am335x-bone-hdmi-00a0.dtso

// SPDX-License-Identifier: GPL-2.0-only
/*
 * 2017 Copyright (c) Seeed Technology Inc.  All right reserved.
 * Author: Baozhu Zuo <[email protected]>
 * Copyright (c) Bootlin 2026
 *
 * This device tree overlay is compatible with the BeagleBone Black, Green
 * and their subversions.
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/pinctrl/am33xx.h>
#include <dt-bindings/interrupt-controller/irq.h>

&{/} {
	hdmi0: connector-hdmi {
		compatible = "hdmi-connector";
		label = "hdmi";
		type = "a";
		port {
			hdmi_connector_in: endpoint {
				remote-endpoint = <&it66121_out>;
			};
		};
	};

	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>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "TI BeagleBone Green HDMI cape";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&sound_master>;
		simple-audio-card,frame-master = <&sound_master>;

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

		simple-audio-card,codec {
			sound-dai = <&it66121>;
		};
	};
};

&am33xx_pinmux {
	bb_lcd_pins: pinmux-bb-lcd-pins {
		pinctrl-single,pins = <
			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, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_GPMC_ADVN_ALE, PIN_OUTPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_GPMC_OEN_REN, PIN_OUTPUT_PULLDOWN, MUX_MODE7)
			AM33XX_PADCONF(AM335X_PIN_GPMC_WEN, PIN_INPUT, MUX_MODE7)
		>;
	};
	mcasp0_pins: mcasp0-pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLUP, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
		>;
	};
};

&i2c2 {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;

	it66121: it66121 {
		compatible = "ite,it66121";
		reg = <0x4d>;
		pinctrl-names = "default";
		pinctrl-0 = <&bb_lcd_pins>;

		#sound-dai-cells = <0>;

		interrupt-parent = <&gpio2>;
		interrupts = <4 IRQ_TYPE_EDGE_RISING>;
		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			port@0 {
				reg = <0>;
				it66121_in: endpoint {
					bus-width = <24>;
					remote-endpoint = <&lcdc_0>;
				};
			};

			port@1 {
				reg = <1>;
				it66121_out: endpoint {
					remote-endpoint = <&hdmi_connector_in>;
				};
			};
		};
	};
};

&lcdc {
	status = "okay";
	blue-and-red-wiring = "straight";
	port {
		lcdc_0: endpoint@0 {
			remote-endpoint = <&it66121_in>;
		};
	};
};


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