// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2019-2023, NVIDIA CORPORATION.  All rights reserved.
 *
 * Jetson Device-tree overlay for FE-PI Audio V1 and Z V2.
 */

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

/ {
	overlay-name = "FE-PI Audio V1 and Z V2";
	jetson-header-name = "Jetson 40pin Header";
	compatible = JETSON_COMPATIBLE;

	fragment@0 {
		target-path = "/";
		__overlay__ {
			clocks {
				sgtl5000_mclk: sgtl5000_mclk {
					compatible = "fixed-clock";
					#clock-cells = <0>;
					clock-frequency = <12288000>;
					clock-output-names = "sgtl5000-mclk";
					status = "okay";
				};
			};
		};
	};

	fragment@1 {
		target = <&hdr40_i2c1>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;

			sgtl5000: sgtl5000@0a {
				compatible = "fsl,sgtl5000";
				reg = <0x0a>;
				clocks = <&sgtl5000_mclk>;
				micbias-resistor-k-ohms = <2>;
				micbias-voltage-m-volts = <3000>;
				VDDA-supply = <&hdr40_vdd_3v3>;
				VDDIO-supply = <&hdr40_vdd_3v3>;
				#sound-dai-cells = <0>;
				status = "okay";

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

				port {
					sgtl5000_ep: endpoint {
						remote-endpoint = <&hdr40_snd_i2s_dap_ep>;
						link-name = "fe-pi-audio-z-v2";
					};
				};
			};
		};
	};

	fragment@2 {
		target = <&tegra_sound>;
		__overlay__ {
			nvidia-audio-card,widgets =
				"Headphone",	"H40-SGTL Headphone",
				"Microphone",	"H40-SGTL Mic",
				"Line",		"H40-SGTL Line In",
				"Line",		"H40-SGTL Line Out";

			nvidia-audio-card,routing =
				"H40-SGTL Headphone",	"H40-SGTL HP_OUT",
				"H40-SGTL MIC_IN",	"H40-SGTL Mic",
				"H40-SGTL ADC",		"H40-SGTL Mic Bias",
				"H40-SGTL LINE_IN",	"H40-SGTL Line In",
				"H40-SGTL Line Out",	"H40-SGTL LINE_OUT";
		};
	};

	fragment@3 {
		target = <&hdr40_snd_link_i2s>;
		__overlay__ {
			link-name = "fe-pi-audio-z-v2";
			bitclock-master;
			frame-master;

			codec {
				sound-dai = <&sgtl5000>;
				prefix = "H40-SGTL";
			};
		};
	};

	fragment@4 {
		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>;
				};

				hdr40-pin40 {
					nvidia,pins = HDR40_PIN40;
					nvidia,function = HDR40_I2S;
					nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
					nvidia,tristate = <TEGRA_PIN_DISABLE>;
					nvidia,enable-input = <TEGRA_PIN_DISABLE>;
				};
			};
		};
	};

	fragment@5 {
		target = <&tegra_sound_graph>;
		__overlay__ {
			widgets = "Headphone",	"H40-SGTL Headphone",
				  "Microphone",	"H40-SGTL Mic",
				  "Line",	"H40-SGTL Line In",
				  "Line",	"H40-SGTL Line Out";

			routing = "H40-SGTL Headphone",	"H40-SGTL HP_OUT",
				  "H40-SGTL MIC_IN",	"H40-SGTL Mic",
				  "H40-SGTL ADC",	"H40-SGTL Mic Bias",
				  "H40-SGTL LINE_IN",	"H40-SGTL Line In",
				  "H40-SGTL Line Out",	"H40-SGTL LINE_OUT";
		};
	};

	fragment@6 {
		target = <&hdr40_snd_i2s_dap_ep>;
		__overlay__ {
			bitclock-master;
			frame-master;
			remote-endpoint = <&sgtl5000_ep>;
		};
	};
};