Linux Kernel  3.7.1
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mach-ap121.c
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1 /*
2  * Atheros AP121 board support
3  *
4  * Copyright (C) 2011 Gabor Juhos <[email protected]>
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 "machtypes.h"
12 #include "dev-gpio-buttons.h"
13 #include "dev-leds-gpio.h"
14 #include "dev-spi.h"
15 #include "dev-usb.h"
16 #include "dev-wmac.h"
17 
18 #define AP121_GPIO_LED_WLAN 0
19 #define AP121_GPIO_LED_USB 1
20 
21 #define AP121_GPIO_BTN_JUMPSTART 11
22 #define AP121_GPIO_BTN_RESET 12
23 
24 #define AP121_KEYS_POLL_INTERVAL 20 /* msecs */
25 #define AP121_KEYS_DEBOUNCE_INTERVAL (3 * AP121_KEYS_POLL_INTERVAL)
26 
27 #define AP121_CAL_DATA_ADDR 0x1fff1000
28 
29 static struct gpio_led ap121_leds_gpio[] __initdata = {
30  {
31  .name = "ap121:green:usb",
32  .gpio = AP121_GPIO_LED_USB,
33  .active_low = 0,
34  },
35  {
36  .name = "ap121:green:wlan",
37  .gpio = AP121_GPIO_LED_WLAN,
38  .active_low = 0,
39  },
40 };
41 
42 static struct gpio_keys_button ap121_gpio_keys[] __initdata = {
43  {
44  .desc = "jumpstart button",
45  .type = EV_KEY,
46  .code = KEY_WPS_BUTTON,
47  .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
49  .active_low = 1,
50  },
51  {
52  .desc = "reset button",
53  .type = EV_KEY,
54  .code = KEY_RESTART,
55  .debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
56  .gpio = AP121_GPIO_BTN_RESET,
57  .active_low = 1,
58  }
59 };
60 
61 static struct spi_board_info ap121_spi_info[] = {
62  {
63  .bus_num = 0,
64  .chip_select = 0,
65  .max_speed_hz = 25000000,
66  .modalias = "mx25l1606e",
67  }
68 };
69 
70 static struct ath79_spi_platform_data ap121_spi_data = {
71  .bus_num = 0,
72  .num_chipselect = 1,
73 };
74 
75 static void __init ap121_setup(void)
76 {
77  u8 *cal_data = (u8 *) KSEG1ADDR(AP121_CAL_DATA_ADDR);
78 
79  ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121_leds_gpio),
80  ap121_leds_gpio);
82  ARRAY_SIZE(ap121_gpio_keys),
83  ap121_gpio_keys);
84 
85  ath79_register_spi(&ap121_spi_data, ap121_spi_info,
86  ARRAY_SIZE(ap121_spi_info));
88  ath79_register_wmac(cal_data);
89 }
90 
91 MIPS_MACHINE(ATH79_MACH_AP121, "AP121", "Atheros AP121 reference board",
92  ap121_setup);