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kernel/linux-rt-4.4.41/arch/arm/boot/dts/am437x-gp-evm-hdmi.dts 1.88 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
   *
   * 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.
   */
  
  /* AM437x GP EVM with HDMI output */
  
  #include "am437x-gp-evm.dts"
  #include <dt-bindings/sound/sii9022-audio.h>
  
  / {
  	aliases {
  		display0 = &hdmi;
  	};
  
  	hdmi: connector {
  		compatible = "hdmi-connector";
  		label = "hdmi";
  
  		type = "b";
  
  		port {
  			hdmi_connector_in: endpoint {
  				remote-endpoint = <&sii9022_out>;
  			};
  		};
  	};
  
  	sound@1 {
  		compatible = "simple-audio-card";
  		simple-audio-card,name = "HDMI";
  		simple-audio-card,format = "i2s";
  		simple-audio-card,bitclock-master = <&hdmi_dailink_master>;
  		simple-audio-card,frame-master = <&hdmi_dailink_master>;
  		hdmi_dailink_master: simple-audio-card,cpu {
  			sound-dai = <&mcasp1>;
  			system-clock-frequency = <24000000>;
  			system-clock-direction = "out";
  		};
  
  		simple-audio-card,codec {
  			sound-dai = <&sii9022>;
  			system-clock-frequency = <12000000>;
  		};
  	};
  };
  
  &lcd_bl {
  	status = "disabled";
  };
  
  &sound0 {
  	status = "disabled";
  };
  
  &i2c1 {
  	sii9022: sii9022@3b {
  		#sound-dai-cells = <0>;
  		compatible = "sil,sii9022";
  		reg = <0x3b>;
  
  		interrupt-parent = <&gpio3>;
  		interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
  
  		i2s-fifo-routing = <
  			(ENABLE_BIT|CONNECT_SD0)
  			0
  			0
  			0
  		>;
  
  		ports {
  			#address-cells = <1>;
  			#size-cells = <0>;
  
  			port@0 {
  				reg = <0>;
  
  				sii9022_in: endpoint {
  					remote-endpoint = <&dpi_out>;
  				};
  			};
  
  			port@1 {
  				reg = <1>;
  
  				sii9022_out: endpoint {
  					remote-endpoint = <&hdmi_connector_in>;
  				};
  			};
  		};
  	};
  };
  
  &dss {
  	port {
  		dpi_out: endpoint@0 {
  			remote-endpoint = <&sii9022_in>;
  			data-lines = <24>;
  		};
  	};
  };
  
  /* Override SelLCDorHDMI from am437x-gp-evm.dts to select HDMI */
  &gpio5 {
  	p8 {
  		output-low;
  	};
  };