68 lines
1.8 KiB
YAML
68 lines
1.8 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/hwmon/adi,adm1177.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
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maintainers:
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- Michael Hennerich <michael.hennerich@analog.com>
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description: |
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Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
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properties:
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compatible:
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enum:
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- adi,adm1177
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reg:
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maxItems: 1
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avcc-supply:
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description:
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Phandle to the Avcc power supply
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shunt-resistor-micro-ohms:
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description:
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The value of curent sense resistor in microohms. If not provided,
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the current reading and overcurrent alert is disabled.
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adi,shutdown-threshold-microamp:
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description:
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Specifies the current level at which an over current alert occurs.
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If not provided, the overcurrent alert is configured to max ADC range
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based on shunt-resistor-micro-ohms.
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adi,vrange-high-enable:
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description:
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Specifies which internal voltage divider to be used. A 1 selects
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a 7:2 voltage divider while a 0 selects a 14:1 voltage divider.
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type: boolean
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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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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c0 {
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#address-cells = <1>;
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#size-cells = <0>;
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pwmon@5a {
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compatible = "adi,adm1177";
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reg = <0x5a>;
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shunt-resistor-micro-ohms = <50000>; /* 50 mOhm */
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adi,shutdown-threshold-microamp = <1059000>; /* 1.059 A */
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adi,vrange-high-enable;
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};
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};
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...
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