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dts: charger: bq24190: expand description

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Briefly describe the main features of the charger.

Also, provide an example of how the charger can be placed
as a child node within device tree.

On the other hand, detail the meaning the of the properties,
including their range.

Signed-off-by: Kiara Navarro <knavarro@paltatech.com>
This commit is contained in:
Kiara Navarro 2025-03-04 20:58:06 -03:00 • committed by Benjamin Cabé
commit 4ee8c00494
1 changed files with 25 additions and 1 deletions
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26
dts/bindings/charger/ti,bq24190.yaml
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@ -1,7 +1,23 @@
# Copyright 2023 Cirrus Logic, Inc.
# Copyright 2025 Palta Tech, S.A
# SPDX-License-Identifier: Apache-2.0
description: Texas Instruments family of BQ24190 of charging ICs
description: |
BQ2419x family of charging ICs.
BQ2419x I2C controlled, 1-Cell, 4.5-A, USB/Adapter Charger with Narrow VDC Power Path Management
and USB OTG
This charger is represented by device tree child node, e.g:
charger: bq24190@6b {
compatible = "ti,bq24190";
reg = <0x6b>;
status = "okay";
constant-charge-current-max-microamp = <1000000>;
constant-charge-voltage-max-microvolt = <3800000>;
};
include: [battery.yaml, i2c-device.yaml]
@ -10,9 +26,17 @@ compatible: "ti,bq24190"
properties:
constant-charge-current-max-microamp:
required: true
description: |
The charge current target for the constant current phase of the charge profile.
This value will be set at initialization time. Range: 512 mA to 4.544 A.
The value specified will be rounded down to the closest implemented value.
constant-charge-voltage-max-microvolt:
required: true
description: |
The voltage regulation target for the constant voltage phase of the battery charging profile.
This value will be set at initialization time. Range: 3.504 V to 4.400 V.
The value specified will be rounded down to the closest implemented value.
ce-gpios:
type: phandle-array