On Mon, Jan 28, 2019 at 10:49:31AM +0100, Ricardo Ribalda Delgado wrote: > Bindings for dac7612. > > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Ricardo Ribalda Delgado <ricardo@xxxxxxxxxxx> > --- > .../bindings/iio/dac/ti,dac7612.txt | 29 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt > > diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt b/Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt > new file mode 100644 > index 000000000000..e1b8158fab35 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt > @@ -0,0 +1,29 @@ > +* Texas Instruments Dual, 12-Bit Serial Input Digital-to-Analog Converter > + > +The DAC7612 is a dual, 12-bit digital-to-analog converter (DAC) with guaranteed > +12-bit monotonicity performance over the industrial temperature range. > +Is is programmable through an SPI interface. > + > +The internal DACs are loaded when the LOADDACS pin is pulled down. > + > +http://www.ti.com/lit/ds/sbas106/sbas106.pdf > + > +Required Properties: > +- compatible: Should be one of: > + "ti,dac7612" > + "ti,dac7612u" > + "ti,dac7612b" What's the difference? I can only find 'u' and 'ub' variants and nothing about how those are different. So maybe just 1 string is enough? > +- reg: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt > + > +Optional Properties: > +- loaddacs-gpios: GPIO descriptor for the LOADDACS pin. Needs a 'ti' vendor prefix. > +- spi-*: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt > + > +Example: > + > + dac7612@1 { dac@1 > + compatible = "ti,dac7612"; > + reg = <0x1>; > + loaddacs-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>; > + }; > + > diff --git a/MAINTAINERS b/MAINTAINERS > index 30ba5435906b..e28e5afaae16 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -14882,6 +14882,7 @@ M: Ricardo Ribalda <ricardo@xxxxxxxxxxx> > L: linux-iio@xxxxxxxxxxxxxxx > S: Supported > F: drivers/iio/dac/ti-dac7612.c > +F: Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt > > THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER > M: Hans Verkuil <hverkuil@xxxxxxxxx> > -- > 2.20.1 >
