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Commit 17c7f4f7 authored by Russell King's avatar Russell King
Browse files

ARM: sa1100/assabet: add gpio keys support for right-hand two buttons 



Add gpio keys support for the right-hand two buttons on the Assabet,
which can be used to wake up the CPU after PM.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent e1b0d978

arch/arm/mach-sa1100/assabet.c

+30 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/errno.h>

#include <linux/gpio/gpio-reg.h>

#include <linux/gpio/machine.h>

#include <linux/gpio_keys.h>

#include <linux/ioport.h>

#include <linux/platform_data/sa11x0-serial.h>

#include <linux/regulator/fixed.h>
@@ -479,6 +480,30 @@ static struct gpiod_lookup_table assabet_cf_vcc_gpio_table = { 
	},

};



static struct gpio_keys_button assabet_keys_buttons[] = {

	{

		.gpio = 0,

		.irq = IRQ_GPIO0,

		.desc = "gpio0",

		.wakeup = 1,

		.can_disable = 1,

		.debounce_interval = 5,

	}, {

		.gpio = 1,

		.irq = IRQ_GPIO1,

		.desc = "gpio1",

		.wakeup = 1,

		.can_disable = 1,

		.debounce_interval = 5,

	},

};



static const struct gpio_keys_platform_data assabet_keys_pdata = {

	.buttons = assabet_keys_buttons,

	.nbuttons = ARRAY_SIZE(assabet_keys_buttons),

	.rep = 0,

};



static void __init assabet_init(void)

{

	/*
@@ -533,6 +558,11 @@ static void __init assabet_init(void) 


	}



	platform_device_register_resndata(NULL, "gpio-keys", 0,

					  NULL, 0,

					  &assabet_keys_pdata,

					  sizeof(assabet_keys_pdata));



#ifndef ASSABET_PAL_VIDEO

	sa11x0_register_lcd(&lq039q2ds54_info);

#else