1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/mtd/partiti 4 $id: http://devicetree.org/schemas/mtd/partitions/fixed-partitions.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Fixed partitions 7 title: Fixed partitions
8 8
9 description: | 9 description: |
10 This binding can be used on platforms which 10 This binding can be used on platforms which have strong conventions about
11 which portions of a flash are used for what 11 which portions of a flash are used for what purposes, but which don't use an
12 on-flash partition table such as RedBoot. 12 on-flash partition table such as RedBoot.
13 13
14 The partition table should be a node named " 14 The partition table should be a node named "partitions". Partitions are then
15 defined as subnodes. 15 defined as subnodes.
16 16
17 maintainers: 17 maintainers:
18 - Rafał Miłecki <rafal@milecki.pl> 18 - Rafał Miłecki <rafal@milecki.pl>
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 oneOf: 22 oneOf:
23 - const: fixed-partitions 23 - const: fixed-partitions
24 - items: 24 - items:
25 - const: sercomm,sc-partitions 25 - const: sercomm,sc-partitions
26 - const: fixed-partitions 26 - const: fixed-partitions
27 27
28 "#address-cells": true 28 "#address-cells": true
29 29
30 "#size-cells": true 30 "#size-cells": true
31 31
32 compression: 32 compression:
33 $ref: /schemas/types.yaml#/definitions/str 33 $ref: /schemas/types.yaml#/definitions/string
34 description: | 34 description: |
35 Compression algorithm used to store the 35 Compression algorithm used to store the data in this partition, chosen
36 from a list of well-known algorithms. 36 from a list of well-known algorithms.
37 37
38 The contents are compressed using this a 38 The contents are compressed using this algorithm.
39 39
40 enum: 40 enum:
41 - none 41 - none
42 - bzip2 42 - bzip2
43 - gzip 43 - gzip
44 - lzop 44 - lzop
45 - lz4 45 - lz4
46 - lzma 46 - lzma
47 - xz 47 - xz
48 - zstd 48 - zstd
49 49
50 patternProperties: 50 patternProperties:
51 "@[0-9a-f]+$": 51 "@[0-9a-f]+$":
52 $ref: partition.yaml# 52 $ref: partition.yaml#
53 53
54 properties: 54 properties:
55 sercomm,scpart-id: 55 sercomm,scpart-id:
56 description: Partition id in Sercomm p 56 description: Partition id in Sercomm partition map. Mtd parser
57 uses this id to find a record in the 57 uses this id to find a record in the partition map containing
58 offset and size of the current parti 58 offset and size of the current partition. The values from
59 partition map overrides partition of 59 partition map overrides partition offset and size defined in
60 reg property of the dts. Frequently 60 reg property of the dts. Frequently these values are the same,
61 but may differ if device has bad era 61 but may differ if device has bad eraseblocks on a flash.
62 $ref: /schemas/types.yaml#/definitions 62 $ref: /schemas/types.yaml#/definitions/uint32
63 63
64 required: 64 required:
65 - "#address-cells" 65 - "#address-cells"
66 - "#size-cells" 66 - "#size-cells"
67 67
68 additionalProperties: true 68 additionalProperties: true
69 69
70 examples: 70 examples:
71 - | 71 - |
72 partitions { 72 partitions {
73 compatible = "fixed-partitions"; 73 compatible = "fixed-partitions";
74 #address-cells = <1>; 74 #address-cells = <1>;
75 #size-cells = <1>; 75 #size-cells = <1>;
76 76
77 partition@0 { 77 partition@0 {
78 label = "u-boot"; 78 label = "u-boot";
79 reg = <0x0000000 0x100000>; 79 reg = <0x0000000 0x100000>;
80 read-only; 80 read-only;
81 }; 81 };
82 82
83 uimage@100000 { 83 uimage@100000 {
84 reg = <0x0100000 0x200000>; 84 reg = <0x0100000 0x200000>;
85 compress = "lzma"; 85 compress = "lzma";
86 }; 86 };
87 }; 87 };
88 88
89 - | 89 - |
90 partitions { 90 partitions {
91 compatible = "fixed-partitions"; 91 compatible = "fixed-partitions";
92 #address-cells = <1>; 92 #address-cells = <1>;
93 #size-cells = <2>; 93 #size-cells = <2>;
94 94
95 /* a 4 GiB partition */ 95 /* a 4 GiB partition */
96 partition@0 { 96 partition@0 {
97 label = "filesystem"; 97 label = "filesystem";
98 reg = <0x00000000 0x1 0x00000000>; 98 reg = <0x00000000 0x1 0x00000000>;
99 linux,rootfs; 99 linux,rootfs;
100 }; 100 };
101 }; 101 };
102 102
103 - | 103 - |
104 partitions { 104 partitions {
105 compatible = "fixed-partitions"; 105 compatible = "fixed-partitions";
106 #address-cells = <2>; 106 #address-cells = <2>;
107 #size-cells = <2>; 107 #size-cells = <2>;
108 108
109 /* an 8 GiB partition */ 109 /* an 8 GiB partition */
110 partition@0 { 110 partition@0 {
111 label = "filesystem #1"; 111 label = "filesystem #1";
112 reg = <0x0 0x00000000 0x2 0x000000 112 reg = <0x0 0x00000000 0x2 0x00000000>;
113 }; 113 };
114 114
115 /* a 4 GiB partition */ 115 /* a 4 GiB partition */
116 partition@200000000 { 116 partition@200000000 {
117 label = "filesystem #2"; 117 label = "filesystem #2";
118 reg = <0x2 0x00000000 0x1 0x000000 118 reg = <0x2 0x00000000 0x1 0x00000000>;
119 }; 119 };
120 }; 120 };
121 121
122 - | 122 - |
123 partitions { 123 partitions {
124 compatible = "fixed-partitions"; 124 compatible = "fixed-partitions";
125 #address-cells = <1>; 125 #address-cells = <1>;
126 #size-cells = <1>; 126 #size-cells = <1>;
127 127
128 partition@0 { 128 partition@0 {
129 label = "bootloader"; 129 label = "bootloader";
130 reg = <0x000000 0x100000>; 130 reg = <0x000000 0x100000>;
131 read-only; 131 read-only;
132 }; 132 };
133 133
134 firmware@100000 { 134 firmware@100000 {
135 compatible = "brcm,trx"; 135 compatible = "brcm,trx";
136 label = "firmware"; 136 label = "firmware";
137 reg = <0x100000 0xe00000>; 137 reg = <0x100000 0xe00000>;
138 }; 138 };
139 139
140 calibration@f00000 { 140 calibration@f00000 {
141 compatible = "fixed-partitions"; 141 compatible = "fixed-partitions";
142 label = "calibration"; 142 label = "calibration";
143 reg = <0xf00000 0x100000>; 143 reg = <0xf00000 0x100000>;
144 ranges = <0 0xf00000 0x100000>; 144 ranges = <0 0xf00000 0x100000>;
145 #address-cells = <1>; 145 #address-cells = <1>;
146 #size-cells = <1>; 146 #size-cells = <1>;
147 147
148 partition@0 { 148 partition@0 {
149 label = "wifi0"; 149 label = "wifi0";
150 reg = <0x000000 0x080000>; 150 reg = <0x000000 0x080000>;
151 }; 151 };
152 152
153 partition@80000 { 153 partition@80000 {
154 label = "wifi1"; 154 label = "wifi1";
155 reg = <0x080000 0x080000>; 155 reg = <0x080000 0x080000>;
156 }; 156 };
157 }; 157 };
158 }; 158 };
159 159
160 - | 160 - |
161 partitions { 161 partitions {
162 compatible = "sercomm,sc-partitions", 162 compatible = "sercomm,sc-partitions", "fixed-partitions";
163 #address-cells = <1>; 163 #address-cells = <1>;
164 #size-cells = <1>; 164 #size-cells = <1>;
165 165
166 partition@0 { 166 partition@0 {
167 label = "u-boot"; 167 label = "u-boot";
168 reg = <0x0 0x100000>; 168 reg = <0x0 0x100000>;
169 sercomm,scpart-id = <0>; 169 sercomm,scpart-id = <0>;
170 read-only; 170 read-only;
171 }; 171 };
172 172
173 partition@100000 { 173 partition@100000 {
174 label = "dynamic partition map"; 174 label = "dynamic partition map";
175 reg = <0x100000 0x100000>; 175 reg = <0x100000 0x100000>;
176 sercomm,scpart-id = <1>; 176 sercomm,scpart-id = <1>;
177 }; 177 };
178 178
179 partition@200000 { 179 partition@200000 {
180 label = "Factory"; 180 label = "Factory";
181 reg = <0x200000 0x100000>; 181 reg = <0x200000 0x100000>;
182 sercomm,scpart-id = <2>; 182 sercomm,scpart-id = <2>;
183 read-only; 183 read-only;
184 }; 184 };
185 }; 185 };
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