dt-bindings: mmc: Add Actions Semi SD/MMC/SDIO controller binding

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

%YAML 1.2

---

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

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

title: Actions Semi Owl SoCs SD/MMC/SDIO controller

allOf:

  - $ref: "mmc-controller.yaml"

maintainers:

  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

properties:

  compatible:

    const: actions,owl-mmc

  reg:

    maxItems: 1

  interrupts:

    maxItems: 1

  clocks:

    minItems: 1

  resets:

    maxItems: 1

  dmas:

    maxItems: 1

  dma-names:

    const: mmc

required:

  - compatible

  - reg

  - interrupts

  - clocks

  - resets

  - dmas

  - dma-names

examples:

  - |

    mmc0: mmc@e0330000 {

        compatible = "actions,owl-mmc";

        reg = <0x0 0xe0330000 0x0 0x4000>;

        interrupts = <0 42 4>;

        clocks = <&cmu 56>;

        resets = <&cmu 23>;

        dmas = <&dma 2>;

        dma-names = "mmc";

        bus-width = <4>;

    };

...