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openwrt-xburst/target/linux/brcm63xx/patches-3.3/300-reset_buttons.patch
florian a1c9b29340 [brcm63xx] use a define for the poll and debounce interval
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31550 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-05-02 15:40:26 +00:00

117 lines
2.8 KiB
Diff

--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -15,6 +15,8 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/ssb/ssb.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
#include <asm/addrspace.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
@@ -30,6 +32,9 @@
#define PFX "board_bcm963xx: "
+#define BCM963XX_KEYS_POLL_INTERVAL 20
+#define BCM963XX_KEYS_DEBOUNCE_INTERVAL (BCM963XX_KEYS_POLL_INTERVAL * 3)
+
static struct bcm963xx_nvram nvram;
static unsigned int mac_addr_used;
static struct board_info board;
@@ -295,6 +300,16 @@ 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 = {
@@ -353,6 +368,16 @@ 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 = {
@@ -851,12 +876,23 @@ 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)
{
u32 val;
+ int button_count = 0;
if (board.has_uart0)
bcm63xx_uart_register(0);
@@ -907,5 +943,16 @@ int __init board_register_devices(void)
platform_device_register(&bcm63xx_gpio_leds);
+ /* 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_dsp.h>
@@ -57,6 +58,9 @@ struct board_info {
/* GPIO LEDs */
struct gpio_led leds[5];
+
+ /* Buttons */
+ struct gpio_keys_button buttons[4];
};
#endif /* ! BOARD_BCM963XX_H_ */