On Fri, 15 Mar 2019 16:11:50 +0100 Gregory CLEMENT <gregory.clement@xxxxxxxxxxx> wrote: > This adds device tree bindings for the TI ADS8344 A/DC chips. > > Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx> Looks good to me, though io-channel-cells only needs to be 1 if you have consumers... Otherwise, it shouldn't be there at all.. Jonathan > --- > .../bindings/iio/adc/ti-ads8344.txt | 21 +++++++++++++++++++ > 1 file changed, 21 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/ti-ads8344.txt > > diff --git a/Documentation/devicetree/bindings/iio/adc/ti-ads8344.txt b/Documentation/devicetree/bindings/iio/adc/ti-ads8344.txt > new file mode 100644 > index 000000000000..6576c4fed7b7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/ti-ads8344.txt > @@ -0,0 +1,21 @@ > +* Texas Instruments ADS8344 A/DC chip > + > +Required properties: > + - compatible: Must be "ti,ads8344" > + - #io-channel-cells: Must be 1 as per ../iio-bindings.txt > + - reg: SPI chip select number for the device > + - vref-supply: phandle to a regulator node that supplies the > + reference voltage > + > +Recommended properties: > + - spi-max-frequency: Definition as per > + Documentation/devicetree/bindings/spi/spi-bus.txt > + > +Example: > +adc@0 { > + compatible = "ti,ads8344"; > + reg = <0>; > + #io-channel-cells = <1>; > + vref-supply = <&refin_supply>; > + spi-max-frequency = <10000000>; > +};