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4 office 1 /*
2 * TP-LINK TL-WR841N/ND v8/TL-MR3420 v2 board support
3 *
4 * Copyright (C) 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 #include <linux/platform_device.h>
13  
14 #include <asm/mach-ath79/ath79.h>
15 #include <asm/mach-ath79/ar71xx_regs.h>
16  
17 #include "common.h"
18 #include "dev-eth.h"
19 #include "dev-gpio-buttons.h"
20 #include "dev-leds-gpio.h"
21 #include "dev-m25p80.h"
22 #include "dev-usb.h"
23 #include "dev-wmac.h"
24 #include "machtypes.h"
25  
26 #define TL_WR841NV8_GPIO_LED_WLAN 13
27 #define TL_WR841NV8_GPIO_LED_QSS 15
28 #define TL_WR841NV8_GPIO_LED_WAN 18
29 #define TL_WR841NV8_GPIO_LED_LAN1 19
30 #define TL_WR841NV8_GPIO_LED_LAN2 20
31 #define TL_WR841NV8_GPIO_LED_LAN3 21
32 #define TL_WR841NV8_GPIO_LED_LAN4 12
33 #define TL_WR841NV8_GPIO_LED_SYSTEM 14
34  
35 #define TL_WR841NV8_GPIO_BTN_RESET 17
36 #define TL_WR841NV8_GPIO_SW_RFKILL 16 /* WPS for MR3420 v2 */
37  
38 #define TL_MR3420V2_GPIO_LED_3G 11
39 #define TL_MR3420V2_GPIO_USB_POWER 4
40  
41 #define TL_WR941NDV5_GPIO_LED_WLAN 13
42 #define TL_WR941NDV5_GPIO_LED_QSS 15
43 #define TL_WR941NDV5_GPIO_LED_WAN 18
44 #define TL_WR941NDV5_GPIO_LED_LAN1 19
45 #define TL_WR941NDV5_GPIO_LED_LAN2 20
46 #define TL_WR941NDV5_GPIO_LED_LAN3 2
47 #define TL_WR941NDV5_GPIO_LED_LAN4 3
48 #define TL_WR941NDV5_GPIO_LED_SYSTEM 14
49  
50 #define TL_WR841NV8_KEYS_POLL_INTERVAL 20 /* msecs */
51 #define TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR841NV8_KEYS_POLL_INTERVAL)
52  
53 static const char *tl_wr841n_v8_part_probes[] = {
54 "tp-link",
55 NULL,
56 };
57  
58 static struct flash_platform_data tl_wr841n_v8_flash_data = {
59 .part_probes = tl_wr841n_v8_part_probes,
60 };
61  
62 static struct gpio_led tl_wr841n_v8_leds_gpio[] __initdata = {
63 {
64 .name = "tp-link:green:lan1",
65 .gpio = TL_WR841NV8_GPIO_LED_LAN1,
66 .active_low = 1,
67 }, {
68 .name = "tp-link:green:lan2",
69 .gpio = TL_WR841NV8_GPIO_LED_LAN2,
70 .active_low = 1,
71 }, {
72 .name = "tp-link:green:lan3",
73 .gpio = TL_WR841NV8_GPIO_LED_LAN3,
74 .active_low = 1,
75 }, {
76 .name = "tp-link:green:lan4",
77 .gpio = TL_WR841NV8_GPIO_LED_LAN4,
78 .active_low = 1,
79 }, {
80 .name = "tp-link:green:qss",
81 .gpio = TL_WR841NV8_GPIO_LED_QSS,
82 .active_low = 1,
83 }, {
84 .name = "tp-link:green:system",
85 .gpio = TL_WR841NV8_GPIO_LED_SYSTEM,
86 .active_low = 1,
87 }, {
88 .name = "tp-link:green:wan",
89 .gpio = TL_WR841NV8_GPIO_LED_WAN,
90 .active_low = 1,
91 }, {
92 .name = "tp-link:green:wlan",
93 .gpio = TL_WR841NV8_GPIO_LED_WLAN,
94 .active_low = 1,
95 }, {
96 /* the 3G LED is only present on the MR3420 v2 */
97 .name = "tp-link:green:3g",
98 .gpio = TL_MR3420V2_GPIO_LED_3G,
99 .active_low = 1,
100 },
101 };
102  
103 static struct gpio_keys_button tl_wr841n_v8_gpio_keys[] __initdata = {
104 {
105 .desc = "Reset button",
106 .type = EV_KEY,
107 .code = KEY_RESTART,
108 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
109 .gpio = TL_WR841NV8_GPIO_BTN_RESET,
110 .active_low = 1,
111 }, {
112 .desc = "RFKILL switch",
113 .type = EV_SW,
114 .code = KEY_RFKILL,
115 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
116 .gpio = TL_WR841NV8_GPIO_SW_RFKILL,
117 .active_low = 0,
118 }
119 };
120  
121 static struct gpio_keys_button tl_mr3420v2_gpio_keys[] __initdata = {
122 {
123 .desc = "Reset button",
124 .type = EV_KEY,
125 .code = KEY_RESTART,
126 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
127 .gpio = TL_WR841NV8_GPIO_BTN_RESET,
128 .active_low = 1,
129 }, {
130 .desc = "WPS",
131 .type = EV_KEY,
132 .code = KEY_WPS_BUTTON,
133 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
134 .gpio = TL_WR841NV8_GPIO_SW_RFKILL,
135 .active_low = 0,
136 }
137 };
138  
139 static struct gpio_led tl_wr941nd_v5_leds_gpio[] __initdata = {
140 {
141 .name = "tp-link:green:lan1",
142 .gpio = TL_WR941NDV5_GPIO_LED_LAN1,
143 .active_low = 1,
144 }, {
145 .name = "tp-link:green:lan2",
146 .gpio = TL_WR941NDV5_GPIO_LED_LAN2,
147 .active_low = 1,
148 }, {
149 .name = "tp-link:green:lan3",
150 .gpio = TL_WR941NDV5_GPIO_LED_LAN3,
151 .active_low = 1,
152 }, {
153 .name = "tp-link:green:lan4",
154 .gpio = TL_WR941NDV5_GPIO_LED_LAN4,
155 .active_low = 1,
156 }, {
157 .name = "tp-link:green:qss",
158 .gpio = TL_WR941NDV5_GPIO_LED_QSS,
159 .active_low = 1,
160 }, {
161 .name = "tp-link:green:system",
162 .gpio = TL_WR941NDV5_GPIO_LED_SYSTEM,
163 .active_low = 1,
164 }, {
165 .name = "tp-link:green:wan",
166 .gpio = TL_WR941NDV5_GPIO_LED_WAN,
167 .active_low = 1,
168 }, {
169 .name = "tp-link:green:wlan",
170 .gpio = TL_WR941NDV5_GPIO_LED_WLAN,
171 .active_low = 1,
172 },
173 };
174  
175 static void __init tl_ap123_setup(void)
176 {
177 u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
178 u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
179  
180 /* Disable JTAG, enabling GPIOs 0-3 */
181 /* Configure OBS4 line, for GPIO 4*/
182 ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
183 AR934X_GPIO_FUNC_CLK_OBS4_EN);
184  
185 /* config gpio4 as normal gpio function */
186 ath79_gpio_output_select(TL_MR3420V2_GPIO_USB_POWER,
187 AR934X_GPIO_OUT_GPIO);
188  
189 ath79_register_m25p80(&tl_wr841n_v8_flash_data);
190  
191 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
192  
193 ath79_register_mdio(1, 0x0);
194  
195 ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
196 ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
197  
198 /* GMAC0 is connected to the PHY0 of the internal switch */
199 ath79_switch_data.phy4_mii_en = 1;
200 ath79_switch_data.phy_poll_mask = BIT(0);
201 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
202 ath79_eth0_data.phy_mask = BIT(0);
203 ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
204 ath79_register_eth(0);
205  
206 /* GMAC1 is connected to the internal switch */
207 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
208 ath79_register_eth(1);
209  
210 ath79_register_wmac(ee, mac);
211 }
212  
213 static void __init tl_wr841n_v8_setup(void)
214 {
215 tl_ap123_setup();
216  
217 ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio) - 1,
218 tl_wr841n_v8_leds_gpio);
219  
220 ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
221 ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
222 tl_wr841n_v8_gpio_keys);
223 }
224  
225 MIPS_MACHINE(ATH79_MACH_TL_WR841N_V8, "TL-WR841N-v8", "TP-LINK TL-WR841N/ND v8",
226 tl_wr841n_v8_setup);
227  
228  
229 static void __init tl_wr842n_v2_setup(void)
230 {
231 tl_ap123_setup();
232  
233 ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
234 tl_wr841n_v8_leds_gpio);
235  
236 ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
237 ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
238 tl_wr841n_v8_gpio_keys);
239  
240 gpio_request_one(TL_MR3420V2_GPIO_USB_POWER,
241 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
242 "USB power");
243  
244 ath79_register_usb();
245 }
246  
247 MIPS_MACHINE(ATH79_MACH_TL_WR842N_V2, "TL-WR842N-v2", "TP-LINK TL-WR842N/ND v2",
248 tl_wr842n_v2_setup);
249  
250 static void __init tl_mr3420v2_setup(void)
251 {
252 tl_ap123_setup();
253  
254 ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
255 tl_wr841n_v8_leds_gpio);
256  
257 ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
258 ARRAY_SIZE(tl_mr3420v2_gpio_keys),
259 tl_mr3420v2_gpio_keys);
260  
261 /* enable power for the USB port */
262 gpio_request_one(TL_MR3420V2_GPIO_USB_POWER,
263 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
264 "USB power");
265  
266 ath79_register_usb();
267 }
268  
269 MIPS_MACHINE(ATH79_MACH_TL_MR3420_V2, "TL-MR3420-v2", "TP-LINK TL-MR3420 v2",
270 tl_mr3420v2_setup);
271  
272  
273 static void __init tl_wr941nd_v5_setup(void)
274 {
275 tl_ap123_setup();
276  
277 ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr941nd_v5_leds_gpio),
278 tl_wr941nd_v5_leds_gpio);
279  
280 ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
281 ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
282 tl_wr841n_v8_gpio_keys);
283 }
284  
285 MIPS_MACHINE(ATH79_MACH_TL_WR941ND_V5, "TL-WR941ND-v5", "TP-LINK TL-WR941N/ND v5",
286 tl_wr941nd_v5_setup);