19.02.2022 04:24, Julius Werner пишет: > Commit 3539a2 (dt-bindings: memory: lpddr2: Add revision-id properties) > added the properties `revision-id1` and `revision-id2` to the > "jedec,lpddr2" binding. The "jedec,lpddr3" binding already had a single > array property `revision-id` for the same purpose. For consistency > between related memory types, this patch deprecates the LPDDR2 > properties and instead adds a property in the same style as for LPDDR3 > to that binding. > > Signed-off-by: Julius Werner <jwerner@xxxxxxxxxxxx> > --- Every revised version of the patch must contain changelog. > .../memory-controllers/ddr/jedec,lpddr2.yaml | 14 ++++++++++++-- > 1 file changed, 12 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml > index 25ed0266f6dd3d..37229738f47271 100644 > --- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml > +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml > @@ -30,12 +30,23 @@ properties: > maximum: 255 > description: | > Revision 1 value of SDRAM chip. Obtained from device datasheet. > + Property is deprecated, use revision-id instead. > + deprecated: true > > revision-id2: > $ref: /schemas/types.yaml#/definitions/uint32 > maximum: 255 > description: | > Revision 2 value of SDRAM chip. Obtained from device datasheet. > + Property is deprecated, use revision-id instead. > + deprecated: true > + > + revision-id: > + $ref: /schemas/types.yaml#/definitions/uint32-array > + minItems: 2 > + maxItems: 2 > + description: | > + Revision IDs read from Mode Register 6 and 7. One byte per uint32 cell (i.e. <MR6 MR7>). > > density: > $ref: /schemas/types.yaml#/definitions/uint32 > @@ -164,8 +175,7 @@ examples: > compatible = "elpida,ECB240ABACN", "jedec,lpddr2-s4"; > density = <2048>; > io-width = <32>; > - revision-id1 = <1>; > - revision-id2 = <0>; > + revision-id = <123 234>; > > tRPab-min-tck = <3>; > tRCD-min-tck = <3>; It's not enough to change only the binding. You should also update the device-trees and drivers/memory.
