[PATCH v2 1/6] dt-bindings: phy: Add documentation for NS2 USB3 PHY
From: Jon Mason <hidden>
Date: 2017-07-26 23:04:42
Also in:
linux-devicetree, lkml
Subsystem:
generic phy framework, open firmware and flattened device tree bindings, the rest · Maintainers:
Vinod Koul, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Yendapally Reddy Dhananjaya Reddy <redacted> Add documentation for USB3 PHY available in NS2 SoC Signed-off-by: Yendapally Reddy Dhananjaya Reddy <redacted> Signed-off-by: Jon Mason <redacted> --- .../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 { + 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"; + }; + + usb3_phy1: usb_phy at 1 { + reg = <1>; + #phy-cells = <0>; + status = "disabled"; + }; + }; +};
--
2.7.4