ar71xx: fix USB power GPIO on the TL-WDR3500
[openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-tl-mr11u.c
1 /*
2  *  TP-LINK TL-MR11U/TL-MR3040 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 #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_MR11U_GPIO_LED_3G            27
27 #define TL_MR11U_GPIO_LED_WLAN          26
28 #define TL_MR11U_GPIO_LED_LAN           17
29
30 #define TL_MR11U_GPIO_BTN_WPS           20
31 #define TL_MR11U_GPIO_BTN_RESET         11
32
33 #define TL_MR11U_GPIO_USB_POWER         8
34 #define TL_MR3040_GPIO_USB_POWER        18
35
36 #define TL_MR11U_KEYS_POLL_INTERVAL     20      /* msecs */
37 #define TL_MR11U_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR11U_KEYS_POLL_INTERVAL)
38
39 static const char *tl_mr11u_part_probes[] = {
40         "tp-link",
41         NULL,
42 };
43
44 static struct flash_platform_data tl_mr11u_flash_data = {
45         .part_probes    = tl_mr11u_part_probes,
46 };
47
48 static struct gpio_led tl_mr11u_leds_gpio[] __initdata = {
49         {
50                 .name           = "tp-link:green:3g",
51                 .gpio           = TL_MR11U_GPIO_LED_3G,
52                 .active_low     = 1,
53         },
54         {
55                 .name           = "tp-link:green:wlan",
56                 .gpio           = TL_MR11U_GPIO_LED_WLAN,
57                 .active_low     = 1,
58         },
59         {
60                 .name           = "tp-link:green:lan",
61                 .gpio           = TL_MR11U_GPIO_LED_LAN,
62                 .active_low     = 1,
63         }
64 };
65
66 static struct gpio_keys_button tl_mr11u_gpio_keys[] __initdata = {
67         {
68                 .desc           = "reset",
69                 .type           = EV_KEY,
70                 .code           = KEY_RESTART,
71                 .debounce_interval = TL_MR11U_KEYS_DEBOUNCE_INTERVAL,
72                 .gpio           = TL_MR11U_GPIO_BTN_RESET,
73                 .active_low     = 0,
74         },
75         {
76                 .desc           = "wps",
77                 .type           = EV_KEY,
78                 .code           = KEY_WPS_BUTTON,
79                 .debounce_interval = TL_MR11U_KEYS_DEBOUNCE_INTERVAL,
80                 .gpio           = TL_MR11U_GPIO_BTN_WPS,
81                 .active_low     = 0,
82         },
83 };
84
85 static void __init common_setup(void)
86 {
87         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
88         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
89
90         /* Disable hardware control LAN1 and LAN2 LEDs, enabling GPIO14 and GPIO15 */
91         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
92                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN);
93
94         /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
95         ath79_setup_ar933x_phy4_switch(false, false);
96
97         ath79_register_m25p80(&tl_mr11u_flash_data);
98         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr11u_leds_gpio),
99                                  tl_mr11u_leds_gpio);
100
101         ath79_register_usb();
102
103         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
104
105         ath79_register_mdio(0, 0x0);
106         ath79_register_eth(0);
107
108         ath79_register_wmac(ee, mac);
109 }
110
111 static void __init tl_mr11u_setup(void)
112 {
113         common_setup();
114
115         ath79_register_gpio_keys_polled(-1, TL_MR11U_KEYS_POLL_INTERVAL,
116                                         ARRAY_SIZE(tl_mr11u_gpio_keys),
117                                         tl_mr11u_gpio_keys);
118         gpio_request_one(TL_MR11U_GPIO_USB_POWER,
119                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
120                          "USB power");
121 }
122
123 MIPS_MACHINE(ATH79_MACH_TL_MR11U, "TL-MR11U", "TP-LINK TL-MR11U",
124              tl_mr11u_setup);
125
126 static void __init tl_mr3040_setup(void)
127 {
128         common_setup();
129
130         ath79_register_gpio_keys_polled(-1, TL_MR11U_KEYS_POLL_INTERVAL,
131                                         1, tl_mr11u_gpio_keys);
132         gpio_request_one(TL_MR3040_GPIO_USB_POWER,
133                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
134                          "USB power");
135 }
136
137 MIPS_MACHINE(ATH79_MACH_TL_MR3040, "TL-MR3040", "TP-LINK TL-MR3040",
138              tl_mr3040_setup);