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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwmon/renesas,isl28022.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas ISL28022 power monitor
maintainers:
- Carsten Spieß <mail@carsten-spiess.de>
description: |
The ISL28022 is a power monitor with I2C interface. The device monitors
voltage, current via shunt resistor and calculated power.
Datasheets:
https://www.renesas.com/us/en/www/doc/datasheet/isl28022.pdf
properties:
compatible:
const: renesas,isl28022
reg:
maxItems: 1
shunt-resistor-micro-ohms:
description:
Shunt resistor value in micro-Ohm
minimum: 800
default: 10000
renesas,shunt-range-microvolt:
description:
Maximal shunt voltage range of +/- 40 mV, 80 mV, 160 mV or 320 mV
default: 320000
enum: [40000, 80000, 160000, 320000]
renesas,average-samples:
description:
Number of samples to be used to report voltage, current and power values.
default: 1
$ref: /schemas/types.yaml#/definitions/uint32
enum: [1, 2, 4, 8, 16, 32, 64, 128]
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
power-monitor@40 {
compatible = "renesas,isl28022";
reg = <0x40>;
shunt-resistor-micro-ohms = <8000>;
renesas,shunt-range-microvolt = <40000>;
renesas,average-samples = <128>;
};
};
|
