ti,tsc2046.yaml

  1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/iio/adc/ti,tsc2046.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Texas Instruments TSC2046 touch screen controller.
  8
  9maintainers:
 10  - Oleksij Rempel <o.rempel@pengutronix.de>
 11
 12description: |
 13  TSC2046 is a touch screen controller with 8 channels ADC.
 14
 15properties:
 16  compatible:
 17    enum:
 18      - ti,tsc2046e-adc
 19
 20  reg:
 21    maxItems: 1
 22
 23  interrupts:
 24    maxItems: 1
 25
 26  vref-supply:
 27    description: Optional supply of the reference voltage
 28
 29  "#io-channel-cells":
 30    const: 1
 31
 32  '#address-cells':
 33    const: 1
 34
 35  '#size-cells':
 36    const: 0
 37
 38required:
 39  - compatible
 40  - reg
 41
 42patternProperties:
 43  "^channel@[0-7]$":
 44    $ref: adc.yaml
 45    type: object
 46
 47    properties:
 48      reg:
 49        description: |
 50          The channel number. It can have up to 8 channels
 51        items:
 52          minimum: 0
 53          maximum: 7
 54
 55      settling-time-us: true
 56      oversampling-ratio: true
 57
 58    required:
 59      - reg
 60
 61    additionalProperties: false
 62
 63allOf:
 64  - $ref: /schemas/spi/spi-peripheral-props.yaml#
 65
 66unevaluatedProperties: false
 67
 68examples:
 69  - |
 70    #include <dt-bindings/interrupt-controller/irq.h>
 71    spi {
 72        #address-cells = <1>;
 73        #size-cells = <0>;
 74
 75        adc@0 {
 76            compatible = "ti,tsc2046e-adc";
 77            reg = <0>;
 78            spi-max-frequency = <1000000>;
 79            interrupts-extended = <&gpio3 20 IRQ_TYPE_LEVEL_LOW>;
 80            #io-channel-cells = <1>;
 81
 82            #address-cells = <1>;
 83            #size-cells = <0>;
 84
 85            channel@0 {
 86                reg = <0>;
 87            };
 88            channel@1 {
 89                reg = <1>;
 90                settling-time-us = <700>;
 91                oversampling-ratio = <5>;
 92            };
 93            channel@2 {
 94                reg = <2>;
 95            };
 96            channel@3 {
 97                reg = <3>;
 98                settling-time-us = <700>;
 99                oversampling-ratio = <5>;
100            };
101            channel@4 {
102                reg = <4>;
103                settling-time-us = <700>;
104                oversampling-ratio = <5>;
105            };
106            channel@5 {
107                reg = <5>;
108                settling-time-us = <700>;
109                oversampling-ratio = <5>;
110            };
111            channel@6 {
112                reg = <6>;
113            };
114            channel@7 {
115                reg = <7>;
116            };
117        };
118    };
119...