Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/qcom,snps-eusb2-repeater.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm Synopsis eUSB2 to USB 2.0 repeater
   8
   9 maintainers:
  10   - Abel Vesa <abel.vesa@linaro.org>
  11
  12 description:
  13   eUSB2 repeater converts between eUSB2 and USB 2.0 signaling levels and
  14   allows a eUSB2 PHY to connect to legacy USB 2.0 products
  15
  16 properties:
  17   compatible:
  18     oneOf:
  19       - items:
  20           - enum:
  21               - qcom,pm7550ba-eusb2-repeater
  22           - const: qcom,pm8550b-eusb2-repeater
  23       - const: qcom,pm8550b-eusb2-repeater
  24
  25   reg:
  26     maxItems: 1
  27
  28   "#phy-cells":
  29     const: 0
  30
  31   vdd18-supply: true
  32
  33   vdd3-supply: true
  34
  35   qcom,tune-usb2-disc-thres:
  36     $ref: /schemas/types.yaml#/definitions/uint8
  37     description: High-Speed disconnect threshold
  38     minimum: 0
  39     maximum: 7
  40     default: 0
  41
  42   qcom,tune-usb2-amplitude:
  43     $ref: /schemas/types.yaml#/definitions/uint8
  44     description: High-Speed trasmit amplitude
  45     minimum: 0
  46     maximum: 15
  47     default: 8
  48
  49   qcom,tune-usb2-preem:
  50     $ref: /schemas/types.yaml#/definitions/uint8
  51     description: High-Speed TX pre-emphasis tuning
  52     minimum: 0
  53     maximum: 7
  54     default: 5
  55
  56 required:
  57   - compatible
  58   - reg
  59   - "#phy-cells"
  60
  61 additionalProperties: false
  62
  63 examples:
  64   - |
  65     #include <dt-bindings/spmi/spmi.h>
  66
  67     pmic@7 {
  68       reg = <0x7 SPMI_USID>;
  69       #address-cells = <1>;
  70       #size-cells = <0>;
  71
  72       pm8550b_eusb2_repeater: phy@fd00 {
  73         compatible = "qcom,pm8550b-eusb2-repeater";
  74         reg = <0xfd00>;
  75         #phy-cells = <0>;
  76       };
  77     };
  78 ...