From: Jani Nikula <ext-jani.1.nikula@xxxxxxxxx>
Initialize some of the RX-51 input GPIO lines as gpio keys.
Signed-off-by: Jani Nikula <ext-jani.1.nikula@xxxxxxxxx>
---
arch/arm/mach-omap2/board-rx51.c | 84 ++++++++++++++++++++++++++++++++++++++
1 files changed, 84 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index f1e7e5b..fe47790 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -16,6 +16,8 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -30,6 +32,86 @@
#include <plat/gpmc.h>
#include <plat/usb.h>
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+
+#define RX51_GPIO_CAMERA_LENSE_COVER 110
+#define RX51_GPIO_CAMERA_FOCUS 68
+#define RX51_GPIO_CAMERA_CAPTURE 69
+#define RX51_GPIO_KEYPAD_SLIDE 71
+#define RX51_GPIO_LOCK_BUTTON 113
+#define RX51_GPIO_PROXIMITY 89
+
+#define RX51_GPIO_DEBOUNCE_TIMEOUT 10
+
+static struct gpio_keys_button rx51_gpio_keys[] = {
+ {
+ .desc = "Camera Lense Cover",
+ .type = EV_SW,
+ .code = SW_CAMERA_LENSE_COVER,
+ .gpio = RX51_GPIO_CAMERA_LENSE_COVER,
+ .active_low = 1,
+ .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
+ }, {
+ .desc = "Camera Focus",
+ .type = EV_KEY,
+ .code = KEY_CAMERA_FOCUS,
+ .gpio = RX51_GPIO_CAMERA_FOCUS,
+ .active_low = 1,
+ .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
+ }, {
+ .desc = "Camera Capture",
+ .type = EV_KEY,
+ .code = KEY_CAMERA,
+ .gpio = RX51_GPIO_CAMERA_CAPTURE,
+ .active_low = 1,
+ .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
+ }, {
+ .desc = "Lock Button",
+ .type = EV_KEY,
+ .code = KEY_SCREENLOCK,
+ .gpio = RX51_GPIO_LOCK_BUTTON,
+ .active_low = 1,
+ .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
+ }, {
+ .desc = "Keypad Slide",
+ .type = EV_SW,
+ .code = SW_KEYPAD_SLIDE,
+ .gpio = RX51_GPIO_KEYPAD_SLIDE,
+ .active_low = 1,
+ .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
+ }, {
+ .desc = "Proximity Sensor",
+ .type = EV_SW,
+ .code = SW_FRONT_PROXIMITY,
+ .gpio = RX51_GPIO_PROXIMITY,
+ .active_low = 0,
+ .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT,
+ }
+};
+
+static struct gpio_keys_platform_data rx51_gpio_keys_data = {
+ .buttons = rx51_gpio_keys,
+ .nbuttons = ARRAY_SIZE(rx51_gpio_keys),
+};
+
+static struct platform_device rx51_gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &rx51_gpio_keys_data,
+ },
+};
+
+static void __init rx51_add_gpio_keys(void)
+{
+ platform_device_register(&rx51_gpio_keys_device);
+}
+#else
+static void __init rx51_add_gpio_keys(void)
+{
+}
+#endif
+
static struct omap_lcd_config rx51_lcd_config = {
.ctrl_name = "internal",
};
@@ -73,6 +155,8 @@ static void __init rx51_init(void)
/* Ensure SDRC pins are mux'd for self-refresh */
omap_cfg_reg(H16_34XX_SDRC_CKE0);
omap_cfg_reg(H17_34XX_SDRC_CKE1);
+
+ rx51_add_gpio_keys();
}
static void __init rx51_map_io(void)
--
1.6.5.2
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