linux-kernel - Re: [PATCH 1/2] dt-bindings: phy: Add Qualcomm Synopsys High-Speed USB PHY binding

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Date:   Fri, 9 Nov 2018 10:38:19 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Shawn Guo <shawn.guo@...aro.org>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Sriharsha Allenki <sallenki@...eaurora.org>,
        Anu Ramanathan <anur@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: phy: Add Qualcomm Synopsys High-Speed
 USB PHY binding

On 08-11-18, 15:04, Shawn Guo wrote:
> From: Sriharsha Allenki <sallenki@...eaurora.org>
> 
> It adds bindings for Synopsys 28nm femto phy controller that supports
> LS/FS/HS usb connectivity on Qualcomm chipsets.
> 
> Signed-off-by: Sriharsha Allenki <sallenki@...eaurora.org>
> Signed-off-by: Anu Ramanathan <anur@...eaurora.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
> ---
>  .../phy/qcom,snps-28nm-usb-hs-phy.txt         | 101 ++++++++++++++++++
>  1 file changed, 101 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/qcom,snps-28nm-usb-hs-phy.txt
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-28nm-usb-hs-phy.txt b/Documentation/devicetree/bindings/phy/qcom,snps-28nm-usb-hs-phy.txt
> new file mode 100644
> index 000000000000..75e7a09dd558
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/qcom,snps-28nm-usb-hs-phy.txt
> @@ -0,0 +1,101 @@
> +Qualcomm Synopsys 28nm Femto phy controller
> +===========================================
> +
> +Synopsys 28nm femto phy controller supports LS/FS/HS usb connectivity on
> +Qualcomm chipsets.
> +
> +Required properties:
> +
> +- compatible:
> +    Value type: <string>
> +    Definition: Should contain "qcom,usb-snps-hsphy".
> +
> +- reg:
> +    Value type: <prop-encoded-array>
> +    Definition: USB PHY base address and length of the register map.
> +
> +- #phy-cells:
> +    Value type: <u32>
> +    Definition: Should be 0.

I dont quite understand the definition that it should be 0, maybe you
mean allowed value is 0, if so why have this property?

-- 
~Vinod