diff options
Diffstat (limited to 'arch/sh/boards/mach-ecovec24/setup.c')
| -rw-r--r-- | arch/sh/boards/mach-ecovec24/setup.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 5f9881e16e2..3b1ceb46fa5 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -18,6 +18,7 @@ #include <linux/delay.h> #include <linux/usb/r8a66597.h> #include <linux/i2c.h> +#include <linux/i2c/tsc2007.h> #include <linux/input.h> #include <video/sh_mobile_lcdc.h> #include <media/sh_mobile_ceu.h> @@ -38,6 +39,20 @@ * 0x1800_0000 MFI 16bit */ +/* SWITCH + *------------------------------ + * DS2[1] = FlashROM write protect ON : write protect + * OFF : No write protect + * DS2[2] = RMII / TS, SCIF ON : RMII + * OFF : TS, SCIF3 + * DS2[3] = Camera / Video ON : Camera + * OFF : NTSC/PAL (IN) + * DS2[5] = NTSC_OUT Clock ON : On board OSC + * OFF : SH7724 DV_CLK + * DS2[6-7] = MMC / SD ON-OFF : SD + * OFF-ON : MMC + */ + /* Heartbeat */ static unsigned char led_pos[] = { 0, 1, 2, 3 }; static struct heartbeat_data heartbeat_data = { @@ -70,7 +85,7 @@ static struct mtd_partition nor_flash_partitions[] = { .name = "boot loader", .offset = 0, .size = (5 * 1024 * 1024), - .mask_flags = MTD_CAP_ROM, + .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "free-area", .offset = MTDPART_OFS_APPEND, @@ -376,6 +391,43 @@ static struct platform_device keysc_device = { }, }; +/* TouchScreen */ +#define IRQ0 32 +static int ts_get_pendown_state(void) +{ + int val = 0; + gpio_free(GPIO_FN_INTC_IRQ0); + gpio_request(GPIO_PTZ0, NULL); + gpio_direction_input(GPIO_PTZ0); + + val = gpio_get_value(GPIO_PTZ0); + + gpio_free(GPIO_PTZ0); + gpio_request(GPIO_FN_INTC_IRQ0, NULL); + + return val ? 0 : 1; +} + +static int ts_init(void) +{ + gpio_request(GPIO_FN_INTC_IRQ0, NULL); + return 0; +} + +struct tsc2007_platform_data tsc2007_info = { + .model = 2007, + .x_plate_ohms = 180, + .get_pendown_state = ts_get_pendown_state, + .init_platform_hw = ts_init, +}; + +static struct i2c_board_info ts_i2c_clients = { + I2C_BOARD_INFO("tsc2007", 0x48), + .type = "tsc2007", + .platform_data = &tsc2007_info, + .irq = IRQ0, +}; + static struct platform_device *ecovec_devices[] __initdata = { &heartbeat_device, &nor_flash_device, @@ -460,6 +512,11 @@ static void __init sh_eth_init(void) #define IODRIVEA 0xA405018A static int __init arch_setup(void) { + /* enable STATUS0, STATUS2 and PDSTATUS */ + gpio_request(GPIO_FN_STATUS0, NULL); + gpio_request(GPIO_FN_STATUS2, NULL); + gpio_request(GPIO_FN_PDSTATUS, NULL); + /* enable SCIFA0 */ gpio_request(GPIO_FN_SCIF0_TXD, NULL); gpio_request(GPIO_FN_SCIF0_RXD, NULL); @@ -590,6 +647,10 @@ static int __init arch_setup(void) */ gpio_request(GPIO_PTF4, NULL); gpio_direction_output(GPIO_PTF4, 1); + + /* enable TouchScreen */ + i2c_register_board_info(0, &ts_i2c_clients, 1); + set_irq_type(IRQ0, IRQ_TYPE_LEVEL_LOW); } /* enable CEU0 */ |