[PATCH v3 02/13] spi: dt-bindings: cdns,qspi-nor: add PHY tuning pattern partition property

Krzysztof Kozlowski krzk at kernel.org
Mon Jun 1 04:47:35 PDT 2026


On Mon, Jun 01, 2026 at 01:26:27PM +0200, Krzysztof Kozlowski wrote:
 >>
> >> This should be used in any of applicable examples.
> > 
> > Please refer to the DT changes included in the repository linked in the
> > cover letter, which should provide a clearer picture of how this
> > property is intended to be used. [0]
> > 
> > I'll also add a DT binding example in the next version to make the usage
> > more explicit.
> 
> Why do you new a new example? Why existing examples are not applicable?

typo: "Why do you need a new example?"

> 
> > 
> >>
> >> I also have doubts that this is per-device property. Your commit msg
> >> suggests it is per controller.
> > 
> > This is a per-device property. It is consumed by the controller driver
> > only to locate and retrieve the offset of the PHY pattern partition
> 
> So with two devices on a bus, you need two separate partitions for tuning?

Best regards,
Krzysztof




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