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authorCaleb Connolly <caleb.connolly@linaro.org>2023-05-26 23:44:15 +0200
committerSebastian Reichel <sebastian.reichel@collabora.com>2023-06-09 01:20:14 +0200
commit8648aeb5d7b70e13264ff5f444f22081d37d4670 (patch)
tree4e47546f1873f03588dd9b01c55efd9559bc4a47 /LICENSES/exceptions
parentdt-bindings: power: supply: qcom,pmi8998-charger: add bindings for smb2 driver (diff)
downloadlinux-8648aeb5d7b70e13264ff5f444f22081d37d4670.tar.xz
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power: supply: add Qualcomm PMI8998 SMB2 Charger driver
Add a driver for the SMB2 charger block found in the Qualcomm PMI8998 and PM660. This driver is capable of utilising Qualcomm's Automatic Power Source Detection (APSD) BC1.2 implementation, as well as Automatic Input Current Limiting (AICL) to configure the maximum input current limit of DCP (wall) chargers. Quick Charge is not currently supported. Most devices using the smb2 charger have a secondary dedicated charger chip which is used in parallel to enable faster charger without overheating. However, not all do, as a result to ensure safety until these are supported, the maximum current is limited to ~1A via the FAST_CHARGE_CURRENT_CFG register. Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org> Tested-by: Joel Selvaraj <joelselvaraj.oss@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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