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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/phy/renesas,usb2-phy.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas R-Car generation 3 USB 2.0 PHY
    8 
    9 maintainers:
   10   - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - items:
   16           - const: renesas,usb2-phy-r8a77470 # RZ/G1C
   17 
   18       - items:
   19           - enum:
   20               - renesas,usb2-phy-r7s9210  # RZ/A2
   21               - renesas,usb2-phy-r8a774a1 # RZ/G2M
   22               - renesas,usb2-phy-r8a774b1 # RZ/G2N
   23               - renesas,usb2-phy-r8a774c0 # RZ/G2E
   24               - renesas,usb2-phy-r8a774e1 # RZ/G2H
   25               - renesas,usb2-phy-r8a7795  # R-Car H3
   26               - renesas,usb2-phy-r8a7796  # R-Car M3-W
   27               - renesas,usb2-phy-r8a77961 # R-Car M3-W+
   28               - renesas,usb2-phy-r8a77965 # R-Car M3-N
   29               - renesas,usb2-phy-r8a77990 # R-Car E3
   30               - renesas,usb2-phy-r8a77995 # R-Car D3
   31           - const: renesas,rcar-gen3-usb2-phy
   32 
   33       - items:
   34           - enum:
   35               - renesas,usb2-phy-r9a07g043 # RZ/G2UL
   36               - renesas,usb2-phy-r9a07g044 # RZ/G2{L,LC}
   37               - renesas,usb2-phy-r9a07g054 # RZ/V2L
   38           - const: renesas,rzg2l-usb2-phy
   39 
   40   reg:
   41     maxItems: 1
   42 
   43   clocks:
   44     minItems: 1
   45     maxItems: 2
   46 
   47   clock-names:
   48     minItems: 1
   49     items:
   50       - const: fck
   51       - const: usb_x1
   52 
   53   '#phy-cells':
   54     enum: [0, 1]  # and 0 is deprecated.
   55     description: |
   56       The phandle's argument in the PHY specifier is the INT_STATUS bit of
   57       controller.
   58       - 1 = USBH_INTA (OHCI)
   59       - 2 = USBH_INTB (EHCI)
   60       - 3 = UCOM_INT (OTG and BC)
   61 
   62   interrupts:
   63     maxItems: 1
   64 
   65   power-domains:
   66     maxItems: 1
   67 
   68   resets:
   69     minItems: 1
   70     items:
   71       - description: reset of USB 2.0 host side
   72       - description: reset of USB 2.0 peripheral side
   73 
   74   vbus-supply:
   75     description: |
   76       Phandle to a regulator that provides power to the VBUS. This regulator
   77       will be managed during the PHY power on/off sequence.
   78 
   79   renesas,no-otg-pins:
   80     $ref: /schemas/types.yaml#/definitions/flag
   81     description: |
   82       specify when a board does not provide proper otg pins.
   83 
   84   dr_mode: true
   85 
   86 if:
   87   properties:
   88     compatible:
   89       contains:
   90         const: renesas,usb2-phy-r7s9210
   91 then:
   92   required:
   93     - clock-names
   94 
   95 required:
   96   - compatible
   97   - reg
   98   - clocks
   99   - '#phy-cells'
  100 
  101 allOf:
  102   - if:
  103       properties:
  104         compatible:
  105           contains:
  106             const: renesas,rzg2l-usb2-phy
  107     then:
  108       required:
  109         - resets
  110 
  111 additionalProperties: false
  112 
  113 examples:
  114   - |
  115     #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
  116     #include <dt-bindings/interrupt-controller/arm-gic.h>
  117     #include <dt-bindings/power/r8a7795-sysc.h>
  118 
  119     usb-phy@ee080200 {
  120         compatible = "renesas,usb2-phy-r8a7795", "renesas,rcar-gen3-usb2-phy";
  121         reg = <0xee080200 0x700>;
  122         interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
  123         clocks = <&cpg CPG_MOD 703>;
  124         #phy-cells = <1>;
  125     };
  126 
  127     usb-phy@ee0a0200 {
  128         compatible = "renesas,usb2-phy-r8a7795", "renesas,rcar-gen3-usb2-phy";
  129         reg = <0xee0a0200 0x700>;
  130         clocks = <&cpg CPG_MOD 702>;
  131         #phy-cells = <1>;
  132     };
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