1/*
2 *  TP-LINK TL-MR3220/3420 board support
3 *
4 *  Copyright (C) 2010-2012 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/gpio.h>
12
13#include <asm/mach-ath79/ath79.h>
14
15#include "dev-eth.h"
16#include "dev-ap9x-pci.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 "machtypes.h"
22
23#define TL_MR3X20_GPIO_LED_QSS		0
24#define TL_MR3X20_GPIO_LED_SYSTEM	1
25#define TL_MR3X20_GPIO_LED_3G		8
26
27#define TL_MR3X20_GPIO_BTN_RESET	11
28#define TL_MR3X20_GPIO_BTN_QSS		12
29
30#define TL_MR3X20_GPIO_USB_POWER	6
31
32#define TL_MR3X20_KEYS_POLL_INTERVAL	20	/* msecs */
33#define TL_MR3X20_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR3X20_KEYS_POLL_INTERVAL)
34
35static const char *tl_mr3x20_part_probes[] = {
36	"tp-link",
37	NULL,
38};
39
40static struct flash_platform_data tl_mr3x20_flash_data = {
41	.part_probes	= tl_mr3x20_part_probes,
42};
43
44static struct gpio_led tl_mr3x20_leds_gpio[] __initdata = {
45	{
46		.name		= "tp-link:green:system",
47		.gpio		= TL_MR3X20_GPIO_LED_SYSTEM,
48		.active_low	= 1,
49	}, {
50		.name		= "tp-link:green:qss",
51		.gpio		= TL_MR3X20_GPIO_LED_QSS,
52		.active_low	= 1,
53	}, {
54		.name		= "tp-link:green:3g",
55		.gpio		= TL_MR3X20_GPIO_LED_3G,
56		.active_low	= 1,
57	}
58};
59
60static struct gpio_keys_button tl_mr3x20_gpio_keys[] __initdata = {
61	{
62		.desc		= "reset",
63		.type		= EV_KEY,
64		.code		= KEY_RESTART,
65		.debounce_interval = TL_MR3X20_KEYS_DEBOUNCE_INTERVAL,
66		.gpio		= TL_MR3X20_GPIO_BTN_RESET,
67		.active_low	= 1,
68	}, {
69		.desc		= "qss",
70		.type		= EV_KEY,
71		.code		= KEY_WPS_BUTTON,
72		.debounce_interval = TL_MR3X20_KEYS_DEBOUNCE_INTERVAL,
73		.gpio		= TL_MR3X20_GPIO_BTN_QSS,
74		.active_low	= 1,
75	}
76};
77
78static void __init tl_ap99_setup(void)
79{
80	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
81	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
82
83	ath79_register_m25p80(&tl_mr3x20_flash_data);
84
85	ath79_register_gpio_keys_polled(-1, TL_MR3X20_KEYS_POLL_INTERVAL,
86					 ARRAY_SIZE(tl_mr3x20_gpio_keys),
87					 tl_mr3x20_gpio_keys);
88
89	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
90	ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
91
92	ath79_register_mdio(0, 0x0);
93
94	/* LAN ports */
95	ath79_register_eth(1);
96	/* WAN port */
97	ath79_register_eth(0);
98
99	ap91_pci_init(ee, mac);
100}
101
102static void __init tl_mr3x20_usb_setup(void)
103{
104	/* enable power for the USB port */
105	gpio_request_one(TL_MR3X20_GPIO_USB_POWER,
106			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
107			 "USB power");
108	ath79_register_usb();
109}
110
111static void __init tl_mr3220_setup(void)
112{
113	tl_ap99_setup();
114
115	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3x20_leds_gpio),
116				 tl_mr3x20_leds_gpio);
117	ap9x_pci_setup_wmac_led_pin(0, 1);
118	tl_mr3x20_usb_setup();
119}
120
121MIPS_MACHINE(ATH79_MACH_TL_MR3220, "TL-MR3220", "TP-LINK TL-MR3220",
122	     tl_mr3220_setup);
123
124static void __init tl_mr3420_setup(void)
125{
126	tl_ap99_setup();
127
128	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3x20_leds_gpio),
129				 tl_mr3x20_leds_gpio);
130	ap9x_pci_setup_wmac_led_pin(0, 0);
131	tl_mr3x20_usb_setup();
132}
133
134MIPS_MACHINE(ATH79_MACH_TL_MR3420, "TL-MR3420", "TP-LINK TL-MR3420",
135	     tl_mr3420_setup);
136
137static void __init tl_wr841n_v7_setup(void)
138{
139	tl_ap99_setup();
140
141	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3x20_leds_gpio) - 1,
142				 tl_mr3x20_leds_gpio);
143	ap9x_pci_setup_wmac_led_pin(0, 0);
144}
145
146MIPS_MACHINE(ATH79_MACH_TL_WR841N_V7, "TL-WR841N-v7",
147	     "TP-LINK TL-WR841N/ND v7", tl_wr841n_v7_setup);
148