On Fri, Jun 02, 2017 at 02:01:51PM -0400, Al Cooper wrote:
> Add DT bindings document for Broadcom STB USB PHYs
>
> Signed-off-by: Al Cooper <alcooperx@xxxxxxxxx>
> ---
> .../bindings/phy/brcm,brcmstb-usb-phy.txt | 37 ++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt b/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt
> new file mode 100644
> index 0000000..e1e9b16
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt
> @@ -0,0 +1,37 @@
> +Broadcom STB USB PHY
> +
> +Required properties:
> + - compatible: brcm,brcmstb-usb-phy
> + - reg: two offset and length pairs. The second pair specifies optional
> + registers used by some of the SoCs that support USB 3.x
> + - #phy-cells: Shall be 1 as it expects one argument for setting
> + the type of the PHY. Possible values are 0 (1.1 and 2.0),
> + 1 (3.x)
> +
> +Optional Properties:
> +- clocks : clock phandles.
> +- clock-names: String, clock name.
> +- brcm,ipp: Boolean, Invert Port Power.
> + Possible values are: 0 (Don't invert), 1 (Invert)
> +- brcm,ioc: Boolean, Invert Over Current detection.
> + Possible values are: 0 (Don't invert), 1 (Invert)
> +- brcm,has-xhci: Boolean indicating an optional 3.x only XHCI controller.
> +- brcm,has-xhci-only: Boolean indicating an XHCI controller that supports
> + 1.1, 2.0 and 3.0 devices
> +- brcm,device: String, PHY Device mode.
> + Possible values are: off (Host), on (Device), dual (DRD)
> + or typec-pd (Type-C PD control)
I believe we have standard property for this though maybe not type C.
off/on seem strange for meaning host/device as well.
> +
> +Example:
> +
> +usbphy_0: usb-phy@f0470200 {
> + reg = <0xf0470200 0xb8>,
> + <0xf0471940 0x6c0>;
> + compatible = "brcm,brcmstb-usb-phy";
> + #phy-cells = <1>;
> + brcm,ioc = <1>;
> + brcm,ipp = <1>;
> + brcm,has-xhci;
> + clocks = <&usb20>, <&usb30>;
> + clock-names = "sw_usb", "sw_usb3";
> +};
> --
> 1.9.0.138.g2de3478
>
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