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