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-rw-r--r--Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt b/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt
index d564ba4f1cf6..91da947ae9b6 100644
--- a/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt
+++ b/Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt
@@ -7,6 +7,12 @@ Required properties:
- compatible: "renesas,usb-phy-r8a7790" if the device is a part of R8A7790 SoC.
"renesas,usb-phy-r8a7791" if the device is a part of R8A7791 SoC.
"renesas,usb-phy-r8a7794" if the device is a part of R8A7794 SoC.
+ "renesas,rcar-gen2-usb-phy" for a generic R-Car Gen2 compatible device.
+
+ When compatible with the generic version, nodes must list the
+ SoC-specific version corresponding to the platform first
+ followed by the generic version.
+
- reg: offset and length of the register block.
- #address-cells: number of address cells for the USB channel subnodes, must
be <1>.
@@ -34,7 +40,7 @@ the USB channel; see the selector meanings below:
Example (Lager board):
usb-phy@e6590100 {
- compatible = "renesas,usb-phy-r8a7790";
+ compatible = "renesas,usb-phy-r8a7790", "renesas,rcar-gen2-usb-phy";
reg = <0 0xe6590100 0 0x100>;
#address-cells = <1>;
#size-cells = <0>;