aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ar71xx/files/arch/mips/ath79/mach-gl-ar750.c
blob: 9ee6e29c02139b972a83a555fcd693765bf8194f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/*
 * GL.iNet GL-AR750 board support
 *
 * Copyright (C) 2018 Piotr Dymacz <pepe2k@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 */

#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/platform_device.h>

#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>

#include "common.h"
#include "dev-ap9x-pci.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define GL_AR750_GPIO_LED_POWER		12
#define GL_AR750_GPIO_LED_WLAN2G	14
#define GL_AR750_GPIO_LED_WLAN5G	13

#define GL_AR750_GPIO_BTN_RESET		3
#define GL_AR750_GPIO_BTN_SW1		0

#define GL_AR750_GPIO_I2C_SCL		16
#define GL_AR750_GPIO_I2C_SDA		17

#define GL_AR750_GPIO_USB_POWER		2

#define GL_AR750_KEYS_POLL_INTERVAL	20
#define GL_AR750_KEYS_DEBOUNCE_INTERVAL	(3 * GL_AR750_KEYS_POLL_INTERVAL)

#define GL_AR750_MAC0_OFFSET		0
#define GL_AR750_WMAC2G_CALDATA_OFFSET	0x1000
#define GL_AR750_WMAC5G_CALDATA_OFFSET	0x5000

static struct gpio_led gl_ar750_leds_gpio[] __initdata = {
	{
		.name		= "gl-ar750:white:power",
		.gpio		= GL_AR750_GPIO_LED_POWER,
		.default_state	= LEDS_GPIO_DEFSTATE_KEEP,
		.active_low	= 1,
	}, {
		.name		= "gl-ar750:white:wlan2g",
		.gpio		= GL_AR750_GPIO_LED_WLAN2G,
		.active_low	= 1,
	}, {
		.name		= "gl-ar750:white:wlan5g",
		.gpio		= GL_AR750_GPIO_LED_WLAN5G,
		.active_low	= 1,
	},
};

static struct gpio_keys_button gl_ar750_gpio_keys[] __initdata = {
	{
		.desc			= "reset",
		.type			= EV_KEY,
		.code			= KEY_RESTART,
		.debounce_interval	= GL_AR750_KEYS_DEBOUNCE_INTERVAL,
		.gpio			= GL_AR750_GPIO_BTN_RESET,
		.active_low		= 1,
	}, {
		.desc			= "sw1",
		.type			= EV_KEY,
		.code			= BTN_0,
		.debounce_interval	= GL_AR750_KEYS_DEBOUNCE_INTERVAL,
		.gpio			= GL_AR750_GPIO_BTN_SW1,
		.active_low		= 1,
	},
};

static struct i2c_gpio_platform_data gl_ar750_i2c_gpio_data = {
	.sda_pin = GL_AR750_GPIO_I2C_SDA,
	.scl_pin = GL_AR750_GPIO_I2C_SCL,
};

static struct platform_device gl_ar750_i2c_gpio = {
	.name	= "i2c-gpio",
	.id	= 0,
	.dev	= {
		.platform_data = &gl_ar750_i2c_gpio_data,
	},
};

static void __init gl_ar750_setup(void)
{
	u8 *art = (u8 *) KSEG1ADDR(0x1f050000);

	ath79_register_m25p80(NULL);

	ath79_setup_ar933x_phy4_switch(false, false);
	ath79_register_mdio(0, 0x0);

	ath79_switch_data.phy4_mii_en = 1;
	ath79_switch_data.phy_poll_mask = 0xfc;

	/* WAN */
	ath79_eth0_data.duplex = DUPLEX_FULL;
	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
	ath79_eth0_data.phy_mask = BIT(4);
	ath79_eth0_data.speed = SPEED_100;
	ath79_init_mac(ath79_eth0_data.mac_addr, art + GL_AR750_MAC0_OFFSET, 0);
	ath79_register_eth(0);

	/* LAN */
	ath79_eth1_data.duplex = DUPLEX_FULL;
	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
	ath79_init_mac(ath79_eth1_data.mac_addr, art + GL_AR750_MAC0_OFFSET, 1);
	ath79_register_eth(1);

	/* Disable JTAG (enables GPIO0-3) */
	ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);

	ath79_register_leds_gpio(-1, ARRAY_SIZE(gl_ar750_leds_gpio),
				 gl_ar750_leds_gpio);

	ath79_register_gpio_keys_polled(-1, GL_AR750_KEYS_POLL_INTERVAL,
					ARRAY_SIZE(gl_ar750_gpio_keys),
					gl_ar750_gpio_keys);

	gpio_request_one(GL_AR750_GPIO_USB_POWER,
			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
			 "USB power");

	platform_device_register(&gl_ar750_i2c_gpio);

	ath79_register_usb();

	ath79_register_wmac(art + GL_AR750_WMAC2G_CALDATA_OFFSET, NULL);

	ap91_pci_init(art + GL_AR750_WMAC5G_CALDATA_OFFSET, NULL);
}

MIPS_MACHINE(ATH79_MACH_GL_AR750, "GL-AR750", "GL.iNet GL-AR750",
	     gl_ar750_setup);