1/*
2 *  AWB WR6202 board support
3 *
4 *  Copyright (C) 2012 Johnathan Boyce<jon.boyce@globalreach.eu.com>
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#include<linux/gpio.h>
14
15#include<asm/mach-ralink/machine.h>
16#include<asm/mach-ralink/dev-gpio-buttons.h>
17#include<asm/mach-ralink/dev-gpio-leds.h>
18#include<asm/mach-ralink/rt305x.h>
19#include<asm/mach-ralink/rt305x_regs.h>
20
21#include "devices.h"
22
23#define WR6202_GPIO_BUTTON_RESET     10        /* active low */
24#define WR6202_GPIO_BUTTON_WPS        0        /* active low */
25
26#define WR6202_KEYS_POLL_INTERVAL 20
27#define WR6202_KEYS_DEBOUNCE_INTERVAL	(3 * WR6202_KEYS_POLL_INTERVAL)
28
29#define WR6202_GPIO_USB_POWER	     11
30
31#define WR6202_GPIO_LED_3G	     13
32#define WR6202_GPIO_LED_WPS	     14
33
34static struct gpio_led wr6202_leds_gpio[] __initdata = {
35	{
36		.name           = "wr6202:blue:wps",
37		.gpio           = WR6202_GPIO_LED_WPS,
38		.active_low     = 1,
39	}, {
40		.name           = "wr6202:blue:3g",
41		.gpio           = WR6202_GPIO_LED_3G,
42		.active_low     = 1,
43	}
44};
45
46static struct gpio_keys_button wr6202_gpio_buttons[] __initdata = {
47	{
48		.desc           = "reset",
49		.type           = EV_KEY,
50		.code           = KEY_RESTART,
51		.debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
52		.gpio           = WR6202_GPIO_BUTTON_RESET,
53		.active_low     = 1,
54	}, {
55		.desc           = "wps",
56		.type           = EV_KEY,
57		.code           = KEY_WPS_BUTTON,
58		.debounce_interval = WR6202_KEYS_DEBOUNCE_INTERVAL,
59		.gpio           = WR6202_GPIO_BUTTON_WPS,
60		.active_low     = 1,
61	}
62};
63
64static void __init wr6202_init(void)
65{
66	rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
67
68	rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
69
70	ramips_register_gpio_leds(-1, ARRAY_SIZE(wr6202_leds_gpio),
71				wr6202_leds_gpio);
72	ramips_register_gpio_buttons(-1, WR6202_KEYS_POLL_INTERVAL,
73				ARRAY_SIZE(wr6202_gpio_buttons),
74				wr6202_gpio_buttons);
75
76	/* Power to the USB port is controlled by GPIO line */
77	gpio_request(WR6202_GPIO_USB_POWER, "WR6202_GPIO_USB_POWER");
78	gpio_direction_output(WR6202_GPIO_USB_POWER, 0);
79	gpio_free(WR6202_GPIO_USB_POWER);
80
81	rt305x_register_flash(0);
82
83	rt305x_register_ethernet();
84	rt305x_register_wifi();
85	rt305x_register_wdt();
86	rt305x_register_usb();
87}
88
89MIPS_MACHINE(RAMIPS_MACH_WR6202, "WR6202", "AWB WR6202",
90	     wr6202_init);
91