| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/power/supply/qcom,pm8916-bms-vm.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Qualcomm Voltage Mode BMS |
| |
| maintainers: |
| - Nikita Travkin <nikita@trvn.ru> |
| |
| description: |
| Voltage Mode BMS is a hardware block found in some Qualcomm PMICs |
| such as pm8916. This block performs battery voltage monitoring. |
| |
| allOf: |
| - $ref: power-supply.yaml# |
| |
| properties: |
| compatible: |
| const: qcom,pm8916-bms-vm |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| items: |
| - description: BMS FSM left S3 mode |
| - description: BMS FSM entered S2 mode |
| - description: OCV measured in S3 mode |
| - description: OCV below threshold |
| - description: FIFO update done |
| - description: BMS FSM switched state |
| |
| interrupt-names: |
| items: |
| - const: cv_leave |
| - const: cv_enter |
| - const: ocv_good |
| - const: ocv_thr |
| - const: fifo |
| - const: state_chg |
| |
| monitored-battery: true |
| |
| power-supplies: true |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - interrupt-names |
| - monitored-battery |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| pmic { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| battery@4000 { |
| compatible = "qcom,pm8916-bms-vm"; |
| reg = <0x4000>; |
| interrupts = <0x0 0x40 0 IRQ_TYPE_EDGE_RISING>, |
| <0x0 0x40 1 IRQ_TYPE_EDGE_RISING>, |
| <0x0 0x40 2 IRQ_TYPE_EDGE_RISING>, |
| <0x0 0x40 3 IRQ_TYPE_EDGE_RISING>, |
| <0x0 0x40 4 IRQ_TYPE_EDGE_RISING>, |
| <0x0 0x40 5 IRQ_TYPE_EDGE_RISING>; |
| interrupt-names = "cv_leave", |
| "cv_enter", |
| "ocv_good", |
| "ocv_thr", |
| "fifo", |
| "state_chg"; |
| |
| monitored-battery = <&battery>; |
| power-supplies = <&pm8916_charger>; |
| }; |
| }; |
