This is a device tree schema for iio driver for Texas Instruments ADS7142 dual-channel, programmable sensor monitor. Datasheet: https://www.ti.com/lit/ds/symlink/ads7142.pdf Signed-off-by: Jozsef Horvath <info@xxxxxxxxxxx> --- changes v1 - Redundant parameters (ti,threshold-rising, etc.) are removed - Supply name changed(vref -> avdd) - Added dvdd supply - All the properties are removed with prefix "ti," changes v2 - "ti,prealert-count" parameter added, just for completeness. --- .../bindings/iio/adc/ti,ads7142.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml new file mode 100644 index 000000000000..6e52079c68f7 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/iio/adc/ti,ads7142.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Texas Instruments ADS7142 adc driver device tree bindings + +maintainers: + - József Horváth <info@xxxxxxxxxxx> + +description: | + This document is for describing the required device tree parameters + for ads7142 adc + The required parameters for proper operation are described below. + + Datasheet: https://www.ti.com/lit/ds/symlink/ads7142.pdf + +properties: + compatible: + const: ti,ads7142 + + reg: + maxItems: 1 + + interrupts: + description: | + The BUSY/PDY pin is used as interrupt line + in autonomous monitoring mode. + maxItems: 1 + + avdd-supply: + description: Regulator for the reference voltage + + dvdd-supply: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + "#io-channel-cells": + const: 1 + + ti,prealert-count: + description: | + Sets the Pre-Alert Event Count for both, + high and low comparators, for both the channels. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 15 + minimum: 0 + +patternProperties: + "^channel@[0-1]$": + $ref: "adc.yaml" + type: object + description: | + Represents the external channels which are connected to the ADC. + properties: + reg: + description: | + The channel number. + items: + minimum: 0 + maximum: 1 + + required: + - reg + + additionalProperties: false + +required: + - compatible + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + adc@1f { + compatible = "ti,ads7142"; + reg = <0x1f>; + #address-cells = <1>; + #size-cells = <0>; + + #io-channel-cells = <1>; + + avdd-supply = <&vdd_3v3_reg>; + dvdd-supply = <&vdd_1v8_reg>; + + interrupt-parent = <&gpio>; + interrupts = <7 2>; + + ti,prealert-count = <4>; + + channel@0 { + reg = <0>; + }; + + channel@1 { + reg = <1>; + }; + }; + }; +... + -- 2.17.1
