1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mtd/nand-co
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: NAND Controller Common Properties
8
9 maintainers:
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Richard Weinberger <richard@nod.at>
12
13 description: |
14 The NAND controller should be represented wi
15 all NAND chips attached to this controller s
16 children nodes of the NAND controller. This
17 enforced even for simple controllers support
18
19 properties:
20 $nodename:
21 pattern: "^nand-controller(@.*)?"
22
23 "#address-cells":
24 const: 1
25
26 "#size-cells":
27 const: 0
28
29 ranges: true
30
31 cs-gpios:
32 description:
33 Array of chip-select available to the co
34 entries are a 1:1 mapping of the availab
35 NAND controller (even if they are not us
36 chip-select as needed may follow and sho
37 lines. 'reg' entries of the NAND chip su
38 this array when this property is present
39 minItems: 1
40 maxItems: 8
41
42 patternProperties:
43 "^nand@[a-f0-9]$":
44 type: object
45 $ref: raw-nand-chip.yaml#
46
47 required:
48 - "#address-cells"
49 - "#size-cells"
50
51 # This is a generic file other binding inherit
52 additionalProperties: true
53
54 examples:
55 - |
56 nand-controller {
57 #address-cells = <1>;
58 #size-cells = <0>;
59 cs-gpios = <0>, <&gpioA 1>; /* A single
60
61 /* controller specific properties */
62
63 nand@0 {
64 reg = <0>; /* Native CS */
65 /* NAND chip specific properties */
66 };
67
68 nand@1 {
69 reg = <1>; /* GPIO CS */
70 };
71 };
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