diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-04-07 05:14:59 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-04-11 08:46:53 +0200 |
| commit | d36918adbc7a0e28b27b02526f225c3387c1996b (patch) | |
| tree | 3bb58a0dd766c9feb49cba33ca7726fe509bcee0 /arch/arm/boards/at91sam9m10g45ek | |
| parent | 675afd265b51aa0c3622787819e3555b7bcc9fd9 (diff) | |
| download | barebox-d36918adbc7a0e28b27b02526f225c3387c1996b.tar.gz barebox-d36918adbc7a0e28b27b02526f225c3387c1996b.tar.xz | |
at91sam9m10g45ek: add gpio keys support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/at91sam9m10g45ek')
| -rw-r--r-- | arch/arm/boards/at91sam9m10g45ek/init.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/boards/at91sam9m10g45ek/init.c b/arch/arm/boards/at91sam9m10g45ek/init.c index 6011bad2f6..c4b1a97f8e 100644 --- a/arch/arm/boards/at91sam9m10g45ek/init.c +++ b/arch/arm/boards/at91sam9m10g45ek/init.c @@ -41,6 +41,8 @@ #include <mach/io.h> #include <mach/at91sam9_smc.h> #include <mach/sam9_smc.h> +#include <gpio_keys.h> +#include <readkey.h> /* * board revision encoding @@ -164,6 +166,54 @@ static void ek_device_add_leds(void) static void ek_device_add_leds(void) {} #endif +#ifdef CONFIG_KEYBOARD_GPIO +struct gpio_keys_button keys[] = { + { + .code = KEY_HOME, + .gpio = AT91_PIN_PB6, + }, { + .code = KEY_RETURN, + .gpio = AT91_PIN_PB7, + }, { + .code = KEY_LEFT, + .gpio = AT91_PIN_PB14, + }, { + .code = KEY_RIGHT, + .gpio = AT91_PIN_PB15, + }, { + .code = KEY_UP, + .gpio = AT91_PIN_PB16, + }, { + .code = KEY_DOWN, + .gpio = AT91_PIN_PB17, + }, { + .code = KEY_RETURN, + .gpio = AT91_PIN_PB18, + }, +}; + +struct gpio_keys_platform_data gk_pdata = { + .buttons = keys, + .nbuttons = ARRAY_SIZE(keys), +}; + +static void ek_device_add_keyboard(void) +{ + int i; + + for (i = 0; i < gk_pdata.nbuttons; i++) { + /* user push button, pull up enabled */ + keys[i].active_low = 1; + at91_set_GPIO_periph(keys[i].gpio, keys[i].active_low); + at91_set_deglitch(keys[i].gpio, 1); + } + + add_gpio_keys_device(-1, &gk_pdata); +} +#else +static void ek_device_add_keyboard(void) {} +#endif + static int at91sam9m10g45ek_mem_init(void) { at91_add_device_sdram(128 * 1024 * 1024); @@ -178,6 +228,7 @@ static int at91sam9m10g45ek_devices_init(void) at91_add_device_eth(0, &macb_pdata); ek_add_device_mci(); ek_device_add_leds(); + ek_device_add_keyboard(); devfs_add_partition("nand0", 0x00000, SZ_128K, PARTITION_FIXED, "at91bootstrap_raw"); dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap"); |