Re: [PATCH v6 2/4] dt-bindings: phy: qcs615-qmp-usb3dp: Add support for Shikra SoC

From: Vinod Koul <vkoul@kernel.org>
To: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>,
	Rob Herring <robh@kernel.org>, Conor Dooley <conor+dt@kernel.org>,
	Wesley Cheng <quic_wcheng@quicinc.com>,
	Xiangxu Yin <xiangxu.yin@oss.qualcomm.com>,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 2/4] dt-bindings: phy: qcs615-qmp-usb3dp: Add support for Shikra SoC
Date: Mon, 20 Jul 2026 16:53:12 +0530	[thread overview]
Message-ID: <al4FICuDRLYdPE_8@vaman> (raw)
In-Reply-To: <20260712-usb-shikra-phy-v6-v6-2-1b3e51bf1541@oss.qualcomm.com>

On 12-07-26, 20:58, Krishna Kurapati wrote:

Krzysztof okay with this..?

> Declare the USB-C QMP PHY present on the Qualcomm Shikra SoC. Shikra uses
> 3 resets to be programmed before initialising the phy. As per the hardware
> documentation, the third reset is PHY_PRIM_SP0_BCR, hence naming it "phy".
> 
> Also, add remote endpoints and orientation switch support for getting
> Type-C orientation information.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---
>  .../bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml   | 49 +++++++++++++++++++++-
>  1 file changed, 48 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml
> index efb465c71c1b..98397006fa62 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml
> @@ -18,6 +18,7 @@ properties:
>    compatible:
>      enum:
>        - qcom,qcs615-qmp-usb3-dp-phy
> +      - qcom,shikra-qmp-usb3-dp-phy
>  
>    reg:
>      maxItems: 1
> @@ -33,12 +34,15 @@ properties:
>        - const: pipe
>  
>    resets:
> -    maxItems: 2
> +    minItems: 2
> +    maxItems: 3
>  
>    reset-names:
> +    minItems: 2
>      items:
>        - const: phy_phy
>        - const: dp_phy
> +      - const: phy
>  
>    vdda-phy-supply: true
>  
> @@ -63,6 +67,22 @@ properties:
>            - description: offset of the PHY mode register
>      description: Clamp and PHY mode register present in the TCSR
>  
> +  orientation-switch:
> +    description:
> +      Flag the PHY as possible handler of USB Type-C orientation switching
> +    type: boolean
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Output endpoint of the PHY
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Incoming endpoint from the USB controller
> +
>  required:
>    - compatible
>    - reg
> @@ -78,6 +98,33 @@ required:
>  
>  additionalProperties: false
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,shikra-qmp-usb3-dp-phy
> +    then:
> +      properties:
> +        resets:
> +          minItems: 3
> +        reset-names:
> +          minItems: 3
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,qcs615-qmp-usb3-dp-phy
> +    then:
> +      properties:
> +        resets:
> +          maxItems: 2
> +        reset-names:
> +          maxItems: 2
> +
>  examples:
>    - |
>      #include <dt-bindings/clock/qcom,qcs615-gcc.h>
> 
> -- 
> 2.34.1

-- 
~Vinod

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