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a113870165
Add documentation of new properties for sample averaging in PMON_CONFIG register. New properties: - adi,volt-curr-sample-average - adi,power-sample-average Signed-off-by: Potin Lai <potin.lai@quantatw.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220302123817.27025-3-potin.lai@quantatw.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
126 lines
2.8 KiB
YAML
126 lines
2.8 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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$id: http://devicetree.org/schemas/hwmon/adi,adm1275.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog Devices ADM1075/ADM127x/ADM129x digital power monitors
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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description: |
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The ADM1293 and ADM1294 are high accuracy integrated digital power monitors
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that offer digital current, voltage, and power monitoring using an on-chip,
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12-bit analog-to-digital converter (ADC), communicated through a PMBus
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compliant I2C interface.
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Datasheets:
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https://www.analog.com/en/products/adm1294.html
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properties:
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compatible:
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enum:
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- adi,adm1075
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- adi,adm1272
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- adi,adm1275
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- adi,adm1276
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- adi,adm1278
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- adi,adm1293
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- adi,adm1294
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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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adi,volt-curr-sample-average:
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description: |
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Number of samples to be used to report voltage and current values.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [1, 2, 4, 8, 16, 32, 64, 128]
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adi,power-sample-average:
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description: |
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Number of samples to be used to report power values.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [1, 2, 4, 8, 16, 32, 64, 128]
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- adi,adm1075
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- adi,adm1276
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then:
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properties:
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adi,volt-curr-sample-average:
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default: 128
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adi,power-sample-average: false
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- if:
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properties:
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compatible:
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contains:
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enum:
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- adi,adm1275
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then:
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properties:
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adi,volt-curr-sample-average:
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default: 16
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adi,power-sample-average: false
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- if:
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properties:
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compatible:
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contains:
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enum:
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- adi,adm1272
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then:
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properties:
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adi,volt-curr-sample-average:
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default: 128
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adi,power-sample-average:
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default: 128
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- if:
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properties:
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compatible:
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contains:
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enum:
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- adi,adm1278
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- adi,adm1293
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- adi,adm1294
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then:
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properties:
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adi,volt-curr-sample-average:
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default: 128
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adi,power-sample-average:
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default: 1
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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-sensor@10 {
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compatible = "adi,adm1272";
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reg = <0x10>;
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shunt-resistor-micro-ohms = <500>;
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adi,volt-curr-sample-average = <128>;
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adi,power-sample-average = <128>;
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};
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};
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