120 lines
2.4 KiB
YAML
120 lines
2.4 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/adc/ti,tsc2046.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments TSC2046 touch screen controller.
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maintainers:
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- Oleksij Rempel <o.rempel@pengutronix.de>
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description: |
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TSC2046 is a touch screen controller with 8 channels ADC.
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properties:
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compatible:
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enum:
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- ti,tsc2046e-adc
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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vref-supply:
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description: Optional supply of the reference voltage
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"#io-channel-cells":
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const: 1
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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required:
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- compatible
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- reg
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patternProperties:
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"^channel@[0-7]$":
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$ref: "adc.yaml"
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type: object
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properties:
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reg:
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description: |
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The channel number. It can have up to 8 channels
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items:
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minimum: 0
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maximum: 7
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settling-time-us: true
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oversampling-ratio: true
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required:
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- reg
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additionalProperties: false
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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adc@0 {
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compatible = "ti,tsc2046e-adc";
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reg = <0>;
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spi-max-frequency = <1000000>;
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interrupts-extended = <&gpio3 20 IRQ_TYPE_LEVEL_LOW>;
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#io-channel-cells = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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channel@0 {
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reg = <0>;
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};
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channel@1 {
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reg = <1>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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channel@2 {
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reg = <2>;
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};
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channel@3 {
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reg = <3>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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channel@4 {
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reg = <4>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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channel@5 {
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reg = <5>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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channel@6 {
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reg = <6>;
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};
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channel@7 {
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reg = <7>;
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};
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};
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};
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...
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