diff --git a/overlay/jetson-adafruit-uda1334a.dtsi b/overlay/jetson-adafruit-uda1334a.dtsi
new file mode 100644
index 0000000..f955b4c
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+++ b/overlay/jetson-adafruit-uda1334a.dtsi
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+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Jetson Device-tree overlay for Adafruit I2S Stereo Decoder Breakout
+ * (UDA1334A).
+ *
+ * Copyright (c) 2021 NVIDIA CORPORATION. All rights reserved.
+ *
+ */
+
+#include <dt-bindings/pinctrl/pinctrl-tegra.h>
+
+/ {
+	overlay-name = "Adafruit UDA1334A";
+	jetson-header-name = "Jetson 40pin Header";
+	compatible = JETSON_COMPATIBLE;
+
+	fragment@0 {
+		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-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>;
+				};
+			};
+		};
+	};
+};