Commit dd0d2618 authored by Biju Das's avatar Biju Das Committed by Greg Kroah-Hartman
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dt-bindings: usb: Document Renesas RZ/G3E USB3HOST 



Document the Renesas RZ/G3E USB3.2 Gen2 Host Controller (a.k.a USB3HOST).
The USB3HOST is compliant with the Universal Serial Bus 3.2 Specification
Revision 1.0.
 - Supports 1 downstream USB receptacles
     - Number of SSP Gen2 or SS ports: 1
     - Number of HS or FS or LS ports: 1
 - Supports Super Speed Plus Gen2x1 (10 Gbps), Super Speed (5 Gbps),
   High Speed (480 Mbps), Full Speed (12Mbps), and Low Speed (1.5 Mbps).
 - Supports all transfer-types: Control, Bulk, Interrupt, Isochronous, and
   these split-transactions.
 - Supports Power Control and Over Current Detection.

Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20250916150255.4231-4-biju.das.jz@bp.renesas.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cfd6f1a7

Documentation/devicetree/bindings/usb/renesas,rzg3e-xhci.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/usb/renesas,rzg3e-xhci.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Renesas RZ/G3E USB 3.2 Gen2 Host controller



maintainers:

  - Biju Das <biju.das.jz@bp.renesas.com>



properties:

  compatible:

    const: renesas,r9a09g047-xhci



  reg:

    maxItems: 1



  interrupts:

    items:

      - description: Logical OR of all interrupt signals.

      - description: System management interrupt

      - description: Host system error interrupt

      - description: Power management event interrupt

      - description: xHC interrupt



  interrupt-names:

    items:

      - const: all

      - const: smi

      - const: hse

      - const: pme

      - const: xhc



  clocks:

    maxItems: 1



  phys:

    maxItems: 2



  phy-names:

    items:

      - const: usb2-phy

      - const: usb3-phy



  power-domains:

    maxItems: 1



  resets:

    maxItems: 1



required:

  - compatible

  - reg

  - interrupts

  - interrupt-names

  - clocks

  - power-domains

  - resets

  - phys

  - phy-names



allOf:

  - $ref: usb-xhci.yaml



additionalProperties: false



examples:

  - |

    #include <dt-bindings/clock/renesas,r9a09g047-cpg.h>

    #include <dt-bindings/interrupt-controller/arm-gic.h>



    usb@15850000 {

      compatible = "renesas,r9a09g047-xhci";

      reg = <0x15850000 0x10000>;

      interrupts = <GIC_SPI 759 IRQ_TYPE_LEVEL_HIGH>,

                   <GIC_SPI 758 IRQ_TYPE_LEVEL_HIGH>,

                   <GIC_SPI 757 IRQ_TYPE_LEVEL_HIGH>,

                   <GIC_SPI 756 IRQ_TYPE_LEVEL_HIGH>,

                   <GIC_SPI 755 IRQ_TYPE_LEVEL_HIGH>;

      interrupt-names = "all", "smi", "hse", "pme", "xhc";

      clocks = <&cpg CPG_MOD 0xaf>;

      power-domains = <&cpg>;

      resets = <&cpg 0xaa>;

      phys = <&usb3_phy>, <&usb3_phy>;

      phy-names = "usb2-phy", "usb3-phy";

    };