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/* The WLAN LEDs use GPIOs on the discrete AR9380 wmac */
28#define TL_WR2543N_GPIO_WMAC_LED_WLAN2G 0
29#define TL_WR2543N_GPIO_WMAC_LED_WLAN5G 1
30
31#define TL_WR2543N_GPIO_BTN_RESET      11
32#define TL_WR2543N_GPIO_BTN_WPS        12
33
34#define TL_WR2543N_GPIO_RTL8367_SDA	1
35#define TL_WR2543N_GPIO_RTL8367_SCK	6
36
37#define TL_WR2543N_KEYS_POLL_INTERVAL	20	/* msecs */
38#define TL_WR2543N_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR2543N_KEYS_POLL_INTERVAL)
39
40static const char *tl_wr2543n_part_probes[] = {
41	"tp-link",
42	NULL,
43};
44
45static struct flash_platform_data tl_wr2543n_flash_data = {
46	.part_probes	= tl_wr2543n_part_probes,
47};
48
49static struct gpio_led tl_wr2543n_leds_gpio[] __initdata = {
50	{
51		.name		= "tp-link:green:usb",
52		.gpio		= TL_WR2543N_GPIO_LED_USB,
53		.active_low	= 1,
54	}, {
55		.name		= "tp-link:green:wps",
56		.gpio		= TL_WR2543N_GPIO_LED_WPS,
57		.active_low	= 1,
58	}
59};
60
61static struct gpio_led tl_wr2543n_wmac_leds_gpio[] = {
62	{
63		.name		= "tp-link:green:wlan5g",
64		.gpio		= TL_WR2543N_GPIO_WMAC_LED_WLAN5G,
65		.active_low	= 1,
66	},
67};
68
69static struct gpio_keys_button tl_wr2543n_gpio_keys[] __initdata = {
70	{
71		.desc		= "reset",
72		.type		= EV_KEY,
73		.code		= KEY_RESTART,
74		.debounce_interval = TL_WR2543N_KEYS_DEBOUNCE_INTERVAL,
75		.gpio		= TL_WR2543N_GPIO_BTN_RESET,
76		.active_low	= 1,
77	}, {
78		.desc		= "wps",
79		.type		= EV_KEY,
80		.code		= KEY_WPS_BUTTON,
81		.debounce_interval = TL_WR2543N_KEYS_DEBOUNCE_INTERVAL,
82		.gpio		= TL_WR2543N_GPIO_BTN_WPS,
83		.active_low	= 1,
84	}
85};
86
87static struct rtl8367_extif_config tl_wr2543n_rtl8367_extif0_cfg = {
88	.mode = RTL8367_EXTIF_MODE_RGMII,
89	.txdelay = 1,
90	.rxdelay = 0,
91	.ability = {
92		.force_mode = 1,
93		.txpause = 1,
94		.rxpause = 1,
95		.link = 1,
96		.duplex = 1,
97		.speed = RTL8367_PORT_SPEED_1000,
98	},
99};
100
101static struct rtl8367_platform_data tl_wr2543n_rtl8367_data = {
102	.gpio_sda	= TL_WR2543N_GPIO_RTL8367_SDA,
103	.gpio_sck	= TL_WR2543N_GPIO_RTL8367_SCK,
104	.extif0_cfg	= &tl_wr2543n_rtl8367_extif0_cfg,
105};
106
107static struct platform_device tl_wr2543n_rtl8367_device = {
108	.name		= RTL8367_DRIVER_NAME,
109	.id		= -1,
110	.dev = {
111		.platform_data	= &tl_wr2543n_rtl8367_data,
112	}
113};
114
115static void __init tl_wr2543n_setup(void)
116{
117	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
118	u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
119
120	ath79_register_m25p80(&tl_wr2543n_flash_data);
121	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr2543n_leds_gpio),
122				 tl_wr2543n_leds_gpio);
123	ath79_register_gpio_keys_polled(-1, TL_WR2543N_KEYS_POLL_INTERVAL,
124					ARRAY_SIZE(tl_wr2543n_gpio_keys),
125					tl_wr2543n_gpio_keys);
126	ath79_register_usb();
127
128	/*
129	 * The ath9k driver uses this pin for its default led device, which is
130	 * named ath9k-phy0, and reflects activity on either the 2 GHz or 5 GHz
131	 * bands. This pin is connected to the WR2543's 2GHz WLAN LED.
132	 */
133	ap9x_pci_setup_wmac_led_pin(0, TL_WR2543N_GPIO_WMAC_LED_WLAN2G);
134
135	/*
136	 * We also have the driver set up an led device for the WR2543's
137	 * separate 5 GHz WLAN LED in case the user wants it.
138	 */
139	ap9x_pci_setup_wmac_leds(0, tl_wr2543n_wmac_leds_gpio,
140				 ARRAY_SIZE(tl_wr2543n_wmac_leds_gpio));
141	ap91_pci_init(eeprom, mac);
142
143	ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
144	ath79_eth0_data.mii_bus_dev = &tl_wr2543n_rtl8367_device.dev;
145	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
146	ath79_eth0_data.speed = SPEED_1000;
147	ath79_eth0_data.duplex = DUPLEX_FULL;
148	ath79_eth0_pll_data.pll_1000 = 0x1a000000;
149
150	ath79_register_eth(0);
151
152	platform_device_register(&tl_wr2543n_rtl8367_device);
153}
154
155MIPS_MACHINE(ATH79_MACH_TL_WR2543N, "TL-WR2543N", "TP-LINK TL-WR2543N/ND",
156	     tl_wr2543n_setup);
157