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[MIPS] MTX-1: Add GPIO system button

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

Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Florian Fainelli 2008-01-07 19:00:46 +01:00 committed by Ralf Baechle
parent 2d47c58efa
commit f6ed10ab97
2 changed files with 27 additions and 1 deletions
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27
arch/mips/au1000/mtx-1/platform.c
View file

@ -22,9 +22,32 @@
#include <linux/types.h> #include <linux/types.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/leds.h> #include <linux/leds.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <asm/gpio.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[] = { static struct resource mtx1_wdt_res[] = {
[0] = { [0] = {
.start = 15, .start = 15,
@ -66,11 +89,13 @@ static struct platform_device mtx1_gpio_leds = {
static struct __initdata platform_device * mtx1_devs[] = { static struct __initdata platform_device * mtx1_devs[] = {
&mtx1_gpio_leds, &mtx1_gpio_leds,
&mtx1_wdt &mtx1_wdt,
&mtx1_button
}; };
static int __init mtx1_register_devices(void) static int __init mtx1_register_devices(void)
{ {
gpio_direction_input(207);
return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs)); return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
} }

1
arch/mips/configs/mtx1_defconfig
View file

@ -1616,6 +1616,7 @@ CONFIG_INPUT_EVBUG=m
# #
CONFIG_INPUT_KEYBOARD=y CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y CONFIG_KEYBOARD_ATKBD=y
CONFIG_KEYBOARD_GPIO=y
CONFIG_KEYBOARD_SUNKBD=m CONFIG_KEYBOARD_SUNKBD=m
CONFIG_KEYBOARD_LKKBD=m CONFIG_KEYBOARD_LKKBD=m
CONFIG_KEYBOARD_XTKBD=m CONFIG_KEYBOARD_XTKBD=m