| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/power/supply/qcom,pm8916-lbc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Qualcomm Linear Battery Charger |
| |
| maintainers: |
| - Nikita Travkin <nikita@trvn.ru> |
| |
| description: |
| Linear Battery Charger hardware block, found in some Qualcomm PMICs |
| such as pm8916. Implements a simple, autonomous CC/CV charger. |
| |
| allOf: |
| - $ref: power-supply.yaml# |
| |
| properties: |
| compatible: |
| const: qcom,pm8916-lbc |
| |
| reg: |
| items: |
| - description: Charger |
| - description: Battery |
| - description: USB |
| - description: MISC |
| |
| reg-names: |
| items: |
| - const: chgr |
| - const: bat_if |
| - const: usb |
| - const: misc |
| |
| interrupts: |
| items: |
| - description: Battery detection |
| - description: Fast charging |
| - description: Charging failed |
| - description: Charging done |
| - description: Battery present |
| - description: Battery temperature OK |
| - description: USB coarse detection |
| - description: USB IN valid |
| - description: Charger gone |
| - description: Overtemperature |
| |
| interrupt-names: |
| items: |
| - const: vbat_det |
| - const: fast_chg |
| - const: chg_fail |
| - const: chg_done |
| - const: bat_pres |
| - const: temp_ok |
| - const: coarse_det |
| - const: usb_vbus |
| - const: chg_gone |
| - const: overtemp |
| |
| qcom,fast-charge-safe-voltage: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 4000000 |
| maximum: 4775000 |
| description: |
| Maximum safe battery voltage in uV; May be pre-set by bootloader, |
| in which case, setting this will harmlessly fail. |
| |
| qcom,fast-charge-safe-current: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 90000 |
| maximum: 1440000 |
| description: |
| Maximum safe battery charge current in uA; May be pre-set by |
| bootloader, in which case setting this will harmlessly fail. |
| |
| monitored-battery: true |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - interrupt-names |
| - qcom,fast-charge-safe-voltage |
| - qcom,fast-charge-safe-current |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| pmic { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| charger@1000 { |
| compatible = "qcom,pm8916-lbc"; |
| reg = <0x1000>, <0x1200>, <0x1300>, <0x1600>; |
| reg-names = "chgr", "bat_if", "usb", "misc"; |
| |
| interrupts = <0x0 0x10 0 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x10 5 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x10 6 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x10 7 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x12 0 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x12 1 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x13 0 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x13 1 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x13 2 IRQ_TYPE_EDGE_BOTH>, |
| <0x0 0x13 4 IRQ_TYPE_EDGE_BOTH>; |
| interrupt-names = "vbat_det", |
| "fast_chg", |
| "chg_fail", |
| "chg_done", |
| "bat_pres", |
| "temp_ok", |
| "coarse_det", |
| "usb_vbus", |
| "chg_gone", |
| "overtemp"; |
| monitored-battery = <&battery>; |
| |
| qcom,fast-charge-safe-current = <900000>; |
| qcom,fast-charge-safe-voltage = <4300000>; |
| }; |
| }; |
