Linux Kernel  3.7.1
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mach-ap81.c
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1 /*
2  * Atheros AP81 board support
3  *
4  * Copyright (C) 2009-2010 Gabor Juhos <[email protected]>
5  * Copyright (C) 2009 Imre Kaloz <[email protected]>
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-wmac.h"
14 #include "dev-gpio-buttons.h"
15 #include "dev-leds-gpio.h"
16 #include "dev-spi.h"
17 #include "dev-usb.h"
18 
19 #define AP81_GPIO_LED_STATUS 1
20 #define AP81_GPIO_LED_AOSS 3
21 #define AP81_GPIO_LED_WLAN 6
22 #define AP81_GPIO_LED_POWER 14
23 
24 #define AP81_GPIO_BTN_SW4 12
25 #define AP81_GPIO_BTN_SW1 21
26 
27 #define AP81_KEYS_POLL_INTERVAL 20 /* msecs */
28 #define AP81_KEYS_DEBOUNCE_INTERVAL (3 * AP81_KEYS_POLL_INTERVAL)
29 
30 #define AP81_CAL_DATA_ADDR 0x1fff1000
31 
32 static struct gpio_led ap81_leds_gpio[] __initdata = {
33  {
34  .name = "ap81:green:status",
35  .gpio = AP81_GPIO_LED_STATUS,
36  .active_low = 1,
37  }, {
38  .name = "ap81:amber:aoss",
39  .gpio = AP81_GPIO_LED_AOSS,
40  .active_low = 1,
41  }, {
42  .name = "ap81:green:wlan",
43  .gpio = AP81_GPIO_LED_WLAN,
44  .active_low = 1,
45  }, {
46  .name = "ap81:green:power",
47  .gpio = AP81_GPIO_LED_POWER,
48  .active_low = 1,
49  }
50 };
51 
52 static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
53  {
54  .desc = "sw1",
55  .type = EV_KEY,
56  .code = BTN_0,
57  .debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
58  .gpio = AP81_GPIO_BTN_SW1,
59  .active_low = 1,
60  } , {
61  .desc = "sw4",
62  .type = EV_KEY,
63  .code = BTN_1,
64  .debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
65  .gpio = AP81_GPIO_BTN_SW4,
66  .active_low = 1,
67  }
68 };
69 
70 static struct spi_board_info ap81_spi_info[] = {
71  {
72  .bus_num = 0,
73  .chip_select = 0,
74  .max_speed_hz = 25000000,
75  .modalias = "m25p64",
76  }
77 };
78 
79 static struct ath79_spi_platform_data ap81_spi_data = {
80  .bus_num = 0,
81  .num_chipselect = 1,
82 };
83 
84 static void __init ap81_setup(void)
85 {
86  u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);
87 
88  ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
89  ap81_leds_gpio);
91  ARRAY_SIZE(ap81_gpio_keys),
92  ap81_gpio_keys);
93  ath79_register_spi(&ap81_spi_data, ap81_spi_info,
94  ARRAY_SIZE(ap81_spi_info));
95  ath79_register_wmac(cal_data);
97 }
98 
99 MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
100  ap81_setup);