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