u-boot/arch/arm/dts/am335x-boneblack-hdmi.dtsi

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
 */

#include <dt-bindings/display/tda998x.h>
#include <dt-bindings/interrupt-controller/irq.h>

&am33xx_pinmux {
	nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};

	nxp_hdmi_bonelt_off_pins: nxp_hdmi_bonelt_off_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3)
		>;
	};

	mcasp0_pins: mcasp0_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLUP, MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */
			AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/
			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_a11.GPIO1_27 */
		>;
	};
};

&lcdc {
	status = "okay";

	/* If you want to get 24 bit RGB and 16 BGR mode instead of
	 * current 16 bit RGB and 24 BGR modes, set the propety
	 * below to "crossed" and uncomment the video-ports -property
	 * in tda19988 node.
	 */
	blue-and-red-wiring = "straight";

	port {
		lcdc_0: endpoint@0 {
			remote-endpoint = <&hdmi_0>;
		};
	};
};

&i2c0 {
	tda19988: tda19988@70 {
		compatible = "nxp,tda998x";
		reg = <0x70>;
		nxp,calib-gpios = <&gpio1 25 0>;
		interrupts-extended = <&gpio1 25 IRQ_TYPE_LEVEL_LOW>;

		pinctrl-names = "default", "off";
		pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
		pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;

		/* Convert 24bit BGR to RGB, e.g. cross red and blue wiring */
		/* video-ports = <0x234501>; */

		#sound-dai-cells = <0>;
		audio-ports = <	TDA998x_I2S	0x03>;

		ports {
			port@0 {
				hdmi_0: endpoint@0 {
					remote-endpoint = <&lcdc_0>;
				};
			};
		};
	};
};

&mcasp0	{
	#sound-dai-cells = <0>;
	pinctrl-names = "default";
	pinctrl-0 = <&mcasp0_pins>;
	status = "okay";
	op-mode = <0>;	/* MCASP_IIS_MODE */
	tdm-slots = <2>;
	serial-dir = <	/* 0: INACTIVE, 1: TX, 2: RX */
			0 0 1 0
		>;
	tx-num-evt = <32>;
	rx-num-evt = <32>;
};

/ {
	clk_mcasp0_fixed: clk_mcasp0_fixed {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <24576000>;
	};

	clk_mcasp0: clk_mcasp0 {
		#clock-cells = <0>;
		compatible = "gpio-gate-clock";
		clocks = <&clk_mcasp0_fixed>;
		enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "TI BeagleBone Black";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&dailink0_master>;
		simple-audio-card,frame-master = <&dailink0_master>;

		dailink0_master: simple-audio-card,cpu {
			sound-dai = <&mcasp0>;
			clocks = <&clk_mcasp0>;
		};

		simple-audio-card,codec {
			sound-dai = <&tda19988>;
		};
	};
};