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dt-bindings: power: supply: Add pm8916 LBC
Qualcomm Linear Battery Charger is a CC/CV charger block in PM8916 PMIC.
Document it's DT binding.
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230915-pm8916-bms-lbc-v3-2-f30881e951a0@trvn.ru
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
authored by
Nikita Travkin
and committed by
Sebastian Reichel
5cee843d
7f590e38
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Documentation/devicetree/bindings/power/supply/qcom,pm8916-lbc.yaml
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Documentation/devicetree/bindings/power/supply/qcom,pm8916-lbc.yaml
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# 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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$id: http://devicetree.org/schemas/power/supply/qcom,pm8916-lbc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Linear Battery Charger
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maintainers:
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- Nikita Travkin <nikita@trvn.ru>
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description:
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Linear Battery Charger hardware block, found in some Qualcomm PMICs
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such as pm8916. Implements a simple, autonomous CC/CV charger.
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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-lbc
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reg:
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items:
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- description: Charger
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- description: Battery
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- description: USB
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- description: MISC
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reg-names:
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items:
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- const: chgr
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- const: bat_if
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- const: usb
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- const: misc
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interrupts:
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items:
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- description: Battery detection
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- description: Fast charging
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- description: Charging failed
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- description: Charging done
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- description: Battery present
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- description: Battery temperature OK
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- description: USB coarse detection
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- description: USB IN valid
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- description: Charger gone
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- description: Overtemperature
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interrupt-names:
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items:
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- const: vbat_det
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- const: fast_chg
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- const: chg_fail
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- const: chg_done
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- const: bat_pres
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- const: temp_ok
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- const: coarse_det
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- const: usb_vbus
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- const: chg_gone
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- const: overtemp
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qcom,fast-charge-safe-voltage:
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 4000000
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maximum: 4775000
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description:
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Maximum safe battery voltage in uV; May be pre-set by bootloader,
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in which case, setting this will harmlessly fail.
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qcom,fast-charge-safe-current:
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 90000
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maximum: 1440000
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description:
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Maximum safe battery charge current in uA; May be pre-set by
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bootloader, in which case setting this will harmlessly fail.
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monitored-battery: 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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- qcom,fast-charge-safe-voltage
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- qcom,fast-charge-safe-current
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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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charger@1000 {
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compatible = "qcom,pm8916-lbc";
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reg = <0x1000>, <0x1200>, <0x1300>, <0x1600>;
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reg-names = "chgr", "bat_if", "usb", "misc";
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interrupts = <0x0 0x10 0 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x10 5 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x10 6 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x10 7 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x12 0 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x12 1 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x13 0 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x13 1 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x13 2 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x13 4 IRQ_TYPE_EDGE_BOTH>;
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interrupt-names = "vbat_det",
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"fast_chg",
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"chg_fail",
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"chg_done",
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"bat_pres",
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"temp_ok",
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"coarse_det",
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"usb_vbus",
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"chg_gone",
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"overtemp";
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monitored-battery = <&battery>;
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qcom,fast-charge-safe-current = <900000>;
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qcom,fast-charge-safe-voltage = <4300000>;
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};
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};