On Sun, May 31, 2020 at 11:19:14AM +0100, Jonathan Cameron wrote: > On Sat, 30 May 2020 23:36:30 +0200 > Tomasz Duszynski <tomasz.duszynski@xxxxxxxxxxx> wrote: > > > Add SCD30 sensor binding file. > > > > Signed-off-by: Tomasz Duszynski <tomasz.duszynski@xxxxxxxxxxx> > > --- > > .../iio/chemical/sensirion,scd30.yaml | 68 +++++++++++++++++++ > > MAINTAINERS | 1 + > > 2 files changed, 69 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml > > > > diff --git a/Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml > > new file mode 100644 > > index 000000000000..34cc3925d64d > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml > > @@ -0,0 +1,68 @@ > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/iio/chemical/sensirion,scd30.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Sensirion SCD30 carbon dioxide sensor > > + > > +maintainers: > > + - Tomasz Duszynski <tomasz.duszynski@xxxxxxxxxxx> > > + > > +description: | > > + Air quality sensor capable of measuring co2 concentration, temperature > > + and relative humidity. > > + > > +properties: > > + compatible: > > + enum: > > + - sensirion,scd30 > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + vdd-supply: true > > + > > + sensirion,sel-gpios: > > + description: GPIO connected to the SEL line > > + maxItems: 1 > > + > > + sensirion,pwm-gpios: > > + description: GPIO connected to the PWM line > > + maxItems: 1 > > + > > +required: > > + - compatible > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + # include <dt-bindings/interrupt-controller/irq.h> > > + i2c { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + scd30@61 { > > Nodes should have generic names. Not sure we have an appropriate > one in the spec, but as main focus of people using this will be > c02 herpas > > c02@61? > There are already a few recommended node names ending with '-sensor' on the list like air-pollution-sensor or temperature-sensor. I'd say co2-sensor would work here. > Rob may well have a better suggestion! > > > + compatible = "sensirion,scd30"; > > + reg = <0x61>; > > + vdd-supply = <&vdd>; > > + interrupt-parent = <&gpio0>; > > + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; > > + }; > > + }; > > + - | > > + # include <dt-bindings/interrupt-controller/irq.h> > > + serial { > > + scd30 { > > + compatible = "sensirion,scd30"; > > + vdd-supply = <&vdd>; > > + interrupt-parent = <&gpio0>; > > + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; > > + }; > > + }; > > + > > +... > > diff --git a/MAINTAINERS b/MAINTAINERS > > index 5db4b446c8ba..0ab9cf39e051 100644 > > --- a/MAINTAINERS > > +++ b/MAINTAINERS > > @@ -15140,6 +15140,7 @@ F: include/uapi/linux/phantom.h > > SENSIRION SCD30 CARBON DIOXIDE SENSOR DRIVER > > M: Tomasz Duszynski <tomasz.duszynski@xxxxxxxxxxx> > > S: Maintained > > +F: Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml > > F: drivers/iio/chemical/scd30.h > > F: drivers/iio/chemical/scd30_core.c > > F: drivers/iio/chemical/scd30_i2c.c >