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      1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
      2 /*
      3  * Infotainment Expansion Board for j721e-evm
      4  * User Guide: <https://www.ti.com/lit/ug/spruit0a/spruit0a.pdf>
      5  *
      6  * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
      7  */
      8 
      9 /dts-v1/;
     10 /plugin/;
     11 
     12 #include <dt-bindings/gpio/gpio.h>
     13 #include <dt-bindings/interrupt-controller/irq.h>
     14 
     15 #include "k3-pinctrl.h"
     16 
     17 &{/} {
     18 	hdmi-connector {
     19 		compatible = "hdmi-connector";
     20 		label = "hdmi";
     21 		type = "a";
     22 		ddc-i2c-bus = <&main_i2c1>;
     23 		digital;
     24 		/* P12 - HDMI_HPD */
     25 		hpd-gpios = <&exp6 10 GPIO_ACTIVE_HIGH>;
     26 
     27 		port {
     28 			hdmi_connector_in: endpoint {
     29 				remote-endpoint = <&tfp410_out>;
     30 			};
     31 		};
     32 	};
     33 
     34 	dvi-bridge {
     35 		#address-cells = <1>;
     36 		#size-cells = <0>;
     37 		compatible = "ti,tfp410";
     38 		/* P10 - HDMI_PDn */
     39 		powerdown-gpios = <&exp6 8 GPIO_ACTIVE_LOW>;
     40 
     41 		port@0 {
     42 			reg = <0>;
     43 
     44 			tfp410_in: endpoint {
     45 				remote-endpoint = <&dpi_out0>;
     46 				pclk-sample = <1>;
     47 			};
     48 		};
     49 
     50 		port@1 {
     51 			reg = <1>;
     52 
     53 			tfp410_out: endpoint {
     54 				remote-endpoint =
     55 					<&hdmi_connector_in>;
     56 			};
     57 		};
     58 	};
     59 };
     60 
     61 &main_pmx0 {
     62 	main_i2c1_exp6_pins_default: main-i2c1-exp6-default-pins {
     63 		pinctrl-single,pins = <
     64 			J721E_IOPAD(0x264, PIN_INPUT, 7) /* (T29) MMC2_DAT2.GPIO1_24 */
     65 		>;
     66 	};
     67 
     68 	dss_vout0_pins_default: dss-vout0-default-pins {
     69 		pinctrl-single,pins = <
     70 			J721E_IOPAD(0x58, PIN_OUTPUT, 10) /* (AE22) PRG1_PRU1_GPO0.VOUT0_DATA0 */
     71 			J721E_IOPAD(0x5c, PIN_OUTPUT, 10) /* (AG23) PRG1_PRU1_GPO1.VOUT0_DATA1 */
     72 			J721E_IOPAD(0x60, PIN_OUTPUT, 10) /* (AF23) PRG1_PRU1_GPO2.VOUT0_DATA2 */
     73 			J721E_IOPAD(0x64, PIN_OUTPUT, 10) /* (AD23) PRG1_PRU1_GPO3.VOUT0_DATA3 */
     74 			J721E_IOPAD(0x68, PIN_OUTPUT, 10) /* (AH24) PRG1_PRU1_GPO4.VOUT0_DATA4 */
     75 			J721E_IOPAD(0x6c, PIN_OUTPUT, 10) /* (AG21) PRG1_PRU1_GPO5.VOUT0_DATA5 */
     76 			J721E_IOPAD(0x70, PIN_OUTPUT, 10) /* (AE23) PRG1_PRU1_GPO6.VOUT0_DATA6 */
     77 			J721E_IOPAD(0x74, PIN_OUTPUT, 10) /* (AC21) PRG1_PRU1_GPO7.VOUT0_DATA7 */
     78 			J721E_IOPAD(0x78, PIN_OUTPUT, 10) /* (Y23)  PRG1_PRU1_GPO8.VOUT0_DATA8 */
     79 			J721E_IOPAD(0x7c, PIN_OUTPUT, 10) /* (AF21) PRG1_PRU1_GPO9.VOUT0_DATA9 */
     80 			J721E_IOPAD(0x80, PIN_OUTPUT, 10) /* (AB23) PRG1_PRU1_GPO10.VOUT0_DATA10 */
     81 			J721E_IOPAD(0x84, PIN_OUTPUT, 10) /* (AJ25) PRG1_PRU1_GPO11.VOUT0_DATA11 */
     82 			J721E_IOPAD(0x88, PIN_OUTPUT, 10) /* (AH25) PRG1_PRU1_GPO12.VOUT0_DATA12 */
     83 			J721E_IOPAD(0x8c, PIN_OUTPUT, 10) /* (AG25) PRG1_PRU1_GPO13.VOUT0_DATA13 */
     84 			J721E_IOPAD(0x90, PIN_OUTPUT, 10) /* (AH26) PRG1_PRU1_GPO14.VOUT0_DATA14 */
     85 			J721E_IOPAD(0x94, PIN_OUTPUT, 10) /* (AJ27) PRG1_PRU1_GPO15.VOUT0_DATA15 */
     86 			J721E_IOPAD(0x30, PIN_OUTPUT, 10) /* (AF24) PRG1_PRU0_GPO11.VOUT0_DATA16 */
     87 			J721E_IOPAD(0x34, PIN_OUTPUT, 10) /* (AJ24) PRG1_PRU0_GPO12.VOUT0_DATA17 */
     88 			J721E_IOPAD(0x38, PIN_OUTPUT, 10) /* (AG24) PRG1_PRU0_GPO13.VOUT0_DATA18 */
     89 			J721E_IOPAD(0x3c, PIN_OUTPUT, 10) /* (AD24) PRG1_PRU0_GPO14.VOUT0_DATA19 */
     90 			J721E_IOPAD(0x40, PIN_OUTPUT, 10) /* (AC24) PRG1_PRU0_GPO15.VOUT0_DATA20 */
     91 			J721E_IOPAD(0x44, PIN_OUTPUT, 10) /* (AE24) PRG1_PRU0_GPO16.VOUT0_DATA21 */
     92 			J721E_IOPAD(0x24, PIN_OUTPUT, 10) /* (AJ20) PRG1_PRU0_GPO8.VOUT0_DATA22 */
     93 			J721E_IOPAD(0x28, PIN_OUTPUT, 10) /* (AG20) PRG1_PRU0_GPO9.VOUT0_DATA23 */
     94 			J721E_IOPAD(0x9c, PIN_OUTPUT, 10) /* (AC22) PRG1_PRU1_GPO17.VOUT0_DE */
     95 			J721E_IOPAD(0x98, PIN_OUTPUT, 10) /* (AJ26) PRG1_PRU1_GPO16.VOUT0_HSYNC */
     96 			J721E_IOPAD(0xa4, PIN_OUTPUT, 10) /* (AH22) PRG1_PRU1_GPO19.VOUT0_PCLK */
     97 			J721E_IOPAD(0xa0, PIN_OUTPUT, 10) /* (AJ22) PRG1_PRU1_GPO18.VOUT0_VSYNC */
     98 		>;
     99 	};
    100 };
    101 
    102 &exp1 {
    103 	p14-hog {
    104 		/* P14 - VINOUT_MUX_SEL0 */
    105 		gpio-hog;
    106 		gpios = <12 GPIO_ACTIVE_HIGH>;
    107 		output-low;
    108 		line-name = "VINOUT_MUX_SEL0";
    109 	};
    110 
    111 	p15-hog {
    112 		/* P15 - VINOUT_MUX_SEL1 */
    113 		gpio-hog;
    114 		gpios = <13 GPIO_ACTIVE_HIGH>;
    115 		output-high;
    116 		line-name = "VINOUT_MUX_SEL1";
    117 	};
    118 };
    119 
    120 &main_i2c1 {
    121 	/* i2c1 is used for DVI DDC, so we need to use 100kHz */
    122 	clock-frequency = <100000>;
    123 	#address-cells = <1>;
    124 	#size-cells = <0>;
    125 
    126 	exp6: gpio@21 {
    127 		compatible = "ti,tca6416";
    128 		reg = <0x21>;
    129 		gpio-controller;
    130 		#gpio-cells = <2>;
    131 		pinctrl-names = "default";
    132 		pinctrl-0 = <&main_i2c1_exp6_pins_default>;
    133 		interrupt-parent = <&main_gpio1>;
    134 		interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
    135 		interrupt-controller;
    136 		#interrupt-cells = <2>;
    137 
    138 		p11-hog {
    139 			/* P11 - HDMI_DDC_OE */
    140 			gpio-hog;
    141 			gpios = <9 GPIO_ACTIVE_HIGH>;
    142 			output-high;
    143 			line-name = "HDMI_DDC_OE";
    144 		};
    145 	};
    146 };
    147 
    148 &dss {
    149 	pinctrl-names = "default";
    150 	pinctrl-0 = <&dss_vout0_pins_default>;
    151 };
    152 
    153 &dss_ports {
    154 	#address-cells = <1>;
    155 	#size-cells = <0>;
    156 
    157 	port@1 {
    158 		reg = <1>;
    159 
    160 		dpi_out0: endpoint {
    161 			remote-endpoint = <&tfp410_in>;
    162 		};
    163 	};
    164 };
    165