forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.0 KiB
77 lines
2.0 KiB
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
|
%YAML 1.2 |
|
--- |
|
|
|
$id: http://devicetree.org/schemas/hwmon/ti,ina2xx.yaml# |
|
$schema: http://devicetree.org/meta-schemas/core.yaml# |
|
|
|
title: Texas Instruments INA209 family of power/voltage monitors |
|
|
|
maintainers: |
|
- Krzysztof Kozlowski <[email protected]> |
|
|
|
description: | |
|
The INA209 is a high-side current shunt and power monitor with |
|
an I2C interface. |
|
|
|
Datasheets: |
|
https://www.ti.com/product/INA209 |
|
|
|
properties: |
|
compatible: |
|
enum: |
|
- ti,ina209 |
|
- ti,ina219 |
|
- ti,ina220 |
|
- ti,ina226 |
|
- ti,ina230 |
|
- ti,ina231 |
|
- ti,ina238 |
|
|
|
reg: |
|
maxItems: 1 |
|
|
|
shunt-resistor: |
|
description: |
|
Shunt resistor value in micro-Ohm. |
|
$ref: /schemas/types.yaml#/definitions/uint32 |
|
|
|
ti,shunt-gain: |
|
description: | |
|
Programmable gain divisor for the shunt voltage accuracy and range. This |
|
property only applies to devices that have configurable PGA/ADCRANGE. The |
|
gain value is used configure the gain and to convert the shunt voltage, |
|
current and power register values when reading measurements from the |
|
device. |
|
|
|
For devices that have a configurable PGA (e.g. INA209, INA219, INA220), |
|
the gain value maps directly with the PG bits of the config register. |
|
|
|
For devices that have ADCRANGE configuration (e.g. INA238) a shunt-gain |
|
value of 1 maps to ADCRANGE=1 where no gain divisor is applied to the |
|
shunt voltage, and a value of 4 maps to ADCRANGE=0 such that a wider |
|
voltage range is used. |
|
|
|
The default value is device dependent, and is defined by the reset value |
|
of PGA/ADCRANGE in the respective configuration registers. |
|
$ref: /schemas/types.yaml#/definitions/uint32 |
|
enum: [1, 2, 4, 8] |
|
|
|
required: |
|
- compatible |
|
- reg |
|
|
|
additionalProperties: false |
|
|
|
examples: |
|
- | |
|
i2c { |
|
#address-cells = <1>; |
|
#size-cells = <0>; |
|
|
|
power-sensor@44 { |
|
compatible = "ti,ina220"; |
|
reg = <0x44>; |
|
shunt-resistor = <1000>; |
|
}; |
|
};
|
|
|