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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.patch135
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;
+