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📄 meson-gx-libretech-pc.dtsi(8.56 KB)
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📄 meson-sm1.dtsi(13.43 KB)

Editing: meson-gx-p23x-q20x.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2016 Endless Computers, Inc.
 * Author: Carlo Caione <carlo@endlessm.com>
 */

/* Common DTSI for same Amlogic Q200/Q201 and P230/P231 boards using either
 * the pin-compatible S912 (GXM) or S905D (GXL) SoCs.
 */

#include <dt-bindings/sound/meson-aiu.h>

/ {
	aliases {
		serial0 = &uart_AO;
		ethernet0 = &ethmac;
	};

dio2133: analog-amplifier {
		compatible = "simple-audio-amplifier";
		sound-name-prefix = "AU2";
		VCC-supply = <&hdmi_5v>;
		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
	};

spdif_dit: audio-codec-0 {
		#sound-dai-cells = <0>;
		compatible = "linux,spdif-dit";
		status = "okay";
		sound-name-prefix = "DIT";
	};

chosen {
		stdout-path = "serial0:115200n8";
	};

memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x80000000>;
	};

hdmi_5v: regulator-hdmi-5v {
		compatible = "regulator-fixed";

regulator-name = "HDMI_5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;

gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

vddio_ao18: regulator-vddio_ao18 {
		compatible = "regulator-fixed";
		regulator-name = "VDDIO_AO18";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

vddio_boot: regulator-vddio_boot {
		compatible = "regulator-fixed";
		regulator-name = "VDDIO_BOOT";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

vddao_3v3: regulator-vddao_3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VDDAO_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

vcc_3v3: regulator-vcc_3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

emmc_pwrseq: emmc-pwrseq {
		compatible = "mmc-pwrseq-emmc";
		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
	};

wifi32k: wifi32k {
		compatible = "pwm-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
	};

sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
		clocks = <&wifi32k>;
		clock-names = "ext_clock";
	};

cvbs-connector {
		compatible = "composite-video-connector";

port {
			cvbs_connector_in: endpoint {
				remote-endpoint = <&cvbs_vdac_out>;
			};
		};
	};

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

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

sound {
		compatible = "amlogic,gx-sound-card";
		model = "GX-P230-Q200";
		audio-aux-devs = <&dio2133>;
		audio-widgets = "Line", "Lineout";
		audio-routing = "AU2 INL", "ACODEC LOLP",
				"AU2 INR", "ACODEC LORP",
				"AU2 INL", "ACODEC LOLN",
				"AU2 INR", "ACODEC LORN",
				"Lineout", "AU2 OUTL",
				"Lineout", "AU2 OUTR";
		assigned-clocks = <&clkc CLKID_MPLL0>,
				  <&clkc CLKID_MPLL1>,
				  <&clkc CLKID_MPLL2>;
		assigned-clock-parents = <0>, <0>, <0>;
		assigned-clock-rates = <294912000>,
				       <270950400>,
				       <393216000>;
		status = "okay";

dai-link-0 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
		};

dai-link-1 {
			sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
		};

dai-link-2 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
			dai-format = "i2s";
			mclk-fs = <256>;

codec-0 {
				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
			};

codec-1 {
				sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
			};
		};

dai-link-3 {
			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;

codec-0 {
				sound-dai = <&spdif_dit>;
			};
		};

dai-link-4 {
			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;

codec-0 {
				sound-dai = <&hdmi_tx>;
			};
		};

dai-link-5 {
			sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;

codec-0 {
				sound-dai = <&acodec>;
			};
		};
	};
};

&acodec {
	AVDD-supply = <&vddio_ao18>;
	status = "okay";
};

&aiu {
	status = "okay";
	pinctrl-0 = <&spdif_out_h_pins>;
	pinctrl-names = "default";

};

&cec_AO {
	status = "okay";
	pinctrl-0 = <&ao_cec_pins>;
	pinctrl-names = "default";
	hdmi-phandle = <&hdmi_tx>;
};

&cvbs_vdac_port {
	cvbs_vdac_out: endpoint {
		remote-endpoint = <&cvbs_connector_in>;
	};
};

&ethmac {
	status = "okay";
};

&hdmi_tx {
	status = "okay";
	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
	pinctrl-names = "default";
	hdmi-supply = <&hdmi_5v>;
};

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

&ir {
	status = "okay";
	pinctrl-0 = <&remote_input_ao_pins>;
	pinctrl-names = "default";
};

&pwm_ef {
	status = "okay";
	pinctrl-0 = <&pwm_e_pins>;
	pinctrl-names = "default";
	clocks = <&clkc CLKID_FCLK_DIV4>;
	clock-names = "clkin0";
};

&saradc {
	status = "okay";
	vref-supply = <&vddio_ao18>;
};

/* Wireless SDIO Module */
&sd_emmc_a {
	status = "okay";
	pinctrl-0 = <&sdio_pins>;
	pinctrl-1 = <&sdio_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";
	#address-cells = <1>;
	#size-cells = <0>;

bus-width = <4>;
	cap-sd-highspeed;
	max-frequency = <50000000>;

non-removable;
	disable-wp;

/* WiFi firmware requires power to be kept while in suspend */
	keep-power-in-suspend;

mmc-pwrseq = <&sdio_pwrseq>;

vmmc-supply = <&vddao_3v3>;
	vqmmc-supply = <&vddio_boot>;
};

/* SD card */
&sd_emmc_b {
	status = "okay";
	pinctrl-0 = <&sdcard_pins>;
	pinctrl-1 = <&sdcard_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";

bus-width = <4>;
	cap-sd-highspeed;
	max-frequency = <50000000>;
	disable-wp;

cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;

vmmc-supply = <&vddao_3v3>;
	vqmmc-supply = <&vddio_boot>;
};

/* eMMC */
&sd_emmc_c {
	status = "okay";
	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
	pinctrl-1 = <&emmc_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";

bus-width = <8>;
	cap-mmc-highspeed;
	max-frequency = <200000000>;
	non-removable;
	disable-wp;
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;

mmc-pwrseq = <&emmc_pwrseq>;
	vmmc-supply = <&vcc_3v3>;
	vqmmc-supply = <&vddio_boot>;
};

/* This UART is brought out to the DB9 connector */
&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

&usb {
	status = "okay";
	dr_mode = "otg";
};

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Editing: meson-gx-p23x-q20x.dtsi

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