This adds support for a wakeup gpio which is connected to the
embedded controller. This will be used later on for wakeup from suspend.
Acked-by: Stephen Warren <swarren@xxxxxxxxxx>
Signed-off-by: Marc Dietrich <marvin24@xxxxxx>
---
arch/arm/mach-tegra/board-paz00.c | 27 +++++++++++++++++++++++++++
arch/arm/mach-tegra/board-paz00.h | 3 +++
2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index 55c55ba..799e420 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -23,8 +23,10 @@
#include <linux/serial_8250.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
+#include <linux/gpio_keys.h>
#include <linux/pda_power.h>
#include <linux/io.h>
+#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/rfkill-gpio.h>
@@ -114,12 +116,37 @@ static struct platform_device leds_gpio = {
},
};
+static struct gpio_keys_button paz00_gpio_keys_buttons[] = {
+ {
+ .code = KEY_POWER,
+ .gpio = TEGRA_GPIO_POWERKEY,
+ .active_low = 1,
+ .desc = "Power",
+ .type = EV_KEY,
+ .wakeup = 1,
+ },
+};
+
+static struct gpio_keys_platform_data paz00_gpio_keys = {
+ .buttons = paz00_gpio_keys_buttons,
+ .nbuttons = ARRAY_SIZE(paz00_gpio_keys_buttons),
+};
+
+static struct platform_device gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &paz00_gpio_keys,
+ },
+};
+
static struct platform_device *paz00_devices[] __initdata = {
&debug_uart,
&tegra_sdhci_device4,
&tegra_sdhci_device1,
&wifi_rfkill_device,
&leds_gpio,
+ &gpio_keys_device,
};
static void paz00_i2c_init(void)
diff --git a/arch/arm/mach-tegra/board-paz00.h b/arch/arm/mach-tegra/board-paz00.h
index 8aff06e..ffa83f5 100644
--- a/arch/arm/mach-tegra/board-paz00.h
+++ b/arch/arm/mach-tegra/board-paz00.h
@@ -32,6 +32,9 @@
#define TEGRA_WIFI_RST TEGRA_GPIO_PD1
#define TEGRA_WIFI_LED TEGRA_GPIO_PD0
+/* WakeUp */
+#define TEGRA_GPIO_POWERKEY TEGRA_GPIO_PJ7
+
void paz00_pinmux_init(void);
#endif
--
1.7.5.4
--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
