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Mon, 27 Oct 2025 04:45:09 -0700 (PDT) Date: Mon, 27 Oct 2025 13:45:05 +0200 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 , Michael Turquette , Stephen Boyd , Matti Vaittinen , Linus Walleij , Bartosz Golaszewski , Andreas Kemnade , Alexandre Belloni , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [PATCH v2 02/15] dt-bindings: Add trickle-charge upper limit Message-ID: 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="0aGnDoHzYmHLbrXY" Content-Disposition: inline In-Reply-To: --0aGnDoHzYmHLbrXY 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 --- Revision history: RFCv1 =3D>: - No changes --- 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 --0aGnDoHzYmHLbrXY Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEIx+f8wZb28fLKEhTeFA3/03aocUFAmj/W0EACgkQeFA3/03a ocVHlwf/WmMG+VHvvbW2L2DZtJpJaw0EfC6PYPUNs9yBLXDr+CfL0pRslVccxRKB Jmbbt/J+CQ5jhDcPysdGvd4gvl2XqZlNW74w9zBpGGeoAXN3RepiLjwPu07tbi3q KsMyf0UBeVGeZMD89Z0iyf+i9uAPjIbL7jsJ67Im5cg7H5xWctMEjPmQSAYOZI3n HLbSqG7+HsWQN/9V3fqNVE4g3O7gipBY8F0ZZQzdZcU0EEimtnwhpyUz1VHnQVIQ R9MRt7+1ynYb/Hr3y/3yUjLfNmwvD5atDA2znKphM6acJ/LgYTJA4sg2Nvco36Xw A5pNMofVjUgxD7NYCslLgrj9UeRj+Q== =OPBq -----END PGP SIGNATURE----- --0aGnDoHzYmHLbrXY--