On Sat, Dec 28, 2019 at 09:11:08PM +0100, Linus Walleij wrote: > This adds device tree bindings for the GP2AP002 light > and proximity sensor. > > As with other early proximity sensors (~2010) the light > sensor and proximity sensors were combined into a single > component. > > Cc: Stephan Gerhold <stephan@xxxxxxxxxxx> > Cc: Donggeun Kim <dg77.kim@xxxxxxxxxxx> > Cc: Minkyu Kang <mk7.kang@xxxxxxxxxxx> > Cc: Paweł Chmiel <pawel.mikolaj.chmiel@xxxxxxxxx> > Cc: Jonathan Bakker <xc-racer2@xxxxxxx> > Cc: Oskar Andero <oskar.andero@xxxxxxxxx> > Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > .../bindings/iio/light/sharp,gp2ap002.yaml | 87 +++++++++++++++++++ > 1 file changed, 87 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml > > diff --git a/Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml b/Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml > new file mode 100644 > index 000000000000..27d129e76a8b > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml > @@ -0,0 +1,87 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/light/sharp,gp2ap002.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Sharp GP2AP002A00F and GP2AP002S00F proximity and ambient light sensors > + > +maintainers: > + - Linus Walleij <linus.walleij@xxxxxxxxxx> > + > +description: | > + Proximity and ambient light sensor with IR LED for the proximity > + sensing and an analog output for light intensity. The ambient light > + sensor output is not available on the GP2AP002S00F variant. > + > +properties: > + compatible: > + enum: > + - sharp,gp2ap002a00f > + - sharp,gp2ap002s00f > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + description: an interrupt for proximity, usually a GPIO line > + > + vdd-supply: > + maxItems: 1 *-supply is always 1 item, so drop. > + description: VDD power supply a phandle to a regulator > + > + vio-supply: > + maxItems: 1 > + description: VIO power supply a phandle to a regulator > + > + io-channels: > + maxItems: 1 > + description: ALSOUT ADC channel to read the ambient light > + > + io-channel-names: > + const: "alsout" Drop quotes > + > + sharp,proximity-far-hysteresis: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: | > + Hysteresis setting for "far" object detection, this setting is > + device-unique and adjust the optical setting for proximity detection > + of a "far away" object in front of the sensor. 0-2^32 is allowed? default? > + > + sharp,proximity-close-hysteresis: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: | > + Hysteresis setting for "close" object detection, this setting is > + device-unique and adjust the optical setting for proximity detection > + of a "close" object in front of the sensor. > + > +required: > + - compatible > + - reg > + - interrupts > + - sharp,proximity-far-hysteresis > + - sharp,proximity-close-hysteresis > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + light-sensor@44 { > + compatible = "sharp,gp2ap002a00f"; > + reg = <0x44>; > + interrupts = <18 IRQ_TYPE_EDGE_FALLING>; > + vdd-supply = <&vdd_regulator>; > + vio-supply = <&vio_regulator>; > + io-channels = <&adc_channel>; > + io-channel-names = "alsout"; > + sharp,proximity-far-hysteresis = <0x2f>; > + sharp,proximity-close-hysteresis = <0x0f>; > + }; > + }; > + > +... > -- > 2.21.0 >
