| # 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>; |
| }; |
| }; |
