On Fri, 31 Jul 2020 10:48:38 -0600 Daniel Campello <campe...@chromium.org> wrote:
> Adds device tree bandings for sx9310 sensor. > > Signed-off-by: Daniel Campello <campe...@chromium.org> > Cc: Hartmut Knaack <knaac...@gmx.de> > Cc: Lars-Peter Clausen <l...@metafoo.de> > Cc: Peter Meerwald-Stadler <pme...@pmeerw.net> > Cc: Rob Herring <robh...@kernel.org> > Reviewed-by: Douglas Anderson <diand...@chromium.org> > [swb...@chromium.org: Add both regulators and make them optional] > Signed-off-by: Stephen Boyd <swb...@chromium.org> > --- > > Changes in v3: None > Changes in v2: > - Added #io-channel-cells as a required property > > .../iio/proximity/semtech,sx9310.yaml | 65 +++++++++++++++++++ > 1 file changed, 65 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml > > diff --git > a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml > b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml > new file mode 100644 > index 00000000000000..5739074d3592fe > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9310.yaml > @@ -0,0 +1,65 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/proximity/semtech,sx9310.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Semtech's SX9310 capacitive proximity sensor > + > +maintainers: > + - Daniel Campello <campe...@chromium.org> > + > +description: | > + Semtech's SX9310/SX9311 capacitive proximity/button solution. > + > + Specifications about the devices can be found at: > + https://www.semtech.com/products/smart-sensing/sar-sensors/sx9310 > + > +properties: > + compatible: > + enum: > + - semtech,sx9310 > + - semtech,sx9311 > + > + reg: > + maxItems: 1 > + > + interrupts: > + description: > + The sole interrupt generated by the device used to announce the > + preceding reading request has finished and that data is > + available or that a close/far proximity event has happened. > + maxItems: 1 > + > + vdd-supply: > + description: Main power supply > + > + svdd-supply: > + description: Host interface power supply > + > + "#io-channel-cells": > + const: 1 > + > +required: > + - compatible > + - reg > + - "#io-channel-cells" Missed this in earlier review (only noticed when I saw whilst santity checking earlier versions. Fairly sure we should only need #io-channel-cells if we have a consumer of a channel somewhere else in DT. So it's not required as far as I can see. > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + proximity@28 { > + compatible = "semtech,sx9310"; > + reg = <0x28>; > + interrupt-parent = <&pio>; > + interrupts = <5 IRQ_TYPE_LEVEL_LOW 5>; > + vdd-supply = <&pp3300_a>; > + svdd-supply = <&pp1800_prox>; > + #io-channel-cells = <1>; > + }; > + };
