Add support for the h1940 buttons/keys connected to GPIOs.
Signed-off-by: Arnaud Patard <arnaud.patard@xxxxxxxxxxx>
---
arch/arm/mach-s3c2410/mach-h1940.c | 39 39 + 0 - 0 !
1 file changed, 39 insertions(+)
Index: linux/arch/arm/mach-s3c2410/mach-h1940.c
===================================================================
--- linux.orig/arch/arm/mach-s3c2410/mach-h1940.c 2010-10-09 22:26:52.652798539 +0200
+++ linux/arch/arm/mach-s3c2410/mach-h1940.c 2010-10-09 22:27:36.944815754 +0200
@@ -23,6 +23,8 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
#include <linux/pwm_backlight.h>
#include <video/platform_lcd.h>
@@ -365,7 +367,44 @@ static struct platform_device h1940_lcd_
.dev.platform_data = &h1940_lcd_power_data,
};
+#define DECLARE_BUTTON(p, k, n, w) \
+ { \
+ .gpio = p, \
+ .code = k, \
+ .desc = n, \
+ .wakeup = w, \
+ .active_low = 1, \
+ }
+
+static struct gpio_keys_button h1940_buttons[] = {
+ DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
+ DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
+ DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
+ DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
+ DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
+ DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
+ DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
+ DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
+ DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
+ DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
+ DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
+};
+
+static struct gpio_keys_platform_data h1940_buttons_data = {
+ .buttons = h1940_buttons,
+ .nbuttons = ARRAY_SIZE(h1940_buttons),
+};
+
+static struct platform_device h1940_dev_buttons = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &h1940_buttons_data,
+ }
+};
+
static struct platform_device *h1940_devices[] __initdata = {
+ &h1940_dev_buttons,
&s3c_device_ohci,
&s3c_device_lcd,
&s3c_device_wdt,
--
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