[ar71xx] pb42: add GPIO buttons

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14877 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-pb42.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-pb42.c
index 67efe8f..154a1e4 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-pb42.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-pb42.c
@@ -11,6 +11,7 @@
 
 #include <linux/init.h>
 #include <linux/bitops.h>
+#include <linux/input.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
@@ -21,6 +22,11 @@
 
 #include "devices.h"
 
+#define PB42_BUTTONS_POLL_INTERVAL     20
+
+#define PB42_GPIO_BTN_SW4      8
+#define PB42_GPIO_BTN_SW5      3
+
 static struct spi_board_info pb42_spi_info[] = {
        {
                .bus_num        = 0,
@@ -46,6 +52,24 @@ static struct ar71xx_pci_irq pb42_pci_irqs[] __initdata = {
        }
 };
 
+static struct gpio_button pb42_gpio_buttons[] __initdata = {
+       {
+               .desc           = "sw4",
+               .type           = EV_KEY,
+               .code           = BTN_0,
+               .threshold      = 5,
+               .gpio           = PB42_GPIO_BTN_SW4,
+               .active_low     = 1,
+       } , {
+               .desc           = "sw5",
+               .type           = EV_KEY,
+               .code           = BTN_1,
+               .threshold      = 5,
+               .gpio           = PB42_GPIO_BTN_SW5,
+               .active_low     = 1,
+       }
+};
+
 #define PB42_WAN_PHYMASK       BIT(20)
 #define PB42_LAN_PHYMASK       (BIT(16) | BIT(17) | BIT(18) | BIT(19))
 #define PB42_MDIO_PHYMASK      (PB42_LAN_PHYMASK | PB42_WAN_PHYMASK)
@@ -68,6 +92,10 @@ static void __init pb42_init(void)
        ar71xx_add_device_eth(0);
        ar71xx_add_device_eth(1);
 
+       ar71xx_add_device_gpio_buttons(-1, PB42_BUTTONS_POLL_INTERVAL,
+                                      ARRAY_SIZE(pb42_gpio_buttons),
+                                      pb42_gpio_buttons);
+
        ar71xx_pci_init(ARRAY_SIZE(pb42_pci_irqs), pb42_pci_irqs);
 }