[PATCH] ARM: mach-mx5/mx53_ard: Add gpio_keys support
From: Daiane Angolini <hidden>
Date: 2011-06-30 17:41:46
Signed-off-by: Daiane Angolini <redacted> --- arch/arm/mach-mx5/Kconfig | 1 + arch/arm/mach-mx5/board-mx53_ard.c | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 6a47d4c..b4e7c58 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig@@ -216,6 +216,7 @@ config MACH_MX53_ARD select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_UART select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX + select IMX_HAVE_PLATFORM_GPIO_KEYS help Include support for MX53 ARD platform. This includes specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c
index 280cefc..e2b8b2f 100644
--- a/arch/arm/mach-mx5/board-mx53_ard.c
+++ b/arch/arm/mach-mx5/board-mx53_ard.c@@ -39,6 +39,11 @@ #define ARD_SD1_CD IMX_GPIO_NR(1, 1) #define ARD_SD1_WP IMX_GPIO_NR(1, 9) #define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3) +#define ARD_VOLUMEDOWN IMX_GPIO_NR(4, 0) +#define ARD_HOME IMX_GPIO_NR(5, 10) +#define ARD_BACK IMX_GPIO_NR(5, 11) +#define ARD_PROG IMX_GPIO_NR(5, 12) +#define ARD_VOLUMEUP IMX_GPIO_NR(5, 13) static iomux_v3_cfg_t mx53_ard_pads[] = { /* UART1 */
@@ -91,6 +96,35 @@ static iomux_v3_cfg_t mx53_ard_pads[] = { /* I2C3 */ MX53_PAD_GPIO_3__I2C3_SCL, MX53_PAD_GPIO_16__I2C3_SDA, + /* GPIO */ + MX53_PAD_DISP0_DAT16__GPIO5_10, /* home */ + MX53_PAD_DISP0_DAT17__GPIO5_11, /* back */ + MX53_PAD_DISP0_DAT18__GPIO5_12, /* prog */ + MX53_PAD_DISP0_DAT19__GPIO5_13, /* vol up */ + MX53_PAD_GPIO_10__GPIO4_0, /* vol down */ +}; + +#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \ +{ \ + .gpio = gpio_num, \ + .type = EV_KEY, \ + .code = ev_code, \ + .active_low = act_low, \ + .desc = "btn " descr, \ + .wakeup = wake, \ +} + +static struct gpio_keys_button ard_buttons[] = { + GPIO_BUTTON(ARD_HOME, KEY_HOME, 1, "home", 0), + GPIO_BUTTON(ARD_BACK, KEY_BACK, 1, "back", 0), + GPIO_BUTTON(ARD_PROG, KEY_PROGRAM, 1, "program", 0), + GPIO_BUTTON(ARD_VOLUMEUP, KEY_VOLUMEUP, 1, "volume-up", 0), + GPIO_BUTTON(ARD_VOLUMEDOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0), +}; + +static const struct gpio_keys_platform_data ard_button_data __initconst = { + .buttons = ard_buttons, + .nbuttons = ARRAY_SIZE(ard_buttons), }; static struct resource ard_smsc911x_resources[] = {
@@ -199,6 +233,7 @@ static void __init mx53_ard_board_init(void) imx53_add_imx2_wdt(0, NULL); imx53_add_imx_i2c(1, &mx53_ard_i2c2_data); imx53_add_imx_i2c(2, &mx53_ard_i2c3_data); + imx_add_gpio_keys(&ard_button_data); } static void __init mx53_ard_timer_init(void)
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1.7.4.1