98 lines
2.3 KiB
YAML
98 lines
2.3 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/supply/maxim,max17040.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim 17040 fuel gauge series
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maintainers:
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- Sebastian Reichel <sre@kernel.org>
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allOf:
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- $ref: power-supply.yaml#
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properties:
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compatible:
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enum:
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- maxim,max17040
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- maxim,max17041
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- maxim,max17043
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- maxim,max17044
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- maxim,max17048
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- maxim,max17049
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- maxim,max17058
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- maxim,max17059
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- maxim,max77836-battery
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reg:
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maxItems: 1
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maxim,alert-low-soc-level:
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 1
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maximum: 32
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description: |
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The alert threshold that sets the state of charge level (%) where an interrupt is generated.
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If skipped the power up default value of 4 (%) will be used.
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maxim,double-soc:
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type: boolean
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description: |
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Certain devices return double the capacity.
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Specify this to divide the reported value in 2 and thus normalize it.
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SoC == State of Charge == Capacity.
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maxim,rcomp:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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minItems: 1
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maxItems: 2
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description: |
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A value to compensate readings for various battery chemistries and operating temperatures.
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max17040,41 have 2 byte rcomp, default to 0x97 0x00.
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All other devices have one byte rcomp, default to 0x97.
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interrupts:
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maxItems: 1
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wakeup-source:
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type: boolean
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description: |
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Use this property to use alert low SoC level interrupt as wake up source.
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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i2c0 {
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#address-cells = <1>;
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#size-cells = <0>;
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battery@36 {
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compatible = "maxim,max17048";
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reg = <0x36>;
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maxim,rcomp = /bits/ 8 <0x56>;
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maxim,alert-low-soc-level = <10>;
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maxim,double-soc;
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};
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};
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- |
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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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battery@36 {
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compatible = "maxim,max77836-battery";
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reg = <0x36>;
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maxim,alert-low-soc-level = <10>;
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interrupt-parent = <&gpio7>;
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interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
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wakeup-source;
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};
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};
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