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kernel/linux-imx6_3.14.28/arch/mips/ath79/mach-ap81.c 2.34 KB
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  /*
   *  Atheros AP81 board support
   *
   *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
   *  Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
   *
   *  This program is free software; you can redistribute it and/or modify it
   *  under the terms of the GNU General Public License version 2 as published
   *  by the Free Software Foundation.
   */
  
  #include "machtypes.h"
  #include "dev-wmac.h"
  #include "dev-gpio-buttons.h"
  #include "dev-leds-gpio.h"
  #include "dev-spi.h"
  #include "dev-usb.h"
  
  #define AP81_GPIO_LED_STATUS	1
  #define AP81_GPIO_LED_AOSS	3
  #define AP81_GPIO_LED_WLAN	6
  #define AP81_GPIO_LED_POWER	14
  
  #define AP81_GPIO_BTN_SW4	12
  #define AP81_GPIO_BTN_SW1	21
  
  #define AP81_KEYS_POLL_INTERVAL		20	/* msecs */
  #define AP81_KEYS_DEBOUNCE_INTERVAL	(3 * AP81_KEYS_POLL_INTERVAL)
  
  #define AP81_CAL_DATA_ADDR	0x1fff1000
  
  static struct gpio_led ap81_leds_gpio[] __initdata = {
  	{
  		.name		= "ap81:green:status",
  		.gpio		= AP81_GPIO_LED_STATUS,
  		.active_low	= 1,
  	}, {
  		.name		= "ap81:amber:aoss",
  		.gpio		= AP81_GPIO_LED_AOSS,
  		.active_low	= 1,
  	}, {
  		.name		= "ap81:green:wlan",
  		.gpio		= AP81_GPIO_LED_WLAN,
  		.active_low	= 1,
  	}, {
  		.name		= "ap81:green:power",
  		.gpio		= AP81_GPIO_LED_POWER,
  		.active_low	= 1,
  	}
  };
  
  static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
  	{
  		.desc		= "sw1",
  		.type		= EV_KEY,
  		.code		= BTN_0,
  		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
  		.gpio		= AP81_GPIO_BTN_SW1,
  		.active_low	= 1,
  	} , {
  		.desc		= "sw4",
  		.type		= EV_KEY,
  		.code		= BTN_1,
  		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
  		.gpio		= AP81_GPIO_BTN_SW4,
  		.active_low	= 1,
  	}
  };
  
  static struct spi_board_info ap81_spi_info[] = {
  	{
  		.bus_num	= 0,
  		.chip_select	= 0,
  		.max_speed_hz	= 25000000,
  		.modalias	= "m25p64",
  	}
  };
  
  static struct ath79_spi_platform_data ap81_spi_data = {
  	.bus_num	= 0,
  	.num_chipselect = 1,
  };
  
  static void __init ap81_setup(void)
  {
  	u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);
  
  	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
  				 ap81_leds_gpio);
  	ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
  					ARRAY_SIZE(ap81_gpio_keys),
  					ap81_gpio_keys);
  	ath79_register_spi(&ap81_spi_data, ap81_spi_info,
  			   ARRAY_SIZE(ap81_spi_info));
  	ath79_register_wmac(cal_data);
  	ath79_register_usb();
  }
  
  MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
  	     ap81_setup);