arch/mips/ath79/mach-ap121.c

   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,
  48                 .gpio           = AP121_GPIO_BTN_JUMPSTART,
  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);
  81         ath79_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
  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));
  87         ath79_register_usb();
  88         ath79_register_wmac(cal_data);
  89 }
  90
  91 MIPS_MACHINE(ATH79_MACH_AP121, "AP121", "Atheros AP121 reference board",
  92              ap121_setup);