linux-kernel - [PATCH v1 1/4] ASoC: dt-bindings: nvidia,tegra-audio: document CPCAP CODEC

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Message-ID: <20260130133434.353353-2-clamor95@gmail.com>
Date: Fri, 30 Jan 2026 15:34:31 +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 1/4] ASoC: dt-bindings: nvidia,tegra-audio: document CPCAP CODEC

Add dt-binding for CPCAP CODEC.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 .../sound/nvidia,tegra-audio-cpcap.yaml       | 85 +++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-cpcap.yaml

diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-cpcap.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-cpcap.yaml
new file mode 100644
index 000000000000..0af6bd3bf639
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-cpcap.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nvidia,tegra-audio-cpcap.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra audio complex with CPCAP CODEC
+
+maintainers:
+  - Svyatoslav Ryhel <clamor95@...il.com>
+
+allOf:
+  - $ref: nvidia,tegra-audio-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - pattern: '^[a-z0-9]+,tegra-audio-cpcap(-[a-z0-9]+)+$'
+      - const: nvidia,tegra-audio-cpcap
+
+  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
+        - Int Spk
+        - Headphones
+        - Earpiece
+        - Headset Mic
+        - Internal Mic 1
+        - Internal Mic 2
+
+        # CODEC Pins
+        - MICR
+        - HSMIC
+        - EMUMIC
+        - MICL
+        - EXTR
+        - EXTL
+        - EP
+        - SPKR
+        - SPKL
+        - LINER
+        - LINEL
+        - HSR
+        - HSL
+        - EMUR
+        - EMUL
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/tegra20-car.h>
+    #include <dt-bindings/soc/tegra-pmc.h>
+    sound {
+        compatible = "motorola,tegra-audio-cpcap-mot",
+                     "nvidia,tegra-audio-cpcap";
+        nvidia,model = "Motorola Atrix 4G (MB860) CPCAP";
+
+        nvidia,audio-routing =
+                "Headphones", "HSR",
+                "Headphones", "HSL",
+                "Int Spk", "SPKR",
+                "Int Spk", "SPKL",
+                "Earpiece", "EP",
+                "HSMIC", "Headset Mic",
+                "MICR", "Internal Mic 1",
+                "MICL", "Internal Mic 2";
+
+        nvidia,i2s-controller = <&tegra_i2s1>;
+        nvidia,audio-codec = <&cpcap_audio>;
+
+        clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
+                 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
+                 <&tegra_car TEGRA20_CLK_CDEV1>;
+        clock-names = "pll_a", "pll_a_out0", "mclk";
+    };
-- 
2.51.0