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SubjectRe: [PATCH v3 3/3] dt-bindings: i2c: qcom,i2c-qup: Document noise rejection properties
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Il 28/01/21 10:13, Wolfram Sang ha scritto:
>
>> + qcom,noise-reject-sda:
>> + $ref: /schemas/types.yaml#/definitions/uint32
>> + description: Noise rejection level for the SDA line.
>> + minimum: 0
>> + maximum: 3
>> + default: 0
>
> What does this u32 describe? I wonder if we can introduce a generic
> property instead of a vendor-specific one.
>

Describes a "noise rejection level"... zero is disabled, 1-2-3 are
min-med-high. That's what the hardware accepts.

Also, there's no "real" documentation on this, so it wasn't possible
to map it to any real measurement unit as well...

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