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Commit d4c1ce28 authored by Wolfram Sang's avatar Wolfram Sang Committed by Simon Horman
Browse files

ARM: dts: silk: use demuxer for I2C1 



Create a separate bus for HDMI related I2C1 and provide fallback to GPIO.

Based on work for the r8a7790/lager by Wolfram Sang.

Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
[wsa: rebased, fixed aliases, switched to named GPIOs]
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
parent 61866d7f

arch/arm/boot/dts/r8a7794-silk.dts

+75 −53
Original line number Original line Diff line number Diff line
@@ -31,6 +31,8 @@ 




	aliases {

	aliases {

		serial0 = &scif2;

		serial0 = &scif2;

		i2c9 = &gpioi2c1;

		i2c10 = &i2chdmi;

	};

	};





	chosen {

	chosen {
@@ -153,6 +155,78 @@ 
			clocks = <&x9_clk>;

			clocks = <&x9_clk>;

		};

		};

	};

	};



	gpioi2c1: i2c-9 {

		#address-cells = <1>;

		#size-cells = <0>;

		compatible = "i2c-gpio";

		status = "disabled";

		scl-gpios = <&gpio4 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

		sda-gpios = <&gpio4 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

		i2c-gpio,delay-us = <5>;

	};



	/*

	 * A fallback to GPIO is provided for I2C1.

	 */

	i2chdmi: i2c-10 {

		compatible = "i2c-demux-pinctrl";

		i2c-parent = <&i2c1>, <&gpioi2c1>;

		i2c-bus-name = "i2c-hdmi";

		#address-cells = <1>;

		#size-cells = <0>;



		ak4643: codec@12 {

			compatible = "asahi-kasei,ak4643";

			#sound-dai-cells = <0>;

			reg = <0x12>;

		};



		composite-in@20 {

			compatible = "adi,adv7180";

			reg = <0x20>;

			remote = <&vin0>;



			port {

				adv7180: endpoint {

					bus-width = <8>;

					remote-endpoint = <&vin0ep>;

				};

			};

		};



		hdmi@39 {

			compatible = "adi,adv7511w";

			reg = <0x39>;

			interrupt-parent = <&gpio5>;

			interrupts = <23 IRQ_TYPE_LEVEL_LOW>;



			adi,input-depth = <8>;

			adi,input-colorspace = "rgb";

			adi,input-clock = "1x";

			adi,input-style = <1>;

			adi,input-justification = "evenly";



			ports {

				#address-cells = <1>;

				#size-cells = <0>;



				port@0 {

					reg = <0>;

					adv7511_in: endpoint {

						remote-endpoint = <&du_out_rgb0>;

					};

				};



				port@1 {

					reg = <1>;

					adv7511_out: endpoint {

						remote-endpoint = <&hdmi_con>;

					};

				};

			};

		};

	};

};

};





&extal_clk {

&extal_clk {
@@ -268,61 +342,9 @@ 




&i2c1 {

&i2c1 {

	pinctrl-0 = <&i2c1_pins>;

	pinctrl-0 = <&i2c1_pins>;

	pinctrl-names = "default";

	pinctrl-names = "i2c-hdmi";





	status = "okay";

	clock-frequency = <400000>;

	clock-frequency = <400000>;



	ak4643: codec@12 {

		compatible = "asahi-kasei,ak4643";

		#sound-dai-cells = <0>;

		reg = <0x12>;

	};



	composite-in@20 {

		compatible = "adi,adv7180";

		reg = <0x20>;

		remote = <&vin0>;



		port {

			adv7180: endpoint {

				bus-width = <8>;

				remote-endpoint = <&vin0ep>;

			};

		};

	};



	hdmi@39 {

		compatible = "adi,adv7511w";

		reg = <0x39>;

		interrupt-parent = <&gpio5>;

		interrupts = <23 IRQ_TYPE_LEVEL_LOW>;



		adi,input-depth = <8>;

		adi,input-colorspace = "rgb";

		adi,input-clock = "1x";

		adi,input-style = <1>;

		adi,input-justification = "evenly";



		ports {

			#address-cells = <1>;

			#size-cells = <0>;



			port@0 {

				reg = <0>;

				adv7511_in: endpoint {

					remote-endpoint = <&du_out_rgb0>;

				};

			};



			port@1 {

				reg = <1>;

				adv7511_out: endpoint {

					remote-endpoint = <&hdmi_con>;

				};

			};

		};

	};

};

};





&mmcif0 {

&mmcif0 {