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kernel/linux-rt-4.4.41/arch/arm/boot/dts/emev2-kzm9d.dts 2.4 KB
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  /*
   * Device Tree Source for the KZM9D board
   *
   * Copyright (C) 2013 Renesas Solutions Corp.
   *
   * This file is licensed under the terms of the GNU General Public License
   * version 2.  This program is licensed "as is" without any warranty of any
   * kind, whether express or implied.
   */
  /dts-v1/;
  
  #include "emev2.dtsi"
  #include <dt-bindings/gpio/gpio.h>
  #include <dt-bindings/input/input.h>
  #include <dt-bindings/interrupt-controller/irq.h>
  
  / {
  	model = "EMEV2 KZM9D Board";
  	compatible = "renesas,kzm9d", "renesas,emev2";
  
  	memory {
  		device_type = "memory";
  		reg = <0x40000000 0x8000000>;
  	};
  
  	chosen {
  		bootargs = "console=ttyS1,115200n81 ignore_loglevel root=/dev/nfs ip=dhcp";
  		stdout-path = &uart1;
  	};
  
  	gpio_keys {
  		compatible = "gpio-keys";
  		#address-cells = <1>;
  		#size-cells = <0>;
  
  		button@1 {
  			debounce_interval = <50>;
  			wakeup-source;
  			label = "DSW2-1";
  			linux,code = <KEY_1>;
  			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
  		};
  		button@2 {
  			debounce_interval = <50>;
  			wakeup-source;
  			label = "DSW2-2";
  			linux,code = <KEY_2>;
  			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
  		};
  		button@3 {
  			debounce_interval = <50>;
  			wakeup-source;
  			label = "DSW2-3";
  			linux,code = <KEY_3>;
  			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
  		};
  		button@4 {
  			debounce_interval = <50>;
  			wakeup-source;
  			label = "DSW2-4";
  			linux,code = <KEY_4>;
  			gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
  		};
  	};
  
  	reg_1p8v: regulator@0 {
  		compatible = "regulator-fixed";
  		regulator-name = "fixed-1.8V";
  		regulator-min-microvolt = <1800000>;
  		regulator-max-microvolt = <1800000>;
  		regulator-always-on;
  		regulator-boot-on;
  	};
  
  	reg_3p3v: regulator@1 {
  		compatible = "regulator-fixed";
  		regulator-name = "fixed-3.3V";
  		regulator-min-microvolt = <3300000>;
  		regulator-max-microvolt = <3300000>;
  		regulator-always-on;
  		regulator-boot-on;
  	};
  
  	ethernet@20000000 {
  		compatible = "smsc,lan9220", "smsc,lan9115";
  		reg = <0x20000000 0x10000>;
  		phy-mode = "mii";
  		interrupt-parent = <&gpio0>;
  		interrupts = <1 IRQ_TYPE_EDGE_RISING>;
  		reg-io-width = <4>;
  		smsc,irq-active-high;
  		smsc,irq-push-pull;
  		vddvario-supply = <&reg_1p8v>;
  		vdd33a-supply = <&reg_3p3v>;
  	};
  };
  
  &iic0 {
  	status = "okay";
  };
  
  &iic1 {
  	status = "okay";
  };
  
  &pfc {
  	uart1_pins: serial@e1030000 {
  		renesas,groups = "uart1_ctrl", "uart1_data";
  		renesas,function = "uart1";
  	};
  };
  
  &uart1 {
  	pinctrl-0 = <&uart1_pins>;
  	pinctrl-names = "default";
  	status = "okay";
  };