hc
2023-05-26 a23f51ed7a39e452c1037343a84d7db1ca2c5bd7
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Qualcomm's APQ8016/MSM8916 USB transceiver controller
 
- compatible:
    Usage: required
    Value type: <string>
    Definition: Should contain "qcom,usb-8x16-phy".
 
- reg:
    Usage: required
    Value type: <prop-encoded-array>
    Definition: USB PHY base address and length of the register map
 
- clocks:
    Usage: required
    Value type: <prop-encoded-array>
    Definition: See clock-bindings.txt section "consumers". List of
                two clock specifiers for interface and core controller
                clocks.
 
- clock-names:
    Usage: required
    Value type: <string>
    Definition: Must contain "iface" and "core" strings.
 
- vddcx-supply:
    Usage: required
    Value type: <phandle>
    Definition: phandle to the regulator VDCCX supply node.
 
- v1p8-supply:
    Usage: required
    Value type: <phandle>
    Definition: phandle to the regulator 1.8V supply node.
 
- v3p3-supply:
    Usage: required
    Value type: <phandle>
    Definition: phandle to the regulator 3.3V supply node.
 
- resets:
    Usage: required
    Value type: <prop-encoded-array>
    Definition: See reset.txt section "consumers". PHY reset specifier.
 
- reset-names:
    Usage: required
    Value type: <string>
    Definition: Must contain "phy" string.
 
- switch-gpio:
    Usage: optional
    Value type: <prop-encoded-array>
    Definition: Some boards are using Dual SPDT USB Switch, witch is
                controlled by GPIO to de/multiplex D+/D- USB lines
                between connectors.
 
Example:
   usb_phy: phy@78d9000 {
       compatible = "qcom,usb-8x16-phy";
       reg = <0x78d9000 0x400>;
 
       vddcx-supply = <&pm8916_s1_corner>;
       v1p8-supply = <&pm8916_l7>;
       v3p3-supply = <&pm8916_l13>;
 
       clocks = <&gcc GCC_USB_HS_AHB_CLK>,
                <&gcc GCC_USB_HS_SYSTEM_CLK>;
       clock-names = "iface", "core";
 
       resets = <&gcc GCC_USB2A_PHY_BCR>;
       reset-names = "phy";
 
       // D+/D- lines: 1 - Routed to HUB, 0 - Device connector
       switch-gpio = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>;
   };