ar71xx: fix WPS button polarity on TL-WR2543N
[openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-tl-wr2543n.c
1 /*
2  *  TP-LINK TL-WR2543N/ND board support
3  *
4  *  Copyright (C) 2011-2012 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/platform_device.h>
12 #include <linux/rtl8367.h>
13
14 #include <asm/mach-ath79/ath79.h>
15
16 #include "dev-eth.h"
17 #include "dev-ap9x-pci.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 "machtypes.h"
23
24 #define TL_WR2543N_GPIO_LED_WPS        0
25 #define TL_WR2543N_GPIO_LED_USB        8
26
27 #define TL_WR2543N_GPIO_BTN_RESET      11
28 #define TL_WR2543N_GPIO_BTN_WPS        12
29
30 #define TL_WR2543N_GPIO_RTL8367_SDA     1
31 #define TL_WR2543N_GPIO_RTL8367_SCK     6
32
33 #define TL_WR2543N_KEYS_POLL_INTERVAL   20      /* msecs */
34 #define TL_WR2543N_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR2543N_KEYS_POLL_INTERVAL)
35
36 static const char *tl_wr2543n_part_probes[] = {
37         "tp-link",
38         NULL,
39 };
40
41 static struct flash_platform_data tl_wr2543n_flash_data = {
42         .part_probes    = tl_wr2543n_part_probes,
43         .max_read_len   = 64,
44 };
45
46 static struct gpio_led tl_wr2543n_leds_gpio[] __initdata = {
47         {
48                 .name           = "tp-link:green:usb",
49                 .gpio           = TL_WR2543N_GPIO_LED_USB,
50                 .active_low     = 1,
51         }, {
52                 .name           = "tp-link:green:wps",
53                 .gpio           = TL_WR2543N_GPIO_LED_WPS,
54                 .active_low     = 1,
55         }
56 };
57
58 static struct gpio_keys_button tl_wr2543n_gpio_keys[] __initdata = {
59         {
60                 .desc           = "reset",
61                 .type           = EV_KEY,
62                 .code           = KEY_RESTART,
63                 .debounce_interval = TL_WR2543N_KEYS_DEBOUNCE_INTERVAL,
64                 .gpio           = TL_WR2543N_GPIO_BTN_RESET,
65                 .active_low     = 1,
66         }, {
67                 .desc           = "wps",
68                 .type           = EV_KEY,
69                 .code           = KEY_WPS_BUTTON,
70                 .debounce_interval = TL_WR2543N_KEYS_DEBOUNCE_INTERVAL,
71                 .gpio           = TL_WR2543N_GPIO_BTN_WPS,
72                 .active_low     = 1,
73         }
74 };
75
76 static struct rtl8367_extif_config tl_wr2543n_rtl8367_extif0_cfg = {
77         .mode = RTL8367_EXTIF_MODE_RGMII,
78         .txdelay = 1,
79         .rxdelay = 0,
80         .ability = {
81                 .force_mode = 1,
82                 .txpause = 1,
83                 .rxpause = 1,
84                 .link = 1,
85                 .duplex = 1,
86                 .speed = RTL8367_PORT_SPEED_1000,
87         },
88 };
89
90 static struct rtl8367_platform_data tl_wr2543n_rtl8367_data = {
91         .gpio_sda       = TL_WR2543N_GPIO_RTL8367_SDA,
92         .gpio_sck       = TL_WR2543N_GPIO_RTL8367_SCK,
93         .extif0_cfg     = &tl_wr2543n_rtl8367_extif0_cfg,
94 };
95
96 static struct platform_device tl_wr2543n_rtl8367_device = {
97         .name           = RTL8367_DRIVER_NAME,
98         .id             = -1,
99         .dev = {
100                 .platform_data  = &tl_wr2543n_rtl8367_data,
101         }
102 };
103
104 static void __init tl_wr2543n_setup(void)
105 {
106         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
107         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
108
109         ath79_register_m25p80(&tl_wr2543n_flash_data);
110         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr2543n_leds_gpio),
111                                  tl_wr2543n_leds_gpio);
112         ath79_register_gpio_keys_polled(-1, TL_WR2543N_KEYS_POLL_INTERVAL,
113                                         ARRAY_SIZE(tl_wr2543n_gpio_keys),
114                                         tl_wr2543n_gpio_keys);
115         ath79_register_usb();
116         ap91_pci_init(eeprom, mac);
117
118         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
119         ath79_eth0_data.mii_bus_dev = &tl_wr2543n_rtl8367_device.dev;
120         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
121         ath79_eth0_data.speed = SPEED_1000;
122         ath79_eth0_data.duplex = DUPLEX_FULL;
123         ath79_eth0_pll_data.pll_1000 = 0x1a000000;
124
125         ath79_register_eth(0);
126
127         platform_device_register(&tl_wr2543n_rtl8367_device);
128 }
129
130 MIPS_MACHINE(ATH79_MACH_TL_WR2543N, "TL-WR2543N", "TP-LINK TL-WR2543N/ND",
131              tl_wr2543n_setup);