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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/supply/charger-manager.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Charger Manager
maintainers:
- Sebastian Reichel <sre@kernel.org>
description: |
Binding for the legacy charger manager driver.
Please do not use for new products.
properties:
compatible:
const: charger-manager
cm-chargers:
description: name of chargers
$ref: /schemas/types.yaml#/definitions/string-array
cm-num-chargers:
$ref: /schemas/types.yaml#/definitions/uint32
deprecated: true
cm-fuel-gauge:
description: name of battery fuel gauge
$ref: /schemas/types.yaml#/definitions/string
cm-name:
description: name of the charger manager
default: battery
$ref: /schemas/types.yaml#/definitions/string
cm-poll-mode:
description: polling mode
$ref: /schemas/types.yaml#/definitions/uint32
default: 0
enum:
- 0 # disabled
- 1 # always
- 2 # when external power is connected
- 3 # when charging
cm-poll-interval:
description: polling interval (in ms)
$ref: /schemas/types.yaml#/definitions/uint32
cm-battery-stat:
description: battery status
$ref: /schemas/types.yaml#/definitions/uint32
enum:
- 0 # battery always present
- 1 # no battery
- 2 # check presence via fuel gauge
- 3 # check presence via charger
cm-fullbatt-vchkdrop-volt:
description: voltage drop before restarting charging in uV
$ref: /schemas/types.yaml#/definitions/uint32
cm-fullbatt-vchkdrop-ms:
deprecated: true
cm-fullbatt-voltage:
description: voltage of full battery in uV
$ref: /schemas/types.yaml#/definitions/uint32
cm-fullbatt-soc:
description: state of charge to consider as full battery in %
$ref: /schemas/types.yaml#/definitions/uint32
cm-fullbatt-capacity:
description: capcity to consider as full battery in uAh
$ref: /schemas/types.yaml#/definitions/uint32
cm-thermal-zone:
description: name of external thermometer's thermal zone
$ref: /schemas/types.yaml#/definitions/string
cm-discharging-max:
description: limits of discharging duration in ms
$ref: /schemas/types.yaml#/definitions/uint32
cm-charging-max:
description: limits of charging duration in ms
$ref: /schemas/types.yaml#/definitions/uint32
cm-battery-cold:
description: critical cold temperature of battery for charging in deci-degree celsius
$ref: /schemas/types.yaml#/definitions/uint32
cm-battery-cold-in-minus:
description: if set cm-battery-cold temperature is in minus degrees
type: boolean
cm-battery-hot:
description: critical hot temperature of battery for charging in deci-degree celsius
$ref: /schemas/types.yaml#/definitions/uint32
cm-battery-temp-diff:
description: temperature difference to allow recharging in deci-degree celsius
$ref: /schemas/types.yaml#/definitions/uint32
patternProperties:
"-supply$":
description: regulator consumer, named according to cm-regulator-name
$ref: /schemas/types.yaml#/definitions/phandle
"^regulator[@-][0-9]$":
type: object
properties:
cm-regulator-name:
description: name of charger regulator
$ref: /schemas/types.yaml#/definitions/string
required:
- cm-regulator-name
additionalProperties: false
patternProperties:
"^cable[@-][0-9]$":
type: object
properties:
cm-cable-name:
description: name of charger cable
enum:
- USB
- USB-HOST
- SDP
- DCP
- CDP
- ACA
- FAST-CHARGER
- SLOW-CHARGER
- WPT
- PD
- DOCK
- JIG
- MECHANICAL
cm-cable-extcon:
description: name of extcon dev
$ref: /schemas/types.yaml#/definitions/string
cm-cable-min:
description: minimum current of cable in uA
$ref: /schemas/types.yaml#/definitions/uint32
cm-cable-max:
description: maximum current of cable in uA
$ref: /schemas/types.yaml#/definitions/uint32
required:
- cm-cable-name
- cm-cable-extcon
additionalProperties: false
required:
- compatible
- cm-chargers
- cm-fuel-gauge
additionalProperties: false
examples:
- |
charger-manager {
compatible = "charger-manager";
chg-reg-supply = <&charger_regulator>;
cm-name = "battery";
/* Always polling ON : 30s */
cm-poll-mode = <1>;
cm-poll-interval = <30000>;
cm-fullbatt-vchkdrop-volt = <150000>;
cm-fullbatt-soc = <100>;
cm-battery-stat = <3>;
cm-chargers = "charger0", "charger1", "charger2";
cm-fuel-gauge = "fuelgauge0";
cm-thermal-zone = "thermal_zone.1";
/* in deci centigrade */
cm-battery-cold = <50>;
cm-battery-cold-in-minus;
cm-battery-hot = <800>;
cm-battery-temp-diff = <100>;
/* Allow charging for 5hr */
cm-charging-max = <18000000>;
/* Allow discharging for 2hr */
cm-discharging-max = <7200000>;
regulator-0 {
cm-regulator-name = "chg-reg";
cable-0 {
cm-cable-name = "USB";
cm-cable-extcon = "extcon-dev.0";
cm-cable-min = <475000>;
cm-cable-max = <500000>;
};
cable-1 {
cm-cable-name = "SDP";
cm-cable-extcon = "extcon-dev.0";
cm-cable-min = <650000>;
cm-cable-max = <675000>;
};
};
};
|
