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: <<
33 $ref: /schemas/types.yaml#/definitions/str <<
34 description: | <<
35 Compression algorithm used to store the <<
36 from a list of well-known algorithms. <<
37 <<
38 The contents are compressed using this a <<
39 <<
40 enum: <<
41 - none <<
42 - bzip2 <<
43 - gzip <<
44 - lzop <<
45 - lz4 <<
46 - lzma <<
47 - xz <<
48 - zstd <<
49 <<
50 patternProperties: 32 patternProperties:
51 "@[0-9a-f]+$": 33 "@[0-9a-f]+$":
52 $ref: partition.yaml# !! 34 allOf:
53 !! 35 - $ref: "partition.yaml#"
54 properties: !! 36 - if:
55 sercomm,scpart-id: !! 37 properties:
56 description: Partition id in Sercomm p !! 38 compatible:
57 uses this id to find a record in the !! 39 contains:
58 offset and size of the current parti !! 40 const: sercomm,sc-partitions
59 partition map overrides partition of !! 41 then:
60 reg property of the dts. Frequently !! 42 properties:
61 but may differ if device has bad era !! 43 sercomm,scpart-id:
62 $ref: /schemas/types.yaml#/definitions !! 44 description: Partition id in Sercomm partition map. Mtd
>> 45 parser uses this id to find a record in the partition map
>> 46 containing offset and size of the current partition. The
>> 47 values from partition map overrides partition offset and
>> 48 size defined in reg property of the dts. Frequently these
>> 49 values are the same, but may differ if device has bad
>> 50 eraseblocks on a flash.
>> 51 $ref: /schemas/types.yaml#/definitions/uint32
63 52
64 required: 53 required:
65 - "#address-cells" 54 - "#address-cells"
66 - "#size-cells" 55 - "#size-cells"
67 56
68 additionalProperties: true 57 additionalProperties: true
69 58
70 examples: 59 examples:
71 - | 60 - |
72 partitions { 61 partitions {
73 compatible = "fixed-partitions"; 62 compatible = "fixed-partitions";
74 #address-cells = <1>; 63 #address-cells = <1>;
75 #size-cells = <1>; 64 #size-cells = <1>;
76 65
77 partition@0 { 66 partition@0 {
78 label = "u-boot"; 67 label = "u-boot";
79 reg = <0x0000000 0x100000>; 68 reg = <0x0000000 0x100000>;
80 read-only; 69 read-only;
81 }; 70 };
82 71
83 uimage@100000 { 72 uimage@100000 {
84 reg = <0x0100000 0x200000>; 73 reg = <0x0100000 0x200000>;
85 compress = "lzma"; <<
86 }; 74 };
87 }; 75 };
88 76
89 - | 77 - |
90 partitions { 78 partitions {
91 compatible = "fixed-partitions"; 79 compatible = "fixed-partitions";
92 #address-cells = <1>; 80 #address-cells = <1>;
93 #size-cells = <2>; 81 #size-cells = <2>;
94 82
95 /* a 4 GiB partition */ 83 /* a 4 GiB partition */
96 partition@0 { 84 partition@0 {
97 label = "filesystem"; 85 label = "filesystem";
98 reg = <0x00000000 0x1 0x00000000>; 86 reg = <0x00000000 0x1 0x00000000>;
99 linux,rootfs; <<
100 }; 87 };
101 }; 88 };
102 89
103 - | 90 - |
104 partitions { 91 partitions {
105 compatible = "fixed-partitions"; 92 compatible = "fixed-partitions";
106 #address-cells = <2>; 93 #address-cells = <2>;
107 #size-cells = <2>; 94 #size-cells = <2>;
108 95
109 /* an 8 GiB partition */ 96 /* an 8 GiB partition */
110 partition@0 { 97 partition@0 {
111 label = "filesystem #1"; 98 label = "filesystem #1";
112 reg = <0x0 0x00000000 0x2 0x000000 99 reg = <0x0 0x00000000 0x2 0x00000000>;
113 }; 100 };
114 101
115 /* a 4 GiB partition */ 102 /* a 4 GiB partition */
116 partition@200000000 { 103 partition@200000000 {
117 label = "filesystem #2"; 104 label = "filesystem #2";
118 reg = <0x2 0x00000000 0x1 0x000000 105 reg = <0x2 0x00000000 0x1 0x00000000>;
119 }; 106 };
120 }; 107 };
121 108
122 - | 109 - |
123 partitions { 110 partitions {
124 compatible = "fixed-partitions"; 111 compatible = "fixed-partitions";
125 #address-cells = <1>; 112 #address-cells = <1>;
126 #size-cells = <1>; 113 #size-cells = <1>;
127 114
128 partition@0 { 115 partition@0 {
129 label = "bootloader"; 116 label = "bootloader";
130 reg = <0x000000 0x100000>; 117 reg = <0x000000 0x100000>;
131 read-only; 118 read-only;
132 }; 119 };
133 120
134 firmware@100000 { 121 firmware@100000 {
135 compatible = "brcm,trx"; 122 compatible = "brcm,trx";
136 label = "firmware"; 123 label = "firmware";
137 reg = <0x100000 0xe00000>; 124 reg = <0x100000 0xe00000>;
138 }; 125 };
139 126
140 calibration@f00000 { 127 calibration@f00000 {
141 compatible = "fixed-partitions"; 128 compatible = "fixed-partitions";
142 label = "calibration"; 129 label = "calibration";
143 reg = <0xf00000 0x100000>; 130 reg = <0xf00000 0x100000>;
144 ranges = <0 0xf00000 0x100000>; 131 ranges = <0 0xf00000 0x100000>;
145 #address-cells = <1>; 132 #address-cells = <1>;
146 #size-cells = <1>; 133 #size-cells = <1>;
147 134
148 partition@0 { 135 partition@0 {
149 label = "wifi0"; 136 label = "wifi0";
150 reg = <0x000000 0x080000>; 137 reg = <0x000000 0x080000>;
151 }; 138 };
152 139
153 partition@80000 { 140 partition@80000 {
154 label = "wifi1"; 141 label = "wifi1";
155 reg = <0x080000 0x080000>; 142 reg = <0x080000 0x080000>;
156 }; 143 };
157 }; 144 };
158 }; 145 };
159 146
160 - | 147 - |
161 partitions { 148 partitions {
162 compatible = "sercomm,sc-partitions", 149 compatible = "sercomm,sc-partitions", "fixed-partitions";
163 #address-cells = <1>; 150 #address-cells = <1>;
164 #size-cells = <1>; 151 #size-cells = <1>;
165 152
166 partition@0 { 153 partition@0 {
167 label = "u-boot"; 154 label = "u-boot";
168 reg = <0x0 0x100000>; 155 reg = <0x0 0x100000>;
169 sercomm,scpart-id = <0>; 156 sercomm,scpart-id = <0>;
170 read-only; 157 read-only;
171 }; 158 };
172 159
173 partition@100000 { 160 partition@100000 {
174 label = "dynamic partition map"; 161 label = "dynamic partition map";
175 reg = <0x100000 0x100000>; 162 reg = <0x100000 0x100000>;
176 sercomm,scpart-id = <1>; 163 sercomm,scpart-id = <1>;
177 }; 164 };
178 165
179 partition@200000 { 166 partition@200000 {
180 label = "Factory"; 167 label = "Factory";
181 reg = <0x200000 0x100000>; 168 reg = <0x200000 0x100000>;
182 sercomm,scpart-id = <2>; 169 sercomm,scpart-id = <2>;
183 read-only; 170 read-only;
184 }; 171 };
185 }; 172 };
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