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-Rockchip SuperSpeed DWC3 USB SoC controller
-
-Required properties:
-- compatible: should contain "rockchip,rk3399-dwc3" for rk3399 SoC
-- clocks: A list of phandle + clock-specifier pairs for the
- clocks listed in clock-names
-- clock-names: Should contain the following:
- "ref_clk" Controller reference clk, have to be 24 MHz
- "suspend_clk" Controller suspend clk, have to be 24 MHz or 32 KHz
- "bus_clk" Master/Core clock, have to be >= 62.5 MHz for SS
- operation and >= 30MHz for HS operation
- "grf_clk" Controller grf clk
-
-Required child node:
-A child node must exist to represent the core DWC3 IP block. The name of
-the node is not important. The content of the node is defined in dwc3.txt.
-
-Phy documentation is provided in the following places:
-Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt - USB2.0 PHY
-Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt - Type-C PHY
-
-Example device nodes:
-
- usbdrd3_0: usb@fe800000 {
- compatible = "rockchip,rk3399-dwc3";
- clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>,
- <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_GRF>;
- clock-names = "ref_clk", "suspend_clk",
- "bus_clk", "grf_clk";
- #address-cells = <2>;
- #size-cells = <2>;
- ranges;
- usbdrd_dwc3_0: dwc3@fe800000 {
- compatible = "snps,dwc3";
- reg = <0x0 0xfe800000 0x0 0x100000>;
- interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
- dr_mode = "otg";
- };
- };
-
- usbdrd3_1: usb@fe900000 {
- compatible = "rockchip,rk3399-dwc3";
- clocks = <&cru SCLK_USB3OTG1_REF>, <&cru SCLK_USB3OTG1_SUSPEND>,
- <&cru ACLK_USB3OTG1>, <&cru ACLK_USB3_GRF>;
- clock-names = "ref_clk", "suspend_clk",
- "bus_clk", "grf_clk";
- #address-cells = <2>;
- #size-cells = <2>;
- ranges;
- usbdrd_dwc3_1: dwc3@fe900000 {
- compatible = "snps,dwc3";
- reg = <0x0 0xfe900000 0x0 0x100000>;
- interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
- dr_mode = "otg";
- };
- };