corporation + * + * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 + * of the License. + */ + +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <linux/sfi.h> + +#include <asm/intel-mid.h> +#include <asm/intel_scu_ipc.h> + +static struct resource mrfld_power_btn_resources[] = { + { + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mrfld_power_btn_dev = { + .name = "msic_power_btn", + .id = PLATFORM_DEVID_NONE, + .num_resources = ARRAY_SIZE(mrfld_power_btn_resources), + .resource = mrfld_power_btn_resources, +}; + +static int mrfld_power_btn_scu_status_change(struct notifier_block *nb, + unsigned long code, void *data) +{ + if (code == SCU_DOWN) { + platform_device_unregister(&mrfld_power_btn_dev); + return 0; + } + + return platform_device_register(&mrfld_power_btn_dev); +} + +static struct notifier_block mrfld_power_btn_scu_notifier = { + .notifier_call = mrfld_power_btn_scu_status_change, +}; + +static int __init register_mrfld_power_btn(void) +{ + if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER) + return -ENODEV; + + /* + * We need to be sure that the SCU IPC is ready before + * PMIC power button device can be registered: + */ + intel_scu_notifier_add(&mrfld_power_btn_scu_notifier); + + return 0; +} +arch_initcall(register_mrfld_power_btn); + +static void __init *mrfld_power_btn_platform_data(void *info) +{ + struct resource *res = mrfld_power_btn_resources; + struct sfi_device_table_entry *pentry = info; + + res->start = res->end = pentry->irq; + return NULL; +} + +static const struct devs_id mrfld_power_btn_dev_id __initconst = { + .name = "bcove_power_btn", + .type = SFI_DEV_TYPE_IPC, + .delay = 1, + .msic = 1, + .get_platform_data = &mrfld_power_btn_platform_data, +}; + +sfi_device(mrfld_power_btn_dev_id); diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c index 86edd1e941eb..9e304e2ea4f5 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c @@ -19,7 +19,7 @@ #include <asm/intel_scu_ipc.h> #include <asm/io_apic.h> -#define TANGIER_EXT_TIMER0_MSI 15 +#define TANGIER_EXT_TIMER0_MSI 12 static struct platform_device wdt_dev = { .name = "intel_mid_wdt", diff --git a/arch/x86/platform/intel-mid/mfld.c b/arch/x86/platform/intel-mid/mfld.c index e793fe509971..e42978d4deaf 100644 --- a/arch/x86/platform/intel-mid/mfld.c +++ b/arch/x86/platform/intel-mid/mfld.c @@ -17,16 +17,6 @@ #include "intel_mid_weak_decls.h" -static void penwell_arch_setup(void); -/* penwell arch ops */ -static struct intel_mid_ops penwell_ops = { - .arch_setup = penwell_arch_setup, -}; - -static void mfld_power_off(void) -{ -} - static unsigned long __init mfld_calibrate_tsc(void) { unsigned long fast_calibrate; @@ -63,9 +53,12 @@ static unsigned long __init mfld_calibrate_tsc(void) static void __init penwell_arch_setup(void) { x86_platform.calibrate_tsc = mfld_calibrate_tsc; - pm_power_off = mfld_power_off; } +static struct intel_mid_ops penwell_ops = { + .arch_setup = penwell_arch_setup, +}; + void *get_penwell_ops(void) { return &penwell_ops; |
