Commit dfe5ccf2 authored by Jayesh Choudhary's avatar Jayesh Choudhary Committed by Nishanth Menon
Browse files

arm64: dts: ti: k3-am68-sk-base-board: Add HDMI support 



AM68-SK has an HDMI port. The bridge used is TI-TFP410.
Add support to enable the connection:
DSS => TI TFP410 DPI-to-DVI Bridge => HDMI connector

Signed-off-by: default avatarJayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: default avatarAradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20230803081800.368582-3-j-choudhary@ti.com


Signed-off-by: default avatarNishanth Menon <nm@ti.com>
parent a1f62d11

arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts

+138 −0
Original line number Original line Diff line number Diff line
@@ -122,6 +122,52 @@ transceiver4: can-phy3 { 
		#phy-cells = <0>;

		#phy-cells = <0>;

		max-bitrate = <5000000>;

		max-bitrate = <5000000>;

	};

	};



	connector-hdmi {

		compatible = "hdmi-connector";

		label = "hdmi";

		type = "a";

		pinctrl-names = "default";

		pinctrl-0 = <&hdmi_hpd_pins_default>;

		ddc-i2c-bus = <&mcu_i2c1>;

		/* HDMI_HPD */

		hpd-gpios = <&main_gpio0 0 GPIO_ACTIVE_HIGH>;



		port {

			hdmi_connector_in: endpoint {

				remote-endpoint = <&tfp410_out>;

			};

		};

	};



	bridge-dvi {

		compatible = "ti,tfp410";

		/* HDMI_PDn */

		powerdown-gpios = <&exp2 0 GPIO_ACTIVE_LOW>;

		ti,deskew = <0>;



		ports {

			#address-cells = <1>;

			#size-cells = <0>;



			port@0 {

				reg = <0>;



				tfp410_in: endpoint {

					remote-endpoint = <&dpi_out0>;

					pclk-sample = <1>;

				};

			};



			port@1 {

				reg = <1>;



				tfp410_out: endpoint {

					remote-endpoint = <&hdmi_connector_in>;

				};

			};

		};

	};

};

};





&main_pmx0 {

&main_pmx0 {
@@ -202,6 +248,45 @@ J721S2_IOPAD(0x0cc, PIN_INPUT, 7) /* (AE27) SPI0_CS0.GPIO0_51 */ 
			J721S2_IOPAD(0x08c, PIN_INPUT, 7) /* (T25) MCASP0_AXR7.GPIO0_35 */

			J721S2_IOPAD(0x08c, PIN_INPUT, 7) /* (T25) MCASP0_AXR7.GPIO0_35 */

		>;

		>;

	};

	};



	dss_vout0_pins_default: dss-vout0-default-pins {

		pinctrl-single,pins = <

			J721S2_IOPAD(0x074, PIN_OUTPUT, 2) /* (R28) MCAN2_TX.VOUT0_DATA0 */

			J721S2_IOPAD(0x070, PIN_OUTPUT, 2) /* (R27) MCAN1_RX.VOUT0_DATA1 */

			J721S2_IOPAD(0x04c, PIN_OUTPUT, 2) /* (V27) MCASP1_AXR1.VOUT0_DATA10 */

			J721S2_IOPAD(0x048, PIN_OUTPUT, 2) /* (AB27) MCASP0_AXR2.VOUT0_DATA11 */

			J721S2_IOPAD(0x044, PIN_OUTPUT, 2) /* (Y26) MCASP0_AXR1.VOUT0_DATA12 */

			J721S2_IOPAD(0x040, PIN_OUTPUT, 2) /* (AC28) MCASP0_AXR0.VOUT0_DATA13 */

			J721S2_IOPAD(0x03c, PIN_OUTPUT, 2) /* (U27) MCASP0_AFSX.VOUT0_DATA14 */

			J721S2_IOPAD(0x038, PIN_OUTPUT, 2) /* (AB28) MCASP0_ACLKX.VOUT0_DATA15 */

			J721S2_IOPAD(0x0c8, PIN_OUTPUT, 2) /* (AD28) EXT_REFCLK1.VOUT0_DATA16 */

			J721S2_IOPAD(0x030, PIN_OUTPUT, 2) /* (T26) GPIO0_12.VOUT0_DATA17 */

			J721S2_IOPAD(0x02c, PIN_OUTPUT, 2) /* (V23) GPIO0_11.VOUT0_DATA18 */

			J721S2_IOPAD(0x028, PIN_OUTPUT, 2) /* (AB24) MCAN16_RX.VOUT0_DATA19 */

			J721S2_IOPAD(0x07c, PIN_OUTPUT, 2) /* (T27) MCASP0_AXR3.VOUT0_DATA2 */

			J721S2_IOPAD(0x024, PIN_OUTPUT, 2) /* (Y28) MCAN16_TX.VOUT0_DATA20 */

			J721S2_IOPAD(0x020, PIN_OUTPUT, 2) /* (AA23) MCAN15_RX.VOUT0_DATA21 */

			J721S2_IOPAD(0x01c, PIN_OUTPUT, 2) /* (Y24) MCAN15_TX.VOUT0_DATA22 */

			J721S2_IOPAD(0x018, PIN_OUTPUT, 2) /* (W23) MCAN14_RX.VOUT0_DATA23 */

			J721S2_IOPAD(0x068, PIN_OUTPUT, 2) /* (U28) MCAN0_RX.VOUT0_DATA3 */

			J721S2_IOPAD(0x064, PIN_OUTPUT, 2) /* (W28) MCAN0_TX.VOUT0_DATA4 */

			J721S2_IOPAD(0x060, PIN_OUTPUT, 2) /* (AC27) MCASP2_AXR1.VOUT0_DATA5 */

			J721S2_IOPAD(0x05c, PIN_OUTPUT, 2) /* (AA26) MCASP2_AXR0.VOUT0_DATA6 */

			J721S2_IOPAD(0x058, PIN_OUTPUT, 2) /* (AA27) MCASP2_AFSX.VOUT0_DATA7 */

			J721S2_IOPAD(0x054, PIN_OUTPUT, 2) /* (Y27) MCASP2_ACLKX.VOUT0_DATA8 */

			J721S2_IOPAD(0x050, PIN_OUTPUT, 2) /* (W27) MCASP1_AXR2.VOUT0_DATA9 */

			J721S2_IOPAD(0x084, PIN_OUTPUT, 2) /* (AA28) MCASP0_AXR5.VOUT0_DE */

			J721S2_IOPAD(0x080, PIN_OUTPUT, 2) /* (U26) MCASP0_AXR4.VOUT0_HSYNC */

			J721S2_IOPAD(0x078, PIN_OUTPUT, 2) /* (Y25) MCAN2_RX.VOUT0_PCLK */

			J721S2_IOPAD(0x088, PIN_OUTPUT, 2) /* (AD27) MCASP0_AXR6.VOUT0_VP0_VSYNC */

		>;

	};



	hdmi_hpd_pins_default: hdmi-hpd-default-pins {

		pinctrl-single,pins = <

			J721S2_IOPAD(0x000, PIN_INPUT, 7) /* (AG24) EXTINTN.GPIO0_0  */

		>;

	};

};

};





&wkup_pmx2 {

&wkup_pmx2 {
@@ -373,6 +458,23 @@ &mcu_i2c0 { 
	clock-frequency = <400000>;

	clock-frequency = <400000>;

};

};





&mcu_i2c1 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&mcu_i2c1_pins_default>;

	/* i2c1 is used for DVI DDC, so we need to use 100kHz */

	clock-frequency = <100000>;



	exp2: gpio@20 {

		compatible = "ti,tca6408";

		reg = <0x20>;

		gpio-controller;

		#gpio-cells = <2>;

		gpio-line-names = "HDMI_PDn","HDMI_LS_OE",

				  "DP0_3V3_EN","eDP_ENABLE";

	};

};



&main_sdhci0 {

&main_sdhci0 {

	/* Unused */

	/* Unused */

	status = "disabled";

	status = "disabled";
@@ -433,3 +535,39 @@ &main_mcan7 { 
	pinctrl-0 = <&main_mcan7_pins_default>;

	pinctrl-0 = <&main_mcan7_pins_default>;

	phys = <&transceiver4>;

	phys = <&transceiver4>;

};

};



&dss {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&dss_vout0_pins_default>;

	/*

	 * These clock assignments are chosen to enable the following outputs:

	 *

	 * VP0 - DisplayPort SST

	 * VP1 - DPI0

	 * VP2 - DSI

	 * VP3 - DPI1

	 */

	assigned-clocks = <&k3_clks 158 2>,

			  <&k3_clks 158 5>,

			  <&k3_clks 158 14>,

			  <&k3_clks 158 18>;

	assigned-clock-parents = <&k3_clks 158 3>,

				 <&k3_clks 158 7>,

				 <&k3_clks 158 16>,

				 <&k3_clks 158 22>;

};



&dss_ports {

	#address-cells = <1>;

	#size-cells = <0>;



	/* HDMI */

	port@1 {

		reg = <1>;



		dpi_out0: endpoint {

			remote-endpoint = <&tfp410_in>;

		};

	};

};