1/*
2 *  D-Link DIR-645 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/init.h>
12#include <linux/platform_device.h>
13#include <linux/rtl8367.h>
14#include <linux/ethtool.h>
15#include <linux/rt2x00_platform.h>
16#include <linux/spi/spi.h>
17#include <linux/gpio.h>
18
19#include <asm/mach-ralink/machine.h>
20#include <asm/mach-ralink/dev-gpio-buttons.h>
21#include <asm/mach-ralink/dev-gpio-leds.h>
22#include <asm/mach-ralink/rt3883.h>
23#include <asm/mach-ralink/rt3883_regs.h>
24#include <asm/mach-ralink/ramips_eth_platform.h>
25
26#include "devices.h"
27
28#define DIR_645_GPIO_LED_INET		0
29#define DIR_645_GPIO_LED_WPS		26
30
31#define DIR_645_GPIO_BUTTON_RESET	9
32#define DIR_645_GPIO_BUTTON_WPS		14
33
34#define DIR_645_GPIO_USB_POWER		30
35
36#define DIR_645_GPIO_RTL8367_SCK	2
37#define DIR_645_GPIO_RTL8367_SDA	1
38
39#define DIR_645_KEYS_POLL_INTERVAL	20
40#define DIR_645_KEYS_DEBOUNCE_INTERVAL	(3 * DIR_645_KEYS_POLL_INTERVAL)
41
42static struct gpio_led dir_645_leds_gpio[] __initdata = {
43	{
44		.name		= "d-link:green:inet",
45		.gpio		= DIR_645_GPIO_LED_INET,
46		.active_low	= 1,
47	},
48	{
49		.name		= "d-link:green:wps",
50		.gpio		= DIR_645_GPIO_LED_WPS,
51		.active_low	= 1,
52	},
53};
54
55static struct gpio_keys_button dir_645_gpio_buttons[] __initdata = {
56	{
57		.desc		= "reset",
58		.type		= EV_KEY,
59		.code		= KEY_RESTART,
60		.debounce_interval = DIR_645_KEYS_DEBOUNCE_INTERVAL,
61		.gpio		= DIR_645_GPIO_BUTTON_RESET,
62		.active_low	= 1,
63	},
64	{
65		.desc		= "wps",
66		.type		= EV_KEY,
67		.code		= KEY_WPS_BUTTON,
68		.debounce_interval = DIR_645_KEYS_DEBOUNCE_INTERVAL,
69		.gpio		= DIR_645_GPIO_BUTTON_WPS,
70		.active_low	= 1,
71	}
72};
73
74static struct rtl8367_extif_config dir_645_rtl8367_extif1_cfg = {
75	.txdelay = 1,
76	.rxdelay = 0,
77	.mode = RTL8367_EXTIF_MODE_RGMII,
78	.ability = {
79		.force_mode = 1,
80		.txpause = 1,
81		.rxpause = 1,
82		.link = 1,
83		.duplex = 1,
84		.speed = RTL8367_PORT_SPEED_1000,
85	}
86};
87
88static struct rtl8367_platform_data dir_645_rtl8367_data = {
89	.gpio_sda	= DIR_645_GPIO_RTL8367_SDA,
90	.gpio_sck	= DIR_645_GPIO_RTL8367_SCK,
91	.extif1_cfg	= &dir_645_rtl8367_extif1_cfg,
92};
93
94static struct platform_device dir_645_rtl8367_device = {
95	.name		= RTL8367B_DRIVER_NAME,
96	.id		= -1,
97	.dev = {
98		.platform_data	= &dir_645_rtl8367_data,
99	}
100};
101
102static struct spi_board_info dir_645_spi_info[] = {
103	{
104		.bus_num	= 0,
105		.chip_select	= 0,
106		.max_speed_hz	= 25000000,
107		.modalias	= "m25p80",
108	}
109};
110
111static void __init dir_645_gpio_init(void)
112{
113	rt3883_gpio_init(RT3883_GPIO_MODE_I2C |
114			 RT3883_GPIO_MODE_UART0(RT3883_GPIO_MODE_GPIO) |
115			 RT3883_GPIO_MODE_JTAG |
116			 RT3883_GPIO_MODE_PCI(RT3883_GPIO_MODE_PCI_FNC));
117
118	gpio_request_one(DIR_645_GPIO_USB_POWER,
119			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
120			 "USB power");
121}
122
123static void __init dir_645_init(void)
124{
125	dir_645_gpio_init();
126
127	rt3883_register_spi(dir_645_spi_info,
128			    ARRAY_SIZE(dir_645_spi_info));
129
130	ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_645_leds_gpio),
131				  dir_645_leds_gpio);
132
133	ramips_register_gpio_buttons(-1, DIR_645_KEYS_POLL_INTERVAL,
134				     ARRAY_SIZE(dir_645_gpio_buttons),
135				     dir_645_gpio_buttons);
136
137	platform_device_register(&dir_645_rtl8367_device);
138
139	rt3883_wlan_data.disable_5ghz = 1;
140	rt3883_register_wlan();
141
142	rt3883_eth_data.speed = SPEED_1000;
143	rt3883_eth_data.duplex = DUPLEX_FULL;
144	rt3883_eth_data.tx_fc = 1;
145	rt3883_eth_data.rx_fc = 1;
146	rt3883_register_ethernet();
147
148	rt3883_register_wdt(false);
149	rt3883_register_usbhost();
150}
151
152MIPS_MACHINE(RAMIPS_MACH_DIR_645, "DIR-645", "D-Link DIR-645", dir_645_init);
153