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102 lines
2.5 KiB
102 lines
2.5 KiB
10 years ago
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--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
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+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
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@@ -10,6 +10,8 @@
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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+#include <linux/gpio_keys.h>
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+#include <linux/input.h>
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#include <asm/addrspace.h>
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#include <bcm63xx_board.h>
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#include <bcm63xx_cpu.h>
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@@ -26,6 +28,9 @@
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#define HCS_OFFSET_128K 0x20000
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+#define BCM963XX_KEYS_POLL_INTERVAL 20
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+#define BCM963XX_KEYS_DEBOUNCE_INTERVAL (BCM963XX_KEYS_POLL_INTERVAL * 3)
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+
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/*
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* known 3368 boards
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*/
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--- a/arch/mips/bcm63xx/boards/board_common.c
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+++ b/arch/mips/bcm63xx/boards/board_common.c
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@@ -12,6 +12,7 @@
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#include <linux/string.h>
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#include <linux/platform_device.h>
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#include <linux/ssb/ssb.h>
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+#include <linux/gpio_keys.h>
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#include <asm/addrspace.h>
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#include <bcm63xx_board.h>
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#include <bcm63xx_cpu.h>
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@@ -32,6 +33,8 @@
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#define PFX "board: "
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+#define BCM963XX_KEYS_POLL_INTERVAL 20
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+
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static struct board_info board;
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/*
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@@ -151,11 +154,23 @@ static struct platform_device bcm63xx_gp
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.dev.platform_data = &bcm63xx_led_data,
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};
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+static struct gpio_keys_platform_data bcm63xx_gpio_keys_data = {
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+ .poll_interval = BCM963XX_KEYS_POLL_INTERVAL,
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+};
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+
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+static struct platform_device bcm63xx_gpio_keys_device = {
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+ .name = "gpio-keys-polled",
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+ .id = 0,
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+ .dev.platform_data = &bcm63xx_gpio_keys_data,
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+};
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+
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/*
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* third stage init callback, register all board devices.
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*/
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int __init board_register_devices(void)
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{
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+ int button_count = 0;
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+
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if (board.has_uart0)
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bcm63xx_uart_register(0);
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@@ -217,5 +232,16 @@ int __init board_register_devices(void)
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gpio_request_one(board.ephy_reset_gpio,
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board.ephy_reset_gpio_flags, "ephy-reset");
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+ /* count number of BUTTONs defined by this device */
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+ while (button_count < ARRAY_SIZE(board.buttons) && board.buttons[button_count].desc)
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+ button_count++;
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+
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+ if (button_count) {
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+ bcm63xx_gpio_keys_data.nbuttons = button_count;
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+ bcm63xx_gpio_keys_data.buttons = board.buttons;
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+
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+ platform_device_register(&bcm63xx_gpio_keys_device);
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+ }
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+
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return 0;
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}
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--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
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@@ -3,6 +3,7 @@
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#include <linux/types.h>
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#include <linux/gpio.h>
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+#include <linux/gpio_keys.h>
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#include <linux/leds.h>
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#include <bcm63xx_dev_enet.h>
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#include <bcm63xx_dev_usb_usbd.h>
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@@ -48,6 +49,9 @@ struct board_info {
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/* GPIO LEDs */
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struct gpio_led leds[5];
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+ /* Buttons */
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+ struct gpio_keys_button buttons[4];
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+
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/* External PHY reset GPIO */
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unsigned int ephy_reset_gpio;
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