121 lines
2.9 KiB
YAML
121 lines
2.9 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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$id: http://devicetree.org/schemas/iio/adc/microchip,pac1934.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip PAC1934 Power Monitors with Accumulator
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maintainers:
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- Marius Cristea <marius.cristea@microchip.com>
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description: |
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This device is part of the Microchip family of Power Monitors with
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Accumulator.
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The datasheet for PAC1931, PAC1932, PAC1933 and PAC1934 can be found here:
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https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/PAC1931-Family-Data-Sheet-DS20005850E.pdf
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properties:
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compatible:
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enum:
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- microchip,pac1931
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- microchip,pac1932
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- microchip,pac1933
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- microchip,pac1934
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reg:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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interrupts:
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maxItems: 1
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slow-io-gpios:
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description:
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A GPIO used to trigger a change is sampling rate (lowering the chip power
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consumption). If configured in SLOW mode, if this pin is forced high,
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sampling rate is forced to eight samples/second. When it is forced low,
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the sampling rate is 1024 samples/second unless a different sample rate
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has been programmed.
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patternProperties:
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"^channel@[1-4]+$":
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type: object
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$ref: adc.yaml
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description:
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Represents the external channels which are connected to the ADC.
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properties:
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reg:
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items:
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minimum: 1
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maximum: 4
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shunt-resistor-micro-ohms:
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description:
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Value in micro Ohms of the shunt resistor connected between
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the SENSE+ and SENSE- inputs, across which the current is measured.
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Value is needed to compute the scaling of the measured current.
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required:
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- reg
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- shunt-resistor-micro-ohms
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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- "#address-cells"
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- "#size-cells"
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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@10 {
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compatible = "microchip,pac1934";
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reg = <0x10>;
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#address-cells = <1>;
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#size-cells = <0>;
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channel@1 {
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reg = <0x1>;
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shunt-resistor-micro-ohms = <24900000>;
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label = "CPU";
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};
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channel@2 {
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reg = <0x2>;
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shunt-resistor-micro-ohms = <49900000>;
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label = "GPU";
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};
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channel@3 {
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reg = <0x3>;
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shunt-resistor-micro-ohms = <75000000>;
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label = "MEM";
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bipolar;
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};
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channel@4 {
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reg = <0x4>;
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shunt-resistor-micro-ohms = <100000000>;
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label = "NET";
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bipolar;
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};
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};
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};
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...
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