Documentation/devicetree/bindings/usb/qcom,usb-8x16-phy.txt

   1 Qualcomm's APQ8016/MSM8916 USB transceiver controller
   2
   3 - compatible:
   4     Usage: required
   5     Value type: <string>
   6     Definition: Should contain "qcom,usb-8x16-phy".
   7
   8 - reg:
   9     Usage: required
  10     Value type: <prop-encoded-array>
  11     Definition: USB PHY base address and length of the register map
  12
  13 - clocks:
  14     Usage: required
  15     Value type: <prop-encoded-array>
  16     Definition: See clock-bindings.txt section "consumers". List of
  17                 two clock specifiers for interface and core controller
  18                 clocks.
  19
  20 - clock-names:
  21     Usage: required
  22     Value type: <string>
  23     Definition: Must contain "iface" and "core" strings.
  24
  25 - vddcx-supply:
  26     Usage: required
  27     Value type: <phandle>
  28     Definition: phandle to the regulator VDCCX supply node.
  29
  30 - v1p8-supply:
  31     Usage: required
  32     Value type: <phandle>
  33     Definition: phandle to the regulator 1.8V supply node.
  34
  35 - v3p3-supply:
  36     Usage: required
  37     Value type: <phandle>
  38     Definition: phandle to the regulator 3.3V supply node.
  39
  40 - resets:
  41     Usage: required
  42     Value type: <prop-encoded-array>
  43     Definition: See reset.txt section "consumers". PHY reset specifier.
  44
  45 - reset-names:
  46     Usage: required
  47     Value type: <string>
  48     Definition: Must contain "phy" string.
  49
  50 - switch-gpio:
  51     Usage: optional
  52     Value type: <prop-encoded-array>
  53     Definition: Some boards are using Dual SPDT USB Switch, witch is
  54                 controlled by GPIO to de/multiplex D+/D- USB lines
  55                 between connectors.
  56
  57 Example:
  58         usb_phy: phy@78d9000 {
  59                 compatible = "qcom,usb-8x16-phy";
  60                 reg = <0x78d9000 0x400>;
  61
  62                 vddcx-supply = <&pm8916_s1_corner>;
  63                 v1p8-supply = <&pm8916_l7>;
  64                 v3p3-supply = <&pm8916_l13>;
  65
  66                 clocks = <&gcc GCC_USB_HS_AHB_CLK>,
  67                              <&gcc GCC_USB_HS_SYSTEM_CLK>;
  68                 clock-names = "iface", "core";
  69
  70                 resets = <&gcc GCC_USB2A_PHY_BCR>;
  71                 reset-names = "phy";
  72
  73                 // D+/D- lines: 1 - Routed to HUB, 0 - Device connector
  74                 switch-gpio = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>;
  75         };
  76