Add optional revision-id standard LPDDR2 properties which will help to
identify memory chip.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211006224659.21434-4-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
- 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: |
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>;