1/*
2 *  TP-LINK CPE210/220/510/520 board support
3 *
4 *  Copyright (C) 2014 Matthias Schiffer <mschiffer@universe-factory.net>
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/gpio.h>
12#include <linux/platform_device.h>
13
14#include <asm/mach-ath79/ath79.h>
15#include <asm/mach-ath79/ar71xx_regs.h>
16
17#include "common.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 "dev-wmac.h"
23#include "machtypes.h"
24
25
26#define CPE510_GPIO_LED_LAN0	11
27#define CPE510_GPIO_LED_LAN1	12
28#define CPE510_GPIO_LED_L1	13
29#define CPE510_GPIO_LED_L2	14
30#define CPE510_GPIO_LED_L3	15
31#define CPE510_GPIO_LED_L4	16
32
33#define CPE510_GPIO_EXTERNAL_LNA0	18
34#define CPE510_GPIO_EXTERNAL_LNA1	19
35
36#define CPE510_GPIO_BTN_RESET	4
37
38#define CPE510_KEYS_POLL_INTERVAL	20 /* msecs */
39#define CPE510_KEYS_DEBOUNCE_INTERVAL	(3 * CPE510_KEYS_POLL_INTERVAL)
40
41
42static struct gpio_led cpe510_leds_gpio[] __initdata = {
43	{
44		.name		= "tp-link:green:lan0",
45		.gpio		= CPE510_GPIO_LED_LAN0,
46		.active_low	= 1,
47	}, {
48		.name		= "tp-link:green:lan1",
49		.gpio		= CPE510_GPIO_LED_LAN1,
50		.active_low	= 1,
51	}, {
52		.name		= "tp-link:green:link1",
53		.gpio		= CPE510_GPIO_LED_L1,
54		.active_low	= 1,
55	}, {
56		.name		= "tp-link:green:link2",
57		.gpio		= CPE510_GPIO_LED_L2,
58		.active_low	= 1,
59	}, {
60		.name		= "tp-link:green:link3",
61		.gpio		= CPE510_GPIO_LED_L3,
62		.active_low	= 1,
63	}, {
64		.name		= "tp-link:green:link4",
65		.gpio		= CPE510_GPIO_LED_L4,
66		.active_low	= 1,
67	},
68};
69
70static struct gpio_keys_button cpe510_gpio_keys[] __initdata = {
71	{
72		.desc		= "Reset button",
73		.type		= EV_KEY,
74		.code		= KEY_RESTART,
75		.debounce_interval = CPE510_KEYS_DEBOUNCE_INTERVAL,
76		.gpio		= CPE510_GPIO_BTN_RESET,
77		.active_low	= 1,
78	}
79};
80
81static void __init cpe_setup(u8 *mac)
82{
83	/* Disable JTAG, enabling GPIOs 0-3 */
84	/* Configure OBS4 line, for GPIO 4*/
85	ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
86				  AR934X_GPIO_FUNC_CLK_OBS4_EN);
87
88	ath79_register_leds_gpio(-1, ARRAY_SIZE(cpe510_leds_gpio),
89				 cpe510_leds_gpio);
90
91	ath79_register_gpio_keys_polled(1, CPE510_KEYS_POLL_INTERVAL,
92					ARRAY_SIZE(cpe510_gpio_keys),
93					cpe510_gpio_keys);
94
95	ath79_wmac_set_ext_lna_gpio(0, CPE510_GPIO_EXTERNAL_LNA0);
96	ath79_wmac_set_ext_lna_gpio(1, CPE510_GPIO_EXTERNAL_LNA1);
97
98	ath79_register_m25p80(NULL);
99
100	ath79_register_mdio(1, 0);
101	ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
102	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
103	ath79_register_eth(1);
104}
105
106
107static void __init cpe210_setup(void)
108{
109	u8 *mac = (u8 *) KSEG1ADDR(0x1f830008);
110	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
111
112	cpe_setup(mac);
113
114	ath79_register_wmac(ee, mac);
115}
116
117static void __init cpe510_setup(void)
118{
119	u8 *mac = (u8 *) KSEG1ADDR(0x1f830008);
120	u8 *ee = (u8 *) KSEG1ADDR(0x1fff5000);
121
122	cpe_setup(mac);
123
124	ath79_register_wmac(ee, mac);
125}
126
127MIPS_MACHINE(ATH79_MACH_CPE210, "CPE210", "TP-LINK CPE210/220",
128	     cpe210_setup);
129
130MIPS_MACHINE(ATH79_MACH_CPE510, "CPE510", "TP-LINK CPE510/520",
131	     cpe510_setup);
132