diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/300-reset_buttons.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.18/300-reset_buttons.patch | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/300-reset_buttons.patch b/target/linux/brcm63xx/patches-3.18/300-reset_buttons.patch new file mode 100644 index 0000000000..c64d405496 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.18/300-reset_buttons.patch @@ -0,0 +1,135 @@ +--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c ++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c +@@ -10,6 +10,8 @@ + #include <linux/init.h> + #include <linux/kernel.h> + #include <linux/string.h> ++#include <linux/gpio_keys.h> ++#include <linux/input.h> + #include <asm/addrspace.h> + #include <bcm63xx_board.h> + #include <bcm63xx_cpu.h> +@@ -26,6 +28,9 @@ + + #define HCS_OFFSET_128K 0x20000 + ++#define BCM963XX_KEYS_POLL_INTERVAL 20 ++#define BCM963XX_KEYS_DEBOUNCE_INTERVAL (BCM963XX_KEYS_POLL_INTERVAL * 3) ++ + /* + * known 3368 boards + */ +@@ -367,6 +372,16 @@ static struct board_info __initdata boar + .active_low = 1, + }, + }, ++ .buttons = { ++ { ++ .desc = "reset", ++ .gpio = 33, ++ .active_low = 1, ++ .type = EV_KEY, ++ .code = KEY_RESTART, ++ .debounce_interval = BCM963XX_KEYS_DEBOUNCE_INTERVAL, ++ }, ++ }, + }; + + static struct board_info __initdata board_96348gw = { +@@ -425,6 +440,16 @@ static struct board_info __initdata boar + .active_low = 1, + }, + }, ++ .buttons = { ++ { ++ .desc = "reset", ++ .gpio = 36, ++ .active_low = 1, ++ .type = EV_KEY, ++ .code = KEY_RESTART, ++ .debounce_interval = BCM963XX_KEYS_DEBOUNCE_INTERVAL, ++ }, ++ }, + }; + + static struct board_info __initdata board_FAST2404 = { +--- a/arch/mips/bcm63xx/boards/board_common.c ++++ b/arch/mips/bcm63xx/boards/board_common.c +@@ -12,6 +12,7 @@ + #include <linux/string.h> + #include <linux/platform_device.h> + #include <linux/ssb/ssb.h> ++#include <linux/gpio_keys.h> + #include <asm/addrspace.h> + #include <bcm63xx_board.h> + #include <bcm63xx_cpu.h> +@@ -32,6 +33,8 @@ + + #define PFX "board: " + ++#define BCM963XX_KEYS_POLL_INTERVAL 20 ++ + static struct board_info board; + + /* +@@ -151,11 +154,23 @@ static struct platform_device bcm63xx_gp + .dev.platform_data = &bcm63xx_led_data, + }; + ++static struct gpio_keys_platform_data bcm63xx_gpio_keys_data = { ++ .poll_interval = BCM963XX_KEYS_POLL_INTERVAL, ++}; ++ ++static struct platform_device bcm63xx_gpio_keys_device = { ++ .name = "gpio-keys-polled", ++ .id = 0, ++ .dev.platform_data = &bcm63xx_gpio_keys_data, ++}; ++ + /* + * third stage init callback, register all board devices. + */ + int __init board_register_devices(void) + { ++ int button_count = 0; ++ + if (board.has_uart0) + bcm63xx_uart_register(0); + +@@ -217,5 +232,16 @@ int __init board_register_devices(void) + gpio_request_one(board.ephy_reset_gpio, + board.ephy_reset_gpio_flags, "ephy-reset"); + ++ /* count number of BUTTONs defined by this device */ ++ while (button_count < ARRAY_SIZE(board.buttons) && board.buttons[button_count].desc) ++ button_count++; ++ ++ if (button_count) { ++ bcm63xx_gpio_keys_data.nbuttons = button_count; ++ bcm63xx_gpio_keys_data.buttons = board.buttons; ++ ++ platform_device_register(&bcm63xx_gpio_keys_device); ++ } ++ + return 0; + } +--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h ++++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h +@@ -3,6 +3,7 @@ + + #include <linux/types.h> + #include <linux/gpio.h> ++#include <linux/gpio_keys.h> + #include <linux/leds.h> + #include <bcm63xx_dev_enet.h> + #include <bcm63xx_dev_usb_usbd.h> +@@ -48,6 +49,9 @@ struct board_info { + /* GPIO LEDs */ + struct gpio_led leds[5]; + ++ /* Buttons */ ++ struct gpio_keys_button buttons[4]; ++ + /* External PHY reset GPIO */ + unsigned int ephy_reset_gpio; + |