Unverified Commit 18096d33 authored by Hector Martin's avatar Hector Martin Committed by Mark Brown
Browse files

spi: dt-bindings: apple,spi: Add binding for Apple SPI controllers 



The Apple SPI controller is present in SoCs such as the M1 (t8103) and
M1 Pro/Max (t600x). This controller uses one IRQ and one clock, and
doesn't need any special properties, so the binding is trivial.

Signed-off-by: default avatarHector Martin <marcan@marcan.st>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarNick Chan <towinchenmi@gmail.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarJanne Grunau <j@jannau.net>
Reviewed-by: default avatarMark Kettenis <kettenis@openbsd.org>
Link: https://patch.msgid.link/20241106-asahi-spi-v5-1-e81a4f3a8e19@jannau.net


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 270ddc23

Documentation/devicetree/bindings/spi/apple,spi.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/apple,spi.yaml#

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



title: Apple ARM SoC SPI controller



allOf:

  - $ref: spi-controller.yaml#



maintainers:

  - Hector Martin <marcan@marcan.st>



properties:

  compatible:

    items:

      - enum:

          - apple,t8103-spi

          - apple,t8112-spi

          - apple,t6000-spi

      - const: apple,spi



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  interrupts:

    maxItems: 1



  power-domains:

    maxItems: 1



required:

  - compatible

  - reg

  - clocks

  - interrupts



unevaluatedProperties: false



examples:

  - |

    #include <dt-bindings/interrupt-controller/apple-aic.h>

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



    soc {

      #address-cells = <2>;

      #size-cells = <2>;



      spi@39b104000 {

        compatible = "apple,t6000-spi", "apple,spi";

        reg = <0x3 0x9b104000 0x0 0x4000>;

        interrupt-parent = <&aic>;

        interrupts = <AIC_IRQ 0 1107 IRQ_TYPE_LEVEL_HIGH>;

        #address-cells = <1>;

        #size-cells = <0>;

        clocks = <&clk>;

      };

    };