1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/mtd/mtd.yam 4 $id: http://devicetree.org/schemas/mtd/mtd.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: MTD (Memory Technology Device) 7 title: MTD (Memory Technology Device)
8 8
9 maintainers: 9 maintainers:
10 - Miquel Raynal <miquel.raynal@bootlin.com> 10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Richard Weinberger <richard@nod.at> 11 - Richard Weinberger <richard@nod.at>
12 12
13 select: false 13 select: false
14 14
15 properties: 15 properties:
16 $nodename: 16 $nodename:
17 pattern: "^(flash|.*sram|nand)(@.*)?$" 17 pattern: "^(flash|.*sram|nand)(@.*)?$"
18 18
19 label: 19 label:
20 description: 20 description:
21 User-defined MTD device name. Can be use 21 User-defined MTD device name. Can be used to assign user friendly
22 names to MTD devices (instead of the fla 22 names to MTD devices (instead of the flash model or flash controller
23 based name) in order to ease flash devic 23 based name) in order to ease flash device identification and/or
24 describe what they are used for. 24 describe what they are used for.
25 25
26 '#address-cells': 26 '#address-cells':
27 deprecated: true 27 deprecated: true
28 28
29 '#size-cells': 29 '#size-cells':
30 deprecated: true 30 deprecated: true
31 31
32 partitions: 32 partitions:
33 $ref: /schemas/mtd/partitions/partitions.y 33 $ref: /schemas/mtd/partitions/partitions.yaml
34 34
35 required: 35 required:
36 - compatible 36 - compatible
37 37
38 patternProperties: 38 patternProperties:
39 "@[0-9a-f]+$": 39 "@[0-9a-f]+$":
40 $ref: partitions/partition.yaml 40 $ref: partitions/partition.yaml
41 deprecated: true 41 deprecated: true
42 42
43 "^partition@[0-9a-f]+": 43 "^partition@[0-9a-f]+":
44 $ref: partitions/partition.yaml 44 $ref: partitions/partition.yaml
45 deprecated: true 45 deprecated: true
46 46
47 "^otp(-[0-9]+)?$": 47 "^otp(-[0-9]+)?$":
48 type: object 48 type: object
49 49
50 allOf: 50 allOf:
51 - $ref: /schemas/nvmem/nvmem.yaml# 51 - $ref: /schemas/nvmem/nvmem.yaml#
52 - $ref: /schemas/nvmem/nvmem-deprecated- 52 - $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml#
53 53
54 unevaluatedProperties: false 54 unevaluatedProperties: false
55 55
56 description: | 56 description: |
57 An OTP memory region. Some flashes provi 57 An OTP memory region. Some flashes provide a one-time-programmable
58 memory whose content can either be progr 58 memory whose content can either be programmed by a user or is already
59 pre-programmed by the factory. Some flas 59 pre-programmed by the factory. Some flashes might provide both.
60 60
61 properties: 61 properties:
62 compatible: 62 compatible:
63 enum: 63 enum:
64 - user-otp 64 - user-otp
65 - factory-otp 65 - factory-otp
66 66
67 required: 67 required:
68 - compatible 68 - compatible
69 69
70 # This is a generic file other binding inherit 70 # This is a generic file other binding inherit from
71 additionalProperties: true 71 additionalProperties: true
72 72
73 examples: 73 examples:
74 - | 74 - |
75 spi { 75 spi {
76 #address-cells = <1>; 76 #address-cells = <1>;
77 #size-cells = <0>; 77 #size-cells = <0>;
78 78
79 flash@0 { 79 flash@0 {
80 reg = <0>; 80 reg = <0>;
81 compatible = "jedec,spi-nor"; 81 compatible = "jedec,spi-nor";
82 label = "System-firmware"; 82 label = "System-firmware";
83 }; 83 };
84 }; 84 };
85 85
86 - | 86 - |
87 spi { 87 spi {
88 #address-cells = <1>; 88 #address-cells = <1>;
89 #size-cells = <0>; 89 #size-cells = <0>;
90 90
91 flash@0 { 91 flash@0 {
92 reg = <0>; 92 reg = <0>;
93 compatible = "jedec,spi-nor"; 93 compatible = "jedec,spi-nor";
94 94
95 otp-1 { 95 otp-1 {
96 compatible = "factory-otp"; 96 compatible = "factory-otp";
97 #address-cells = <1>; 97 #address-cells = <1>;
98 #size-cells = <1>; 98 #size-cells = <1>;
99 99
100 electronic-serial-number@0 { 100 electronic-serial-number@0 {
101 reg = <0 8>; 101 reg = <0 8>;
102 }; 102 };
103 }; 103 };
104 104
105 otp-2 { 105 otp-2 {
106 compatible = "user-otp"; 106 compatible = "user-otp";
107 #address-cells = <1>; 107 #address-cells = <1>;
108 #size-cells = <1>; 108 #size-cells = <1>;
109 109
110 mac-address@0 { 110 mac-address@0 {
111 reg = <0 6>; 111 reg = <0 6>;
112 }; 112 };
113 }; 113 };
114 }; 114 };
115 }; 115 };
116 116
117 ... 117 ...
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