// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2021-2023, NVIDIA CORPORATION.  All rights reserved.
 *
 * Jetson Device-tree overlay for ReSpeaker 4 Mic Linear Array.
 *
 */

#include <dt-bindings/pinctrl/pinctrl-tegra.h>

/ {
	overlay-name = "ReSpeaker 4 Mic Linear Array";
	jetson-header-name = "Jetson 40pin Header";
	compatible = JETSON_COMPATIBLE;

	fragment@0 {
		target = <&hdr40_i2c1>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			ac108_a: ac108@35{
				compatible = "x-power,ac108_0";
				reg = <0x35>;
				#sound-dai-cells = <0>;
				data-protocol = <0>;
				status = "okay";

				sound-name-prefix = "H40-AC";

				port {
					ac108_ep: endpoint {
						remote-endpoint = <&hdr40_snd_i2s_dap_ep>;
						link-name = "respeaker-4-mic-array";
					};
				};
			};
		};
	};

	fragment@1 {
		target = <&tegra_sound>;
		__overlay__ {
			nvidia-audio-card,widgets =
				"Microphone",   "H40-AC Mic";
			nvidia-audio-card,routing =
				"H40-AC MIC1N",              "H40-AC Mic",
				"H40-AC MIC1P",              "H40-AC Mic",
				"H40-AC MIC2N",              "H40-AC Mic",
				"H40-AC MIC2P",              "H40-AC Mic",
				"H40-AC MIC3N",              "H40-AC Mic",
				"H40-AC MIC3P",              "H40-AC Mic",
				"H40-AC MIC4N",              "H40-AC Mic",
				"H40-AC MIC4P",              "H40-AC Mic",
				"H40-AC Capture",            "H40-AC Mic";
		};
	};

	fragment@2 {
		target = <&hdr40_snd_link_i2s>;
		__overlay__ {
			link-name = "respeaker-4-mic-array";
			format = "dsp_a";
			fsync-width = <0>;
			bitclock-master;
			frame-master;
			codec {
				sound-dai = <&ac108_a>;
				prefix = "H40-AC";
			};
		};
	};

	fragment@3 {
		target = <&pinmux>;
		__overlay__ {
			pinctrl-names = "default";
			pinctrl-0 = <&jetson_io_pinmux>;

			jetson_io_pinmux: exp-header-pinmux {
				hdr40-pin12 {
					nvidia,pins = HDR40_PIN12;
					nvidia,function = HDR40_I2S;
					nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
					nvidia,tristate = <TEGRA_PIN_DISABLE>;
					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
				};

				hdr40-pin35 {
					nvidia,pins = HDR40_PIN35;
					nvidia,function = HDR40_I2S;
					nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
					nvidia,tristate = <TEGRA_PIN_DISABLE>;
					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
				};

				hdr40-pin38 {
					nvidia,pins = HDR40_PIN38;
					nvidia,function = HDR40_I2S;
					nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
					nvidia,tristate = <TEGRA_PIN_ENABLE>;
					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
				};
			};
		};
	};

	fragment@4 {
		target = <&tegra_sound_graph>;
		__overlay__ {
			widgets = "Microphone",		"H40-AC Mic";

			routing = "H40-AC MIC1N",	"H40-AC Mic",
				  "H40-AC MIC1P",	"H40-AC Mic",
				  "H40-AC MIC2N",	"H40-AC Mic",
				  "H40-AC MIC2P",	"H40-AC Mic",
				  "H40-AC MIC3N",	"H40-AC Mic",
				  "H40-AC MIC3P",	"H40-AC Mic",
				  "H40-AC MIC4N",	"H40-AC Mic",
				  "H40-AC MIC4P",	"H40-AC Mic",
				  "H40-AC Capture",	"H40-AC Mic";
		};
	};

	fragment@5 {
		target = <&hdr40_snd_i2s_dap_ep>;
		__overlay__ {
			dai-format = "dsp_a";
			bitclock-master;
			frame-master;
			remote-endpoint = <&ac108_ep>;
		};
	};
};