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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2011-06-22 06:43:39 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-07-20 16:17:33 +0200 |
| commit | b908af44995d4a581477245de33e0d7ccc0b9a7a (patch) | |
| tree | 0a7b6d2d785bad2531ad39f569a2e662c8492ef3 /arch | |
| parent | ARM: EXYNOS4: Add FIMC device on Universal_C210 (diff) | |
| download | linux-b908af44995d4a581477245de33e0d7ccc0b9a7a.tar.xz linux-b908af44995d4a581477245de33e0d7ccc0b9a7a.zip | |
ARM: EXYNOS4: Add MCS Touchkey device on Universal_C210
This patch adds definitions to enable support for MCS Touchkey driver
for Universal C210 board.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-exynos4/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-exynos4/mach-universal_c210.c | 57 |
2 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index 32a96f41e0e3..08482439acc3 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -153,6 +153,7 @@ config MACH_ARMLEX4210 config MACH_UNIVERSAL_C210 bool "Mobile UNIVERSAL_C210 Board" select CPU_EXYNOS4210 + select S5P_GPIO_INT select S5P_DEV_FIMC0 select S5P_DEV_FIMC1 select S5P_DEV_FIMC2 diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c index 65f8d62e067f..83c83cce2478 100644 --- a/arch/arm/mach-exynos4/mach-universal_c210.c +++ b/arch/arm/mach-exynos4/mach-universal_c210.c @@ -18,6 +18,8 @@ #include <linux/regulator/fixed.h> #include <linux/regulator/max8952.h> #include <linux/mmc/host.h> +#include <linux/i2c-gpio.h> +#include <linux/i2c/mcs.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> @@ -477,6 +479,56 @@ static struct i2c_board_info i2c5_devs[] __initdata = { }, }; +/* GPIO I2C 12 (3 Touchkey) */ +static uint32_t touchkey_keymap[] = { + /* MCS_KEY_MAP(value, keycode) */ + MCS_KEY_MAP(0, KEY_MENU), /* KEY_SEND */ + MCS_KEY_MAP(1, KEY_BACK), /* KEY_END */ +}; + +static struct mcs_platform_data touchkey_data = { + .keymap = touchkey_keymap, + .keymap_size = ARRAY_SIZE(touchkey_keymap), + .key_maxval = 2, +}; + +/* GPIO I2C 3_TOUCH 2.8V */ +#define I2C_GPIO_BUS_12 12 +static struct i2c_gpio_platform_data i2c_gpio12_data = { + .sda_pin = EXYNOS4_GPE4(0), /* XMDMDATA_8 */ + .scl_pin = EXYNOS4_GPE4(1), /* XMDMDATA_9 */ +}; + +static struct platform_device i2c_gpio12 = { + .name = "i2c-gpio", + .id = I2C_GPIO_BUS_12, + .dev = { + .platform_data = &i2c_gpio12_data, + }, +}; + +static struct i2c_board_info i2c_gpio12_devs[] __initdata = { + { + I2C_BOARD_INFO("mcs5080_touchkey", 0x20), + .platform_data = &touchkey_data, + }, +}; + +static void __init universal_touchkey_init(void) +{ + int gpio; + + gpio = EXYNOS4_GPE3(7); /* XMDMDATA_7 */ + gpio_request(gpio, "3_TOUCH_INT"); + s5p_register_gpio_interrupt(gpio); + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf)); + i2c_gpio12_devs[0].irq = gpio_to_irq(gpio); + + gpio = EXYNOS4_GPE3(3); /* XMDMDATA_3 */ + gpio_request(gpio, "3_TOUCH_EN"); + gpio_direction_output(gpio, 1); +} + /* GPIO KEYS */ static struct gpio_keys_button universal_gpio_keys_tables[] = { { @@ -619,6 +671,7 @@ static struct platform_device *universal_devices[] __initdata = { &s3c_device_i2c5, /* Universal Devices */ + &i2c_gpio12, &universal_gpio_keys, &s5p_device_onenand, }; @@ -640,6 +693,10 @@ static void __init universal_machine_init(void) s3c_i2c5_set_platdata(NULL); i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs)); + universal_touchkey_init(); + i2c_register_board_info(I2C_GPIO_BUS_12, i2c_gpio12_devs, + ARRAY_SIZE(i2c_gpio12_devs)); + /* Last */ platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices)); } |