# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/iio/adc/ti,ads7138.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments ADS7128/ADS7138 analog-to-digital converter (ADC)
maintainers:
- Tobias Sperling <tobias.sperling@softing.com>
description: |
The ADS7128 and ADS7138 chips are 12-bit, 8 channel analog-to-digital
converters (ADC) with build-in digital window comparator (DWC), using the
I2C interface.
ADS7128 differs in the addition of further hardware features, like a
root-mean-square (RMS) and a zero-crossing-detect (ZCD) module.
Datasheets:
https://www.ti.com/product/ADS7128
https://www.ti.com/product/ADS7138
properties:
compatible:
enum:
- ti,ads7128
- ti,ads7138
reg:
maxItems: 1
avdd-supply:
description:
The regulator used as analog supply voltage as well as reference voltage.
interrupts:
description:
Interrupt on ALERT pin, triggers on low level.
maxItems: 1
required:
- compatible
- reg
- avdd-supply
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
adc@10 {
compatible = "ti,ads7138";
reg = <0x10>;
avdd-supply = <®_stb_3v3>;
interrupt-parent = <&gpio2>;
interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
};
};
...
