83 lines
2 KiB
YAML
83 lines
2 KiB
YAML
# 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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$id: http://devicetree.org/schemas/power/supply/qcom,pm8916-bms-vm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Voltage Mode BMS
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maintainers:
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- Nikita Travkin <nikita@trvn.ru>
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description:
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Voltage Mode BMS is a hardware block found in some Qualcomm PMICs
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such as pm8916. This block performs battery voltage monitoring.
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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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const: qcom,pm8916-bms-vm
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: BMS FSM left S3 mode
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- description: BMS FSM entered S2 mode
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- description: OCV measured in S3 mode
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- description: OCV below threshold
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- description: FIFO update done
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- description: BMS FSM switched state
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interrupt-names:
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items:
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- const: cv_leave
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- const: cv_enter
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- const: ocv_good
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- const: ocv_thr
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- const: fifo
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- const: state_chg
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monitored-battery: true
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power-supplies: true
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required:
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- compatible
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- reg
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- interrupts
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- interrupt-names
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- monitored-battery
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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pmic {
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#address-cells = <1>;
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#size-cells = <0>;
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battery@4000 {
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compatible = "qcom,pm8916-bms-vm";
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reg = <0x4000>;
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interrupts = <0x0 0x40 0 IRQ_TYPE_EDGE_RISING>,
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<0x0 0x40 1 IRQ_TYPE_EDGE_RISING>,
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<0x0 0x40 2 IRQ_TYPE_EDGE_RISING>,
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<0x0 0x40 3 IRQ_TYPE_EDGE_RISING>,
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<0x0 0x40 4 IRQ_TYPE_EDGE_RISING>,
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<0x0 0x40 5 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "cv_leave",
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"cv_enter",
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"ocv_good",
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"ocv_thr",
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"fifo",
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"state_chg";
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monitored-battery = <&battery>;
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power-supplies = <&pm8916_charger>;
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};
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};
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