Hi Rob,
> On Tue, Sep 18, 2018 at 11:34:35AM +0200, Lukasz Majewski wrote:
> > This commit provides the description of new property:
> > "fsl,spi-slave-mode" which enables support for DSPI driver working
> > in slave mode.
> >
> > As the new compatible shall be used with SPI bus equipped with
> > master device a new "spidev" based node has been introduced to
> > avoid confusion.
> >
> > Signed-off-by: Lukasz Majewski <lukma@xxxxxxx>
> > ---
> > Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
> > b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt index
> > 18eeafe359d8..b30af19a2bc5 100644 ---
> > a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt +++
> > b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt @@ -26,6
> > +26,7 @@ Optional SPI properties for slave nodes:
> > - fsl,spi-sck-cs-delay: a delay in nanoseconds between stopping
> > the clock signal and deactivating chip select, at the end of a
> > transfer.
> > - bus-num : the slave chip chipselect signal number.
> > +- fsl,spi-slave-mode: if present, controller runs in slave mode.
>
> There's a standard property for this.
I've just realised that there is "spi-slave" property in the
Documentation/devicetree/bindings/spi/spi-bus.txt
I will convert the code to use it.
>
> >
> > Example:
> >
> > @@ -56,6 +57,13 @@ dspi0@4002c000 {
> > fsl,spi-cs-sck-delay = <100>;
> > fsl,spi-sck-cs-delay = <50>;
> > };
> > +
> > + spidev3@1 {
> > + compatible = "fsl,vf610-dspi";
> > + spi-max-frequency = <30000000>;
> > + reg = <1>;
> > + fsl,spi-slave-mode;
>
> This doesn't look right for how slave mode is described.
You mean that I shall replace fsl,spi-slave-mode; with "spi-slave" ?
Or is there any other issue with this code?
Thanks for your review,
>
> > + };
> > };
> >
> >
> > --
> > 2.11.0
> >
>
Best regards,
Lukasz Majewski
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