| Message ID | 20210627163244.1090296-2-jic23@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | dt-bindings: iio: dac: Add most missing binding documents. | expand |
On Sun, 27 Jun 2021 17:32:30 +0100, Jonathan Cameron wrote: > From: Jonathan Cameron <Jonathan.Cameron@huawei.com> > > This is documented what is currently the case. There are a number > of things that could be added, but I don't feel the binding elements > are obvious enough to document without a driver implementation to > verify they are good choices. > > These include > * Range > * Regulators, both input and potentially output (if the loop being > driven is ever described). > > I've listed Lars and myself as maintainers of the binding, but if > anyone else wants to be added they would be most welcome! > > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > Cc: Lars-Peter Clausen <lars@metafoo.de> > --- > .../bindings/iio/dac/adi,ad5421.yaml | 51 +++++++++++++++++++ > 1 file changed, 51 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5421.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5421.yaml new file mode 100644 index 000000000000..188f656617e3 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5421.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dac/adi,ad5421.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD5421 DAC + +maintainers: + - Lars-Peter Clausen <lars@metafoo.de> + - Jonathan Cameron <jic23@kernel.org> + +description: | + AD5421 is designed for us in loop-powered, 4 mA to 20 mA smart transmitter + applications. It provides a 16-bit DAC, current amplifier, voltage regulator + to drive the loop and a voltage reference. + +properties: + compatible: + const: adi,ad5421 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: Fault signal. + + spi-max-frequency: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "adi,ad5421"; + reg = <0>; + spi-max-frequency = <30000000>; + interrupts = <55 IRQ_TYPE_LEVEL_HIGH>; + }; + }; +...