Commit 0b1ae648 authored by Binbin Zhou's avatar Binbin Zhou Committed by Miquel Raynal
Browse files

dt-bindings: mtd: loongson,ls1b-nand-controller: Document the Loongson-2K1000 NAND controller 



Add new compatible for the Loongson-2K NAND controller used for
Loongson-2K1000 SoC.

Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent e55bbdd4

Documentation/devicetree/bindings/mtd/loongson,ls1b-nand-controller.yaml

+49 −1
Original line number Diff line number Diff line
@@ -26,18 +26,22 @@ properties: 
          - loongson,ls1b-nand-controller

          - loongson,ls1c-nand-controller

          - loongson,ls2k0500-nand-controller

          - loongson,ls2k1000-nand-controller

      - items:

          - enum:

              - loongson,ls1a-nand-controller

          - const: loongson,ls1b-nand-controller



  reg:

    maxItems: 2

    minItems: 2

    maxItems: 3



  reg-names:

    minItems: 2

    items:

      - const: nand

      - const: nand-dma

      - const: dma-config



  dmas:

    maxItems: 1
@@ -54,6 +58,27 @@ required: 


unevaluatedProperties: false



if:

  properties:

    compatible:

      contains:

        enum:

          - loongson,ls2k1000-nand-controller



then:

  properties:

    reg:

      minItems: 3

    reg-names:

      minItems: 3



else:

  properties:

    reg:

      maxItems: 2

    reg-names:

      maxItems: 2



examples:

  - |

    nand-controller@1fe78000 {
@@ -72,3 +97,26 @@ examples: 
            nand-ecc-algo = "hamming";

        };

    };



  - |

    nand-controller@1fe26000 {

        compatible = "loongson,ls2k1000-nand-controller";

        reg = <0x1fe26000 0x24>,

              <0x1fe26040 0x4>,

              <0x1fe00438 0x8>;

        reg-names = "nand", "nand-dma", "dma-config";

        dmas = <&apbdma0 0>;

        dma-names = "rxtx";



        #address-cells = <1>;

        #size-cells = <0>;



        nand@0 {

            reg = <0>;

            label = "ls2k1000-nand";

            nand-use-soft-ecc-engine;

            nand-ecc-algo = "bch";

            nand-ecc-strength = <8>;

            nand-ecc-step-size = <512>;

        };

    };