Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2019 BayLibre, SAS
 * Author: Neil Armstrong <narmstrong@baylibre.com>
 * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
 */

/dts-v1/;

#include "meson-g12b-w400.dtsi"
#include <dt-bindings/sound/meson-g12a-tohdmitx.h>

/ {
	compatible = "ugoos,am6", "amlogic,s922x", "amlogic,g12b";
	model = "Ugoos AM6";

	spdif_dit: audio-codec-1 {
		#sound-dai-cells = <0>;
		compatible = "linux,spdif-dit";
		status = "okay";
		sound-name-prefix = "DIT";
	};

	sound {
		compatible = "amlogic,axg-sound-card";
		model = "G12B-UGOOS-AM6";
		audio-aux-devs = <&tdmout_b>;
		audio-routing = "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",
				"SPDIFOUT IN 0", "FRDDR_A OUT 3",
				"SPDIFOUT IN 1", "FRDDR_B OUT 3",
				"SPDIFOUT IN 2", "FRDDR_C OUT 3";

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

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

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

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

		/* 8ch hdmi interface */
		dai-link-3 {
			sound-dai = <&tdmif_b>;
			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_B>;
			};
		};

		/* spdif hdmi or toslink interface */
		dai-link-4 {
			sound-dai = <&spdifout>;

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

			codec-1 {
				sound-dai = <&tohdmitx TOHDMITX_SPDIF_IN_A>;
			};
		};

		/* spdif hdmi interface */
		dai-link-5 {
			sound-dai = <&spdifout_b>;

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

		/* hdmi glue */
		dai-link-6 {
			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;

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

&arb {
	status = "okay";
};

&clkc_audio {
	status = "okay";
};

&frddr_a {
	status = "okay";
};

&frddr_b {
	status = "okay";
};

&frddr_c {
	status = "okay";
};

&ir {
	linux,rc-map-name = "rc-khadas";
};

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

&spdifout_b {
	status = "okay";
};

&tdmif_b {
	status = "okay";
};

&tdmout_b {
	status = "okay";
};

&tohdmitx {
	status = "okay";
};

&uart_A {
	status = "okay";
	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;

	bluetooth {
		compatible = "brcm,bcm43438-bt";
		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
		max-speed = <2000000>;
		clocks = <&wifi32k>;
	clock-names = "lpo";
	};
};

&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

&usb {
	status = "okay";
	dr_mode = "host";
	vbus-supply = <&usb_pwr_en>;
};

&usb2_phy0 {
	phy-supply = <&usb1_pow>;
};

&usb2_phy1 {
	phy-supply = <&usb1_pow>;
};