Add bindings to indicate properties required to support multiport on Snps Dwc3 controller. Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx> --- .../devicetree/bindings/usb/snps,dwc3.yaml | 53 ++++++++++++++++--- 1 file changed, 47 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index 6d78048c4613..3ea051beb2f8 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -81,15 +81,26 @@ properties: phys: minItems: 1 - maxItems: 2 + maxItems: 8 phy-names: minItems: 1 - maxItems: 2 - items: - enum: - - usb2-phy - - usb3-phy + maxItems: 8 + oneOf: + - items: + enum: + - usb2-phy + - usb3-phy + - items: + enum: + - usb2-phy_port0 + - usb2-phy_port1 + - usb2-phy_port2 + - usb2-phy_port3 + - usb3-phy_port0 + - usb3-phy_port1 + - usb3-phy_port2 + - usb3-phy_port3 resets: minItems: 1 @@ -360,6 +371,22 @@ properties: description: Enable USB remote wakeup. + num-ports: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This property indicates the number of ports present on the target that + are to be serviced by the DWC3 controller. + minimum: 1 + maximum: 4 + + num-ss-ports: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This property indicates the number of SS capable ports present on the + target that are to be serviced by the DWC3 controller. + minimum: 1 + maximum: 4 + unevaluatedProperties: false required: @@ -388,4 +415,18 @@ examples: snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; }; + - | + usb@4a000000 { + compatible = "snps,dwc3"; + reg = <0x4a000000 0xcfff>; + interrupts = <0 92 4>; + clocks = <&clk 1>, <&clk 2>, <&clk 3>; + clock-names = "bus_early", "ref", "suspend"; + num-ports = <2>; + num-ss-ports = <1>; + phys = <&usb2_phy0>, <&usb3_phy0>, <&usb2_phy1>; + phy-names = "usb2-phy_port0", "usb3-phy_port0", "usb2-phy_port1"; + snps,dis_u2_susphy_quirk; + snps,dis_enblslpm_quirk; + }; ... -- 2.39.0