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[94.59.215.181]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43569921dedsm692734f8f.9.2026.01.15.11.18.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Jan 2026 11:18:03 -0800 (PST) From: "Anton D. Stavinskii" Date: Thu, 15 Jan 2026 23:17:38 +0400 Subject: [PATCH 1/8] dt-bindings: sound: sophgo: add CV1800B I2S/TDM controller binding 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: <20260115-cv1800b-i2s-driver-v1-1-e8b22b8578ab@gmail.com> References: <20260115-cv1800b-i2s-driver-v1-0-e8b22b8578ab@gmail.com> In-Reply-To: <20260115-cv1800b-i2s-driver-v1-0-e8b22b8578ab@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=1768504677; l=2155; i=stavinsky@gmail.com; s=20260115; h=from:subject:message-id; bh=aL79ku9woK+lFHsaZx7h1/Un3D0nb/Y6kULQfvJwXrM=; b=4AI//Dc4zB0LAW6t0lpzfgX5E/8bFJpEz7eva9PnikVe7DJg6MMIcs3jHP05P9nsmAecK/IYd loHA2q9vDIbDxJcS0fEHU3K9RMuF17S/aYb71J7Go359nwtOe2HnXK6 X-Developer-Key: i=stavinsky@gmail.com; a=ed25519; pk=2WxGZ1zd1vQwSPFCSks6zrADqUDBUdtq39lElk4ZE7Q= Purpose: introduce DT schema for the CPU driver Signed-off-by: Anton D. Stavinskii --- .../bindings/sound/sophgo,cv1800b-i2s.yaml | 75 ++++++++++++++++++= ++++ 1 file changed, 75 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/sophgo,cv1800b-i2s.yam= l b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-i2s.yaml new file mode 100644 index 000000000000..cf30880a62da --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sophgo,cv1800b-i2s.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/sophgo,cv1800b-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo CV1800B I2S/TDM controller + +maintainers: + - Anton D. Stavinskii + +description: | + I2S/TDM controller found in CV1800B / Sophgo SG2002/SG2000 SoCs. + +properties: + compatible: + const: sophgo,cv1800b-i2s + + reg: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + items: + - const: i2s + - const: mclk + + dmas: + maxItems: 2 + + dma-names: + description: | + Names of DMA channels. May be omitted. If present, one entry + selects a single direction, while two entries select RX and TX. + minItems: 1 + maxItems: 2 + items: + enum: [rx, tx] + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +required: + - compatible + - reg + - clocks + - clock-names + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + #include + + i2s1: i2s@4110000 { + compatible =3D "sophgo,cv1800b-i2s"; + reg =3D <0x04110000 0x10000>; + #address-cells =3D <1>; + #size-cells =3D <0>; + clocks =3D <&clk CLK_APB_I2S1>, <&clk CLK_SDMA_AUD1>; + clock-names =3D "i2s", "mclk"; + dmas =3D <&dmamux 2 1>, <&dmamux 3 1>; + dma-names =3D "rx", "tx"; + }; +... --=20 2.43.0