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[94.59.215.181]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4801e879542sm112402295e9.4.2026.01.17.12.19.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Jan 2026 12:19:39 -0800 (PST) From: "Anton D. Stavinskii" Date: Sun, 18 Jan 2026 00:18:57 +0400 Subject: [PATCH v2 5/7] dt-bindings: sound: sophgo: add CV1800B internal DAC codec Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260118-cv1800b-i2s-driver-v2-5-d10055f68368@gmail.com> References: <20260118-cv1800b-i2s-driver-v2-0-d10055f68368@gmail.com> In-Reply-To: <20260118-cv1800b-i2s-driver-v2-0-d10055f68368@gmail.com> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Jaroslav Kysela , Takashi Iwai , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, "Anton D. Stavinskii" X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768681160; l=1737; i=stavinsky@gmail.com; s=20260115; h=from:subject:message-id; bh=GwTIVlGCDzAackWj5fM/XVH5Lb9iGR97dcSVgftL+2Q=; b=gWseGCnVm2/lclbG2rn3qTW1KAMRYhjwJ6KXzgLpr24RyIRTPhxiEifZ6rXedoHGg4b2rRBJg 0zD6SVMzvkUDOAMuPw4nvoWJS0mMvRtfBHAbR4UhgEvE/VkxZzHvzq7 X-Developer-Key: i=stavinsky@gmail.com; a=ed25519; pk=2WxGZ1zd1vQwSPFCSks6zrADqUDBUdtq39lElk4ZE7Q= Document the internal DAC audio codec integrated in the Sophgo CV1800B SoC. The codec doesn't have any special configuration at the moment. Signed-off-by: Anton D. Stavinskii --- .../bindings/sound/sophgo,cv1800b-sound-dac.yaml | 43 ++++++++++++++++++= ++++ 1 file changed, 43 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-d= ac.yaml b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-dac.= yaml new file mode 100644 index 000000000000..2a35e38dc7f9 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-sound-dac.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/sophgo,cv1800b-sound-dac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo CV1800B internal DAC audio codec + +maintainers: + - Anton D. Stavinskii + +description: | + Internal DAC audio codec integrated in the Sophgo CV1800B SoC. + The codec exposes a single playback DAI and is intended to be connected = to an + I2S/TDM controller via an ASoC machine driver. + +properties: + compatible: + const: sophgo,cv1800b-sound-dac + + reg: + maxItems: 1 + description: | + Register base address and size of the internal DAC codec register bl= ock. + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + audio-codec@300A000 { + compatible =3D "sophgo,cv1800b-sound-dac"; + #sound-dai-cells =3D <0>; + reg =3D <0x0300A000 0x100>; + }; +... --=20 2.43.0