1/*
2 *  ALFA NETWORKS Hornet-UB 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/gpio.h>
12
13#include <asm/mach-ath79/ath79.h>
14#include <asm/mach-ath79/ar71xx_regs.h>
15
16#include "common.h"
17#include "dev-eth.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 "dev-wmac.h"
23#include "machtypes.h"
24
25#define HORNET_UB_GPIO_LED_WLAN		0
26#define HORNET_UB_GPIO_LED_USB		1
27#define HORNET_UB_GPIO_LED_LAN		13
28#define HORNET_UB_GPIO_LED_WAN		17
29#define HORNET_UB_GPIO_LED_WPS		27
30
31#define HORNET_UB_GPIO_BTN_RESET	11
32#define HORNET_UB_GPIO_BTN_WPS		12
33
34#define HORNET_UB_GPIO_USB_POWER	26
35
36#define HORNET_UB_KEYS_POLL_INTERVAL	20	/* msecs */
37#define HORNET_UB_KEYS_DEBOUNCE_INTERVAL	(3 * HORNET_UB_KEYS_POLL_INTERVAL)
38
39#define HORNET_UB_MAC0_OFFSET		0x0000
40#define HORNET_UB_MAC1_OFFSET		0x0006
41#define HORNET_UB_CALDATA_OFFSET	0x1000
42
43static struct gpio_led hornet_ub_leds_gpio[] __initdata = {
44	{
45		.name		= "alfa:blue:lan",
46		.gpio		= HORNET_UB_GPIO_LED_LAN,
47		.active_low	= 0,
48	},
49	{
50		.name		= "alfa:blue:usb",
51		.gpio		= HORNET_UB_GPIO_LED_USB,
52		.active_low	= 0,
53	},
54	{
55		.name		= "alfa:blue:wan",
56		.gpio		= HORNET_UB_GPIO_LED_WAN,
57		.active_low	= 1,
58	},
59	{
60		.name		= "alfa:blue:wlan",
61		.gpio		= HORNET_UB_GPIO_LED_WLAN,
62		.active_low	= 0,
63	},
64	{
65		.name		= "alfa:blue:wps",
66		.gpio		= HORNET_UB_GPIO_LED_WPS,
67		.active_low	= 1,
68	},
69};
70
71static struct gpio_keys_button hornet_ub_gpio_keys[] __initdata = {
72	{
73		.desc		= "WPS button",
74		.type		= EV_KEY,
75		.code		= KEY_WPS_BUTTON,
76		.debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
77		.gpio		= HORNET_UB_GPIO_BTN_WPS,
78		.active_low	= 1,
79	},
80	{
81		.desc		= "Reset button",
82		.type		= EV_KEY,
83		.code		= KEY_RESTART,
84		.debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
85		.gpio		= HORNET_UB_GPIO_BTN_RESET,
86		.active_low	= 0,
87	}
88};
89
90static void __init hornet_ub_gpio_setup(void)
91{
92	u32 t;
93
94	ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
95				     AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
96				     AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
97				     AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
98				     AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
99
100	t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
101	t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
102	ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
103
104	gpio_request_one(HORNET_UB_GPIO_USB_POWER,
105			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
106			 "USB power");
107}
108
109static void __init hornet_ub_setup(void)
110{
111	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
112
113	hornet_ub_gpio_setup();
114
115	ath79_register_m25p80(NULL);
116	ath79_register_leds_gpio(-1, ARRAY_SIZE(hornet_ub_leds_gpio),
117					hornet_ub_leds_gpio);
118	ath79_register_gpio_keys_polled(-1, HORNET_UB_KEYS_POLL_INTERVAL,
119					 ARRAY_SIZE(hornet_ub_gpio_keys),
120					 hornet_ub_gpio_keys);
121
122	ath79_init_mac(ath79_eth1_data.mac_addr,
123			art + HORNET_UB_MAC0_OFFSET, 0);
124	ath79_init_mac(ath79_eth0_data.mac_addr,
125			art + HORNET_UB_MAC1_OFFSET, 0);
126
127	ath79_register_mdio(0, 0x0);
128
129	ath79_register_eth(1);
130	ath79_register_eth(0);
131
132	ath79_register_wmac(art + HORNET_UB_CALDATA_OFFSET, NULL);
133	ath79_register_usb();
134}
135
136MIPS_MACHINE(ATH79_MACH_HORNET_UB, "HORNET-UB", "ALFA NETWORKS Hornet-UB",
137	     hornet_ub_setup);
138