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Armadillo500 Add support for onboard GPIO Buttons.

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There are two low active Buttons on boards.
This patch connect those to the Input Subsystem over gpio-keys driver.

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Alberto Panizzo 2009-10-15 19:24:51 +02:00 committed by Sascha Hauer
parent 115b40c3d7
commit e33c049cb5
1 changed files with 33 additions and 0 deletions
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33
arch/arm/mach-mx3/armadillo5x0.c
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@ -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,
};
/*