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Diffstat (limited to 'arch/arm/mach-mx5/board-mx53_loco.c')
-rw-r--r--arch/arm/mach-mx5/board-mx53_loco.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 0a18f8d..10a1bea 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -36,6 +36,9 @@
#include "crm_regs.h"
#include "devices-imx53.h"
+#define MX53_LOCO_POWER IMX_GPIO_NR(1, 8)
+#define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14)
+#define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15)
#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
static iomux_v3_cfg_t mx53_loco_pads[] = {
@@ -180,6 +183,27 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
MX53_PAD_GPIO_8__GPIO1_8,
};
+#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 const struct gpio_keys_button loco_buttons[] __initconst = {
+ GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
+ GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
+ GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
+};
+
+static const struct gpio_keys_platform_data loco_button_data __initconst = {
+ .buttons = loco_buttons,
+ .nbuttons = ARRAY_SIZE(loco_buttons),
+};
+
static inline void mx53_loco_fec_reset(void)
{
int ret;
@@ -215,6 +239,7 @@ static void __init mx53_loco_board_init(void)
imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
imx53_add_sdhci_esdhc_imx(0, NULL);
imx53_add_sdhci_esdhc_imx(2, NULL);
+ imx_add_gpio_keys(&loco_button_data);
}
static void __init mx53_loco_timer_init(void)