1/*
2 *  NETGEAR WNDR3700v4/WNDR4300 board support
3 *
4 *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
5 *  Copyright (C) 2014 Ralph Perlich <rpsoft@arcor.de>
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/pci.h>
13#include <linux/phy.h>
14#include <linux/gpio.h>
15#include <linux/platform_device.h>
16#include <linux/ath9k_platform.h>
17#include <linux/ar8216_platform.h>
18#include <linux/mtd/mtd.h>
19#include <linux/mtd/nand.h>
20#include <linux/platform/ar934x_nfc.h>
21
22#include <asm/mach-ath79/ar71xx_regs.h>
23
24#include "common.h"
25#include "dev-ap9x-pci.h"
26#include "dev-eth.h"
27#include "dev-gpio-buttons.h"
28#include "dev-leds-gpio.h"
29#include "dev-nfc.h"
30#include "dev-usb.h"
31#include "dev-wmac.h"
32#include "machtypes.h"
33
34/* AR9344 GPIOs */
35#define WNDR4300_GPIO_LED_POWER_GREEN	0
36#define WNDR4300_GPIO_LED_POWER_AMBER	2
37#define WNDR4300_GPIO_LED_USB		13
38#define WNDR4300_GPIO_LED_WAN_GREEN	1
39#define WNDR4300_GPIO_LED_WAN_AMBER	3
40#define WNDR4300_GPIO_LED_WLAN2G	11
41#define WNDR4300_GPIO_LED_WLAN5G	14
42#define WNDR4300_GPIO_LED_WPS_GREEN	16
43#define WNDR4300_GPIO_LED_WPS_AMBER	17
44
45#define WNDR4300_GPIO_BTN_RESET		21
46#define WNDR4300_GPIO_BTN_WIRELESS	15
47#define WNDR4300_GPIO_BTN_WPS		12
48
49/* AR9580 GPIOs */
50#define WNDR4300_GPIO_USB_5V		0
51
52#define WNDR4300_KEYS_POLL_INTERVAL	20	/* msecs */
53#define WNDR4300_KEYS_DEBOUNCE_INTERVAL	(3 * WNDR4300_KEYS_POLL_INTERVAL)
54
55static struct gpio_led wndr4300_leds_gpio[] __initdata = {
56	{
57		.name		= "netgear:green:power",
58		.gpio		= WNDR4300_GPIO_LED_POWER_GREEN,
59		.active_low	= 1,
60	},
61	{
62		.name		= "netgear:amber:power",
63		.gpio		= WNDR4300_GPIO_LED_POWER_AMBER,
64		.active_low	= 1,
65	},
66	{
67		.name		= "netgear:green:wan",
68		.gpio		= WNDR4300_GPIO_LED_WAN_GREEN,
69		.active_low	= 1,
70	},
71	{
72		.name		= "netgear:amber:wan",
73		.gpio		= WNDR4300_GPIO_LED_WAN_AMBER,
74		.active_low	= 1,
75	},
76	{
77		.name		= "netgear:green:usb",
78		.gpio		= WNDR4300_GPIO_LED_USB,
79		.active_low	= 1,
80	},
81	{
82		.name		= "netgear:green:wps",
83		.gpio		= WNDR4300_GPIO_LED_WPS_GREEN,
84		.active_low	= 1,
85	},
86	{
87		.name		= "netgear:amber:wps",
88		.gpio		= WNDR4300_GPIO_LED_WPS_AMBER,
89		.active_low	= 1,
90	},
91	{
92		.name		= "netgear:green:wlan2g",
93		.gpio		= WNDR4300_GPIO_LED_WLAN2G,
94		.active_low	= 1,
95	},
96	{
97		.name		= "netgear:blue:wlan5g",
98		.gpio		= WNDR4300_GPIO_LED_WLAN5G,
99		.active_low	= 1,
100	},
101};
102
103static struct gpio_keys_button wndr4300_gpio_keys[] __initdata = {
104	{
105		.desc		= "Reset button",
106		.type		= EV_KEY,
107		.code		= KEY_RESTART,
108		.debounce_interval = WNDR4300_KEYS_DEBOUNCE_INTERVAL,
109		.gpio		= WNDR4300_GPIO_BTN_RESET,
110		.active_low	= 1,
111	},
112	{
113		.desc		= "WPS button",
114		.type		= EV_KEY,
115		.code		= KEY_WPS_BUTTON,
116		.debounce_interval = WNDR4300_KEYS_DEBOUNCE_INTERVAL,
117		.gpio		= WNDR4300_GPIO_BTN_WPS,
118		.active_low	= 1,
119	},
120	{
121		.desc		= "Wireless button",
122		.type		= EV_KEY,
123		.code		= KEY_RFKILL,
124		.debounce_interval = WNDR4300_KEYS_DEBOUNCE_INTERVAL,
125		.gpio		= WNDR4300_GPIO_BTN_WIRELESS,
126		.active_low	= 1,
127	},
128};
129
130static struct ar8327_pad_cfg wndr4300_ar8327_pad0_cfg = {
131	.mode = AR8327_PAD_MAC_RGMII,
132	.txclk_delay_en = true,
133	.rxclk_delay_en = true,
134	.txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
135	.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
136};
137
138static struct ar8327_led_cfg wndr4300_ar8327_led_cfg = {
139	.led_ctrl0 = 0xc737c737,
140	.led_ctrl1 = 0x00000000,
141	.led_ctrl2 = 0x00000000,
142	.led_ctrl3 = 0x0030c300,
143	.open_drain = false,
144};
145
146static struct ar8327_platform_data wndr4300_ar8327_data = {
147	.pad0_cfg = &wndr4300_ar8327_pad0_cfg,
148	.port0_cfg = {
149		.force_link = 1,
150		.speed = AR8327_PORT_SPEED_1000,
151		.duplex = 1,
152		.txpause = 1,
153		.rxpause = 1,
154	},
155	.led_cfg = &wndr4300_ar8327_led_cfg,
156};
157
158static struct mdio_board_info wndr4300_mdio0_info[] = {
159	{
160		.bus_id = "ag71xx-mdio.0",
161		.phy_addr = 0,
162		.platform_data = &wndr4300_ar8327_data,
163	},
164};
165
166static void __init wndr4300_setup(void)
167{
168	int i;
169
170	for (i = 0; i < ARRAY_SIZE(wndr4300_leds_gpio); i++)
171		ath79_gpio_output_select(wndr4300_leds_gpio[i].gpio,
172					 AR934X_GPIO_OUT_GPIO);
173
174	ath79_register_leds_gpio(-1, ARRAY_SIZE(wndr4300_leds_gpio),
175				 wndr4300_leds_gpio);
176	ath79_register_gpio_keys_polled(-1, WNDR4300_KEYS_POLL_INTERVAL,
177					ARRAY_SIZE(wndr4300_gpio_keys),
178					wndr4300_gpio_keys);
179
180	ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
181
182	mdiobus_register_board_info(wndr4300_mdio0_info,
183				    ARRAY_SIZE(wndr4300_mdio0_info));
184
185	ath79_register_mdio(0, 0x0);
186
187	/* GMAC0 is connected to an AR8327N switch */
188	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
189	ath79_eth0_data.phy_mask = BIT(0);
190	ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
191	ath79_eth0_pll_data.pll_1000 = 0x06000000;
192	ath79_register_eth(0);
193
194	ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_HW);
195	ath79_register_nfc();
196	ath79_register_usb();
197
198	ath79_register_wmac_simple();
199
200	/* enable power for the USB port */
201	ap9x_pci_setup_wmac_gpio(0, BIT(WNDR4300_GPIO_USB_5V),
202				 BIT(WNDR4300_GPIO_USB_5V));
203
204	ap91_pci_init_simple();
205}
206
207MIPS_MACHINE(ATH79_MACH_WNDR3700_V4, "WNDR3700_V4", "NETGEAR WNDR3700v4",
208	     wndr4300_setup);
209MIPS_MACHINE(ATH79_MACH_WNDR4300, "WNDR4300", "NETGEAR WNDR4300",
210	     wndr4300_setup);
211