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scsi: ufs: dt-bindings: renesas,ufs: Add calibration data

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On R-Car S4-8 ES1.2, the E-FUSE block contains PLL and AFE tuning
parameters for the Universal Flash Storage controller.  Document the
related NVMEM properties, and update the example.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/2f337169f8183d48b7d94ee13565fea804aade84.1741179611.git.geert+renesas@glider.be
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Geert Uytterhoeven 2025-03-05 14:34:09 +01:00 committed by Martin K. Petersen
parent 2014c95afe
commit 67407b84e0
1 changed files with 12 additions and 0 deletions
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Documentation/devicetree/bindings/ufs/renesas,ufs.yaml
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@ -33,6 +33,16 @@ properties:
resets:
maxItems: 1
nvmem-cells:
maxItems: 1
nvmem-cell-names:
items:
- const: calibration
dependencies:
nvmem-cells: [ nvmem-cell-names ]
required:
- compatible
- reg
@ -58,4 +68,6 @@ examples:
freq-table-hz = <200000000 200000000>, <38400000 38400000>;
power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
resets = <&cpg 1514>;
nvmem-cells = <&ufs_tune>;
nvmem-cell-names = "calibration";
};