Messages in this thread Patch in this message | | | From | Dmitry Osipenko <> | Subject | [PATCH v4 3/7] dt-bindings: memory: lpddr2: Add revision-id properties | Date | Wed, 6 Oct 2021 02:00:05 +0300 |
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Add optional revision-id standard LPDDR2 properties which will help to identify memory chip.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- .../memory-controllers/ddr/jedec,lpddr2.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml index d99ccad54938..01efb43c3425 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml @@ -24,6 +24,16 @@ properties: - enum: - jedec,lpddr2-nvm + revision-id1: + maximum: 255 + description: | + Revision 1 value of SDRAM chip. Obtained from device datasheet. + + revision-id2: + maximum: 255 + description: | + Revision 2 value of SDRAM chip. Obtained from device datasheet. + density: description: | Density in megabits of SDRAM chip. Obtained from device datasheet. @@ -138,6 +148,8 @@ 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>; -- 2.32.0
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