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dt-bindings: memory: lpddr2: Add revision-id properties
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Add optional revision-id standard LPDDR2 properties which will help to
identify memory chip.

Signed-off-by: Dmitry Osipenko <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>
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digetx authored and krzk committed Oct 15, 2021
1 parent 9e17f71 commit 3539a2c
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Expand Up @@ -24,6 +24,18 @@ properties:
- enum:
- jedec,lpddr2-nvm

revision-id1:
$ref: /schemas/types.yaml#/definitions/uint32
maximum: 255
description: |
Revision 1 value of SDRAM chip. Obtained from device datasheet.
revision-id2:
$ref: /schemas/types.yaml#/definitions/uint32
maximum: 255
description: |
Revision 2 value of SDRAM chip. Obtained from device datasheet.
density:
$ref: /schemas/types.yaml#/definitions/uint32
description: |
Expand Down Expand Up @@ -151,6 +163,8 @@ examples:
compatible = "elpida,ECB240ABACN", "jedec,lpddr2-s4";
density = <2048>;
io-width = <32>;
revision-id1 = <1>;
revision-id2 = <0>;
tRPab-min-tck = <3>;
tRCD-min-tck = <3>;
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