Commit 7d4686fc authored by Rahul T R's avatar Rahul T R Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: k3-j721e-sk: Enable HDMI 



Add node for dvi bridge and the endpoint nodes to
describe connection from
DSS => TI TFP410 DPI-to-DVI Bridge => HDMI connector.
Also add the required pinmux for HDMI hotplug and
powerdown

Signed-off-by: default avatarRahul T R <r-ravikumar@ti.com>
Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: default avatarAradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20220505090709.9252-3-r-ravikumar@ti.com
parent d4f3c8a1

arch/arm64/boot/dts/ti/k3-j721e-sk.dts

+79 −1
Original line number Diff line number Diff line
@@ -225,6 +225,59 @@ 
			};

		};

	};



	hdmi-connector {

		compatible = "hdmi-connector";

		label = "hdmi";

		type = "a";



		pinctrl-names = "default";

		pinctrl-0 = <&hdmi_hpd_pins_default>;



		ddc-i2c-bus = <&main_i2c1>;



		/* HDMI_HPD */

		hpd-gpios = <&main_gpio1 0 GPIO_ACTIVE_HIGH>;



		port {

			hdmi_connector_in: endpoint {

				remote-endpoint = <&tfp410_out>;

			};

		};

	};



	dvi-bridge {

		compatible = "ti,tfp410";



		pinctrl-names = "default";

		pinctrl-0 = <&hdmi_pdn_pins_default>;



		powerdown-gpios = <&main_gpio0 127 GPIO_ACTIVE_LOW>;

		ti,deskew = <0>;



		ports {

			#address-cells = <1>;

			#size-cells = <0>;



			port@0 {

				reg = <0>;



				tfp410_in: endpoint {

					remote-endpoint = <&dpi1_out>;

					pclk-sample = <1>;

				};

			};



			port@1 {

				reg = <1>;



				tfp410_out: endpoint {

					remote-endpoint =

						<&hdmi_connector_in>;

				};

			};

		};

	};

};



&main_pmx0 {
@@ -329,6 +382,18 @@ 
		>;

	};



	hdmi_hpd_pins_default: hdmi-hpd-pins-default {

		pinctrl-single,pins = <

			J721E_IOPAD(0x204, PIN_INPUT, 7) /* (AD5) UART1_RTSn.GPIO1_0 */

		>;

	};



	hdmi_pdn_pins_default: hdmi-pdn-pins-default {

		pinctrl-single,pins = <

			J721E_IOPAD(0x200, PIN_INPUT, 7) /* (AC4) UART1_CTSn.GPIO0_127 */

		>;

	};



	/* Reset for M.2 E Key slot on PCIe0  */

	ekey_reset_pins_default: ekey-reset-pns-pins-default {

		pinctrl-single,pins = <
@@ -733,11 +798,24 @@ 
};



&dss_ports {

	port {

	#address-cells = <1>;

	#size-cells = <0>;



	port@0  {

		reg = <0>;



		dpi0_out: endpoint {

			remote-endpoint = <&dp0_in>;

		};

	};



	port@1 {

		reg = <1>;



		dpi1_out: endpoint {

			remote-endpoint = <&tfp410_in>;

		};

	};

};



&dp0_ports {