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Tue, 07 Oct 2025 01:33:11 -0700 (PDT) Date: Tue, 7 Oct 2025 11:33:07 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Lee Jones , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sebastian Reichel , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski , Matti Vaittinen , Andreas Kemnade , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [RFC PATCH 02/13] dt-bindings: Add trickle-charge upper limit Message-ID: <072180743039027b8476525bfb3d04b3dd044be1.1759824376.git.mazziesaccount@gmail.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="v2C5QlrJAk9yRRw2" Content-Disposition: inline In-Reply-To: --v2C5QlrJAk9yRRw2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Some of the chargers for lithium-ion batteries use a trickle-charging as a first charging phase for very empty batteries, to "wake-up" the battery. Trickle-charging is a low current, constant current phase. After the voltage of the very empty battery has reached an upper limit for trickle charging, the pre-charge phase is started with a higher current. Allow defining the upper limit for trickle charging voltage, after which the charging should be changed to the pre-charging. Signed-off-by: Matti Vaittinen Reviewed-by: Linus Walleij --- Documentation/devicetree/bindings/power/supply/battery.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/power/supply/battery.yaml b/= Documentation/devicetree/bindings/power/supply/battery.yaml index 491488e7b970..66bed24b3dee 100644 --- a/Documentation/devicetree/bindings/power/supply/battery.yaml +++ b/Documentation/devicetree/bindings/power/supply/battery.yaml @@ -66,6 +66,9 @@ properties: trickle-charge-current-microamp: description: current for trickle-charge phase =20 + tricklecharge-upper-limit-microvolt: + description: limit when to change to precharge from trickle charge + precharge-current-microamp: description: current for pre-charge phase =20 --=20 2.51.0 --v2C5QlrJAk9yRRw2 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEIx+f8wZb28fLKEhTeFA3/03aocUFAmjk0EMACgkQeFA3/03a ocXmPwgAxfL/bnwzJGbWAfYUHNKmQwT+fSbIu0KruqseE4yNXxdi24bAtxHIFSbw +WR6S46YkHhtZXkD0Ew/skbhuRAaYjmP/NbJYVQdRBj6l5GUcmxtxs3uiadOmaGU UWa3wakGNMZIdRrOguR7syzu7tq+gc6R0XS7v+EEksiFi9arXBXmknN012XK6x0E Z/ywhwDzT05HmPuxGV1BtfUd2RlZhfx1w7M9PM4dcNWi0edfB4jgwKNPEUa3A2sR SfcnNxz+lX34BASK6I2E+zqUfMmg0fBvNCDEC7xbxn98oTU9ceCuj5ADDG7c0wXd gjb9SctkHZE5Cw67sS2Vg/Lu7E975A== =b1vC -----END PGP SIGNATURE----- --v2C5QlrJAk9yRRw2--