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kernel/linux-rt-4.4.41/arch/arm/boot/dts/r7s72100-genmai.dts 1.16 KB
5113f6f70   김현기   kernel add
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  /*
   * Device Tree Source for the Genmai board
   *
   * Copyright (C) 2013-14 Renesas Solutions Corp.
   * Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
   *
   * 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 "r7s72100.dtsi"
  
  / {
  	model = "Genmai";
  	compatible = "renesas,genmai", "renesas,r7s72100";
  
  	aliases {
  		serial2 = &scif2;
  	};
  
  	chosen {
  		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  		stdout-path = &scif2;
  	};
  
  	memory {
  		device_type = "memory";
  		reg = <0x08000000 0x08000000>;
  	};
  
  	lbsc {
  		#address-cells = <1>;
  		#size-cells = <1>;
  	};
  };
  
  &extal_clk {
  	clock-frequency = <13330000>;
  };
  
  &usb_x1_clk {
  	clock-frequency = <48000000>;
  };
  
  &mtu2 {
  	status = "okay";
  };
  
  &i2c2 {
  	status = "okay";
  	clock-frequency = <400000>;
  
  	eeprom@50 {
  		compatible = "renesas,24c128";
  		reg = <0x50>;
  		pagesize = <64>;
  	};
  };
  
  &scif2 {
  	status = "okay";
  };
  
  &spi4 {
  	status = "okay";
  
  	codec: codec@0 {
  		compatible = "wlf,wm8978";
  		reg = <0>;
  		spi-max-frequency = <5000000>;
  	};
  };