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Commit 5c6db1a4 authored by Simon Horman's avatar Simon Horman
Browse files

ARM: shmobile: ape6evm: support GPIO switches 



The ape6evm board has switches S16 - S23 wired up to GPIO pins.
This patch allows access to those pins as gpio-keys.

Acked-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent f79d68da

arch/arm/mach-shmobile/board-ape6evm.c

+23 −0
Original line number Original line Diff line number Diff line
@@ -19,6 +19,8 @@ 
 */

 */





#include <linux/gpio.h>

#include <linux/gpio.h>

#include <linux/gpio_keys.h>

#include <linux/input.h>

#include <linux/interrupt.h>

#include <linux/interrupt.h>

#include <linux/kernel.h>

#include <linux/kernel.h>

#include <linux/mfd/tmio.h>

#include <linux/mfd/tmio.h>
@@ -37,6 +39,24 @@ 
#include <asm/mach-types.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/arch.h>





/* GPIO KEY */

#define GPIO_KEY(c, g, d, ...) \

	{ .code = c, .gpio = g, .desc = d, .active_low = 1 }



static struct gpio_keys_button gpio_buttons[] = {

	GPIO_KEY(KEY_0,			324,	"S16"),

	GPIO_KEY(KEY_MENU,		325,	"S17"),

	GPIO_KEY(KEY_HOME,		326,	"S18"),

	GPIO_KEY(KEY_BACK,		327,	"S19"),

	GPIO_KEY(KEY_VOLUMEUP,		328,	"S20"),

	GPIO_KEY(KEY_VOLUMEDOWN,	329,	"S21"),

};



static struct __initdata gpio_keys_platform_data ape6evm_keys_pdata = {

	.buttons	= gpio_buttons,

	.nbuttons	= ARRAY_SIZE(gpio_buttons),

};



/* Dummy supplies, where voltage doesn't matter */

/* Dummy supplies, where voltage doesn't matter */

static struct regulator_consumer_supply dummy_supplies[] = {

static struct regulator_consumer_supply dummy_supplies[] = {

	REGULATOR_SUPPLY("vddvario", "smsc911x"),

	REGULATOR_SUPPLY("vddvario", "smsc911x"),
@@ -172,6 +192,9 @@ static void __init ape6evm_add_standard_devices(void) 
	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,

	platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,

					  sdhi1_resources, ARRAY_SIZE(sdhi1_resources),

					  sdhi1_resources, ARRAY_SIZE(sdhi1_resources),

					  &sdhi1_pdata, sizeof(sdhi1_pdata));

					  &sdhi1_pdata, sizeof(sdhi1_pdata));

	platform_device_register_data(&platform_bus, "gpio-keys", -1,

				      &ape6evm_keys_pdata,

				      sizeof(ape6evm_keys_pdata));

}

}





static const char *ape6evm_boards_compat_dt[] __initdata = {

static const char *ape6evm_boards_compat_dt[] __initdata = {