1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,lpddr5.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: LPDDR5 SDRAM compliant to JEDEC JESD209-5
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11
12 allOf:
13 - $ref: jedec,lpddr-props.yaml#
14
15 properties:
16 compatible:
17 items:
18 - pattern: "^lpddr5-[0-9a-f]{2},[0-9a-f]{4}$"
19 - const: jedec,lpddr5
20
21 serial-id:
22 $ref: /schemas/types.yaml#/definitions/uint32-array
23 description:
24 Serial IDs read from Mode Registers 47 through 54. One byte per uint32
25 cell (i.e. <MR47 MR48 MR49 MR50 MR51 MR52 MR53 MR54>).
26 maxItems: 8
27 items:
28 minimum: 0
29 maximum: 255
30
31 required:
32 - compatible
33 - density
34 - io-width
35
36 unevaluatedProperties: false
37
38 examples:
39 - |
40 lpddr {
41 compatible = "lpddr5-01,0200", "jedec,lpddr5";
42 density = <8192>;
43 io-width = <8>;
44 revision-id = <2 0>;
45 serial-id = <3 1 0 0 0 0 0 0>;
46 };
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