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Code

add power button driver

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This commit is contained in:
Xiangfu Liu 2009-10-03 11:17:11 -04:00
parent 2f3ac925c4
commit 4fc4138e68
1 changed files with 76 additions and 0 deletions
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76
target/linux/xburst/patches-2.6.31/510-power-button.patch Normal file
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@ -0,0 +1,76 @@
diff --git a/arch/mips/include/asm/mach-jz4740/board-qi_lb60.h b/arch/mips/include/asm/mach-jz4740/board-qi_lb60.h
index 2c3260f..aa461bd 100644
--- a/arch/mips/include/asm/mach-jz4740/board-qi_lb60.h
+++ b/arch/mips/include/asm/mach-jz4740/board-qi_lb60.h
@@ -35,6 +35,7 @@
#define GPIO_LCD_CS JZ_GPIO_PORTC(21)
#define GPIO_DISP_OFF_N JZ_GPIO_PORTD(21)
#define GPIO_PWM JZ_GPIO_PORTD(27)
+#define GPIO_WAKEUP_N JZ_GPIO_PORTD(29)
#define GPIO_AMP_EN JZ_GPIO_PORTD(4)
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 127fad8..c6ef60c 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -97,6 +97,7 @@ static void __init board_gpio_setup(void)
__gpio_as_input(GPIO_DC_DETE_N);
__gpio_as_input(GPIO_CHARG_STAT_N);
+ __gpio_as_input(GPIO_WAKEUP_N);
}
void __init jz_board_setup(void)
diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c
index dc7a832..16a0008 100644
--- a/arch/mips/jz4740/platform.c
+++ b/arch/mips/jz4740/platform.c
@@ -21,6 +21,8 @@
#include <linux/spi/spi_gpio.h>
#include <linux/power_supply.h>
#include <linux/jz4740_batt.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
#include <asm/jzsoc.h>
#include <asm/gpio.h>
@@ -492,6 +494,30 @@ static struct platform_device batt_gpio_device = {
},
};
+/* GPIO Key: power */
+static const struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
+ [0] = {
+ .code = KEY_POWER,
+ .gpio = GPIO_WAKEUP_N,
+ .active_low = 1,
+ .desc = "power button",
+ },
+};
+
+static const struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
+ .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
+ .buttons = qi_lb60_gpio_keys_buttons,
+};
+
+static struct platform_device qi_lb60_gpio_keys = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = (void *) &qi_lb60_gpio_keys_data,
+ }
+};
+
+
/* All */
static struct platform_device *jz_platform_devices[] __initdata = {
&jz_usb_ohci_device,
@@ -506,6 +532,7 @@ static struct platform_device *jz_platform_devices[] __initdata = {
&jz_codec_device,
&jz_rtc_device,
&batt_gpio_device,
+ &qi_lb60_gpio_keys,
};
static int __init jz_platform_init(void)