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Commit 786ef2ee authored by Wolfram Sang's avatar Wolfram Sang Committed by Simon Horman
Browse files

ARM: dts: gose: use demuxer for I2C2 



Create a separate bus for HDMI related I2C2 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, corrected board name in subject, fixed aliases, switched
to named GPIOs]
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
parent d4c1ce28

arch/arm/boot/dts/r8a7793-gose.dts

+121 −97
Original line number Original line Diff line number Diff line
@@ -48,6 +48,8 @@ 
	aliases {

	aliases {

		serial0 = &scif0;

		serial0 = &scif0;

		serial1 = &scif1;

		serial1 = &scif1;

		i2c9 = &gpioi2c2;

		i2c11 = &i2chdmi;

	};

	};





	chosen {

	chosen {
@@ -296,6 +298,124 @@ 
		#clock-cells = <0>;

		#clock-cells = <0>;

		clock-frequency = <148500000>;

		clock-frequency = <148500000>;

	};

	};



	gpioi2c2: i2c-9 {

		#address-cells = <1>;

		#size-cells = <0>;

		compatible = "i2c-gpio";

		status = "disabled";

		scl-gpios = <&gpio2 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

		sda-gpios = <&gpio2 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

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

	};



	/*

	 * A fallback to GPIO is provided for I2C2.

	 */

	i2chdmi: i2c-11 {

		compatible = "i2c-demux-pinctrl";

		i2c-parent = <&i2c2>, <&gpioi2c2>;

		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,adv7180cp";

			reg = <0x20>;

			remote = <&vin1>;



			port {

				#address-cells = <1>;

				#size-cells = <0>;



				port@0 {

					reg = <0>;

					adv7180_in: endpoint {

						remote-endpoint = <&composite_con_in>;

					};

				};



				port@3 {

					reg = <3>;

					adv7180_out: endpoint {

						bus-width = <8>;

						remote-endpoint = <&vin1ep>;

					};

				};

			};

		};



		hdmi@39 {

			compatible = "adi,adv7511w";

			reg = <0x39>;

			interrupt-parent = <&gpio3>;

			interrupts = <29 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_rgb>;

					};

				};



				port@1 {

					reg = <1>;

					adv7511_out: endpoint {

						remote-endpoint = <&hdmi_con_out>;

					};

				};

			};

		};



		hdmi-in@4c {

			compatible = "adi,adv7612";

			reg = <0x4c>;

			interrupt-parent = <&gpio4>;

			interrupts = <2 IRQ_TYPE_LEVEL_LOW>;

			default-input = <0>;



			port {

				#address-cells = <1>;

				#size-cells = <0>;



				port@0 {

					reg = <0>;

					adv7612_in: endpoint {

						remote-endpoint = <&hdmi_con_in>;

					};

				};



				port@2 {

					reg = <2>;

					adv7612_out: endpoint {

						remote-endpoint = <&vin0ep2>;

					};

				};

			};

		};



		eeprom@50 {

			compatible = "renesas,r1ex24002", "atmel,24c02";

			reg = <0x50>;

			pagesize = <16>;

		};

	};

};

};





&du {

&du {
@@ -544,107 +664,11 @@ 




&i2c2 {

&i2c2 {

	pinctrl-0 = <&i2c2_pins>;

	pinctrl-0 = <&i2c2_pins>;

	pinctrl-names = "default";

	pinctrl-names = "i2c-hdmi";





	status = "okay";

	status = "okay";

	clock-frequency = <100000>;

	clock-frequency = <100000>;





	ak4643: codec@12 {

		compatible = "asahi-kasei,ak4643";

		#sound-dai-cells = <0>;

		reg = <0x12>;

	};



	composite-in@20 {

		compatible = "adi,adv7180cp";

		reg = <0x20>;

		remote = <&vin1>;



		port {

			#address-cells = <1>;

			#size-cells = <0>;



			port@0 {

				reg = <0>;

				adv7180_in: endpoint {

					remote-endpoint = <&composite_con_in>;

				};

			};



			port@3 {

				reg = <3>;

				adv7180_out: endpoint {

					bus-width = <8>;

					remote-endpoint = <&vin1ep>;

				};

			};

		};

	};



	hdmi@39 {

		compatible = "adi,adv7511w";

		reg = <0x39>;

		interrupt-parent = <&gpio3>;

		interrupts = <29 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_rgb>;

				};

			};



			port@1 {

				reg = <1>;

				adv7511_out: endpoint {

					remote-endpoint = <&hdmi_con_out>;

				};

			};

		};

	};



	hdmi-in@4c {

		compatible = "adi,adv7612";

		reg = <0x4c>;

		interrupt-parent = <&gpio4>;

		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;

		default-input = <0>;



		port {

			#address-cells = <1>;

			#size-cells = <0>;



			port@0 {

				reg = <0>;

				adv7612_in: endpoint {

					remote-endpoint = <&hdmi_con_in>;

				};

			};



			port@2 {

				reg = <2>;

				adv7612_out: endpoint {

					remote-endpoint = <&vin0ep2>;

				};

			};

		};

	};



	eeprom@50 {

		compatible = "renesas,r1ex24002", "atmel,24c02";

		reg = <0x50>;

		pagesize = <16>;

	};

};

};





&i2c6 {

&i2c6 {