Messages in this thread | | | Date | Mon, 8 Oct 2018 14:30:43 +0200 | From | Lukasz Majewski <> | Subject | Re: [PATCH] dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus |
| |
Dear All,
> Add Device Tree binding document for Liebherr's BK4 external SPI bus. >
Gentle ping...
> Signed-off-by: Lukasz Majewski <lukma@denx.de> > --- > 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>; > +};
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 [unhandled content-type:application/pgp-signature] | |