On Tue, Mar 12, 2019 at 09:36:19PM +0530, Srinath Mannam wrote: > Add DT binding document for Stingray USB PHY. > > Signed-off-by: Srinath Mannam <srinath.mannam@xxxxxxxxxxxx> > --- > .../bindings/phy/brcm,stingray-usb-phy.txt | 40 ++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt > > diff --git a/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt b/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt > new file mode 100644 > index 0000000..51c3d73 > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/brcm,stingray-usb-phy.txt > @@ -0,0 +1,40 @@ > +Broadcom Stingray USB PHY > + > +Required properties: > + - compatible : should be one of the listed compatibles > + - "brcm,sr-usb-combo-phy" is combo PHY has two PHYs, one SS and one HS. > + - "brcm,sr-usb-hs-phy" is a single HS PHY. > + - reg: offset and length of the PHY blocks registers > + - address-cells: should be 1 > + - size-cells: should be 0 These can be dropped now. With that, Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > + - #phy-cells: > + - Must be 1 for brcm,sr-usb-combo-phy as it expects one argument to indicate > + the PHY number of two PHYs. 0 for HS PHY and 1 for SS PHY. > + - Must be 0 for brcm,sr-usb-hs-phy. > + > +Refer to phy/phy-bindings.txt for the generic PHY binding properties > + > +Example: > + usbphy0: usb-phy@0 { > + compatible = "brcm,sr-usb-combo-phy"; > + reg = <0x00000000 0x100>; > + #address-cells = <1>; > + #size-cells = <0>; > + #phy-cells = <1>; > + }; > + > + usbphy1: usb-phy@10000 { > + compatible = "brcm,sr-usb-combo-phy"; > + reg = <0x00010000 0x100>, > + #address-cells = <1>; > + #size-cells = <0>; > + #phy-cells = <1>; > + }; > + > + usbphy2: usb-phy@20000 { > + compatible = "brcm,sr-usb-hs-phy"; > + reg = <0x00020000 0x100>, > + #address-cells = <1>; > + #size-cells = <0>; > + #phy-cells = <0>; > + }; > -- > 2.7.4 >