| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/power/supply/qcom,pm8916-bms-vm.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm Voltage Mode BMS |
| 8 | |
| 9 | maintainers: |
| 10 | - Nikita Travkin <nikita@trvn.ru> |
| 11 | |
| 12 | description: |
| 13 | Voltage Mode BMS is a hardware block found in some Qualcomm PMICs |
| 14 | such as pm8916. This block performs battery voltage monitoring. |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: power-supply.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | const: qcom,pm8916-bms-vm |
| 22 | |
| 23 | reg: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | interrupts: |
| 27 | items: |
| 28 | - description: BMS FSM left S3 mode |
| 29 | - description: BMS FSM entered S2 mode |
| 30 | - description: OCV measured in S3 mode |
| 31 | - description: OCV below threshold |
| 32 | - description: FIFO update done |
| 33 | - description: BMS FSM switched state |
| 34 | |
| 35 | interrupt-names: |
| 36 | items: |
| 37 | - const: cv_leave |
| 38 | - const: cv_enter |
| 39 | - const: ocv_good |
| 40 | - const: ocv_thr |
| 41 | - const: fifo |
| 42 | - const: state_chg |
| 43 | |
| 44 | monitored-battery: true |
| 45 | |
| 46 | power-supplies: true |
| 47 | |
| 48 | required: |
| 49 | - compatible |
| 50 | - reg |
| 51 | - interrupts |
| 52 | - interrupt-names |
| 53 | - monitored-battery |
| 54 | |
| 55 | additionalProperties: false |
| 56 | |
| 57 | examples: |
| 58 | - | |
| 59 | #include <dt-bindings/interrupt-controller/irq.h> |
| 60 | pmic { |
| 61 | #address-cells = <1>; |
| 62 | #size-cells = <0>; |
| 63 | |
| 64 | battery@4000 { |
| 65 | compatible = "qcom,pm8916-bms-vm"; |
| 66 | reg = <0x4000>; |
| 67 | interrupts = <0x0 0x40 0 IRQ_TYPE_EDGE_RISING>, |
| 68 | <0x0 0x40 1 IRQ_TYPE_EDGE_RISING>, |
| 69 | <0x0 0x40 2 IRQ_TYPE_EDGE_RISING>, |
| 70 | <0x0 0x40 3 IRQ_TYPE_EDGE_RISING>, |
| 71 | <0x0 0x40 4 IRQ_TYPE_EDGE_RISING>, |
| 72 | <0x0 0x40 5 IRQ_TYPE_EDGE_RISING>; |
| 73 | interrupt-names = "cv_leave", |
| 74 | "cv_enter", |
| 75 | "ocv_good", |
| 76 | "ocv_thr", |
| 77 | "fifo", |
| 78 | "state_chg"; |
| 79 | |
| 80 | monitored-battery = <&battery>; |
| 81 | power-supplies = <&pm8916_charger>; |
| 82 | }; |
| 83 | }; |