92 lines
2.1 KiB
Plaintext
92 lines
2.1 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Jetson Device-tree overlay for ReSpeaker 4 Mic Array.
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*
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* Copyright (c) 2020-2021 NVIDIA CORPORATION. All rights reserved.
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*
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*/
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#include <dt-bindings/pinctrl/pinctrl-tegra.h>
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/ {
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overlay-name = "ReSpeaker 4 Mic Array";
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jetson-header-name = "Jetson 40pin Header";
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compatible = JETSON_COMPATIBLE;
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fragment@0 {
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target = <&hdr40_i2c1>;
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__overlay__ {
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#address-cells = <1>;
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#size-cells = <0>;
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ac108_a: ac10x-codec.1-003b@3b{
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compatible = "x-power,ac108_0";
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reg = <0x3b>;
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data-protocol = <0>;
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status = "okay";
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};
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};
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};
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fragment@1 {
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target = <&tegra_sound>;
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__overlay__ {
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nvidia,audio-routing =
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"x MIC1N", "x Mic",
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"x MIC1P", "x Mic",
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"x MIC2N", "x Mic",
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"x MIC2P", "x Mic",
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"x MIC3N", "x Mic",
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"x MIC3P", "x Mic",
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"x MIC4N", "x Mic",
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"x MIC4P", "x Mic",
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"x Capture", "x Mic";
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};
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};
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fragment@2 {
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target = <&hdr40_snd_link_i2s>;
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__overlay__ {
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link-name = "respeaker-4-mic-array";
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codec-dai = <&ac108_a>;
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codec-dai-name = "ac10x-codec0";
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format = "dsp_a";
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bitclock-master;
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frame-master;
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};
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};
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fragment@3 {
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target = <&pinmux>;
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__overlay__ {
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pinctrl-names = "default";
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pinctrl-0 = <&jetson_io_pinmux>;
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jetson_io_pinmux: exp-header-pinmux {
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hdr40-pin12 {
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nvidia,pins = HDR40_PIN12;
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nvidia,function = HDR40_I2S;
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nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
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nvidia,tristate = <TEGRA_PIN_DISABLE>;
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nvidia,enable-input = <TEGRA_PIN_ENABLE>;
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};
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hdr40-pin35 {
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nvidia,pins = HDR40_PIN35;
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nvidia,function = HDR40_I2S;
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nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
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nvidia,tristate = <TEGRA_PIN_DISABLE>;
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nvidia,enable-input = <TEGRA_PIN_ENABLE>;
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};
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hdr40-pin38 {
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nvidia,pins = HDR40_PIN38;
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nvidia,function = HDR40_I2S;
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nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
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nvidia,tristate = <TEGRA_PIN_ENABLE>;
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nvidia,enable-input = <TEGRA_PIN_ENABLE>;
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};
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};
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};
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};
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};
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