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