From d532b7e6a916a2ec5f626269cfa8ab8e6b3680bd Mon Sep 17 00:00:00 2001 From: Raviteja Garimella Date: Fri, 9 Jun 2017 17:13:00 +0530 Subject: [PATCH] dt-bindings: phy: Add DT bindings documentation for NS2 USB DRD PHY This patch adds DT bindings documentation for NS2 DRD PHY driver. Signed-off-by: Raviteja Garimella Acked-by: Rob Herring Signed-off-by: Kishon Vijay Abraham I --- .../bindings/phy/brcm,ns2-drd-phy.txt | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt diff --git a/Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt b/Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt new file mode 100644 index 000000000000..04f063aa7883 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt @@ -0,0 +1,30 @@ +BROADCOM NORTHSTAR2 USB2 (DUAL ROLE DEVICE) PHY + +Required properties: + - compatible: brcm,ns2-drd-phy + - reg: offset and length of the NS2 PHY related registers. + - reg-names + The below registers must be provided. + icfg - for DRD ICFG configurations + rst-ctrl - for DRD IDM reset + crmu-ctrl - for CRMU core vdd, PHY and PHY PLL reset + usb2-strap - for port over current polarity reversal + - #phy-cells: Must be 0. No args required. + - vbus-gpios: vbus gpio binding + - id-gpios: id gpio binding + +Refer to phy/phy-bindings.txt for the generic PHY binding properties + +Example: + usbdrd_phy: phy@66000960 { + #phy-cells = <0>; + compatible = "brcm,ns2-drd-phy"; + reg = <0x66000960 0x24>, + <0x67012800 0x4>, + <0x6501d148 0x4>, + <0x664d0700 0x4>; + reg-names = "icfg", "rst-ctrl", + "crmu-ctrl", "usb2-strap"; + id-gpios = <&gpio_g 30 0>; + vbus-gpios = <&gpio_g 31 0>; + }; -- 2.20.1