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-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);
  90         ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
  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);
  96         ath79_register_usb();
  97 }
  98
  99 MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
 100              ap81_setup);