Add the documentation for the bindings for the Meson8b and GXBB USB2
PHYs.
Signed-off-by: Martin Blumenstingl <martin.blumensti...@googlemail.com>
---
.../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 0000000..662b537
--- /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)
+- resets: reference to the reset controller
+- clocks: phandle and clock identifier for the phy clocks
+- clock-names: "usb_general" and "usb"
+
+Optional properties:
+- 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 34>;
+ clocks = <&clkc CLKID_USB &clkc CLKID_USB0>;
+ clock-names = "usb_general", "usb";
+ phy-supply = <&usb_vbus>;
+};
--
2.9.3
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