On Mon, Dec 21, 2020 at 4:15 PM Alexandru Ardelean
wrote:
>
> From: Dragos Bogdan
>
> Transmit/receive only is a valid SPI mode. For example, the MOSI/TX line
> might be missing from an ADC while for a DAC the MISO/RX line may be
> optional. This patch adds these two new modes: SPI_NO_TX and
>
On Mon, Dec 21, 2020 at 4:34 PM Andy Shevchenko
wrote:
> On Mon, Dec 21, 2020 at 4:15 PM Alexandru Ardelean
> wrote:
> >
> > From: Dragos Bogdan
> >
> > Transmit/receive only is a valid SPI mode. For example, the MOSI/TX line
> > might be missing from an ADC while for a DAC the MISO/RX line may
On Mon, Dec 21, 2020 at 5:19 PM Ardelean, Alexandru
wrote:
> > -Original Message-
> > From: Andy Shevchenko
> > Sent: Monday, December 21, 2020 4:37 PM
> > On Mon, Dec 21, 2020 at 4:34 PM Andy Shevchenko
> > wrote:
...
> > One nit, though...
> >
> > > > - "setup: can not
> -Original Message-
> From: Andy Shevchenko
> Sent: Monday, December 21, 2020 4:37 PM
> To: Ardelean, Alexandru
> Cc: linux-spi ; devicetree
> ; Linux Kernel Mailing List ker...@vger.kernel.org>; Bogdan, Dragos ;
> Mark Brown ; Rob Herring
> Subject:
From: Dragos Bogdan
Transmit/receive only is a valid SPI mode. For example, the MOSI/TX line
might be missing from an ADC while for a DAC the MISO/RX line may be
optional. This patch adds these two new modes: SPI_NO_TX and
SPI_NO_RX. This way, the drivers will be able to identify if any of
these
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