Unverified Commit 2da18730 authored by Conor Dooley's avatar Conor Dooley Committed by Mark Brown
Browse files

spi: add bindings for microchip mpfs spi 



Add device tree bindings for the {q,}spi controller on
the Microchip PolarFire SoC.

Signed-off-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220117110755.3433142-7-conor.dooley@microchip.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 66fda8bd

Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml

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+52 −0
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/microchip,mpfs-spi.yaml#

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



title: Microchip MPFS {Q,}SPI Controller Device Tree Bindings



maintainers:

  - Conor Dooley <conor.dooley@microchip.com>



allOf:

  - $ref: spi-controller.yaml#



properties:

  compatible:

    enum:

      - microchip,mpfs-spi

      - microchip,mpfs-qspi



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clock-names:

    maxItems: 1



  clocks:

    maxItems: 1



required:

  - compatible

  - reg

  - interrupts

  - clocks



unevaluatedProperties: false



examples:

  - |

    #include "dt-bindings/clock/microchip,mpfs-clock.h"

    spi@20108000 {

        compatible = "microchip,mpfs-spi";

        reg = <0x20108000 0x1000>;

        clocks = <&clkcfg CLK_SPI0>;

        interrupt-parent = <&plic>;

        interrupts = <54>;

        spi-max-frequency = <25000000>;

    };

...