Re: [PATCH 07/11] dt-bindings: spi: spi-nxp-fspi: add a new property nxp,fspi-dll-slvdly

[Mark Brown]

On Tue, Jul 05, 2022 at 04:58:40PM +0200, Michael Walle wrote:
> Am 2022-07-05 16:52, schrieb Han Xu:

> > IMO, use the unit "-degrees" makes it more complicate. Personaly I would
> > calculate how many clock cycle delay needed, such as 1/4 clock cycle or
> > half
> > clock cycle. Using degree brings extra calculation.

> What is the extra calculation here? For hardware engineer who has to
> specify this, it is easier to give the delay in clock phase (in degrees)
> rather than reading the documentation and transform that into a value
> given in 1/32 part of a clock, that should be part of the driver.

IME if it's a hardware engineer specifying things by the time they get
as far as a software engineer they'll often have been turned into "write
these values to these registers".

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