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
7title: Allwinner A10 NAND Controller Device Tree Bindings
8
9allOf:
10  - $ref: "nand-controller.yaml"
11
12maintainers:
13  - Chen-Yu Tsai <wens@csie.org>
14  - Maxime Ripard <maxime.ripard@bootlin.com>
15
16properties:
17  "#address-cells": true
18  "#size-cells": true
19
20  compatible:
21    enum:
22      - allwinner,sun4i-a10-nand
23      - allwinner,sun8i-a23-nand-controller
24  reg:
25    maxItems: 1
26
27  interrupts:
28    maxItems: 1
29
30  clocks:
31    items:
32      - description: Bus Clock
33      - description: Module Clock
34
35  clock-names:
36    items:
37      - const: ahb
38      - const: mod
39
40  resets:
41    maxItems: 1
42
43  reset-names:
44    const: ahb
45
46  dmas:
47    maxItems: 1
48
49  dma-names:
50    const: rxtx
51
52  pinctrl-names: true
53
54patternProperties:
55  "^pinctrl-[0-9]+$": 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        allOf:
79          - $ref: /schemas/types.yaml#/definitions/uint32-array
80          - minItems: 1
81            maxItems: 2
82            items:
83              minimum: 0
84              maximum: 1
85
86    additionalProperties: false
87
88required:
89  - compatible
90  - reg
91  - interrupts
92  - clocks
93  - clock-names
94
95additionalProperties: false
96
97...
98