Root/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-w502u.c

1/*
2 * ALFA Networks W502U board support
3 *
4 * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 */
10
11#include <linux/init.h>
12#include <linux/platform_device.h>
13
14#include <asm/mach-ralink/machine.h>
15#include <asm/mach-ralink/dev-gpio-buttons.h>
16#include <asm/mach-ralink/dev-gpio-leds.h>
17#include <asm/mach-ralink/rt305x.h>
18#include <asm/mach-ralink/rt305x_regs.h>
19
20#include "devices.h"
21
22#define W502U_GPIO_LED_USB 13
23#define W502U_GPIO_LED_WPS 14
24
25#define W502U_GPIO_BUTTON_WPS 0
26#define W502U_GPIO_BUTTON_RESET 10
27
28#define W502U_KEYS_POLL_INTERVAL 20
29#define W502U_KEYS_DEBOUNCE_INTERVAL (3 * W502U_KEYS_POLL_INTERVAL)
30
31static struct gpio_led w502u_leds_gpio[] __initdata = {
32    {
33        .name = "alfa:blue:usb",
34        .gpio = W502U_GPIO_LED_USB,
35        .active_low = 1,
36    },
37    {
38        .name = "alfa:blue:wps",
39        .gpio = W502U_GPIO_LED_WPS,
40        .active_low = 1,
41    },
42};
43
44static struct gpio_keys_button w502u_gpio_buttons[] __initdata = {
45    {
46        .desc = "Reset button",
47        .type = EV_KEY,
48        .code = KEY_RESTART,
49        .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
50        .gpio = W502U_GPIO_BUTTON_RESET,
51        .active_low = 1,
52    },
53    {
54        .desc = "WPS button",
55        .type = EV_KEY,
56        .code = KEY_WPS_BUTTON,
57        .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
58        .gpio = W502U_GPIO_BUTTON_WPS,
59        .active_low = 1,
60    },
61};
62
63static void __init w502u_init(void)
64{
65    rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
66              RT305X_GPIO_MODE_UART0_SHIFT));
67
68    rt305x_register_flash(0);
69
70    rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
71    rt305x_register_ethernet();
72    ramips_register_gpio_leds(-1, ARRAY_SIZE(w502u_leds_gpio),
73                  w502u_leds_gpio);
74    ramips_register_gpio_buttons(-1, W502U_KEYS_POLL_INTERVAL,
75                     ARRAY_SIZE(w502u_gpio_buttons),
76                     w502u_gpio_buttons);
77    rt305x_register_wifi();
78    rt305x_register_wdt();
79    rt305x_register_usb();
80}
81
82MIPS_MACHINE(RAMIPS_MACH_W502U, "W502U", "ALFA Networks W502U",
83          w502u_init);
84

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