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kernel/linux-rt-4.4.41/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts 2.41 KB
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  /*
   * Broadcom BCM470X / BCM5301X ARM platform code.
   * DTS for Buffalo WZR-600DHP2
   *
   * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
   *
   * Licensed under the GNU/GPL. See COPYING for details.
   */
  
  /dts-v1/;
  
  #include "bcm47081.dtsi"
  #include "bcm5301x-nand-cs0-bch8.dtsi"
  
  / {
  	compatible = "buffalo,wzr-600dhp2", "brcm,bcm47081", "brcm,bcm4708";
  	model = "Buffalo WZR-600DHP2 (BCM47081)";
  
  	chosen {
  		bootargs = "console=ttyS0,115200";
  	};
  
  	memory {
  		reg = <0x00000000 0x08000000>;
  	};
  
  	spi {
  		compatible = "spi-gpio";
  		num-chipselects = <1>;
  		gpio-sck = <&chipcommon 7 0>;
  		gpio-mosi = <&chipcommon 4 0>;
  		cs-gpios = <&chipcommon 6 0>;
  		#address-cells = <1>;
  		#size-cells = <0>;
  
  		hc595: gpio_spi@0 {
  			compatible = "fairchild,74hc595";
  			reg = <0>;
  			registers-number = <1>;
  			spi-max-frequency = <100000>;
  
  			gpio-controller;
  			#gpio-cells = <2>;
  
  		};
  	};
  
  	leds {
  		compatible = "gpio-leds";
  
  		power0 {
  			label = "bcm53xx:green:power";
  			gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
  			linux,default-trigger = "default-on";
  		};
  
  		power1 {
  			label = "bcm53xx:red:power";
  			gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
  			linux,default-trigger = "default-off";
  		};
  
  		router0 {
  			label = "bcm53xx:green:router";
  			gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
  			linux,default-trigger = "default-on";
  		};
  
  		router1 {
  			label = "bcm53xx:amber:router";
  			gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
  			linux,default-trigger = "default-off";
  		};
  
  		wan {
  			label = "bcm53xx:green:wan";
  			gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
  			linux,default-trigger = "default-on";
  		};
  
  		wireless0 {
  			label = "bcm53xx:green:wireless";
  			gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
  			linux,default-trigger = "default-off";
  		};
  
  		wireless1 {
  			label = "bcm53xx:amber:wireless";
  			gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
  			linux,default-trigger = "default-off";
  		};
  	};
  
  	gpio-keys {
  		compatible = "gpio-keys";
  		#address-cells = <1>;
  		#size-cells = <0>;
  
  		aoss {
  			label = "AOSS";
  			linux,code = <KEY_WPS_BUTTON>;
  			gpios = <&chipcommon 9 GPIO_ACTIVE_LOW>;
  		};
  
  		restart {
  			label = "Reset";
  			linux,code = <KEY_RESTART>;
  			gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
  		};
  
  		/* Switch device mode? */
  		mode {
  			label = "Mode";
  			linux,code = <KEY_SETUP>;
  			gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
  		};
  
  		eject {
  			label = "USB eject";
  			linux,code = <KEY_EJECTCD>;
  			gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
  		};
  	};
  };
  
  &uart0 {
  	status = "okay";
  };