1/*
2 *  TP-LINK TL-WR720N board support
3 *
4 *  Copyright (C) 2011 dongyuqi <729650915@qq.com>
5 *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
6 *  Copyright (C) 2013 yousong <yszhou4tech@gmail.com>
7 *
8 *  This program is free software; you can redistribute it and/or modify it
9 *  under the terms of the GNU General Public License version 2 as published
10 *  by the Free Software Foundation.
11 */
12
13#include <linux/gpio.h>
14
15#include <asm/mach-ath79/ath79.h>
16
17#include "dev-eth.h"
18#include "dev-gpio-buttons.h"
19#include "dev-leds-gpio.h"
20#include "dev-m25p80.h"
21#include "dev-usb.h"
22#include "dev-wmac.h"
23#include "machtypes.h"
24
25#define TL_WR720N_GPIO_LED_SYSTEM	27
26#define TL_WR720N_GPIO_BTN_RESET	11
27#define TL_WR720N_GPIO_BTN_SW1		18
28#define TL_WR720N_GPIO_BTN_SW2		20
29
30#define TL_WR720N_GPIO_USB_POWER	8
31
32#define TL_WR720N_KEYS_POLL_INTERVAL	20	/* msecs */
33#define TL_WR720N_KEYS_DEBOUNCE_INTERVAL	(3 * TL_WR720N_KEYS_POLL_INTERVAL)
34
35static const char *tl_wr720n_part_probes[] = {
36	"tp-link",
37	NULL,
38};
39
40static struct flash_platform_data tl_wr720n_flash_data = {
41	.part_probes	= tl_wr720n_part_probes,
42};
43
44static struct gpio_led tl_wr720n_leds_gpio[] __initdata = {
45	{
46		.name		= "tp-link:blue:system",
47		.gpio		= TL_WR720N_GPIO_LED_SYSTEM,
48		.active_low	= 1,
49	},
50};
51
52static struct gpio_keys_button tl_wr720n_gpio_keys[] __initdata = {
53	{
54		.desc		= "reset",
55		.type		= EV_KEY,
56		.code		= KEY_RESTART,
57		.debounce_interval = TL_WR720N_KEYS_DEBOUNCE_INTERVAL,
58		.gpio		= TL_WR720N_GPIO_BTN_RESET,
59		.active_low	= 0,
60	}, {
61		.desc		= "sw1",
62		.type		= EV_KEY,
63		.code		= BTN_0,
64		.debounce_interval = TL_WR720N_KEYS_DEBOUNCE_INTERVAL,
65		.gpio		= TL_WR720N_GPIO_BTN_SW1,
66		.active_low = 0,
67	}, {
68		.desc		= "sw2",
69		.type		= EV_KEY,
70		.code		= BTN_1,
71		.debounce_interval = TL_WR720N_KEYS_DEBOUNCE_INTERVAL,
72		.gpio		= TL_WR720N_GPIO_BTN_SW2,
73		.active_low = 0,
74	}
75};
76
77static void __init tl_wr720n_v3_setup(void)
78{
79	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
80	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
81
82	/* disable PHY_SWAP and PHY_ADDR_SWAP bits */
83	ath79_setup_ar933x_phy4_switch(false, false);
84
85	ath79_register_m25p80(&tl_wr720n_flash_data);
86	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr720n_leds_gpio),
87					tl_wr720n_leds_gpio);
88	ath79_register_gpio_keys_polled(-1, TL_WR720N_KEYS_POLL_INTERVAL,
89					ARRAY_SIZE(tl_wr720n_gpio_keys),
90					tl_wr720n_gpio_keys);
91
92	gpio_request_one(TL_WR720N_GPIO_USB_POWER,
93			GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
94			"USB power");
95	ath79_register_usb();
96
97	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
98	ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
99
100	ath79_register_mdio(0, 0x0);
101	ath79_register_eth(0);
102	ath79_register_eth(1);
103
104	ath79_register_wmac(ee, mac);
105}
106
107MIPS_MACHINE(ATH79_MACH_TL_WR720N_V3, "TL-WR720N-v3", "TP-LINK TL-WR720N v3/v4",
108		tl_wr720n_v3_setup);
109