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authorRussell King <rmk+kernel@armlinux.org.uk>2016-08-31 08:49:50 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2018-12-04 22:37:38 +0000
commit17c7f4f7b4c6c3cc086d0ca0ce781bda95d4b402 (patch)
tree86c53a26d133e4b54fc27ae3ffd628ffc29e9cbb /arch
parente1b0d978459f17e21367fe4d3290b863919e5e73 (diff)
downloadlinux-17c7f4f7b4c6c3cc086d0ca0ce781bda95d4b402.tar.gz
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: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-sa1100/assabet.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index 3e8c0948abcc..53afea52a961 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -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