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kernel/linux-imx6_3.14.28/arch/mips/ath79/mach-ap121.c 2.14 KB
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  /*
   *  Atheros AP121 board support
   *
   *  Copyright (C) 2011 Gabor Juhos <juhosg@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-gpio-buttons.h"
  #include "dev-leds-gpio.h"
  #include "dev-spi.h"
  #include "dev-usb.h"
  #include "dev-wmac.h"
  
  #define AP121_GPIO_LED_WLAN		0
  #define AP121_GPIO_LED_USB		1
  
  #define AP121_GPIO_BTN_JUMPSTART	11
  #define AP121_GPIO_BTN_RESET		12
  
  #define AP121_KEYS_POLL_INTERVAL	20	/* msecs */
  #define AP121_KEYS_DEBOUNCE_INTERVAL	(3 * AP121_KEYS_POLL_INTERVAL)
  
  #define AP121_CAL_DATA_ADDR	0x1fff1000
  
  static struct gpio_led ap121_leds_gpio[] __initdata = {
  	{
  		.name		= "ap121:green:usb",
  		.gpio		= AP121_GPIO_LED_USB,
  		.active_low	= 0,
  	},
  	{
  		.name		= "ap121:green:wlan",
  		.gpio		= AP121_GPIO_LED_WLAN,
  		.active_low	= 0,
  	},
  };
  
  static struct gpio_keys_button ap121_gpio_keys[] __initdata = {
  	{
  		.desc		= "jumpstart button",
  		.type		= EV_KEY,
  		.code		= KEY_WPS_BUTTON,
  		.debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
  		.gpio		= AP121_GPIO_BTN_JUMPSTART,
  		.active_low	= 1,
  	},
  	{
  		.desc		= "reset button",
  		.type		= EV_KEY,
  		.code		= KEY_RESTART,
  		.debounce_interval = AP121_KEYS_DEBOUNCE_INTERVAL,
  		.gpio		= AP121_GPIO_BTN_RESET,
  		.active_low	= 1,
  	}
  };
  
  static struct spi_board_info ap121_spi_info[] = {
  	{
  		.bus_num	= 0,
  		.chip_select	= 0,
  		.max_speed_hz	= 25000000,
  		.modalias	= "mx25l1606e",
  	}
  };
  
  static struct ath79_spi_platform_data ap121_spi_data = {
  	.bus_num	= 0,
  	.num_chipselect = 1,
  };
  
  static void __init ap121_setup(void)
  {
  	u8 *cal_data = (u8 *) KSEG1ADDR(AP121_CAL_DATA_ADDR);
  
  	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121_leds_gpio),
  				 ap121_leds_gpio);
  	ath79_register_gpio_keys_polled(-1, AP121_KEYS_POLL_INTERVAL,
  					ARRAY_SIZE(ap121_gpio_keys),
  					ap121_gpio_keys);
  
  	ath79_register_spi(&ap121_spi_data, ap121_spi_info,
  			   ARRAY_SIZE(ap121_spi_info));
  	ath79_register_usb();
  	ath79_register_wmac(cal_data);
  }
  
  MIPS_MACHINE(ATH79_MACH_AP121, "AP121", "Atheros AP121 reference board",
  	     ap121_setup);