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Commit f014ee32 authored by Jani Nikula's avatar Jani Nikula Committed by Tony Lindgren
Browse files

ARM OMAP3: RX-51 board - add initialization of gpio keys 



Initialize some of the RX-51 input GPIO lines as gpio keys. Enable gpio
keys as a module in rx51_defconfig.

Signed-off-by: default avatarJani Nikula <ext-jani.1.nikula@nokia.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 76b5c84f

arch/arm/configs/rx51_defconfig

+1 −1
Original line number Diff line number Diff line
@@ -784,7 +784,7 @@ CONFIG_INPUT_KEYBOARD=y 
# CONFIG_KEYBOARD_XTKBD is not set

# CONFIG_KEYBOARD_NEWTON is not set

# CONFIG_KEYBOARD_STOWAWAY is not set

# CONFIG_KEYBOARD_GPIO is not set

CONFIG_KEYBOARD_GPIO=m

# CONFIG_INPUT_MOUSE is not set

# CONFIG_INPUT_JOYSTICK is not set

# CONFIG_INPUT_TABLET is not set

arch/arm/mach-omap2/board-rx51-peripherals.c

+82 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/delay.h>

#include <linux/regulator/machine.h>

#include <linux/gpio.h>

#include <linux/gpio_keys.h>

#include <linux/mmc/host.h>



#include <plat/mcspi.h>
@@ -36,6 +37,86 @@ 
#define SYSTEM_REV_B_USES_VAUX3	0x1699

#define SYSTEM_REV_S_USES_VAUX3 0x8



#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)



#define RX51_GPIO_CAMERA_LENS_COVER	110

#define RX51_GPIO_CAMERA_FOCUS		68

#define RX51_GPIO_CAMERA_CAPTURE	69

#define RX51_GPIO_KEYPAD_SLIDE		71

#define RX51_GPIO_LOCK_BUTTON		113

#define RX51_GPIO_PROXIMITY		89



#define RX51_GPIO_DEBOUNCE_TIMEOUT	10



static struct gpio_keys_button rx51_gpio_keys[] = {

	{

		.desc			= "Camera Lens Cover",

		.type			= EV_SW,

		.code			= SW_CAMERA_LENS_COVER,

		.gpio			= RX51_GPIO_CAMERA_LENS_COVER,

		.active_low		= 1,

		.debounce_interval	= RX51_GPIO_DEBOUNCE_TIMEOUT,

	}, {

		.desc			= "Camera Focus",

		.type			= EV_KEY,

		.code			= KEY_CAMERA_FOCUS,

		.gpio			= RX51_GPIO_CAMERA_FOCUS,

		.active_low		= 1,

		.debounce_interval	= RX51_GPIO_DEBOUNCE_TIMEOUT,

	}, {

		.desc			= "Camera Capture",

		.type			= EV_KEY,

		.code			= KEY_CAMERA,

		.gpio			= RX51_GPIO_CAMERA_CAPTURE,

		.active_low		= 1,

		.debounce_interval	= RX51_GPIO_DEBOUNCE_TIMEOUT,

	}, {

		.desc			= "Lock Button",

		.type			= EV_KEY,

		.code			= KEY_SCREENLOCK,

		.gpio			= RX51_GPIO_LOCK_BUTTON,

		.active_low		= 1,

		.debounce_interval	= RX51_GPIO_DEBOUNCE_TIMEOUT,

	}, {

		.desc			= "Keypad Slide",

		.type			= EV_SW,

		.code			= SW_KEYPAD_SLIDE,

		.gpio			= RX51_GPIO_KEYPAD_SLIDE,

		.active_low		= 1,

		.debounce_interval	= RX51_GPIO_DEBOUNCE_TIMEOUT,

	}, {

		.desc			= "Proximity Sensor",

		.type			= EV_SW,

		.code			= SW_FRONT_PROXIMITY,

		.gpio			= RX51_GPIO_PROXIMITY,

		.active_low		= 0,

		.debounce_interval	= RX51_GPIO_DEBOUNCE_TIMEOUT,

	}

};



static struct gpio_keys_platform_data rx51_gpio_keys_data = {

	.buttons	= rx51_gpio_keys,

	.nbuttons	= ARRAY_SIZE(rx51_gpio_keys),

};



static struct platform_device rx51_gpio_keys_device = {

	.name	= "gpio-keys",

	.id	= -1,

	.dev	= {

		.platform_data	= &rx51_gpio_keys_data,

	},

};



static void __init rx51_add_gpio_keys(void)

{

	platform_device_register(&rx51_gpio_keys_device);

}

#else

static void __init rx51_add_gpio_keys(void)

{

}

#endif /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */



static int board_keymap[] = {

	KEY(0, 0, KEY_Q),

	KEY(0, 1, KEY_O),
@@ -541,5 +622,6 @@ void __init rx51_peripherals_init(void) 
	rx51_i2c_init();

	board_onenand_init();

	board_smc91x_init();

	rx51_add_gpio_keys();

}