Re: [PATCH] dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus

[Lukasz Majewski <lukma@denx.de>]

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Dear All,

> Hi Shawn,
> 
> > On Fri, Sep 28, 2018 at 12:26:55AM +0200, Lukasz Majewski wrote:  
> > > Add Device Tree binding document for Liebherr's BK4 external SPI
> > > bus.
> > > 
> > > Signed-off-by: Lukasz Majewski <lukma@denx.de>    
> > 
> > There should really be a patch series consisting of this one and
> > spidev change [1].
> > 
> > Since spidev has already been picked up, having a series including
> > this and dts change would be the second option.  With DT folks' ACK,
> > I can send bindings change together with DTS using it.  
> 
> Any option will work for me :-).

Gentle ping on this patch (as corresponding DTS file has been already
pulled by Shawn).

Thanks in advance,

> 
> > 
> > Shawn
> > 
> > [1] https://lkml.org/lkml/2018/9/28/48
> >   
> > > ---
> > >  Documentation/devicetree/bindings/misc/lwn-bk4.txt | 26
> > > ++++++++++++++++++++++ 1 file changed, 26 insertions(+)
> > >  create mode 100644
> > > Documentation/devicetree/bindings/misc/lwn-bk4.txt
> > > 
> > > diff --git a/Documentation/devicetree/bindings/misc/lwn-bk4.txt
> > > b/Documentation/devicetree/bindings/misc/lwn-bk4.txt new file mode
> > > 100644 index 000000000000..d6a8c188c087
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/misc/lwn-bk4.txt
> > > @@ -0,0 +1,26 @@
> > > +* Liebherr's BK4 controller external SPI
> > > +
> > > +A device which handles data acquisition from compatible
> > > industrial +peripherals.
> > > +The SPI is used for data and management purposes in both master
> > > and +slave modes.
> > > +
> > > +Required properties:
> > > +
> > > +- compatible : Should be "lwn,bk4"
> > > +
> > > +Required SPI properties:
> > > +
> > > +- reg : Should be address of the device chip select within
> > > +  the controller.
> > > +
> > > +- spi-max-frequency : Maximum SPI clocking speed of device in Hz,
> > > should be
> > > +  30MHz at most for the Liebherr's BK4 external bus.
> > > +
> > > +Example:
> > > +
> > > +spidev0: spi@0 {
> > > +	compatible = "lwn,bk4";
> > > +	spi-max-frequency = <30000000>;
> > > +	reg = <0>;
> > > +};
> > > -- 
> > > 2.11.0
> > >     
> 
> 
> Best regards,
> 
> Lukasz Majewski
> 
> --
> 
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de

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