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| author | Julius Werner <jwerner@chromium.org> | 2022-02-24 03:34:19 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2022-02-25 15:36:37 +0300 |
| commit | 80ce91730d3283f10810245db2605498d794fa29 (patch) | |
| tree | 7399303289ffba455e502cb157f80fde598bf550 /Documentation/devicetree/bindings/memory-controllers | |
| parent | 4e890b2228fd14fa6269175e9816bf27ff989e84 (diff) | |
| download | linux-80ce91730d3283f10810245db2605498d794fa29.tar.xz | |
dt-bindings: memory: lpddr2: Adjust revision ID property to match lpddr3
Commit 3539a2c6c689 ("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@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220224003421.3440124-2-jwerner@chromium.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'Documentation/devicetree/bindings/memory-controllers')
| -rw-r--r-- | Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml | 17 |
1 files changed, 15 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 2d8a701e2a05..dd2141cad866 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml @@ -30,12 +30,26 @@ 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 + description: | + Revision IDs read from Mode Register 6 and 7. One byte per uint32 cell (i.e. <MR6 MR7>). + minItems: 2 + maxItems: 2 + items: + minimum: 0 + maximum: 255 density: $ref: /schemas/types.yaml#/definitions/uint32 @@ -162,8 +176,7 @@ examples: compatible = "elpida,ECB240ABACN", "jedec,lpddr2-s4"; density = <2048>; io-width = <32>; - revision-id1 = <1>; - revision-id2 = <0>; + revision-id = <1 0>; tRPab-min-tck = <3>; tRCD-min-tck = <3>; |