linux-kernel - Re: [PATCH v3 01/12] dt-bindings: phy: Add support for HiSilicon's hi3660 USB PHY

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190312134525.GA9706@bogus>
Date:   Tue, 12 Mar 2019 08:45:25 -0500
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 v3 01/12] dt-bindings: phy: Add support for HiSilicon's
 hi3660 USB PHY

On Sat, Mar 02, 2019 at 05:04:54PM +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
> v3:
> * Make device node a subnode of usb3_otg_bc register.
> ---
> ---
>  .../devicetree/bindings/phy/phy-hi3660-usb3.txt    | 28 ++++++++++++++++++++++
>  1 file changed, 28 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..6096214a2bc6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-hi3660-usb3.txt
> @@ -0,0 +1,28 @@
> +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.

You can drop this as it is now just the parent node.

> +- hisilicon,eye-diagram-param: parameter set for phy
> +Refer to phy/phy-bindings.txt for the generic PHY binding properties
> +
> +This is a subnode of usb3_otg_bc register node.
> +
> +Example:
> +	usb3_otg_bc: usb3_otg_bc@...00000 {
> +		compatible = "syscon", "simple-mfd";

This node should have a specific compatible.

> +		reg = <0x0 0xff200000 0x0 0x1000>;
> +
> +		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>;
> +			hisilicon,eye-diagram-param = <0x22466e4>;
> +		};
> +	};
> -- 
> 2.15.0-rc2
>