ramips: register gpio buttons on the WHR-G300N board

SVN-Revision: 19412

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig b/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig
index 3289bb79c5b9edff2eb55fe01ae185275ba02257..eda9870d01a8a5c98ff201f932784a8415e64d45 100644 (file)
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/Kconfig
@@ -5,6 +5,7 @@ menu "Ralink RT350x machine selection"
 config RT305X_MACH_WHR_G300N
        bool "Buffalo WHR-G300N support"
        default y
+       select RALINK_DEV_GPIO_BUTTONS
        select RALINK_DEV_GPIO_LEDS
 
 config RT305X_MACH_DIR_300_REVB

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c
index 9eccbebb397edfbdbcd40b8624d93514272485b6..5d015e26478bd7ff074d85bfce7ced7e1f014c38 100644 (file)
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c
@@ -1,7 +1,7 @@
 /*
  *  Buffalo WHR-G300N board support
  *
- *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2009-2010 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 +15,7 @@
 #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>
@@ -25,6 +26,13 @@
 #define WHR_G300N_GPIO_LED_ROUTER      9
 #define WHR_G300N_GPIO_LED_SECURITY    14
 
+#define WHR_G300N_GPIO_BUTTON_AOSS             0       /* active low */
+#define WHR_G300N_GPIO_BUTTON_RESET            10      /* active low */
+#define WHR_G300N_GPIO_BUTTON_ROUTER_ON                8       /* active low */
+#define WHR_G300N_GPIO_BUTTON_ROUTER_OFF       11      /* active low */
+
+#define WHR_G300N_BUTTONS_POLL_INTERVAL                20
+
 #ifdef CONFIG_MTD_PARTITIONS
 static struct mtd_partition whr_g300n_partitions[] = {
        {
@@ -85,6 +93,38 @@ static struct gpio_led whr_g300n_leds_gpio[] __initdata = {
        }
 };
 
+static struct gpio_button whr_g300n_gpio_buttons[] __initdata = {
+       {
+               .desc           = "reset",
+               .type           = EV_KEY,
+               .code           = BTN_0,
+               .threshold      = 3,
+               .gpio           = WHR_G300N_GPIO_BUTTON_RESET,
+               .active_low     = 1,
+       }, {
+               .desc           = "aoss",
+               .type           = EV_KEY,
+               .code           = BTN_1,
+               .threshold      = 3,
+               .gpio           = WHR_G300N_GPIO_BUTTON_AOSS,
+               .active_low     = 1,
+       }, {
+               .desc           = "router-off",
+               .type           = EV_KEY,
+               .code           = BTN_2,
+               .threshold      = 3,
+               .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_OFF,
+               .active_low     = 1,
+       }, {
+               .desc           = "router-on",
+               .type           = EV_KEY,
+               .code           = BTN_3,
+               .threshold      = 3,
+               .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_ON,
+               .active_low     = 1,
+       }
+};
+
 static void __init whr_g300n_init(void)
 {
        rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
@@ -93,6 +133,9 @@ static void __init whr_g300n_init(void)
        rt305x_register_ethernet();
        ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio),
                                  whr_g300n_leds_gpio);
+       ramips_register_gpio_buttons(-1, WHR_G300N_BUTTONS_POLL_INTERVAL,
+                                    ARRAY_SIZE(whr_g300n_gpio_buttons),
+                                    whr_g300n_gpio_buttons);
 }
 
 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "WHR-G300N", "Buffalo WHR-G300N",