arch/mips/ath79/mach-ap81.c

   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-gpio-buttons.h"
  14 #include "dev-leds-gpio.h"
  15 #include "dev-spi.h"
  16
  17 #define AP81_GPIO_LED_STATUS    1
  18 #define AP81_GPIO_LED_AOSS      3
  19 #define AP81_GPIO_LED_WLAN      6
  20 #define AP81_GPIO_LED_POWER     14
  21
  22 #define AP81_GPIO_BTN_SW4       12
  23 #define AP81_GPIO_BTN_SW1       21
  24
  25 #define AP81_KEYS_POLL_INTERVAL         20      /* msecs */
  26 #define AP81_KEYS_DEBOUNCE_INTERVAL     (3 * AP81_KEYS_POLL_INTERVAL)
  27
  28 static struct gpio_led ap81_leds_gpio[] __initdata = {
  29         {
  30                 .name           = "ap81:green:status",
  31                 .gpio           = AP81_GPIO_LED_STATUS,
  32                 .active_low     = 1,
  33         }, {
  34                 .name           = "ap81:amber:aoss",
  35                 .gpio           = AP81_GPIO_LED_AOSS,
  36                 .active_low     = 1,
  37         }, {
  38                 .name           = "ap81:green:wlan",
  39                 .gpio           = AP81_GPIO_LED_WLAN,
  40                 .active_low     = 1,
  41         }, {
  42                 .name           = "ap81:green:power",
  43                 .gpio           = AP81_GPIO_LED_POWER,
  44                 .active_low     = 1,
  45         }
  46 };
  47
  48 static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
  49         {
  50                 .desc           = "sw1",
  51                 .type           = EV_KEY,
  52                 .code           = BTN_0,
  53                 .debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
  54                 .gpio           = AP81_GPIO_BTN_SW1,
  55                 .active_low     = 1,
  56         } , {
  57                 .desc           = "sw4",
  58                 .type           = EV_KEY,
  59                 .code           = BTN_1,
  60                 .debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
  61                 .gpio           = AP81_GPIO_BTN_SW4,
  62                 .active_low     = 1,
  63         }
  64 };
  65
  66 static struct spi_board_info ap81_spi_info[] = {
  67         {
  68                 .bus_num        = 0,
  69                 .chip_select    = 0,
  70                 .max_speed_hz   = 25000000,
  71                 .modalias       = "m25p64",
  72         }
  73 };
  74
  75 static struct ath79_spi_platform_data ap81_spi_data = {
  76         .bus_num        = 0,
  77         .num_chipselect = 1,
  78 };
  79
  80 static void __init ap81_setup(void)
  81 {
  82         ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
  83                                  ap81_leds_gpio);
  84         ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
  85                                         ARRAY_SIZE(ap81_gpio_keys),
  86                                         ap81_gpio_keys);
  87         ath79_register_spi(&ap81_spi_data, ap81_spi_info,
  88                            ARRAY_SIZE(ap81_spi_info));
  89 }
  90
  91 MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
  92              ap81_setup);