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
31 static 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
51 static 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
69 static 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
78 static struct ath79_spi_platform_data ap81_spi_data = {
79 .bus_num = 0,
80 .num_chipselect = 1,
81 };
82
ap81_setup(void)83 static 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
97 MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
98 ap81_setup);
99