On Mon, Dec 03, 2018 at 11:45:05AM +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@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: John Stultz <john.stultz@xxxxxxxxxx>
> Cc: Binghui Wang <wangbinghui@xxxxxxxxxxxxx>
> Signed-off-by: Yu Chen <chenyu56@xxxxxxxxxx>
> --
> v1: Fix some format error as suggested by Rob.
> --
> ---
> .../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..8ea52d51aa13
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-hi3660-usb3.txt
> @@ -0,0 +1,21 @@
> +Hisilicon hi3660 usb PHY
s/usb/USB/
> +-----------------------
> +
> +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
Doesn't a phy need some clocks?
> +
> +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>;
Is one of these the "main" registers for the phy? If so, then make this
a child of that syscon node.
> + hisilicon,eye-diagram-param = <0x22466e4>;
> + };
> --
> 2.15.0-rc2
>
