1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mtd/nand-ch
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: NAND Chip Common Properties
8
9 maintainers:
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11
12 allOf:
13 - $ref: mtd.yaml#
14
15 description: |
16 This file covers the generic description of
17 bus interface should not be taken into accou
18 SPI-NAND devices are concerned by this descr
19
20 properties:
21 reg:
22 description:
23 Contains the chip-select IDs.
24
25 nand-ecc-engine:
26 description: |
27 A phandle on the hardware ECC engine if
28 basically three possibilities:
29 1/ The ECC engine is part of the NAND co
30 case the phandle should reference the pa
31 2/ The ECC engine is part of the NAND pa
32 case the phandle should reference the no
33 3/ The ECC engine is external, in this c
34 reference the specific ECC engine node.
35 $ref: /schemas/types.yaml#/definitions/pha
36
37 nand-use-soft-ecc-engine:
38 description: Use a software ECC engine.
39 type: boolean
40
41 nand-no-ecc-engine:
42 description: Do not use any ECC correction
43 type: boolean
44
45 nand-ecc-algo:
46 description:
47 Desired ECC algorithm.
48 $ref: /schemas/types.yaml#/definitions/str
49 enum: [hamming, bch, rs]
50
51 nand-ecc-strength:
52 description:
53 Maximum number of bits that can be corre
54 $ref: /schemas/types.yaml#/definitions/uin
55 minimum: 1
56
57 nand-ecc-step-size:
58 description:
59 Number of data bytes covered by a single
60 $ref: /schemas/types.yaml#/definitions/uin
61 minimum: 1
62
63 secure-regions:
64 description:
65 Regions in the NAND chip which are prote
66 like Trustzone. This property contains t
67 the secure regions present.
68 $ref: /schemas/types.yaml#/definitions/uin
69
70 required:
71 - reg
72
73 # This file can be referenced by more specific
74 additionalProperties: true
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