Unverified Commit 44b91d61 authored by Fabrizio Castro's avatar Fabrizio Castro Committed by Mark Brown
Browse files

spi: dt-bindings: Document the RZ/V2H(P) RSPI 



Add dt-bindings for the RSPI IP found inside the Renesas RZ/V2H(P)
SoC.

Signed-off-by: default avatarFabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>

Link: https://patch.msgid.link/20250704162036.468765-2-fabrizio.castro.jz@renesas.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 89be9a83

Documentation/devicetree/bindings/spi/renesas,rzv2h-rspi.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/renesas,rzv2h-rspi.yaml#

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



title: Renesas RZ/V2H(P) Renesas Serial Peripheral Interface (RSPI)



maintainers:

  - Fabrizio Castro <fabrizio.castro.jz@renesas.com>



allOf:

  - $ref: spi-controller.yaml#



properties:

  compatible:

    const: renesas,r9a09g057-rspi # RZ/V2H(P)



  reg:

    maxItems: 1



  interrupts:

    items:

      - description: Idle Interrupt

      - description: Error Interrupt

      - description: Communication End Interrupt

      - description: Receive Buffer Full Interrupt

      - description: Transmit Buffer Empty Interrupt



  interrupt-names:

    items:

      - const: idle

      - const: error

      - const: end

      - const: rx

      - const: tx



  clocks:

    maxItems: 3



  clock-names:

    items:

      - const: pclk

      - const: pclk_sfr

      - const: tclk



  resets:

    maxItems: 2



  reset-names:

    items:

      - const: presetn

      - const: tresetn



  power-domains:

    maxItems: 1



required:

  - compatible

  - reg

  - interrupts

  - interrupt-names

  - clocks

  - clock-names

  - resets

  - reset-names

  - power-domains

  - '#address-cells'

  - '#size-cells'



unevaluatedProperties: false



examples:

  - |

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

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

    spi@12800800 {

        compatible = "renesas,r9a09g057-rspi";



        reg = <0x12800800 0x400>;

        interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,

                     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,

                     <GIC_SPI 113 IRQ_TYPE_EDGE_RISING>,

                     <GIC_SPI 504 IRQ_TYPE_EDGE_RISING>,

                     <GIC_SPI 505 IRQ_TYPE_EDGE_RISING>;

        interrupt-names = "idle", "error", "end", "rx", "tx";

        clocks = <&cpg CPG_MOD 0x5a>,

                 <&cpg CPG_MOD 0x5b>,

                 <&cpg CPG_MOD 0x5c>;

        clock-names = "pclk", "pclk_sfr", "tclk";

        resets = <&cpg 0x7f>, <&cpg 0x80>;

        reset-names = "presetn", "tresetn";

        power-domains = <&cpg>;

        #address-cells = <1>;

        #size-cells = <0>;

    };