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

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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: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2016-08-31 08:49:50 +01:00
parent e1b0d97845
commit 17c7f4f7b4
1 changed files with 30 additions and 0 deletions
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30
arch/arm/mach-sa1100/assabet.c
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@ -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