nitpicking below > Signed-off-by: Peter Rosin <peda@xxxxxxxxxx> > --- > .../devicetree/bindings/iio/dac/dpot-dac.txt | 41 ++++++++++++++++++++++ > MAINTAINERS | 6 ++++ > 2 files changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/dac/dpot-dac.txt > > diff --git a/Documentation/devicetree/bindings/iio/dac/dpot-dac.txt b/Documentation/devicetree/bindings/iio/dac/dpot-dac.txt > new file mode 100644 > index 000000000000..4fd5d63cc2d6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/dac/dpot-dac.txt > @@ -0,0 +1,41 @@ > +Bindings for DAC emulation using a digital potentiometer > + > +It is assumed the that the dpot is used as a voltage divider between the delete 'the' before 'that' > +current dpot wiper setting and the maximum resistance of the dpot. The > +divided voltage is provided by a vref regulator. > + > + .------. > + .-----------. | | > + | vref |--' .---. > + | regulator |--. | | > + '-----------' | | d | > + | | p | > + | | o | wiper > + | | t |<---------+ > + | | | > + | '---' dac output voltage > + | | > + '------+------------+ > + > +Required properties: > +- compatible: Should be "dpot-dac" > +- vref-supply: The regulator supplying the voltage divider. > +- io-channels: Channel node of the dpot to be used for the voltage division. > +- io-channel-names: Should be "dpot". > + > +Example: > + > + &i2c { > + dpot: mcp4651-503@28 { > + compatible = "microchip,mcp4651-503"; > + reg = <0x28>; > + #io-channel-cells = <1>; > + }; > + }; > + > + dac { > + compatible = "dpot-dac"; > + vref-supply = <®_3v3>; > + io-channels = <&dpot 0>; > + io-channel-names = "dpot"; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index 1cd38a7e0064..c68b72088945 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -6111,6 +6111,12 @@ L: linux-media@xxxxxxxxxxxxxxx > S: Maintained > F: drivers/media/rc/iguanair.c > > +IIO DIGITAL POTENTIOMETER DAC > +M: Peter Rosin <peda@xxxxxxxxxx> > +L: linux-iio@xxxxxxxxxxxxxxx > +S: Maintained > +F: Documentation/devicetree/bindings/iio/dac/dpot-dac.txt > + > IIO SUBSYSTEM AND DRIVERS > M: Jonathan Cameron <jic23@xxxxxxxxxx> > R: Hartmut Knaack <knaack.h@xxxxxx> > -- Peter Meerwald-Stadler +43-664-2444418 (mobile) -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html