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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 16:17:39 +0200 |
| commit | 0b398b69e1941fc00f9dd33f6ce05bd66843d534 (patch) | |
| tree | 95e2d761a93b35604901d0a485ee290773324f22 /arch/arm/mach-exynos4 | |
| parent | ARM: EXYNOS4: Add MCS Touchkey device on Universal_C210 (diff) | |
| download | linux-0b398b69e1941fc00f9dd33f6ce05bd66843d534.tar.xz linux-0b398b69e1941fc00f9dd33f6ce05bd66843d534.zip | |
ARM: EXYNOS4: Add qt602240 touch screen device on Universal_C210
This patch adds definitions to enable support for qt602240 touch screen
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/arm/mach-exynos4')
| -rw-r--r-- | arch/arm/mach-exynos4/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-exynos4/mach-universal_c210.c | 47 |
2 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index 08482439acc3..14137782f289 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -162,9 +162,11 @@ config MACH_UNIVERSAL_C210 select S3C_DEV_HSMMC2 select S3C_DEV_HSMMC3 select S3C_DEV_I2C1 + select S3C_DEV_I2C3 select S3C_DEV_I2C5 select S5P_DEV_ONENAND select EXYNOS4_SETUP_I2C1 + select EXYNOS4_SETUP_I2C3 select EXYNOS4_SETUP_I2C5 select EXYNOS4_SETUP_SDHCI help diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c index 83c83cce2478..5d8b097bb697 100644 --- a/arch/arm/mach-exynos4/mach-universal_c210.c +++ b/arch/arm/mach-exynos4/mach-universal_c210.c @@ -20,6 +20,7 @@ #include <linux/mmc/host.h> #include <linux/i2c-gpio.h> #include <linux/i2c/mcs.h> +#include <linux/i2c/atmel_mxt_ts.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> @@ -29,6 +30,7 @@ #include <plat/cpu.h> #include <plat/devs.h> #include <plat/iic.h> +#include <plat/gpio-cfg.h> #include <plat/sdhci.h> #include <mach/map.h> @@ -479,6 +481,46 @@ static struct i2c_board_info i2c5_devs[] __initdata = { }, }; +/* I2C3 (TSP) */ +static struct mxt_platform_data qt602240_platform_data = { + .x_line = 19, + .y_line = 11, + .x_size = 800, + .y_size = 480, + .blen = 0x11, + .threshold = 0x28, + .voltage = 2800000, /* 2.8V */ + .orient = MXT_DIAGONAL, +}; + +static struct i2c_board_info i2c3_devs[] __initdata = { + { + I2C_BOARD_INFO("qt602240_ts", 0x4a), + .platform_data = &qt602240_platform_data, + }, +}; + +static void __init universal_tsp_init(void) +{ + int gpio; + + /* TSP_LDO_ON: XMDMADDR_11 */ + gpio = EXYNOS4_GPE2(3); + gpio_request(gpio, "TSP_LDO_ON"); + gpio_direction_output(gpio, 1); + gpio_export(gpio, 0); + + /* TSP_INT: XMDMADDR_7 */ + gpio = EXYNOS4_GPE1(7); + gpio_request(gpio, "TSP_INT"); + + s5p_register_gpio_interrupt(gpio); + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP); + i2c3_devs[0].irq = gpio_to_irq(gpio); +} + + /* GPIO I2C 12 (3 Touchkey) */ static uint32_t touchkey_keymap[] = { /* MCS_KEY_MAP(value, keycode) */ @@ -668,6 +710,7 @@ static struct platform_device *universal_devices[] __initdata = { &s3c_device_hsmmc0, &s3c_device_hsmmc2, &s3c_device_hsmmc3, + &s3c_device_i2c3, &s3c_device_i2c5, /* Universal Devices */ @@ -690,6 +733,10 @@ static void __init universal_machine_init(void) i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs)); i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs)); + universal_tsp_init(); + s3c_i2c3_set_platdata(NULL); + i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs)); + s3c_i2c5_set_platdata(NULL); i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs)); |