linux-kernel - [PATCH v1 3/4] ASoC: dt-bindings: nvidia,tegra-audio: document WM8962 CODEC

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Message-ID: <20260130133434.353353-4-clamor95@gmail.com>
Date: Fri, 30 Jan 2026 15:34:33 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Svyatoslav Ryhel <clamor95@...il.com>,
	Jonas Schwöbel <jonasschwoebel@...oo.de>
Cc: linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 3/4] ASoC: dt-bindings: nvidia,tegra-audio: document WM8962 CODEC

Add dt-binding for WM8962 CODEC.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 .../sound/nvidia,tegra-audio-wm8962.yaml      | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8962.yaml

diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8962.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8962.yaml
new file mode 100644
index 000000000000..2c3bf5a02a34
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8962.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nvidia,tegra-audio-wm8962.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra audio complex with WM8962 CODEC
+
+maintainers:
+  - Svyatoslav Ryhel <clamor95@...il.com>
+
+allOf:
+  - $ref: nvidia,tegra-audio-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - pattern: '^[a-z0-9]+,tegra-audio-wm8962(-[a-z0-9]+)+$'
+      - const: nvidia,tegra-audio-wm8962
+
+  nvidia,audio-routing:
+    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
+    description:
+      A list of the connections between audio components. Each entry is a
+      pair of strings, the first being the connection's sink, the second
+      being the connection's source. Valid names for sources and sinks are
+      the pins (documented in the binding document), and the jacks on the
+      board.
+    minItems: 2
+    items:
+      enum:
+        # Board Connectors
+        - Speakers
+        - Int Spk
+        - Earpiece
+        - Int Mic
+        - Headset Mic
+        - Internal Mic 1
+        - Internal Mic 2
+        - Headphone
+        - Headphones
+        - Headphone Jack
+        - Mic Jack
+
+        # CODEC Pins
+        - IN1L
+        - IN1R
+        - IN2L
+        - IN2R
+        - IN3L
+        - IN3R
+        - IN4L
+        - IN4R
+        - DMICDAT
+        - HPOUTL
+        - HPOUTR
+        - SPKOUT
+        - SPKOUTL
+        - SPKOUTR
+
+required:
+  - nvidia,i2s-controller
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/tegra30-car.h>
+    #include <dt-bindings/soc/tegra-pmc.h>
+    sound {
+        compatible = "microsoft,tegra-audio-wm8962-surface-rt",
+                     "nvidia,tegra-audio-wm8962";
+        nvidia,model = "Microsoft Surface RT WM8962";
+
+        nvidia,audio-routing =
+                "Headphone Jack", "HPOUTR",
+                "Headphone Jack", "HPOUTL",
+                "Int Spk", "SPKOUTR",
+                "Int Spk", "SPKOUTL";
+
+        nvidia,i2s-controller = <&tegra_i2s1>;
+        nvidia,audio-codec = <&wm8962>;
+
+        clocks = <&tegra_car TEGRA30_CLK_PLL_A>,
+                 <&tegra_car TEGRA30_CLK_PLL_A_OUT0>,
+                 <&tegra_pmc TEGRA_PMC_CLK_OUT_1>;
+        clock-names = "pll_a", "pll_a_out0", "mclk";
+    };
-- 
2.51.0