linux-kernel - Re: [PATCH 1/3] dt-bindings: phy: qcom,qusb2: Add missing vdd-supply

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Date:   Mon, 27 Sep 2021 20:30:27 +0800
From:   Shawn Guo <shawn.guo@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Manu Gautam <mgautam@...eaurora.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Jeffrey Hugo <jeffrey.l.hugo@...il.com>,
        Jami Kettunen <jamipkettunen@...il.com>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: phy: qcom,qusb2: Add missing vdd-supply

On Mon, Sep 27, 2021 at 12:48:22PM +0800, Shawn Guo wrote:
> Besides vdda-pll and vdda-phy-dpdm, vdd-supply is a required supply for
> PHY digital circuit operation.  Add it for correctness and completeness.
> 
> Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
> ---
>  Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> index 48ae604b2194..96e31f582fc9 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> @@ -51,6 +51,10 @@ properties:
>        - const: ref
>        - const: iface
>  
> +  vdda-supply:

Oops, it should be `vdd-supply`.  Will fix it in v2.

Shawn

> +    description:
> +      Phandle to 0.9V regulator supply to PHY digital circuit.
> +
>    vdda-pll-supply:
>      description:
>        Phandle to 1.8V regulator supply to PHY refclk pll block.
> @@ -157,6 +161,7 @@ required:
>    - "#phy-cells"
>    - clocks
>    - clock-names
> +  - vdd-supply
>    - vdda-pll-supply
>    - vdda-phy-dpdm-supply
>    - resets
> @@ -175,6 +180,7 @@ examples:
>                   <&gcc GCC_RX1_USB2_CLKREF_CLK>;
>          clock-names = "cfg_ahb", "ref";
>  
> +        vdd-supply = <&pm8994_l28>;
>          vdda-pll-supply = <&pm8994_l12>;
>          vdda-phy-dpdm-supply = <&pm8994_l24>;
>  
> -- 
> 2.17.1
>