linux-kernel - Re: [PATCH v2 01/10] dt-bindings: phy: Add support for HiSilicon's hi3660 USB PHY

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Date:   Mon, 18 Feb 2019 14:18:24 -0600
From:   Rob Herring <robh@...nel.org>
To:     Yu Chen <chenyu56@...wei.com>
Cc:     linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, john.stultz@...aro.org,
        suzhuangluan@...ilicon.com, kongfei@...ilicon.com,
        liuyu712@...ilicon.com, wanghu17@...ilicon.com,
        butao@...ilicon.com, chenyao11@...wei.com,
        fangshengzhou@...ilicon.com, lipengcheng8@...wei.com,
        songxiaowei@...ilicon.com, xuyiping@...ilicon.com,
        xuyoujun4@...wei.com, yudongbin@...ilicon.com,
        zangleigang@...ilicon.com, Mark Rutland <mark.rutland@....com>,
        Binghui Wang <wangbinghui@...ilicon.com>
Subject: Re: [PATCH v2 01/10] dt-bindings: phy: Add support for HiSilicon's
 hi3660 USB PHY

On Mon, Feb 18, 2019 at 07:23:01PM +0800, Yu Chen wrote:
> This patch adds binding documentation for supporting the hi3660 usb
> phy on boards like the HiKey960.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: John Stultz <john.stultz@...aro.org>
> Cc: Binghui Wang <wangbinghui@...ilicon.com>
> Signed-off-by: Yu Chen <chenyu56@...wei.com>
> ---
> v1:
> * Fix some format error as suggested by Rob.
> v2:
> * Change hi3660 usb PHY to hi3660 USB PHY
> ---
> ---
>  .../devicetree/bindings/phy/phy-hi3660-usb3.txt     | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/phy-hi3660-usb3.txt
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-hi3660-usb3.txt b/Documentation/devicetree/bindings/phy/phy-hi3660-usb3.txt
> new file mode 100644
> index 000000000000..f9a3d56cfdd2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-hi3660-usb3.txt
> @@ -0,0 +1,21 @@
> +Hisilicon hi3660 USB PHY
> +-----------------------
> +
> +Required properties:
> +- compatible: should be "hisilicon,hi3660-usb-phy"
> +- #phy-cells: must be 0
> +- hisilicon,pericrg-syscon: phandle of syscon used to control phy.
> +- hisilicon,pctrl-syscon: phandle of syscon used to control phy.
> +- hisilicon,usb3-otg-bc-syscon: phandle of syscon used to control phy.
> +- hisilicon,eye-diagram-param: parameter set for phy
> +Refer to phy/phy-bindings.txt for the generic PHY binding properties
> +
> +Example:
> +	usb-phy {
> +		compatible = "hisilicon,hi3660-usb-phy";
> +		#phy-cells = <0>;
> +		hisilicon,pericrg-syscon = <&crg_ctrl>;
> +		hisilicon,pctrl-syscon = <&pctrl>;
> +		hisilicon,usb3-otg-bc-syscon = <&usb3_otg_bc>;

Are most of the registers within one of these blocks? If so, make this 
node a child of that node.

> +		hisilicon,eye-diagram-param = <0x22466e4>;
> +	};
> -- 
> 2.15.0-rc2
>