dt-bindings: mtd: Add Nand Flash Controller support for Intel LGM SoC

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/mtd/intel,lgm-nand.yaml#

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

title: Intel LGM SoC NAND Controller Device Tree Bindings

allOf:

  - $ref: "nand-controller.yaml"

maintainers:

  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>

properties:

  compatible:

    const: intel,lgm-nand

  reg:

    maxItems: 6

  reg-names:

    items:

      - const: ebunand

      - const: hsnand

      - const: nand_cs0

      - const: nand_cs1

      - const: addr_sel0

      - const: addr_sel1

  clocks:

    maxItems: 1

  dmas:

    maxItems: 2

  dma-names:

    items:

      - const: tx

      - const: rx

  "#address-cells":

    const: 1

  "#size-cells":

    const: 0

patternProperties:

  "^nand@[a-f0-9]+$":

    type: object

    properties:

      reg:

        minimum: 0

        maximum: 7

      nand-ecc-mode: true

      nand-ecc-algo:

        const: hw

    additionalProperties: false

required:

  - compatible

  - reg

  - reg-names

  - clocks

  - dmas

  - dma-names

  - "#address-cells"

  - "#size-cells"

additionalProperties: false

examples:

  - |

    nand-controller@e0f00000 {

      compatible = "intel,lgm-nand";

      reg = <0xe0f00000 0x100>,

            <0xe1000000 0x300>,

            <0xe1400000 0x8000>,

            <0xe1c00000 0x1000>,

            <0x17400000 0x4>,

            <0x17c00000 0x4>;

      reg-names = "ebunand", "hsnand", "nand_cs0", "nand_cs1",

        "addr_sel0", "addr_sel1";

      clocks = <&cgu0 125>;

      dmas = <&dma0 8>, <&dma0 9>;

      dma-names = "tx", "rx";

      #address-cells = <1>;

      #size-cells = <0>;

      nand@0 {

        reg = <0>;

        nand-ecc-mode = "hw";

      };

    };

...