| MSM SuperSpeed USB3.0 SoC controller |
| |
| Required properties : |
| - compatible : should be "qcom,dwc-usb3-msm" |
| - reg : offset and length of the register set in the memory map |
| offset and length of the TCSR register for routing USB |
| signals to either picoPHY0 or picoPHY1. |
| - interrupts: IRQ lines used by this controller |
| - <supply-name>-supply: phandle to the regulator device tree node |
| Required "supply-name" examples are: |
| "SSUSB_lp8" : 1.8v supply for SSPHY |
| "HSUSB_1p8" : 1.8v supply for HSPHY |
| "HSUSB_3p3" : 3.3v supply for HSPHY |
| "vbus_dwc3" : vbus supply for host mode |
| "ssusb_vdd_dig" : vdd supply for SSPHY digital circuit operation |
| "hsusb_vdd_dig" : vdd supply for HSPHY digital circuit operation |
| - qcom,dwc-usb3-msm-dbm-eps: Number of endpoints avaliable for |
| the DBM (Device Bus Manager). The DBM is HW unit which is part of |
| the MSM USB3.0 core (which also includes the Synopsys DesignWare |
| USB3.0 controller) |
| - qcom,vdd-voltage-level: This property must be a list of three integer |
| values (no, min, max) where each value represents either a voltage in |
| microvolts or a value corresponding to voltage corner |
| |
| Optional properties : |
| - Refer to "Documentation/devicetree/bindings/arm/msm/msm_bus.txt" for |
| below optional properties: |
| - qcom,msm_bus,name |
| - qcom,msm_bus,num_cases |
| - qcom,msm_bus,active_only |
| - qcom,msm_bus,num_paths |
| - qcom,msm_bus,vectors |
| - interrupt-names : Optional interrupt resource entries are: |
| "hs_phy_irq" : Interrupt from HSPHY for asynchronous events in LPM. |
| This is not used if wakeup events are received externally (e.g. PMIC) |
| "pmic_id_irq" : Interrupt from PMIC for external ID pin notification. |
| - qcom,otg-capability: If present then depend on PMIC for VBUS notifications, |
| otherwise depend on PHY. |
| - qcom,charging-disabled: If present then battery charging using USB |
| is disabled. |
| - qcom,dwc-hsphy-init: This property if present represents phy init |
| value to be used for overriding HSPHY parameters into QSCRATCH register. |
| This 32 bit value represents parameters as follows: |
| bits 0-5 PARAMETER_OVERRIDE_A |
| bits 6-12 PARAMETER_OVERRIDE_B |
| bits 13-19 PARAMETER_OVERRIDE_C |
| bits 20-25 PARAMETER_OVERRIDE_D |
| - qcom,skip-charger-detection: If present then charger detection using BC1.2 |
| is not supported and attached host should always be assumed as SDP. |
| - USB3_GDSC-supply : phandle to the globally distributed switch controller |
| regulator node to the USB controller. |
| - qcom,dwc_usb3-adc_tm: Corresponding ADC_TM device's phandle to set recurring |
| measurements on USB_ID channel when using ADC and receive |
| notifications for set thresholds. |
| - qcom,dwc-usb3-msm-tx-fifo-size: If present, represents RAM size available for |
| TX fifo allocation in bytes |
| - qcom,dwc-usb3-msm-qdss-tx-fifo-size: If present, represent RAM size available |
| for TX fifo allocation in QDSS composition |
| - qcom,dwc-ssphy-deemphasis-value: This property if present represents ss phy |
| deemphasis value to be used for overriding into SSPHY register. |
| - qcom,usbin-vadc: Corresponding vadc device's phandle to read usbin voltage using VADC. |
| This will be used to get value of usb power supply's VOLTAGE_NOW property, |
| - qcom,utmi-clk-rate: Indicates refclk frequency (in Hz) to the core. If not |
| specified, default of 19.2MHz is assumed. |
| |
| Sub nodes: |
| - Sub node for "DWC3- USB3 controller". |
| This sub node is required property for device node. The properties of this subnode |
| are specified in dwc3.txt. |
| |
| Example MSM USB3.0 controller device node : |
| usb@f9200000 { |
| compatible = "qcom,dwc-usb3-msm"; |
| reg = <0xf9200000 0xfc000>, |
| <0xfd4ab000 0x4>; |
| interrupts = <0 133 0>; |
| interrupt-names = "hs_phy_irq"; |
| ssusb_vdd_dig-supply = <&pm8841_s2_corner>; |
| SSUSB_1p8-supply = <&pm8941_l6>; |
| hsusb_vdd_dig-supply = <&pm8841_s2_corner>; |
| HSUSB_1p8-supply = <&pm8941_l6>; |
| HSUSB_3p3-supply = <&pm8941_l24>; |
| vbus_dwc3-supply = <&pm8941_mvs1>; |
| USB3_GDSC-supply = <&gdsc_usb30>; |
| qcom,dwc-usb3-msm-dbm-eps = <4> |
| qcom,vdd-voltage-level = <1 5 7>; |
| qcom,dwc-hsphy-init = <0x00D195A4>; |
| qcom,dwc_usb3-adc_tm = <&pm8941_adc_tm>; |
| qcom,dwc-usb3-msm-tx-fifo-size = <29696>; |
| qcom,dwc-usb3-msm-qdss-tx-fifo-size = <16384>; |
| qcom,dwc-ssphy-deemphasis-value = <26>; |
| qcom,usbin-vadc = <&pm8941_vadc>; |
| |
| qcom,msm_bus,name = "usb3"; |
| qcom,msm_bus,num_cases = <2>; |
| qcom,msm_bus,active_only = <0>; |
| qcom,msm_bus,num_paths = <1>; |
| qcom,msm_bus,vectors = |
| <61 512 0 0>, |
| <61 512 240000000 960000000>; |
| dwc3@f9200000 { |
| compatible = "synopsys,dwc3"; |
| reg = <0xf9200000 0xfc000>; |
| interrupts = <0 131 0>, <0 179 0>; |
| interrupt-names = "irq", "otg_irq"; |
| tx-fifo-resize; |
| }; |
| }; |