[PATCH v4 1/2] dt-bindings: phy: Add Sophgo CV1800 USB phy

Conor Dooley conor at kernel.org
Thu Jun 12 09:07:37 PDT 2025


On Wed, Jun 11, 2025 at 04:18:02PM +0800, Inochi Amaoto wrote:
> The USB phy of Sophgo CV18XX series SoC needs to sense a pin called
> "VBUS_DET" to get the right operation mode. If this pin is not
> connected, it only supports setting the mode manually.
> 
> Add USB phy bindings for Sophgo CV18XX/SG200X series SoC.
> 
> Signed-off-by: Inochi Amaoto <inochiama at gmail.com>

I'm having a bit of trouble finding the v3 etc, could you provide a
link?
I think what is here is sane, but I want to make sure that review
comments on previous versions have been addressed. "dfn:" searches for
both driver and binding filenames turned up nothing.

> ---
>  .../bindings/phy/sophgo,cv1800b-usb2-phy.yaml | 54 +++++++++++++++++++
>  1 file changed, 54 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/sophgo,cv1800b-usb2-phy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/sophgo,cv1800b-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/sophgo,cv1800b-usb2-phy.yaml
> new file mode 100644
> index 000000000000..2ff8f85d0282
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/sophgo,cv1800b-usb2-phy.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/sophgo,cv1800b-usb2-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo CV18XX/SG200X USB 2.0 PHY
> +
> +maintainers:
> +  - Inochi Amaoto <inochiama at gmail.com>
> +
> +properties:
> +  compatible:
> +    const: sophgo,cv1800b-usb2-phy
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#phy-cells":
> +    const: 0
> +
> +  clocks:
> +    items:
> +      - description: PHY app clock
> +      - description: PHY stb clock
> +      - description: PHY lpm clock
> +
> +  clock-names:
> +    items:
> +      - const: app
> +      - const: stb
> +      - const: lpm
> +
> +  resets:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - "#phy-cells"
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    phy at 48 {
> +      compatible = "sophgo,cv1800b-usb2-phy";
> +      reg = <0x48 0x4>;
> +      #phy-cells = <0>;
> +      clocks = <&clk 93>, <&clk 94>, <&clk 95>;
> +      clock-names = "app", "stb", "lpm";
> +      resets = <&rst 58>;
> +    };
> -- 
> 2.49.0
> 
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