Commit e33c049c authored by Alberto Panizzo's avatar Alberto Panizzo Committed by Sascha Hauer
Browse files

Armadillo500 Add support for onboard GPIO Buttons.



There are two low active Buttons on boards.
This patch connect those to the Input Subsystem over gpio-keys driver.
Signed-off-by: default avatarAlberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 115b40c3
......@@ -33,6 +33,8 @@
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
......@@ -98,6 +100,36 @@ static int armadillo5x0_pins[] = {
MX31_PIN_DRDY0__DRDY0,
IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
};
/* GPIO BUTTONS */
static struct gpio_keys_button armadillo5x0_buttons[] = {
{
.code = KEY_ENTER, /*28*/
.gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0),
.active_low = 1,
.desc = "menu",
.wakeup = 1,
}, {
.code = KEY_BACK, /*158*/
.gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0),
.active_low = 1,
.desc = "back",
.wakeup = 1,
}
};
static struct gpio_keys_platform_data armadillo5x0_button_data = {
.buttons = armadillo5x0_buttons,
.nbuttons = ARRAY_SIZE(armadillo5x0_buttons),
};
static struct platform_device armadillo5x0_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &armadillo5x0_button_data,
}
};
/*
* NAND Flash
......@@ -300,6 +332,7 @@ static struct imxuart_platform_data uart_pdata = {
static struct platform_device *devices[] __initdata = {
&armadillo5x0_smc911x_device,
&armadillo5x0_button_device,
};
/*
......
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