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