1/*
2 *  TP-LINK TL-WR841N/ND v1 board support
3 *
4 *  Copyright (C) 2009-2012 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/mtd/mtd.h>
12#include <linux/mtd/partitions.h>
13#include <linux/platform_device.h>
14
15#include <asm/mach-ath79/ath79.h>
16
17#include "dev-dsa.h"
18#include "dev-eth.h"
19#include "dev-gpio-buttons.h"
20#include "dev-leds-gpio.h"
21#include "dev-m25p80.h"
22#include "machtypes.h"
23#include "pci.h"
24
25#define TL_WR841ND_V1_GPIO_LED_SYSTEM		2
26#define TL_WR841ND_V1_GPIO_LED_QSS_GREEN	4
27#define TL_WR841ND_V1_GPIO_LED_QSS_RED		5
28
29#define TL_WR841ND_V1_GPIO_BTN_RESET		3
30#define TL_WR841ND_V1_GPIO_BTN_QSS		7
31
32#define TL_WR841ND_V1_KEYS_POLL_INTERVAL	20	/* msecs */
33#define TL_WR841ND_V1_KEYS_DEBOUNCE_INTERVAL \
34				(3 * TL_WR841ND_V1_KEYS_POLL_INTERVAL)
35
36static struct mtd_partition tl_wr841n_v1_partitions[] = {
37	{
38		.name		= "redboot",
39		.offset		= 0,
40		.size		= 0x020000,
41		.mask_flags	= MTD_WRITEABLE,
42	}, {
43		.name		= "kernel",
44		.offset		= 0x020000,
45		.size		= 0x140000,
46	}, {
47		.name		= "rootfs",
48		.offset		= 0x160000,
49		.size		= 0x280000,
50	}, {
51		.name		= "config",
52		.offset		= 0x3e0000,
53		.size		= 0x020000,
54		.mask_flags	= MTD_WRITEABLE,
55	}, {
56		.name		= "firmware",
57		.offset		= 0x020000,
58		.size		= 0x3c0000,
59	}
60};
61
62static struct flash_platform_data tl_wr841n_v1_flash_data = {
63	.parts		= tl_wr841n_v1_partitions,
64	.nr_parts	= ARRAY_SIZE(tl_wr841n_v1_partitions),
65};
66
67static struct gpio_led tl_wr841n_v1_leds_gpio[] __initdata = {
68	{
69		.name		= "tp-link:green:system",
70		.gpio		= TL_WR841ND_V1_GPIO_LED_SYSTEM,
71		.active_low	= 1,
72	}, {
73		.name		= "tp-link:red:qss",
74		.gpio		= TL_WR841ND_V1_GPIO_LED_QSS_RED,
75	}, {
76		.name		= "tp-link:green:qss",
77		.gpio		= TL_WR841ND_V1_GPIO_LED_QSS_GREEN,
78	}
79};
80
81static struct gpio_keys_button tl_wr841n_v1_gpio_keys[] __initdata = {
82	{
83		.desc		= "reset",
84		.type		= EV_KEY,
85		.code		= KEY_RESTART,
86		.debounce_interval = TL_WR841ND_V1_KEYS_DEBOUNCE_INTERVAL,
87		.gpio		= TL_WR841ND_V1_GPIO_BTN_RESET,
88		.active_low	= 1,
89	}, {
90		.desc		= "qss",
91		.type		= EV_KEY,
92		.code		= KEY_WPS_BUTTON,
93		.debounce_interval = TL_WR841ND_V1_KEYS_DEBOUNCE_INTERVAL,
94		.gpio		= TL_WR841ND_V1_GPIO_BTN_QSS,
95		.active_low	= 1,
96	}
97};
98
99static struct dsa_chip_data tl_wr841n_v1_dsa_chip = {
100	.port_names[0]  = "wan",
101	.port_names[1]  = "lan1",
102	.port_names[2]  = "lan2",
103	.port_names[3]  = "lan3",
104	.port_names[4]  = "lan4",
105	.port_names[5]  = "cpu",
106};
107
108static struct dsa_platform_data tl_wr841n_v1_dsa_data = {
109	.nr_chips	= 1,
110	.chip		= &tl_wr841n_v1_dsa_chip,
111};
112
113static void __init tl_wr841n_v1_setup(void)
114{
115	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
116
117	ath79_register_mdio(0, 0x0);
118
119	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
120	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
121	ath79_eth0_data.speed = SPEED_100;
122	ath79_eth0_data.duplex = DUPLEX_FULL;
123
124	ath79_register_eth(0);
125	ath79_register_dsa(&ath79_eth0_device.dev, &ath79_mdio0_device.dev,
126			   &tl_wr841n_v1_dsa_data);
127
128	ath79_register_m25p80(&tl_wr841n_v1_flash_data);
129
130	ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v1_leds_gpio),
131				 tl_wr841n_v1_leds_gpio);
132
133	ath79_register_gpio_keys_polled(-1, TL_WR841ND_V1_KEYS_POLL_INTERVAL,
134					ARRAY_SIZE(tl_wr841n_v1_gpio_keys),
135					tl_wr841n_v1_gpio_keys);
136	ath79_register_pci();
137}
138
139MIPS_MACHINE(ATH79_MACH_TL_WR841N_V1, "TL-WR841N-v1.5", "TP-LINK TL-WR841N v1",
140	     tl_wr841n_v1_setup);
141