1/*
2 * TRENDnet TEW-692GR 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/ethtool.h>
14#include <linux/pci.h>
15#include <linux/phy.h>
16#include <linux/rt2x00_platform.h>
17#include <linux/ar8216_platform.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 TEW_692GR_GPIO_LED_WPS_ORANGE	9
29#define TEW_692GR_GPIO_LED_WPS_GREEN	28
30
31#define TEW_692GR_GPIO_BUTTON_RESET	10
32#define TEW_692GR_GPIO_BUTTON_WPS	26
33
34#define TEW_692GR_KEYS_POLL_INTERVAL	20
35#define TEW_692GR_KEYS_DEBOUNCE_INTERVAL (3 * TEW_692GR_KEYS_POLL_INTERVAL)
36
37static struct gpio_led tew_692gr_leds_gpio[] __initdata = {
38	{
39		.name		= "trendnet:orange:wps",
40		.gpio		= TEW_692GR_GPIO_LED_WPS_ORANGE,
41		.active_low	= 1,
42	},
43	{
44		.name		= "trendnet:green:wps",
45		.gpio		= TEW_692GR_GPIO_LED_WPS_GREEN,
46		.active_low	= 1,
47	},
48};
49
50static struct gpio_keys_button tew_692gr_gpio_buttons[] __initdata = {
51	{
52		.desc		= "Reset button",
53		.type		= EV_KEY,
54		.code		= KEY_RESTART,
55		.debounce_interval = TEW_692GR_KEYS_DEBOUNCE_INTERVAL,
56		.gpio		= TEW_692GR_GPIO_BUTTON_RESET,
57		.active_low	= 1,
58	},
59	{
60		.desc		= "WPS button",
61		.type		= EV_KEY,
62		.code		= KEY_WPS_BUTTON,
63		.debounce_interval = TEW_692GR_KEYS_DEBOUNCE_INTERVAL,
64		.gpio		= TEW_692GR_GPIO_BUTTON_WPS,
65		.active_low	= 1,
66	},
67};
68
69static struct ar8327_pad_cfg tew_692gr_ar8327_pad0_cfg = {
70	.mode = AR8327_PAD_MAC_RGMII,
71	.txclk_delay_en = true,
72	.rxclk_delay_en = true,
73	.txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
74	.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
75};
76
77static struct ar8327_pad_cfg tew_692gr_ar8327_pad6_cfg = {
78	.mode = AR8327_PAD_MAC_RGMII,
79	.rxclk_delay_en = true,
80	.rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
81};
82
83static struct ar8327_led_cfg tew_692gr_ar8327_led_cfg = {
84	.led_ctrl0 = 0xc437c437,
85	.led_ctrl1 = 0xc337c337,
86	.led_ctrl2 = 0x00000000,
87	.led_ctrl3 = 0x03ffff00,
88	.open_drain = false,
89};
90
91static struct ar8327_platform_data tew_692gr_ar8327_data = {
92	.pad0_cfg = &tew_692gr_ar8327_pad0_cfg,
93	.pad6_cfg = &tew_692gr_ar8327_pad6_cfg,
94	.cpuport_cfg = {
95		.force_link = 1,
96		.speed = AR8327_PORT_SPEED_1000,
97		.duplex = 1,
98		.txpause = 1,
99		.rxpause = 1,
100	},
101	.led_cfg = &tew_692gr_ar8327_led_cfg,
102};
103
104static struct mdio_board_info tew_692gr_mdio0_info[] = {
105	{
106		.bus_id = "ramips_mdio",
107		.phy_addr = 0,
108		.platform_data = &tew_692gr_ar8327_data,
109	},
110};
111
112static void __init tew_692gr_init(void)
113{
114	rt3883_gpio_init(RT3883_GPIO_MODE_I2C |
115			 RT3883_GPIO_MODE_SPI |
116			 RT3883_GPIO_MODE_UART0(RT3883_GPIO_MODE_GPIO) |
117			 RT3883_GPIO_MODE_JTAG |
118			 RT3883_GPIO_MODE_PCI(RT3883_GPIO_MODE_PCI_FNC));
119
120	rt3883_register_pflash(0);
121
122	ramips_register_gpio_leds(-1, ARRAY_SIZE(tew_692gr_leds_gpio),
123				  tew_692gr_leds_gpio);
124
125	ramips_register_gpio_buttons(-1, TEW_692GR_KEYS_POLL_INTERVAL,
126				     ARRAY_SIZE(tew_692gr_gpio_buttons),
127				     tew_692gr_gpio_buttons);
128
129	rt3883_wlan_data.disable_5ghz = 1;
130	rt3883_register_wlan();
131
132	mdiobus_register_board_info(tew_692gr_mdio0_info,
133				    ARRAY_SIZE(tew_692gr_mdio0_info));
134
135	rt3883_eth_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
136	rt3883_eth_data.phy_mask = BIT(0);
137	rt3883_eth_data.tx_fc = 1;
138	rt3883_eth_data.rx_fc = 1;
139	rt3883_register_ethernet();
140
141	rt3883_register_wdt(false);
142
143	rt3883_pci_init(RT3883_PCI_MODE_PCIE);
144}
145
146MIPS_MACHINE(RAMIPS_MACH_TEW_692GR, "TEW-692GR", "TRENDnet TEW-692GR",
147	     tew_692gr_init);
148