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Commit c1c374d5 authored by Marc Dietrich's avatar Marc Dietrich Committed by Olof Johansson
Browse files

ARM: tegra: paz00: add support for wakeup gpio key 



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: default avatarStephen Warren <swarren@nvidia.com>
Signed-off-by: default avatarMarc Dietrich <marvin24@gmx.de>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 5611cc45

arch/arm/mach-tegra/board-paz00.c

+27 −0
Original line number Diff line number Diff line
@@ -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)

arch/arm/mach-tegra/board-paz00.h

+3 −0
Original line number Diff line number Diff line
@@ -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