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linux/arch/arm64/boot/dts/amlogic/meson-g12b-bananapi-cm4-mnt-reform2.dts 

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2023 Neil Armstrong <[email protected]>
 * Copyright 2023 MNT Research GmbH
 */

/dts-v1/;

#include "meson-g12b-bananapi-cm4.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/sound/meson-g12a-tohdmitx.h>

/ {
	model = "MNT Reform 2 with BPI-CM4 Module";
	compatible = "mntre,reform2-cm4", "bananapi,bpi-cm4", "amlogic,a311d", "amlogic,g12b";
	chassis-type = "laptop";

	aliases {
		ethernet0 = &ethmac;
		i2c0 = &i2c1;
		i2c1 = &i2c3;
	};

	hdmi_connector: hdmi-connector {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_connector_in: endpoint {
				remote-endpoint = <&hdmi_tx_tmds_out>;
			};
		};
	};

	leds {
		compatible = "gpio-leds";

		led-blue {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

		led-green {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
		};
	};

	sound {
		compatible = "amlogic,axg-sound-card";
		model = "MNT-REFORM2-BPI-CM4";
		audio-widgets = "Headphone", "Headphone Jack",
				"Speaker", "External Speaker",
				"Microphone", "Mic Jack";
		audio-aux-devs = <&tdmout_a>, <&tdmout_b>, <&tdmin_b>;
		audio-routing =	"TDMOUT_A IN 0", "FRDDR_A OUT 0",
				"TDMOUT_A IN 1", "FRDDR_B OUT 0",
				"TDMOUT_A IN 2", "FRDDR_C OUT 0",
				"TDM_A Playback", "TDMOUT_A OUT",
				"TDMOUT_B IN 0", "FRDDR_A OUT 1",
				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
				"TDM_B Playback", "TDMOUT_B OUT",
				"TDMIN_B IN 1", "TDM_B Capture",
				"TDMIN_B IN 4", "TDM_B Loopback",
				"TODDR_A IN 1", "TDMIN_B OUT",
				"TODDR_B IN 1", "TDMIN_B OUT",
				"TODDR_C IN 1", "TDMIN_B OUT",
				"Headphone Jack", "HP_L",
				"Headphone Jack", "HP_R",
				"External Speaker", "SPK_LP",
				"External Speaker", "SPK_LN",
				"External Speaker", "SPK_RP",
				"External Speaker", "SPK_RN",
				"LINPUT1", "Mic Jack",
				"Mic Jack", "MICB";

		assigned-clocks = <&clkc CLKID_MPLL2>,
					<&clkc CLKID_MPLL0>,
					<&clkc CLKID_MPLL1>;
		assigned-clock-parents = <0>, <0>, <0>;
		assigned-clock-rates = <294912000>,
				       <270950400>,
				       <393216000>;

		dai-link-0 {
			sound-dai = <&frddr_a>;
		};

		dai-link-1 {
			sound-dai = <&frddr_b>;
		};

		dai-link-2 {
			sound-dai = <&frddr_c>;
		};

		dai-link-3 {
			sound-dai = <&toddr_a>;
		};

		dai-link-4 {
			sound-dai = <&toddr_b>;
		};

		dai-link-5 {
			sound-dai = <&toddr_c>;
		};

		/* 8ch hdmi interface */
		dai-link-6 {
			sound-dai = <&tdmif_a>;
			dai-format = "i2s";
			dai-tdm-slot-tx-mask-0 = <1 1>;
			dai-tdm-slot-tx-mask-1 = <1 1>;
			dai-tdm-slot-tx-mask-2 = <1 1>;
			dai-tdm-slot-tx-mask-3 = <1 1>;
			mclk-fs = <256>;

			codec {
				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
			};
		};

		/* Analog Audio */
		dai-link-7 {
			sound-dai = <&tdmif_b>;
			dai-format = "i2s";
			dai-tdm-slot-tx-mask-0 = <1 1>;
			mclk-fs = <256>;

			codec {
				sound-dai = <&wm8960>;
			};
		};

		/* hdmi glue */
		dai-link-8 {
			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;

			codec {
				sound-dai = <&hdmi_tx>;
			};
		};
	};

	reg_main_1v8: regulator-main-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&reg_main_3v3>;
	};

	reg_main_1v2: regulator-main-1v2 {
		compatible = "regulator-fixed";
		regulator-name = "1V2";
		regulator-min-microvolt = <1200000>;
		regulator-max-microvolt = <1200000>;
		vin-supply = <&reg_main_5v>;
	};

	reg_main_3v3: regulator-main-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	reg_main_5v: regulator-main-5v {
		compatible = "regulator-fixed";
		regulator-name = "5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_main_usb: regulator-main-usb {
		compatible = "regulator-fixed";
		regulator-name = "USB_PWR";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_main_5v>;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm_AO_ab 0 10000 0>;
		power-supply = <&reg_main_usb>;
		enable-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>;
		brightness-levels = <0 32 64 128 160 200 255>;
		default-brightness-level = <6>;
	};

	panel {
		compatible = "innolux,n125hce-gn1";
		power-supply = <&reg_main_3v3>;
		backlight = <&backlight>;
		no-hpd;

		port {
			panel_in: endpoint {
				remote-endpoint = <&edp_bridge_out>;
			};
		};
	};

	clock_12288: clock_12288 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <12288000>;
	};
};

&mipi_analog_dphy {
	status = "okay";
};

&mipi_dphy {
	status = "okay";
};

&mipi_dsi {
	status = "okay";

	assigned-clocks = <&clkc CLKID_GP0_PLL>,
			  <&clkc CLKID_MIPI_DSI_PXCLK_SEL>,
			  <&clkc CLKID_MIPI_DSI_PXCLK>,
			  <&clkc CLKID_CTS_ENCL_SEL>,
			  <&clkc CLKID_VCLK2_SEL>;
	assigned-clock-parents = <0>,
				 <&clkc CLKID_GP0_PLL>,
				 <0>,
				 <&clkc CLKID_VCLK2_DIV1>,
				 <&clkc CLKID_GP0_PLL>;
	assigned-clock-rates = <936000000>,
			       <0>,
			       <936000000>,
			       <0>,
			       <0>;
};

&mipi_dsi_panel_port {
	mipi_dsi_out: endpoint {
		remote-endpoint = <&edp_bridge_in>;
	};
};

&cecb_AO {
	status = "okay";
};

&ethmac {
	status = "okay";
};

&hdmi_tx {
	status = "okay";
};

&hdmi_tx_tmds_port {
	hdmi_tx_tmds_out: endpoint {
		remote-endpoint = <&hdmi_connector_in>;
	};
};

&pwm_AO_ab {
	pinctrl-names = "default";
	pinctrl-0 = <&pwm_ao_a_pins>;
	status = "okay";
};

&i2c0 {
	status = "okay";
};

&i2c3 {
	status = "okay";

	edp_bridge: bridge@2c {
		compatible = "ti,sn65dsi86";
		reg = <0x2c>;
		enable-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_HIGH>; // PIN_24 / GPIO8
		vccio-supply = <&reg_main_1v8>;
		vpll-supply = <&reg_main_1v8>;
		vcca-supply = <&reg_main_1v2>;
		vcc-supply = <&reg_main_1v2>;

		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			port@0 {
				reg = <0>;

				edp_bridge_in: endpoint {
					remote-endpoint = <&mipi_dsi_out>;
				};
			};

			port@1 {
				reg = <1>;

				edp_bridge_out: endpoint {
					remote-endpoint = <&panel_in>;
				};
			};
		};
	};
};

&i2c2 {
	status = "okay";

	wm8960: codec@1a {
		compatible = "wlf,wm8960";
		reg = <0x1a>;
		clocks = <&clock_12288>;
		clock-names = "mclk";
		#sound-dai-cells = <0>;
		wlf,shared-lrclk;
	};

	rtc@68 {
		compatible = "nxp,pcf8523";
		reg = <0x68>;
	};
};

&pcie {
	status = "okay";
};

&sd_emmc_b {
	status = "okay";
};

&tdmif_a {
	status = "okay";
};

&tdmout_a {
	status = "okay";
};

&tdmif_b {
	pinctrl-0 = <&tdm_b_dout0_pins>, <&tdm_b_fs_pins>, <&tdm_b_sclk_pins>, <&tdm_b_din1_pins>;
	pinctrl-names = "default";

	assigned-clocks = <&clkc_audio AUD_CLKID_TDM_SCLK_PAD1>,
			  <&clkc_audio AUD_CLKID_TDM_LRCLK_PAD1>;
	assigned-clock-parents = <&clkc_audio AUD_CLKID_MST_B_SCLK>,
				 <&clkc_audio AUD_CLKID_MST_B_LRCLK>;
	assigned-clock-rates = <0>, <0>;
};

&tdmin_b {
	status = "okay";
};

&toddr_a {
	status = "okay";
};

&toddr_b {
	status = "okay";
};

&toddr_c {
	status = "okay";
};

&tohdmitx {
	status = "okay";
};

&usb {
	dr_mode = "host";

	status = "okay";
};