f6ed10ab97
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>
103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/*
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* MTX-1 platform devices registration
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*
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* Copyright (C) 2007, Florian Fainelli <florian@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <asm/gpio.h>
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static struct gpio_keys_button mtx1_gpio_button[] = {
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{
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.gpio = 207,
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.code = BTN_0,
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.desc = "System button",
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}
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};
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static struct gpio_keys_platform_data mtx1_buttons_data = {
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.buttons = mtx1_gpio_button,
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.nbuttons = ARRAY_SIZE(mtx1_gpio_button),
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};
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static struct platform_device mtx1_button = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &mtx1_buttons_data,
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}
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};
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static struct resource mtx1_wdt_res[] = {
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[0] = {
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.start = 15,
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.end = 15,
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.name = "mtx1-wdt-gpio",
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct platform_device mtx1_wdt = {
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.name = "mtx1-wdt",
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.id = 0,
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.num_resources = ARRAY_SIZE(mtx1_wdt_res),
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.resource = mtx1_wdt_res,
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};
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static struct gpio_led default_leds[] = {
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{
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.name = "mtx1:green",
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.gpio = 211,
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}, {
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.name = "mtx1:red",
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.gpio = 212,
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},
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};
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static struct gpio_led_platform_data mtx1_led_data = {
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.num_leds = ARRAY_SIZE(default_leds),
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.leds = default_leds,
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};
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static struct platform_device mtx1_gpio_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &mtx1_led_data,
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}
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};
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static struct __initdata platform_device * mtx1_devs[] = {
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&mtx1_gpio_leds,
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&mtx1_wdt,
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&mtx1_button
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};
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static int __init mtx1_register_devices(void)
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{
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gpio_direction_input(207);
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return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
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}
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arch_initcall(mtx1_register_devices);
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