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Commit dbd406f9 authored by Jochen Friedrich's avatar Jochen Friedrich Committed by Russell King
Browse files

ARM: 7025/1: simpad: add GPIO based device definitions. 



Register keyboard, polled keyboard and I2C platform
devices based on GPIOs.

Signed-off-by: default avatarJochen Friedrich <jochen@scram.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent de0bc0d1

arch/arm/mach-sa1100/simpad.c

+66 −1
Original line number Diff line number Diff line
@@ -29,6 +29,9 @@ 


#include <linux/serial_core.h>

#include <linux/ioport.h>

#include <linux/input.h>

#include <linux/gpio_keys.h>

#include <linux/i2c-gpio.h>



#include "generic.h"
@@ -249,6 +252,65 @@ static void simpad_power_off(void) 


}



/*

 * gpio_keys

*/



static struct gpio_keys_button simpad_button_table[] = {

	{ KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" },

};



static struct gpio_keys_platform_data simpad_keys_data = {

	.buttons = simpad_button_table,

	.nbuttons = ARRAY_SIZE(simpad_button_table),

};



static struct platform_device simpad_keys = {

	.name = "gpio-keys",

	.dev = {

		.platform_data = &simpad_keys_data,

	},

};



static struct gpio_keys_button simpad_polled_button_table[] = {

	{ KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" },

	{ KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" },

	{ KEY_UP,    SIMPAD_UCB1X00_GPIO_UP,    1, "up button" },

	{ KEY_DOWN,  SIMPAD_UCB1X00_GPIO_DOWN,  1, "down button" },

	{ KEY_LEFT,  SIMPAD_UCB1X00_GPIO_LEFT,  1, "left button" },

	{ KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" },

};



static struct gpio_keys_platform_data simpad_polled_keys_data = {

	.buttons = simpad_polled_button_table,

	.nbuttons = ARRAY_SIZE(simpad_polled_button_table),

	.poll_interval = 50,

};



static struct platform_device simpad_polled_keys = {

	.name = "gpio-keys-polled",

	.dev = {

		.platform_data = &simpad_polled_keys_data,

	},

};



/*

 * i2c

 */

static struct i2c_gpio_platform_data simpad_i2c_data = {

	.sda_pin = GPIO_GPIO21,

	.scl_pin = GPIO_GPIO25,

	.udelay = 10,

	.timeout = HZ,

};



static struct platform_device simpad_i2c = {

	.name = "i2c-gpio",

	.id = 0,

	.dev = {

		.platform_data = &simpad_i2c_data,

	},

};



/*

 * MediaQ Video Device
@@ -259,7 +321,10 @@ static struct platform_device simpad_mq200fb = { 
};



static struct platform_device *devices[] __initdata = {

	&simpad_mq200fb

	&simpad_keys,

	&simpad_polled_keys,

	&simpad_mq200fb,

	&simpad_i2c,

};