Add support for hisi-inno-usb2 phy.
Signed-off-by: Jiancheng Xue <xuejiancheng@xxxxxxxxxxxxx>
---
.../devicetree/bindings/phy/phy-hisi-inno-usb2.txt | 31 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt
diff --git a/Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt
new file mode 100644
index 0000000..417eeaa
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/phy-hisi-inno-usb2.txt
@@ -0,0 +1,31 @@
+HiSilicon INNO USB2 PHY
+-----------------------
+Required properties:
+- compatible: Should be one of the following strings:
+ "hisilicon,inno-usb2-phy",
+ "hisilicon,hi3798cv200-usb2-phy",
+- #phy-cells: Shall be 0.
+- hisilicon,peripheral-syscon: Phandle of syscon used to control phy.
+- hisilicon,phycon-reg: Offset of the phy control register in the syscon.
+- hisilicon,port-num: Number of utmi ports. Range [1,2].
+- clocks: Phandle and clock specifier pair for reference clock utmi_refclk.
+- resets: List of phandle and reset specifier pairs for each reset signal
+in reset-names.
+- reset-names: Shall be "power_on", "utmi0", "utmi1". Thereinto, utmi[n] is
+required only if port[n] exists.
+
+Refer to phy/phy-bindings.txt for the generic PHY binding properties
+
+Example:
+usb2_phy: phy {
+ compatible = "hisilicon,inno-usb2-phy";
+ #phy-cells = <0>;
+ hisilicon,peripheral-syscon = <&peri_ctrl>;
+ hisilicon,phycon-reg = <0x120>;
+ hisilicon,port-num = <2>;
+ clocks = <&crg USB2_PHY_UTMI_REF_CLK>;
+ resets = <&crg 0xbc 2>,
+ <&crg 0xbc 8>,
+ <&crg 0xbc 9>,
+ reset-names = "power_on", "utmi0", "utmi1";
+ };
--
1.9.1
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