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Commit f6ed10ab authored by Florian Fainelli's avatar Florian Fainelli Committed by Ralf Baechle
Browse files

[MIPS] MTX-1: Add GPIO system button 



This patch adds support for the GPIO connected system button on the MTX-1
boards. Default configuration is updated accordingly.

Signed-off-by: default avatarFlorian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 2d47c58e

arch/mips/au1000/mtx-1/platform.c

+26 −1
Original line number Diff line number Diff line
@@ -22,9 +22,32 @@ 
#include <linux/types.h>

#include <linux/platform_device.h>

#include <linux/leds.h>

#include <linux/gpio_keys.h>

#include <linux/input.h>



#include <asm/gpio.h>



static struct gpio_keys_button mtx1_gpio_button[] = {

	{

		.gpio = 207,

		.code = BTN_0,

		.desc = "System button",

	}

};



static struct gpio_keys_platform_data mtx1_buttons_data = {

	.buttons = mtx1_gpio_button,

	.nbuttons = ARRAY_SIZE(mtx1_gpio_button),

};



static struct platform_device mtx1_button = {

	.name = "gpio-keys",

	.id = -1,

	.dev = {

		.platform_data = &mtx1_buttons_data,

	}

};



static struct resource mtx1_wdt_res[] = {

	[0] = {

		.start	= 15,
@@ -66,11 +89,13 @@ static struct platform_device mtx1_gpio_leds = { 


static struct __initdata platform_device * mtx1_devs[] = {

	&mtx1_gpio_leds,

	&mtx1_wdt

	&mtx1_wdt,

	&mtx1_button

};



static int __init mtx1_register_devices(void)

{

	gpio_direction_input(207);

	return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));

}

arch/mips/configs/mtx1_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -1616,6 +1616,7 @@ CONFIG_INPUT_EVBUG=m 
#

CONFIG_INPUT_KEYBOARD=y

CONFIG_KEYBOARD_ATKBD=y

CONFIG_KEYBOARD_GPIO=y

CONFIG_KEYBOARD_SUNKBD=m

CONFIG_KEYBOARD_LKKBD=m

CONFIG_KEYBOARD_XTKBD=m