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
48 description: |
49 An OTP memory region. Some flashes provide a one-time-programmable
50 memory whose content can either be programmed by a user or is already
51 pre-programmed by the factory. Some flashes might provide both.
52
53 properties:
54 compatible:
55 enum:
56 - user-otp
57 - factory-otp
58
59 required:
60 - compatible
61
62# This is a generic file other binding inherit from
63additionalProperties: true
64
65examples:
66 - |
67 spi {
68 #address-cells = <1>;
69 #size-cells = <0>;
70
71 flash@0 {
72 reg = <0>;
73 compatible = "jedec,spi-nor";
74 label = "System-firmware";
75 };
76 };
77
78 - |
79 spi {
80 #address-cells = <1>;
81 #size-cells = <0>;
82
83 flash@0 {
84 reg = <0>;
85 compatible = "jedec,spi-nor";
86
87 otp-1 {
88 compatible = "factory-otp";
89 #address-cells = <1>;
90 #size-cells = <1>;
91
92 electronic-serial-number@0 {
93 reg = <0 8>;
94 };
95 };
96
97 otp-2 {
98 compatible = "user-otp";
99 #address-cells = <1>;
100 #size-cells = <1>;
101
102 mac-address@0 {
103 reg = <0 6>;
104 };
105 };
106 };
107 };
108
109...