ramips: add preliminary support for the Asus RT-N56U board
[openwrt/svn-archive/archive.git] / target / linux / ramips / files / arch / mips / ralink / rt3883 / mach-rt-n56u.c
1 /*
2 * Asus RT-N56U 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/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/rtl8367.h>
14 #include <linux/ethtool.h>
15
16 #include <asm/mach-ralink/machine.h>
17 #include <asm/mach-ralink/dev-gpio-buttons.h>
18 #include <asm/mach-ralink/dev-gpio-leds.h>
19 #include <asm/mach-ralink/rt3883.h>
20 #include <asm/mach-ralink/rt3883_regs.h>
21 #include <asm/mach-ralink/ramips_eth_platform.h>
22
23 #include "devices.h"
24
25 #define RT_N56U_GPIO_LED_POWER 0
26 #define RT_N56U_GPIO_LED_LAN 19
27 #define RT_N56U_GPIO_LED_USB 24
28 #define RT_N56U_GPIO_LED_WAN 27
29 #define RT_N56U_GPIO_BUTTON_RESET 13
30 #define RT_N56U_GPIO_BUTTON_WPS 26
31
32 #define RT_N56U_GPIO_RTL8367_SCK 2
33 #define RT_N56U_GPIO_RTL8367_SDA 1
34
35 #define RT_N56U_KEYS_POLL_INTERVAL 20
36 #define RT_N56U_KEYS_DEBOUNCE_INTERVAL (3 * RT_N56U_KEYS_POLL_INTERVAL)
37
38 static struct gpio_led rt_n56u_leds_gpio[] __initdata = {
39 {
40 .name = "asus:blue:power",
41 .gpio = RT_N56U_GPIO_LED_POWER,
42 .active_low = 1,
43 },
44 {
45 .name = "asus:blue:lan",
46 .gpio = RT_N56U_GPIO_LED_LAN,
47 .active_low = 1,
48 },
49 {
50 .name = "asus:blue:wan",
51 .gpio = RT_N56U_GPIO_LED_WAN,
52 .active_low = 1,
53 },
54 {
55 .name = "asus:blue:usb",
56 .gpio = RT_N56U_GPIO_LED_USB,
57 .active_low = 1,
58 },
59 };
60
61 static struct gpio_keys_button rt_n56u_gpio_buttons[] __initdata = {
62 {
63 .desc = "reset",
64 .type = EV_KEY,
65 .code = KEY_RESTART,
66 .debounce_interval = RT_N56U_KEYS_DEBOUNCE_INTERVAL,
67 .gpio = RT_N56U_GPIO_BUTTON_RESET,
68 .active_low = 1,
69 },
70 {
71 .desc = "wps",
72 .type = EV_KEY,
73 .code = KEY_WPS_BUTTON,
74 .debounce_interval = RT_N56U_KEYS_DEBOUNCE_INTERVAL,
75 .gpio = RT_N56U_GPIO_BUTTON_WPS,
76 .active_low = 1,
77 }
78 };
79
80 static struct rtl8367_extif_config rt_n56u_rtl8367_extif1_cfg = {
81 .txdelay = 1,
82 .rxdelay = 0,
83 .mode = RTL8367_EXTIF_MODE_RGMII,
84 .ability = {
85 .force_mode = 1,
86 .txpause = 1,
87 .rxpause = 1,
88 .link = 1,
89 .duplex = 1,
90 .speed = RTL8367_PORT_SPEED_1000,
91 }
92 };
93
94 static struct rtl8367_platform_data rt_n56u_rtl8367_data = {
95 .gpio_sda = RT_N56U_GPIO_RTL8367_SDA,
96 .gpio_sck = RT_N56U_GPIO_RTL8367_SCK,
97 .extif1_cfg = &rt_n56u_rtl8367_extif1_cfg,
98 };
99
100 static struct platform_device rt_n56u_rtl8367_device = {
101 .name = RTL8367_DRIVER_NAME,
102 .id = -1,
103 .dev = {
104 .platform_data = &rt_n56u_rtl8367_data,
105 }
106 };
107
108 static void __init rt_n56u_init(void)
109 {
110 rt3883_gpio_init(RT3883_GPIO_MODE_I2C |
111 RT3883_GPIO_MODE_UART0(RT3883_GPIO_MODE_GPIO) |
112 RT3883_GPIO_MODE_JTAG |
113 RT3883_GPIO_MODE_PCI(RT3883_GPIO_MODE_PCI_FNC));
114
115 rt3883_register_pflash(0);
116
117 ramips_register_gpio_leds(-1, ARRAY_SIZE(rt_n56u_leds_gpio),
118 rt_n56u_leds_gpio);
119
120 ramips_register_gpio_buttons(-1, RT_N56U_KEYS_POLL_INTERVAL,
121 ARRAY_SIZE(rt_n56u_gpio_buttons),
122 rt_n56u_gpio_buttons);
123
124 platform_device_register(&rt_n56u_rtl8367_device);
125
126 rt3883_register_wlan();
127
128 rt3883_eth_data.speed = SPEED_1000;
129 rt3883_eth_data.duplex = DUPLEX_FULL;
130 rt3883_eth_data.tx_fc = 1;
131 rt3883_eth_data.rx_fc = 1;
132 rt3883_register_ethernet();
133
134 rt3883_register_wdt(false);
135 rt3883_register_usbhost();
136 }
137
138 MIPS_MACHINE(RAMIPS_MACH_RT_N56U, "RT-N56U", "Asus RT-N56U", rt_n56u_init);