1/*
 2 *  Atheros AP81 board support
 3 *
 4 *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 5 *  Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
 6 *
 7 *  This program is free software; you can redistribute it and/or modify it
 8 *  under the terms of the GNU General Public License version 2 as published
 9 *  by the Free Software Foundation.
10 */
11
12#include "machtypes.h"
13#include "dev-ar913x-wmac.h"
14#include "dev-gpio-buttons.h"
15#include "dev-leds-gpio.h"
16#include "dev-spi.h"
17
18#define AP81_GPIO_LED_STATUS	1
19#define AP81_GPIO_LED_AOSS	3
20#define AP81_GPIO_LED_WLAN	6
21#define AP81_GPIO_LED_POWER	14
22
23#define AP81_GPIO_BTN_SW4	12
24#define AP81_GPIO_BTN_SW1	21
25
26#define AP81_KEYS_POLL_INTERVAL		20	/* msecs */
27#define AP81_KEYS_DEBOUNCE_INTERVAL	(3 * AP81_KEYS_POLL_INTERVAL)
28
29#define AP81_CAL_DATA_ADDR	0x1fff1000
30
31static struct gpio_led ap81_leds_gpio[] __initdata = {
32	{
33		.name		= "ap81:green:status",
34		.gpio		= AP81_GPIO_LED_STATUS,
35		.active_low	= 1,
36	}, {
37		.name		= "ap81:amber:aoss",
38		.gpio		= AP81_GPIO_LED_AOSS,
39		.active_low	= 1,
40	}, {
41		.name		= "ap81:green:wlan",
42		.gpio		= AP81_GPIO_LED_WLAN,
43		.active_low	= 1,
44	}, {
45		.name		= "ap81:green:power",
46		.gpio		= AP81_GPIO_LED_POWER,
47		.active_low	= 1,
48	}
49};
50
51static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
52	{
53		.desc		= "sw1",
54		.type		= EV_KEY,
55		.code		= BTN_0,
56		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
57		.gpio		= AP81_GPIO_BTN_SW1,
58		.active_low	= 1,
59	} , {
60		.desc		= "sw4",
61		.type		= EV_KEY,
62		.code		= BTN_1,
63		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
64		.gpio		= AP81_GPIO_BTN_SW4,
65		.active_low	= 1,
66	}
67};
68
69static struct spi_board_info ap81_spi_info[] = {
70	{
71		.bus_num	= 0,
72		.chip_select	= 0,
73		.max_speed_hz	= 25000000,
74		.modalias	= "m25p64",
75	}
76};
77
78static struct ath79_spi_platform_data ap81_spi_data = {
79	.bus_num	= 0,
80	.num_chipselect	= 1,
81};
82
83static void __init ap81_setup(void)
84{
85	u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);
86
87	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
88				 ap81_leds_gpio);
89	ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
90					ARRAY_SIZE(ap81_gpio_keys),
91					ap81_gpio_keys);
92	ath79_register_spi(&ap81_spi_data, ap81_spi_info,
93			   ARRAY_SIZE(ap81_spi_info));
94	ath79_register_ar913x_wmac(cal_data);
95}
96
97MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
98	     ap81_setup);