On Thu, Aug 05, 2021 at 03:29:37AM -0300, Lucas Stankus wrote: > Add device tree binding documentation for ADXL313 3-axis accelerometer. > > Signed-off-by: Lucas Stankus <lucas.p.stankus@xxxxxxxxx> > --- > .../bindings/iio/accel/adi,adxl313.yaml | 90 +++++++++++++++++++ > 1 file changed, 90 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/accel/adi,adxl313.yaml > > diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl313.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl313.yaml > new file mode 100644 > index 000000000000..fea03b6790f3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/accel/adi,adxl313.yaml > @@ -0,0 +1,90 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/accel/adi,adxl313.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices ADXL313 3-Axis Digital Accelerometer > + > +maintainers: > + - Lucas Stankus <lucas.p.stankus@xxxxxxxxx> > + > +description: | > + Analog Devices ADXL313 3-Axis Digital Accelerometer that supports > + both I2C & SPI interfaces. > + https://www.analog.com/en/products/adxl313.html > + > +properties: > + compatible: > + enum: > + - adi,adxl313 > + > + reg: > + maxItems: 1 > + > + spi-3wire: true > + > + spi-cpha: true > + > + spi-cpol: true These 3 generally shouldn't be needed, but can be set from the driver. If they are valid, is any combination of them really valid? > + > + spi-max-frequency: true > + > + vs-supply: > + description: Regulator that supplies power to the accelerometer > + > + vdd-supply: > + description: Regulator that supplies the digital interface supply voltage > + > + interrupts: > + maxItems: 2 This means there must be 2 entries. If 1 is valid, you need 'minItems'. > + > + interrupt-names: > + maxItems: 2 You need 'minItems' too to fix the error. > + items: > + enum: > + - INT1 > + - INT2 > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + i2c0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + /* Example for a I2C device node */ > + accelerometer@53 { > + compatible = "adi,adxl313"; > + reg = <0x53>; > + interrupt-parent = <&gpio0>; > + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "INT1"; > + }; > + }; > + - | > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + spi { > + #address-cells = <1>; > + #size-cells = <0>; > + > + /* Example for a SPI device node */ > + accelerometer@0 { > + compatible = "adi,adxl313"; > + reg = <0>; > + spi-max-frequency = <5000000>; > + spi-cpol; > + spi-cpha; > + interrupt-parent = <&gpio0>; > + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "INT1"; > + }; > + }; > -- > 2.32.0 > >