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Thu, 23 Oct 2025 20:06:04 -0700 (PDT) From: Longbin Li To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Alexander Sverdlin , Yu Yuan , Ze Huang Cc: Longbin Li , devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v4 1/3] dt-bindings: soc: sophgo: add TOP syscon for CV18XX/SG200X series SoC Date: Fri, 24 Oct 2025 11:05:14 +0800 Message-ID: <20251024030528.25511-2-looong.bin@gmail.com> X-Mailer: git-send-email 2.51.1.dirty In-Reply-To: <20251024030528.25511-1-looong.bin@gmail.com> References: <20251024030528.25511-1-looong.bin@gmail.com> Precedence: bulk X-Mailing-List: sophgo@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The Sophgo CV1800/SG2000 SoC top misc system controller provides register access to configure related modules. It includes a usb2 phy and a dma multiplexer. Co-developed-by: Inochi Amaoto Signed-off-by: Inochi Amaoto Signed-off-by: Longbin Li --- .../soc/sophgo/sophgo,cv1800b-top-syscon.yaml | 81 +++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml new file mode 100644 index 000000000000..d044ca661fa2 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,cv1800b-top-syscon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo CV18XX/SG200X SoC top system controller + +maintainers: + - Inochi Amaoto + +description: + The Sophgo CV18XX/SG200X SoC top misc system controller provides + register access to configure related modules. + +properties: + compatible: + oneOf: + - items: + - const: sophgo,cv1800b-top-syscon + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + +patternProperties: + "dma-router@[0-9a-f]+$": + $ref: /schemas/dma/sophgo,cv1800b-dmamux.yaml# + unevaluatedProperties: false + + "phy@[0-9a-f]+$": + $ref: /schemas/phy/sophgo,cv1800b-usb2-phy.yaml# + unevaluatedProperties: false + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include + + syscon@3000000 { + compatible = "sophgo,cv1800b-top-syscon", "syscon", "simple-mfd"; + reg = <0x03000000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + + usbphy: phy@48 { + compatible = "sophgo,cv1800b-usb2-phy"; + reg = <0x48 0x4>; + #phy-cells = <0>; + clocks = <&clk CLK_USB_125M>, + <&clk CLK_USB_33K>, + <&clk CLK_USB_12M>; + clock-names = "app", "stb", "lpm"; + resets = <&rst 58>; + }; + + dmamux: dma-router@154 { + compatible = "sophgo,cv1800b-dmamux"; + reg = <0x154 0x8>, <0x298 0x4>; + #dma-cells = <2>; + dma-masters = <&dmac>; + }; + }; + +... -- 2.51.0