Re: [PATCH 1/2] spi: renesas,rzv2m-csi: Add SPI Slave related properties

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Sep 27, 2023 at 10:18:57AM +0000, Fabrizio Castro wrote:
> > From: Mark Brown <broonie@xxxxxxxxxx>

> > OK, it sounds like we do need a property then.  Like I say I'd rather
> > not have one that just works for _NO_CS in order to avoid confusion
> > for
> > people writing SPI device drivers, either something in the generic
> > target binding or a device specific one.

> Shall I invert the logic then? What I mean is I could drop property
> "renesas,csi-ss" and add property "renesas,csi-no-ss" instead, therefore
> without "renesas,csi-no-ss" pin SS will be used, with "renesas,csi-no-ss"
> pin SS won't be used.
> What do you think?

That sounds fine for me, I guess we could add a further property if some
new IP allows multiple options for the chip select in target mode.

> Also, I could drop "renesas,csi-ss-high" and use "spi-cs-high" instead?

I think that's OK but I looked less at that bit.

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux