From: Jani Nikula <ext-jani.1.nikula@xxxxxxxxx>
Initialize some of the RX-51 input GPIO lines as gpio keys. Enable gpio
keys as a module in rx51_defconfig.
Signed-off-by: Jani Nikula <ext-jani.1.nikula@xxxxxxxxx>
---
arch/arm/configs/rx51_defconfig | 2 +-
arch/arm/mach-omap2/board-rx51-peripherals.c | 82 ++++++++++++++++++++++++++
2 files changed, 83 insertions(+), 1 deletions(-)
diff --git a/arch/arm/configs/rx51_defconfig b/arch/arm/configs/rx51_defconfig
index e7e3133..1559734 100644
--- a/arch/arm/configs/rx51_defconfig
+++ b/arch/arm/configs/rx51_defconfig
@@ -784,7 +784,7 @@ CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
-# CONFIG_KEYBOARD_GPIO is not set
+CONFIG_KEYBOARD_GPIO=m
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index cf4583a..fb5988c 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -20,6 +20,7 @@
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
#include <linux/mmc/host.h>
#include <plat/mcspi.h>
@@ -36,6 +37,86 @@
#define SYSTEM_REV_B_USES_VAUX3 0x1699
#define SYSTEM_REV_S_USES_VAUX3 0x8
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+
+#define RX51_GPIO_CAMERA_LENS_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 Lens Cover",
+ .type = EV_SW,
+ .code = SW_CAMERA_LENS_COVER,
+ .gpio = RX51_GPIO_CAMERA_LENS_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 /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */
+
static int board_keymap[] = {
KEY(0, 0, KEY_Q),
KEY(0, 1, KEY_O),
@@ -541,5 +622,6 @@ void __init rx51_peripherals_init(void)
rx51_i2c_init();
board_onenand_init();
board_smc91x_init();
+ rx51_add_gpio_keys();
}
--
1.6.5.2
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
