ramips: register gpio buttons on the Fonera 2.0N board

SVN-Revision: 19413

target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig

@@ -23,6 +23,7 @@ config RT305X_MACH_V22RW_2X2
 config RT305X_MACH_FONERA20N
 	bool "La Fonera20N board support"
 	default y
+	select RALINK_DEV_GPIO_BUTTONS
 	select RALINK_DEV_GPIO_LEDS
 
 endmenu

target/linux/ramips/files/arch/mips/ralink/rt305x/mach-fonera20n.c

@@ -2,6 +2,7 @@
  *  La Fonera20N board support
  *
  *  Copyright (C) 2009 John Crispin <blogic@openwrt.org>
+ *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License version 2 as published
@@ -15,6 +16,7 @@
 #include <linux/mtd/physmap.h>
 
 #include <asm/mach-ralink/machine.h>
+#include <asm/mach-ralink/dev-gpio-buttons.h>
 #include <asm/mach-ralink/dev-gpio-leds.h>
 #include <asm/mach-ralink/rt305x.h>
 #include <asm/mach-ralink/rt305x_regs.h>
@@ -27,6 +29,8 @@
 #define FONERA20N_GPIO_LED_POWER	9
 #define FONERA20N_GPIO_LED_USB		14
 
+#define FONERA20N_BUTTONS_POLL_INTERVAL	20
+
 #ifdef CONFIG_MTD_PARTITIONS
 static struct mtd_partition fonera20n_partitions[] = {
 	{
@@ -83,6 +87,24 @@ static struct gpio_led fonera20n_leds_gpio[] __initdata = {
 	}
 };
 
+static struct gpio_button fonera20n_gpio_buttons[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.threshold	= 3,
+		.gpio		= FONERA20N_GPIO_BUTTON_RESET,
+		.active_low	= 1,
+	}, {
+		.desc		= "switch",
+		.type		= EV_KEY,
+		.code		= BTN_1,
+		.threshold	= 3,
+		.gpio		= FONERA20N_GPIO_SWITCH,
+		.active_low	= 1,
+	}
+};
+
 static void __init fonera20n_init(void)
 {
 	rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
@@ -92,6 +114,10 @@ static void __init fonera20n_init(void)
 	ramips_register_gpio_leds(-1, ARRAY_SIZE(fonera20n_leds_gpio),
 				  fonera20n_leds_gpio);
 
+	ramips_register_gpio_buttons(-1, FONERA20N_BUTTONS_POLL_INTERVAL,
+				     ARRAY_SIZE(fonera20n_gpio_buttons),
+				     fonera20n_gpio_buttons);
+
 	rt305x_register_ethernet();
 }