Hi, On 2018/12/3 16:35, Sergei Shtylyov wrote: > Hello! > > On 03.12.2018 6:45, Yu Chen wrote: > >> This patch adds binding descriptions to support the dwc3 controller >> on HiSilicon SoCs and boards like the HiKey960. >> >> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> >> Cc: Rob Herring <robh+dt@xxxxxxxxxx> >> Cc: Mark Rutland <mark.rutland@xxxxxxx> >> Cc: John Stultz <john.stultz@xxxxxxxxxx> >> Signed-off-by: Yu Chen <chenyu56@xxxxxxxxxx> >> --- >> .../devicetree/bindings/usb/dwc3-hisi.txt | 67 ++++++++++++++++++++++ >> 1 file changed, 67 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/usb/dwc3-hisi.txt >> >> diff --git a/Documentation/devicetree/bindings/usb/dwc3-hisi.txt b/Documentation/devicetree/bindings/usb/dwc3-hisi.txt >> new file mode 100644 >> index 000000000000..d32d2299a0a1 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/usb/dwc3-hisi.txt >> @@ -0,0 +1,67 @@ >> +HiSilicon DWC3 USB SoC controller >> + >> +This file documents the parameters for the dwc3-hisi driver. >> + >> +Required properties: >> +- compatible: should be "hisilicon,hi3660-dwc3" >> +- clocks: A list of phandle + clock-specifier pairs for the >> + clocks listed in clock-names >> +- clock-names: Specify clock names >> +- resets: list of phandle and reset specifier pairs. >> + >> +Sub-nodes: >> +The dwc3 core should be added as subnode to HiSilicon DWC3 as shown in the >> +example below. The DT binding details of dwc3 can be found in: >> +Documentation/devicetree/bindings/usb/dwc3.txt >> + >> +Example: >> + usb3: hisi_dwc3 { >> + compatible = "hisilicon,hi3660-dwc3"; >> + #address-cells = <2>; >> + #size-cells = <2>; >> + ranges; >> + >> + clocks = <&crg_ctrl HI3660_CLK_ABB_USB>, >> + <&crg_ctrl HI3660_ACLK_GATE_USB3OTG>; >> + clock-names = "clk_usb3phy_ref", "aclk_usb3otg"; >> + assigned-clocks = <&crg_ctrl HI3660_ACLK_GATE_USB3OTG>; >> + assigned-clock-rates = <229000000>; >> + resets = <&crg_rst 0x90 8>, >> + <&crg_rst 0x90 7>, >> + <&crg_rst 0x90 6>, >> + <&crg_rst 0x90 5>; >> + >> + dwc3: dwc3@ff100000 { > > According to the DT spec, the node names should be generic, not chip specific, i.e. usb@ff100000 in this case. > Do you mean it should be usb@ff100000: dwc3@ff100000 ? Thanks! > [...] > > MBR, Sergei > > . >