Commit b833f3de authored by Neil Armstrong's avatar Neil Armstrong Committed by Ulf Hansson
Browse files

dt-bindings: mmc: document mmc-slot 



Document the mmc-slot, which is a subnode of a multi-slot
MMC controller, each slot is represented as a full MMC controller,
the top node handling all the shared resources and slot mux.

Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Message-ID: <20241128-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-v4-4-11d9f9200a59@linaro.org>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent b55a9f72

Documentation/devicetree/bindings/mmc/mmc-slot.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/mmc/mmc-slot.yaml#

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



title: MMC slot properties



maintainers:

  - Ulf Hansson <ulf.hansson@linaro.org>



description:

  These properties defines slot properties for MMC controlers that

  have multiple slots or ports provided by the same controller and

  sharing the same resources.



$ref: mmc-controller-common.yaml#



properties:

  $nodename:

    pattern: "^slot(@.*)?$"



  compatible:

    const: mmc-slot



  reg:

    description:

      the slot (or "port") ID

    maxItems: 1



required:

  - compatible

  - reg



unevaluatedProperties: false



examples:

  - |

    mmc {

      #address-cells = <1>;

      #size-cells = <0>;

      slot@0 {

        compatible = "mmc-slot";

        reg = <0>;

        bus-width = <4>;

      };

    };



...