arch/mips/ath79/mach-ap81.c

   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-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
  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);