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dt-bindings: nvmem: Extend patternProperties to optionally indicate bit position

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Allow to extend expression of sub nodes to optionally indicate bit
position. This extension is needed to distinguish between different bit
positions in the same address.

For example, there are two nvmem nodes starting with bit 4 and bit 0
at the same address 0x54. In this case, it can be expressed as follows.

    trim@54,4 {
        reg = <0x54 1>;
        bits = <4 2>;
    };
    trim@54,0 {
        reg = <0x54 1>;
        bits = <0 4>;
    };

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1626661864-15473-2-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Kunihiko Hayashi 2021-07-19 11:31:03 +09:00 committed by Rob Herring
parent d4fd4f01e1
commit 4b2545dd19
1 changed files with 1 additions and 1 deletions
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2
Documentation/devicetree/bindings/nvmem/nvmem.yaml
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@ -40,7 +40,7 @@ properties:
maxItems: 1
patternProperties:
"^.*@[0-9a-f]+$":
"@[0-9a-f]+(,[0-7])?$":
type: object
properties: