1/*
2 *  TP-LINK TL-WR703N board support
3 *
4 *  Copyright (C) 2011 dongyuqi <729650915@qq.com>
5 *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
6 *
7 *  This program is free software; you can redistribute it and/or modify it
8 *  under the terms of the GNU General Public License version 2 as published
9 *  by the Free Software Foundation.
10 */
11
12#include <linux/gpio.h>
13
14#include <asm/mach-ath79/ath79.h>
15
16#include "dev-eth.h"
17#include "dev-gpio-buttons.h"
18#include "dev-leds-gpio.h"
19#include "dev-m25p80.h"
20#include "dev-usb.h"
21#include "dev-wmac.h"
22#include "machtypes.h"
23
24#define TL_WR703N_GPIO_LED_SYSTEM	27
25#define TL_WR703N_GPIO_BTN_RESET	11
26
27#define TL_WR703N_GPIO_USB_POWER	8
28
29#define TL_WR703N_KEYS_POLL_INTERVAL	20	/* msecs */
30#define TL_WR703N_KEYS_DEBOUNCE_INTERVAL	(3 * TL_WR703N_KEYS_POLL_INTERVAL)
31
32static const char *tl_wr703n_part_probes[] = {
33	"tp-link",
34	NULL,
35};
36
37static struct flash_platform_data tl_wr703n_flash_data = {
38	.part_probes	= tl_wr703n_part_probes,
39};
40
41static struct gpio_led tl_wr703n_leds_gpio[] __initdata = {
42	{
43		.name		= "tp-link:blue:system",
44		.gpio		= TL_WR703N_GPIO_LED_SYSTEM,
45		.active_low	= 1,
46	},
47};
48
49static struct gpio_keys_button tl_wr703n_gpio_keys[] __initdata = {
50	{
51		.desc		= "reset",
52		.type		= EV_KEY,
53		.code		= KEY_RESTART,
54		.debounce_interval = TL_WR703N_KEYS_DEBOUNCE_INTERVAL,
55		.gpio		= TL_WR703N_GPIO_BTN_RESET,
56		.active_low	= 0,
57	}
58};
59
60static void __init tl_wr703n_setup(void)
61{
62	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
63	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
64
65	/* disable PHY_SWAP and PHY_ADDR_SWAP bits */
66	ath79_setup_ar933x_phy4_switch(false, false);
67
68	ath79_register_m25p80(&tl_wr703n_flash_data);
69	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr703n_leds_gpio),
70				 tl_wr703n_leds_gpio);
71	ath79_register_gpio_keys_polled(-1, TL_WR703N_KEYS_POLL_INTERVAL,
72					ARRAY_SIZE(tl_wr703n_gpio_keys),
73					tl_wr703n_gpio_keys);
74
75	gpio_request_one(TL_WR703N_GPIO_USB_POWER,
76			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
77			 "USB power");
78	ath79_register_usb();
79
80	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
81
82	ath79_register_mdio(0, 0x0);
83	ath79_register_eth(0);
84
85	ath79_register_wmac(ee, mac);
86}
87
88MIPS_MACHINE(ATH79_MACH_TL_WR703N, "TL-WR703N", "TP-LINK TL-WR703N v1",
89	     tl_wr703n_setup);
90