Add device tree bindings for the ad7877 driver. Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> --- .../input/touchscreen/adi,ad7877.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/adi,ad7877.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/adi,ad7877.yaml b/Documentation/devicetree/bindings/input/touchscreen/adi,ad7877.yaml new file mode 100644 index 000000000000..5fc5124c5999 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/adi,ad7877.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/adi,ad7877.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD7877 Touch Screen Controller + +maintainers: + - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> + +description: | + Analog Devices Touch Screen Controller + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7877.pdf + +allOf: + - $ref: touchscreen.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + enum: + - adi,ad7877 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + spi-max-frequency: + description: AD7877 SPI bus clock frequency. + minimum: 10000 + maximum: 20000000 + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@0 { + compatible = "adi,ad7877"; + reg = <0>; + spi-max-frequency = <20000000>; + interrupts = <21 IRQ_TYPE_EDGE_FALLING>; + interrupt-parent = <&gpio>; + }; + }; +... -- 2.46.0
