From c940d7658de0b91449d59d1ab8a9c1d24f0a8564 Mon Sep 17 00:00:00 2001 From: Martin Blumenstingl Date: Sun, 11 Sep 2016 15:41:07 +0200 Subject: Documentation: dt-bindings: Add documentation for the Meson USB2 PHYs Add the documentation for the bindings for the Meson8b and GXBB USB2 PHYs. Signed-off-by: Martin Blumenstingl Acked-by: John Youn Signed-off-by: Kevin Hilman --- .../devicetree/bindings/phy/meson-usb2-phy.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/meson-usb2-phy.txt diff --git a/Documentation/devicetree/bindings/phy/meson-usb2-phy.txt b/Documentation/devicetree/bindings/phy/meson-usb2-phy.txt new file mode 100644 index 000000000000..9da5ea234154 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/meson-usb2-phy.txt @@ -0,0 +1,27 @@ +* Amlogic USB2 PHY + +Required properties: +- compatible: Depending on the platform this should be one of: + "amlogic,meson8b-usb2-phy" + "amlogic,meson-gxbb-usb2-phy" +- reg: The base address and length of the registers +- #phys-cells: should be 0 (see phy-bindings.txt in this directory) +- clocks: phandle and clock identifier for the phy clocks +- clock-names: "usb_general" and "usb" + +Optional properties: +- resets: reference to the reset controller +- phy-supply: see phy-bindings.txt in this directory + + +Example: + +usb0_phy: usb_phy@0 { + compatible = "amlogic,meson-gxbb-usb2-phy"; + #phy-cells = <0>; + reg = <0x0 0x0 0x0 0x20>; + resets = <&reset RESET_USB_OTG>; + clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB0>; + clock-names = "usb_general", "usb"; + phy-supply = <&usb_vbus>; +}; -- cgit v1.2.3