Binding description for Qualcomm's 1.0.0 SuperSpeed phy controller embedded in QCS404. Based on Sriharsha Allenki's <sallenki@xxxxxxxxxxxxxx> original definitions. Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@xxxxxxxxxx> --- .../bindings/usb/qcom,usb-ssphy.txt | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt diff --git a/Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt b/Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt new file mode 100644 index 000000000000..83748a07d665 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/qcom,usb-ssphy.txt @@ -0,0 +1,74 @@ +Qualcomm Synopsys 1.0.0 SS phy controller +=========================================== + +Qualcomm 1.0.0 SS phy controller supports SuperSpeed USB connectivity on +some Qualcomm platforms. + +Required properties: + +- compatible: + Value type: <string> + Definition: Should contain "qcom,usb-ssphy". + +- reg: + Value type: <prop-encoded-array> + Definition: USB PHY base address and length of the register map. + +- #phy-cells: + Value type: <u32> + Definition: Should be 0. See phy/phy-bindings.txt for details. + +- clocks: + Value type: <prop-encoded-array> + Definition: See clock-bindings.txt section "consumers". List of + three clock specifiers for reference, phy core and + pipe clocks. + +- clock-names: + Value type: <string> + Definition: Names of the clocks in 1-1 correspondence with the "clocks" + property. Must contain "ref", "phy" and "pipe". + +- vdd-supply: + Value type: <phandle> + Definition: phandle to the regulator VDD supply node. + +- vdda1p8-supply: + Value type: <phandle> + Definition: phandle to the regulator 1.8V supply node. + + +Optional child nodes: + +- vbus-supply: + Value type: <phandle> + Definition: phandle to the VBUS supply node. + +- resets: + Value type: <prop-encoded-array> + Definition: See reset.txt section "consumers". PHY reset specifiers + for phy core and COR resets. + +- reset-names: + Value type: <string> + Definition: Names of the resets in 1-1 correspondence with the "resets" + property. Must contain "com" and "phy" if the property is + specified. + +Example: + +usb3_phy: phy@78000 { + compatible = "qcom,usb-ssphy"; + reg = <0x78000 0x400>; + #phy-cells = <0>; + clocks = <&rpmcc RPM_SMD_LN_BB_CLK>, + <&gcc GCC_USB_HS_PHY_CFG_AHB_CLK>, + <&gcc GCC_USB3_PHY_PIPE_CLK>; + clock-names = "ref", "phy", "pipe"; + resets = <&gcc GCC_USB3_PHY_BCR>, + <&gcc GCC_USB3PHY_PHY_BCR>; + reset-names = "com", "phy"; + vdd-supply = <&vreg_l3_1p05>; + vdda1p8-supply = <&vreg_l5_1p8>; + vbus-supply = <&usb3_vbus_reg>; +}; -- 2.20.1