ar71xx: Fix board detection for the TP-LINK TL-MR13U.
[openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-tl-mr13u.c
1 /*
2  *  TP-LINK TL-MR13U 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_MR13U_GPIO_LED_SYSTEM        27
25
26 #define TL_MR13U_GPIO_BTN_RESET         11
27 #define TL_MR13U_GPIO_BTN_SW1           6
28 #define TL_MR13U_GPIO_BTN_SW2           7
29
30 #define TL_MR13U_GPIO_USB_POWER         18
31
32 #define TL_MR13U_KEYS_POLL_INTERVAL     20      /* msecs */
33 #define TL_MR13U_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR13U_KEYS_POLL_INTERVAL)
34
35 static const char *tl_mr13u_part_probes[] = {
36         "tp-link",
37         NULL,
38 };
39
40 static struct flash_platform_data tl_mr13u_flash_data = {
41         .part_probes    = tl_mr13u_part_probes,
42 };
43
44 static struct gpio_led tl_mr13u_leds_gpio[] __initdata = {
45         {
46                 .name           = "tp-link:blue:system",
47                 .gpio           = TL_MR13U_GPIO_LED_SYSTEM,
48                 .active_low     = 1,
49         },
50 };
51
52 static struct gpio_keys_button tl_mr13u_gpio_keys[] __initdata = {
53         {
54                 .desc           = "reset",
55                 .type           = EV_KEY,
56                 .code           = KEY_RESTART,
57                 .debounce_interval = TL_MR13U_KEYS_DEBOUNCE_INTERVAL,
58                 .gpio           = TL_MR13U_GPIO_BTN_RESET,
59                 .active_low     = 0,
60         },
61         {
62                 .desc           = "sw1",
63                 .type           = EV_KEY,
64                 .code           = BTN_0,
65                 .debounce_interval = TL_MR13U_KEYS_DEBOUNCE_INTERVAL,
66                 .gpio           = TL_MR13U_GPIO_BTN_SW1,
67                 .active_low     = 0,
68         },
69         {
70                 .desc           = "sw2",
71                 .type           = EV_KEY,
72                 .code           = BTN_1,
73                 .debounce_interval = TL_MR13U_KEYS_DEBOUNCE_INTERVAL,
74                 .gpio           = TL_MR13U_GPIO_BTN_SW2,
75                 .active_low     = 0,
76         },
77 };
78
79 static void __init tl_mr13u_setup(void)
80 {
81         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
82         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
83
84         /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
85         ath79_setup_ar933x_phy4_switch(false, false);
86
87         ath79_register_m25p80(&tl_mr13u_flash_data);
88         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr13u_leds_gpio),
89                                  tl_mr13u_leds_gpio);
90         ath79_register_gpio_keys_polled(-1, TL_MR13U_KEYS_POLL_INTERVAL,
91                                         ARRAY_SIZE(tl_mr13u_gpio_keys),
92                                         tl_mr13u_gpio_keys);
93
94         gpio_request_one(TL_MR13U_GPIO_USB_POWER,
95                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
96                          "USB power");
97         ath79_register_usb();
98
99         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
100
101         ath79_register_mdio(0, 0x0);
102         ath79_register_eth(0);
103         ath79_register_wmac(ee, mac);
104 }
105
106 MIPS_MACHINE(ATH79_MACH_TL_MR13U, "TL-MR13U", "TP-LINK TL-MR13U v1",
107              tl_mr13u_setup);