diff options
| -rw-r--r-- | arch/arm/mach-shmobile/board-mackerel.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index a0caa9e39c5a..3e30a5250414 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -36,6 +36,7 @@ #include <linux/mtd/physmap.h> #include <linux/smsc911x.h> #include <linux/sh_intc.h> +#include <linux/tca6416_keypad.h> #include <linux/usb/r8a66597.h> #include <video/sh_mobile_lcdc.h> @@ -413,11 +414,44 @@ static struct platform_device *mackerel_devices[] __initdata = { &fsi_ak4643_device, }; +/* Keypad Initialization */ +#define KEYPAD_BUTTON(ev_type, ev_code, act_low) \ +{ \ + .type = ev_type, \ + .code = ev_code, \ + .active_low = act_low, \ +} + +#define KEYPAD_BUTTON_LOW(event_code) KEYPAD_BUTTON(EV_KEY, event_code, 1) + +static struct tca6416_button mackerel_gpio_keys[] = { + KEYPAD_BUTTON_LOW(KEY_HOME), + KEYPAD_BUTTON_LOW(KEY_MENU), + KEYPAD_BUTTON_LOW(KEY_BACK), + KEYPAD_BUTTON_LOW(KEY_POWER), +}; + +static struct tca6416_keys_platform_data mackerel_tca6416_keys_info = { + .buttons = mackerel_gpio_keys, + .nbuttons = ARRAY_SIZE(mackerel_gpio_keys), + .rep = 1, + .use_polling = 0, + .pinmask = 0x000F, +}; + /* I2C */ +#define IRQ9 evt2irq(0x0320) + static struct i2c_board_info i2c0_devices[] = { { I2C_BOARD_INFO("ak4643", 0x13), }, + /* Keypad */ + { + I2C_BOARD_INFO("tca6408-keys", 0x20), + .platform_data = &mackerel_tca6416_keys_info, + .irq = IRQ9, + }, }; #define IRQ21 evt2irq(0x32a0) @@ -525,6 +559,10 @@ static void __init mackerel_init(void) intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */ + /* enable Keypad */ + gpio_request(GPIO_FN_IRQ9_42, NULL); + set_irq_type(IRQ9, IRQ_TYPE_LEVEL_HIGH); + /* enable Accelerometer */ gpio_request(GPIO_FN_IRQ21, NULL); set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH); |