120 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)2%YAML 1.23---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-adc19 20 reg:21 maxItems: 122 23 interrupts:24 maxItems: 125 26 vref-supply:27 description: Optional supply of the reference voltage28 29 "#io-channel-cells":30 const: 131 32 '#address-cells':33 const: 134 35 '#size-cells':36 const: 037 38required:39 - compatible40 - reg41 42patternProperties:43 "^channel@[0-7]$":44 $ref: adc.yaml45 type: object46 47 properties:48 reg:49 description: |50 The channel number. It can have up to 8 channels51 items:52 minimum: 053 maximum: 754 55 settling-time-us: true56 oversampling-ratio: true57 58 required:59 - reg60 61 additionalProperties: false62 63allOf:64 - $ref: /schemas/spi/spi-peripheral-props.yaml#65 66unevaluatedProperties: false67 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...120