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