Unverified Commit 060bbd65 authored by Eddie James's avatar Eddie James Committed by Mark Brown
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spi: dt-bindings: Document the IBM FSI-attached SPI controller 



IBM Power processors have a SPI controller that can be accessed
over FSI from a service processor. Document it.

Signed-off-by: default avatarEddie James <eajames@linux.ibm.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240514192630.152747-1-eajames@linux.ibm.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a71b7845

Documentation/devicetree/bindings/spi/ibm,spi-fsi.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/ibm,spi-fsi.yaml#

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



title: IBM FSI-attached SPI Controller



maintainers:

  - Eddie James <eajames@linux.ibm.com>



description:

  A SPI controller found on IBM Power processors, accessed over FSI from a

  service processor. This node will always be a child node of an ibm,fsi2spi

  node.



properties:

  compatible:

    enum:

      - ibm,spi-fsi



  reg:

    maxItems: 1



required:

  - compatible

  - reg



allOf:

  - $ref: spi-controller.yaml#



unevaluatedProperties: false



examples:

  - |

    fsi {

        #address-cells = <1>;

        #size-cells = <0>;



        spi@0 {

            compatible = "ibm,spi-fsi";

            reg = <0>;

            #address-cells = <1>;

            #size-cells = <0>;



            eeprom@0 {

                compatible = "atmel,at25";

                reg = <0>;

                size = <0x80000>;

                address-width = <24>;

                pagesize = <256>;

                spi-max-frequency = <1000000>;

            };

        };

    };