diff options
| author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2010-03-11 10:42:52 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-04-07 16:22:09 +0900 |
| commit | 91cf5082292129881fbbfb6390b9544050c25619 (patch) | |
| tree | 825367f0bbbe2a0221fe992204f3ac56f60d607e /arch/arm/mach-shmobile/board-ap4evb.c | |
| parent | c1909cc19abdfa9f995036996603c9e969117e72 (diff) | |
| download | lwn-91cf5082292129881fbbfb6390b9544050c25619.tar.gz lwn-91cf5082292129881fbbfb6390b9544050c25619.zip | |
ARM: mach-shmobile: ap4evb: Add TouchScreen support
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile/board-ap4evb.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 1c2ec96ce261..b10431451f39 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -26,6 +26,8 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> +#include <linux/i2c.h> +#include <linux/i2c/tsc2007.h> #include <linux/io.h> #include <linux/smsc911x.h> #include <linux/gpio.h> @@ -234,6 +236,23 @@ static struct platform_device *ap4evb_devices[] __initdata = { &sdhi0_device, }; +/* TouchScreen */ +#define IRQ28 396 +struct tsc2007_platform_data tsc2007_info = { + .model = 2007, + .x_plate_ohms = 180, +}; + +/* I2C */ +static struct i2c_board_info i2c1_devices[] = { + { + I2C_BOARD_INFO("tsc2007", 0x48), + .type = "tsc2007", + .platform_data = &tsc2007_info, + .irq = IRQ28, + }, +}; + static struct map_desc ap4evb_io_desc[] __initdata = { /* create a 1:1 entity map for 0xe6xxxxxx * used by CPGA, INTC and PFC. @@ -318,6 +337,13 @@ static void __init ap4evb_init(void) gpio_request(GPIO_FN_SDHID0_1, NULL); gpio_request(GPIO_FN_SDHID0_0, NULL); + /* enable TouchScreen */ + gpio_request(GPIO_FN_IRQ28_123, NULL); + set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW); + + i2c_register_board_info(1, i2c1_devices, + ARRAY_SIZE(i2c1_devices)); + sh7372_add_standard_devices(); platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); |