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-Socionext UniPhier USB3 Super-Speed (SS) PHY
-
-This describes the devicetree bindings for PHY interfaces built into
-USB3 controller implemented on Socionext UniPhier SoCs.
-Although the controller includes High-Speed PHY and Super-Speed PHY,
-this describes about Super-Speed PHY.
-
-Required properties:
-- compatible: Should contain one of the following:
- "socionext,uniphier-pro4-usb3-ssphy" - for Pro4 SoC
- "socionext,uniphier-pro5-usb3-ssphy" - for Pro5 SoC
- "socionext,uniphier-pxs2-usb3-ssphy" - for PXs2 SoC
- "socionext,uniphier-ld20-usb3-ssphy" - for LD20 SoC
- "socionext,uniphier-pxs3-usb3-ssphy" - for PXs3 SoC
-- reg: Specifies offset and length of the register set for the device.
-- #phy-cells: Should be 0.
-- clocks: A list of phandles to the clock gate for USB3 glue layer.
- According to the clock-names, appropriate clocks are required.
-- clock-names:
- "gio", "link" - for Pro4 and Pro5 SoC
- "phy", "phy-ext", "link" - for PXs3 SoC, "phy-ext" is optional.
- "phy", "link" - for others
-- resets: A list of phandles to the reset control for USB3 glue layer.
- According to the reset-names, appropriate resets are required.
-- reset-names:
- "gio", "link" - for Pro4 and Pro5 SoC
- "phy", "link" - for others
-
-Optional properties:
-- vbus-supply: A phandle to the regulator for USB VBUS.
-
-Refer to phy/phy-bindings.txt for the generic PHY binding properties.
-
-Example:
-
- usb-glue@65b00000 {
- compatible = "socionext,uniphier-ld20-dwc3-glue",
- "simple-mfd";
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0 0x65b00000 0x400>;
-
- usb_vbus0: regulator {
- ...
- };
-
- usb_ssphy0: ss-phy@300 {
- compatible = "socionext,uniphier-ld20-usb3-ssphy";
- reg = <0x300 0x10>;
- #phy-cells = <0>;
- clock-names = "link", "phy";
- clocks = <&sys_clk 14>, <&sys_clk 16>;
- reset-names = "link", "phy";
- resets = <&sys_rst 14>, <&sys_rst 16>;
- vbus-supply = <&usb_vbus0>;
- };
- ...
- };