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.man...@broadcom.com>
> ---
> .../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 <r...@kernel.org>
> + - #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
>
