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Subject[PATCH v4 07/10] dt-bindings: phy: add binding for Allwinner USB3 PHY
Date
The new Allwinner H6 SoC contains a USB3 PHY that is wired to the
external USB3 pins of the SoC.

Add a device tree binding for the PHY.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
---
Changes in v4:
- Changed Vbus regulator property to vbus-supply.

Changes in v3:
- Added Chen-Yu's Review tag.

No changes in v2, v1.

.../bindings/phy/sun50i-usb3-phy.txt | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt b/Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt
new file mode 100644
index 000000000000..9f49c6b8c7e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt
@@ -0,0 +1,23 @@
+Allwinner sun50i USB3 PHY
+-----------------------
+
+Required properties:
+- compatible : should be one of
+ * allwinner,sun60i-h6-usb3-phy
+- reg : a list of offset + length pairs
+- #phy-cells : from the generic phy bindings, must be 0
+- clocks : phandle + clock specifier for the phy clock
+- resets : phandle + reset specifier for the phy reset
+
+Optional Properties:
+- vbus-supply : a phandle to a regulator that provides power to VBUS.
+
+Example:
+ usb3phy: phy@5210000 {
+ compatible = "allwinner,sun50i-h6-usb3-phy";
+ reg = <0x5210000 0x10000>;
+ clocks = <&ccu CLK_USB_PHY1>;
+ resets = <&ccu RST_USB_PHY1>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
--
2.18.0
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