Messages in this thread | | | Date | Tue, 5 Jul 2022 16:07:27 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 07/11] dt-bindings: spi: spi-nxp-fspi: add a new property nxp,fspi-dll-slvdly |
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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". [unhandled content-type:application/pgp-signature] | |