On 07/02/2023 16:46, Lucas Tanure wrote: >>> + Shared boost allows two amplifiers to share a single boost circuit by >>> + communicating on the MDSYNC bus. The passive amplifier does not control >>> + the boost and receives data from the active amplifier. GPIO1 should be >>> + configured for Sync when shared boost is used. Shared boost is not >>> + compatible with External boost. Active amplifier requires >>> + boost-peak-milliamp, boost-ind-nanohenry and boost-cap-microfarad. >>> 0 = Internal Boost >>> 1 = External Boost >>> + 2 = Reserved >> >> How binding can be reserved? For what and why? Drop. 2 is shared active, >> 3 is shared passive. > 2 Is shared boost without VSPK switch, a mode not supported for new > system designs. But there is laptops using it, so we need to keep > supporting in the driver. That's not the answer. 2 is nothing here, so it cannot be reserved. Aren't you mixing now some register value with bindings? Best regards, Krzysztof