[PATCH v2 1/6] dt-bindings: phy: Add documentation for NS2 USB3 PHY
Rob Herring
robh at kernel.org
Thu Aug 3 12:03:51 PDT 2017
On Wed, Jul 26, 2017 at 06:56:22PM -0400, Jon Mason wrote:
> From: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy at broadcom.com>
>
> Add documentation for USB3 PHY available in NS2 SoC
>
> Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy at broadcom.com>
> Signed-off-by: Jon Mason <jon.mason at broadcom.com>
> ---
> .../devicetree/bindings/phy/brcm,ns2-usb3-phy.txt | 48 ++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/brcm,ns2-usb3-phy.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/brcm,ns2-usb3-phy.txt b/Documentation/devicetree/bindings/phy/brcm,ns2-usb3-phy.txt
> new file mode 100644
> index 000000000000..b1c058c37d54
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/brcm,ns2-usb3-phy.txt
> @@ -0,0 +1,48 @@
> +Broadcom USB3 dual port phy for Northstar2 SoC
> +This is a child bus node of "brcm,mdio-mux-iproc" node.
> +
> +Required mdio bus properties:
> +- reg: MDIO Bus number for the MDIO interface
> +- #address-cells: must be 1
> +- #size-cells: must be 0
> +
> +Required PHY properties:
> +- compatible: should be "brcm,ns2-usb3-phy"
> +- reg: MDIO Phy ID for the MDIO interface
> +- #phy-cells: must be 0
> +- #address-cells: must be 1
> +- #size-cells: must be 0
> +
> +Sub-nodes:
> + Each port's PHY should be represented as a sub-node.
> +
> +Sub-nodes required properties:
> + - reg: the PHY number
> + - phy-cells: from the generic PHY bindings, must be 0
> +
> +Example:
> +
> +mdio at 1 {
> + reg = <0x1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + usb3_phy: usb3_phy at 0 {
usb3-phy at 0
> + compatible = "brcm,ns2-usb3-phy";
> + reg = <0x0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + usb3_phy0: usb3_phy at 0 {
> + reg = <0>;
> + #phy-cells = <0>;
> + status = "disabled";
Don't show status in examples.
With those nits fixed,
Acked-by: Rob Herring <robh at kernel.org>
> + };
> +
> + usb3_phy1: usb_phy at 1 {
> + reg = <1>;
> + #phy-cells = <0>;
> + status = "disabled";
> + };
> + };
> +};
> --
> 2.7.4
>
More information about the linux-arm-kernel
mailing list