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     1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/mtd/allwinner,sun4i-a10-nand.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A10 NAND Controller Device Tree Bindings
    8 
    9 allOf:
   10   - $ref: "nand-controller.yaml"
   11 
   12 maintainers:
   13   - Chen-Yu Tsai <wens@csie.org>
   14   - Maxime Ripard <mripard@kernel.org>
   15 
   16 properties:
   17   "#address-cells": true
   18   "#size-cells": true
   19 
   20   compatible:
   21     enum:
   22       - allwinner,sun4i-a10-nand
   23       - allwinner,sun8i-a23-nand-controller
   24   reg:
   25     maxItems: 1
   26 
   27   interrupts:
   28     maxItems: 1
   29 
   30   clocks:
   31     items:
   32       - description: Bus Clock
   33       - description: Module Clock
   34 
   35   clock-names:
   36     items:
   37       - const: ahb
   38       - const: mod
   39 
   40   resets:
   41     maxItems: 1
   42 
   43   reset-names:
   44     const: ahb
   45 
   46   dmas:
   47     maxItems: 1
   48 
   49   dma-names:
   50     const: rxtx
   51 
   52   pinctrl-names: true
   53 
   54 patternProperties:
   55   "^pinctrl-[0-9]+$": true
   56 
   57   "^nand@[a-f0-9]+$":
   58     type: object
   59     properties:
   60       reg:
   61         minimum: 0
   62         maximum: 7
   63 
   64       nand-ecc-mode: true
   65 
   66       nand-ecc-algo:
   67         const: bch
   68 
   69       nand-ecc-step-size:
   70         enum: [ 512, 1024 ]
   71 
   72       nand-ecc-strength:
   73         maximum: 80
   74 
   75       allwinner,rb:
   76         description:
   77           Contains the native Ready/Busy IDs.
   78         $ref: /schemas/types.yaml#/definitions/uint32-array
   79         minItems: 1
   80         maxItems: 2
   81         items:
   82           minimum: 0
   83           maximum: 1
   84 
   85     additionalProperties: false
   86 
   87 required:
   88   - compatible
   89   - reg
   90   - interrupts
   91   - clocks
   92   - clock-names
   93 
   94 additionalProperties: false
   95 
   96 ...
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