tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mtd/mtd.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MTD (Memory Technology Device)
8
9maintainers:
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Richard Weinberger <richard@nod.at>
12
13properties:
14 $nodename:
15 pattern: "^(flash|.*sram)(@.*)?$"
16
17 label:
18 description:
19 User-defined MTD device name. Can be used to assign user friendly
20 names to MTD devices (instead of the flash model or flash controller
21 based name) in order to ease flash device identification and/or
22 describe what they are used for.
23
24 '#address-cells':
25 deprecated: true
26
27 '#size-cells':
28 deprecated: true
29
30 partitions:
31 $ref: /schemas/mtd/partitions/partitions.yaml
32
33 required:
34 - compatible
35
36patternProperties:
37 "@[0-9a-f]+$":
38 $ref: partitions/partition.yaml
39 deprecated: true
40
41 "^partition@[0-9a-f]+":
42 $ref: partitions/partition.yaml
43 deprecated: true
44
45 "^otp(-[0-9]+)?$":
46 $ref: ../nvmem/nvmem.yaml#
47 unevaluatedProperties: false
48
49 description: |
50 An OTP memory region. Some flashes provide a one-time-programmable
51 memory whose content can either be programmed by a user or is already
52 pre-programmed by the factory. Some flashes might provide both.
53
54 properties:
55 compatible:
56 enum:
57 - user-otp
58 - factory-otp
59
60 required:
61 - compatible
62
63# This is a generic file other binding inherit from
64additionalProperties: true
65
66examples:
67 - |
68 spi {
69 #address-cells = <1>;
70 #size-cells = <0>;
71
72 flash@0 {
73 reg = <0>;
74 compatible = "jedec,spi-nor";
75 label = "System-firmware";
76 };
77 };
78
79 - |
80 spi {
81 #address-cells = <1>;
82 #size-cells = <0>;
83
84 flash@0 {
85 reg = <0>;
86 compatible = "jedec,spi-nor";
87
88 otp-1 {
89 compatible = "factory-otp";
90 #address-cells = <1>;
91 #size-cells = <1>;
92
93 electronic-serial-number@0 {
94 reg = <0 8>;
95 };
96 };
97
98 otp-2 {
99 compatible = "user-otp";
100 #address-cells = <1>;
101 #size-cells = <1>;
102
103 mac-address@0 {
104 reg = <0 6>;
105 };
106 };
107 };
108 };
109
110...