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Mon, 20 Oct 2025 01:39:20 -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 , Thomas Bonnefille , 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 v2 1/3] dt-bindings: soc: sophgo: add TOP syscon for CV18XX/SG200X series SoC Date: Mon, 20 Oct 2025 16:38:31 +0800 Message-ID: <20251020083838.67522-2-looong.bin@gmail.com> X-Mailer: git-send-email 2.51.1.dirty In-Reply-To: <20251020083838.67522-1-looong.bin@gmail.com> References: <20251020083838.67522-1-looong.bin@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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-authored-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,cv1= 800b-top-syscon.yaml diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-to= p-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-sysco= n.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,cv1800b-top-syscon.ya= ml# +$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 =3D "sophgo,cv1800b-top-syscon", "syscon", "simple-mfd"; + reg =3D <0x03000000 0x1000>; + #address-cells =3D <1>; + #size-cells =3D <1>; + + usbphy: phy@48 { + compatible =3D "sophgo,cv1800b-usb2-phy"; + reg =3D <0x48 0x4>; + #phy-cells =3D <0>; + clocks =3D <&clk CLK_USB_125M>, + <&clk CLK_USB_33K>, + <&clk CLK_USB_12M>; + clock-names =3D "app", "stb", "lpm"; + resets =3D <&rst 58>; + }; + + dmamux: dma-router@154 { + compatible =3D "sophgo,cv1800b-dmamux"; + reg =3D <0x154 0x8>, <0x298 0x4>; + #dma-cells =3D <2>; + dma-masters =3D <&dmac>; + }; + }; + +... -- 2.51.0 From nobody Sat Feb 7 13:41:41 2026 Received: from mail-pj1-f47.google.com (mail-pj1-f47.google.com [209.85.216.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0DFE12EC569 for ; Mon, 20 Oct 2025 08:39:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; 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charset="utf-8" Add top syscon node and all subdevice nodes for cv18xx series SoC. Co-authored-by: Inochi Amaoto Signed-off-by: Longbin Li Tested-by: Alexander Sverdlin --- arch/riscv/boot/dts/sophgo/cv180x.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/s= ophgo/cv180x.dtsi index ccdb45498653..42303acb2b39 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -25,6 +25,32 @@ soc { #size-cells =3D <1>; ranges; + syscon: syscon@3000000 { + compatible =3D "sophgo,cv1800b-top-syscon", + "syscon", "simple-mfd"; + reg =3D <0x03000000 0x1000>; + #address-cells =3D <1>; + #size-cells =3D <1>; + + usbphy: phy@48 { + compatible =3D "sophgo,cv1800b-usb2-phy"; + reg =3D <0x48 0x4>; + #phy-cells =3D <0>; + clocks =3D <&clk CLK_USB_125M>, + <&clk CLK_USB_33K>, + <&clk CLK_USB_12M>; + clock-names =3D "app", "stb", "lpm"; + resets =3D <&rst RST_COMBO_PHY0>; + }; + + dmamux: dma-router@154 { + compatible =3D "sophgo,cv1800b-dmamux"; + reg =3D <0x154 0x8>, <0x298 0x4>; 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Mon, 20 Oct 2025 01:39:53 -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 , Thomas Bonnefille , 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 v2 3/3] riscv: dts: sophgo: Add USB support for cv18xx Date: Mon, 20 Oct 2025 16:38:33 +0800 Message-ID: <20251020083838.67522-4-looong.bin@gmail.com> X-Mailer: git-send-email 2.51.1.dirty In-Reply-To: <20251020083838.67522-1-looong.bin@gmail.com> References: <20251020083838.67522-1-looong.bin@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add USB controller node for cv18xx and enable it for Huashan Pi, milkv-duo. Co-authored-by: Inochi Amaoto Signed-off-by: Longbin Li Tested-by: Alexander Sverdlin --- arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts | 5 +++++ arch/riscv/boot/dts/sophgo/cv180x.dtsi | 16 ++++++++++++++++ .../riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts | 5 +++++ .../boot/dts/sophgo/sg2002-licheerv-nano-b.dts | 5 +++++ 4 files changed, 31 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/= boot/dts/sophgo/cv1800b-milkv-duo.dts index 9feb520eaec4..0e6d79e6e3a4 100644 --- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts @@ -100,3 +100,8 @@ &uart0 { pinctrl-names =3D "default"; status =3D "okay"; }; + +&usb { + dr_mode =3D "host"; + status =3D "okay"; +}; diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/s= ophgo/cv180x.dtsi index 42303acb2b39..1b2b1969a648 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -432,6 +432,22 @@ dmac: dma-controller@4330000 { status =3D "disabled"; }; + usb: usb@4340000 { + compatible =3D "sophgo,cv1800b-usb"; + reg =3D <0x04340000 0x10000>; + clocks =3D <&clk CLK_AXI4_USB>, <&clk CLK_APB_USB>; + clock-names =3D "otg", "utmi"; + g-np-tx-fifo-size =3D <32>; + g-rx-fifo-size =3D <536>; + g-tx-fifo-size =3D <768 512 512 384 128 128>; + interrupts =3D ; + phys =3D <&usbphy>; + phy-names =3D "usb2-phy"; + resets =3D <&rst RST_USB>; + reset-names =3D "dwc2"; + status =3D "disabled"; + }; + rtc@5025000 { compatible =3D "sophgo,cv1800b-rtc", "syscon"; reg =3D <0x5025000 0x2000>; diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv= /boot/dts/sophgo/cv1812h-huashan-pi.dts index 4a5835fa9e96..aedf79f47407 100644 --- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts +++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts @@ -86,3 +86,8 @@ &sdhci1 { &uart0 { status =3D "okay"; }; + +&usb { + dr_mode =3D "host"; + status =3D "okay"; +}; diff --git a/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts b/arch/r= iscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts index 86a712b953a5..b1853770d017 100644 --- a/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts +++ b/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts @@ -93,3 +93,8 @@ &uart0 { pinctrl-names =3D "default"; status =3D "okay"; }; + +&usb { + dr_mode =3D "host"; + status =3D "okay"; +}; -- 2.51.0