Documentation/devicetree/bindings/phy/sunplus,sp7021-usb2-phy.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 # Copyright (C) Sunplus Co., Ltd. 2021
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/phy/sunplus,sp7021-usb2-phy.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Sunplus SP7021 USB 2.0 PHY Controller
   9
  10 maintainers:
  11   - Vincent Shih <vincent.sunplus@gmail.com>
  12
  13 properties:
  14   compatible:
  15     const: sunplus,sp7021-usb2-phy
  16
  17   reg:
  18     items:
  19       - description: UPHY register region
  20       - description: MOON4 register region
  21
  22   reg-names:
  23     items:
  24       - const: phy
  25       - const: moon4
  26
  27   clocks:
  28     maxItems: 1
  29
  30   resets:
  31     maxItems: 1
  32
  33   "#phy-cells":
  34     const: 0
  35
  36   nvmem-cell-names:
  37     description: names corresponding to the nvmem cells of disconnect voltage
  38     const: disc_vol
  39
  40   nvmem-cells:
  41     description: nvmem cell address of disconnect voltage
  42     maxItems: 1
  43
  44   sunplus,disc-vol-addr-off:
  45     $ref: /schemas/types.yaml#/definitions/uint32
  46     description: the otp address offset of disconnect voltage
  47
  48 required:
  49   - compatible
  50   - reg
  51   - reg-names
  52   - clocks
  53   - resets
  54   - "#phy-cells"
  55   - nvmem-cell-names
  56   - nvmem-cells
  57   - sunplus,disc-vol-addr-off
  58
  59 additionalProperties: false
  60
  61 examples:
  62   - |
  63     sp_uphy0: usb-phy@9c004a80 {
  64       compatible = "sunplus,sp7021-usb2-phy";
  65       reg = <0x9c004a80 0x80>, <0x9c000248 0x10>;
  66       reg-names = "phy", "moon4";
  67       clocks = <&clkc 0x3d>;
  68       resets = <&rstc 0x2d>;
  69       #phy-cells = <0>;
  70       nvmem-cell-names = "disc_vol";
  71       nvmem-cells = <&disc_vol>;
  72       sunplus,disc-vol-addr-off = <0>;
  73     };