/*
 * Copyright (c) 2023 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <dt-bindings/usb/audio.h>

/ {
	uac2_headset: usb_audio2 {
		compatible = "zephyr,uac2";
		status = "okay";
		full-speed;
		high-speed;
		audio-function = <AUDIO_FUNCTION_HEADSET>;

		uac_aclk: aclk {
			compatible = "zephyr,uac2-clock-source";
			clock-type = "internal-programmable";
			frequency-control = "host-programmable";
			sampling-frequencies = <48000>;
		};

		out_terminal: out_terminal {
			compatible = "zephyr,uac2-input-terminal";
			clock-source = <&uac_aclk>;
			terminal-type = <USB_TERMINAL_STREAMING>;
			front-left;
			front-right;
		};

		out_feature_unit: out_feature_unit {
			compatible = "zephyr,uac2-feature-unit";
			data-source = <&out_terminal>;
			mute-control = "host-programmable";
			automatic-gain-control =
				"host-programmable" /* Primary */,
				"host-programmable" /* Channel 1 */,
				"host-programmable" /* Channel 2 */;
		};

		headphones_output: headphones {
			compatible = "zephyr,uac2-output-terminal";
			data-source = <&out_feature_unit>;
			clock-source = <&uac_aclk>;
			terminal-type = <BIDIRECTIONAL_TERMINAL_HEADSET>;
			assoc-terminal = <&mic_input>;
		};

		mic_input: microphone {
			compatible = "zephyr,uac2-input-terminal";
			clock-source = <&uac_aclk>;
			terminal-type = <BIDIRECTIONAL_TERMINAL_HEADSET>;
			/* Circular reference, macros will figure it out and
			 * provide correct associated terminal ID because the
			 * terminals associations are always 1-to-1.
			 *
			 * assoc-terminal = <&headphones_output>;
			 */
			front-left;
		};

		in_feature_unit: in_feature_unit {
			compatible = "zephyr,uac2-feature-unit";
			data-source = <&mic_input>;
			mute-control = "host-programmable";
			automatic-gain-control =
				"not-present" /* Primary */,
				"host-programmable" /* Channel 1 */;
		};

		in_terminal: in_terminal {
			compatible = "zephyr,uac2-output-terminal";
			data-source = <&in_feature_unit>;
			clock-source = <&uac_aclk>;
			terminal-type = <USB_TERMINAL_STREAMING>;
		};

		as_iso_out: out_interface {
			compatible = "zephyr,uac2-audio-streaming";
			linked-terminal = <&out_terminal>;
			implicit-feedback;
			subslot-size = <2>;
			bit-resolution = <16>;
		};

		as_iso_in: in_interface {
			compatible = "zephyr,uac2-audio-streaming";
			linked-terminal = <&in_terminal>;
			implicit-feedback;
			subslot-size = <2>;
			bit-resolution = <16>;
		};
	};
};

/ {
	hs_uac2_headphones: hs_usb_audio2 {
		compatible = "zephyr,uac2";
		status = "okay";
		high-speed;
		audio-function = <AUDIO_FUNCTION_OTHER>;

		hs_uac_aclk: hs_aclk {
			compatible = "zephyr,uac2-clock-source";
			clock-type = "internal-programmable";
			frequency-control = "host-programmable";
			sampling-frequencies = <192000>;
		};

		hs_out_terminal: hs_out_terminal {
			compatible = "zephyr,uac2-input-terminal";
			clock-source = <&hs_uac_aclk>;
			terminal-type = <USB_TERMINAL_STREAMING>;
			front-left;
			front-right;
		};

		hs_headphones_output: hs_headphones {
			compatible = "zephyr,uac2-output-terminal";
			data-source = <&hs_out_terminal>;
			clock-source = <&hs_uac_aclk>;
			terminal-type = <OUTPUT_TERMINAL_HEADPHONES>;
		};

		hs_as_iso_out: hs_out_interface {
			compatible = "zephyr,uac2-audio-streaming";
			linked-terminal = <&hs_out_terminal>;
			subslot-size = <3>;
			bit-resolution = <24>;
		};
	};
};