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295 bytes added ,  18:26, 16 September 2020
→‎Trackpad: Describe how the trackpad is connected to the SoC.
Documentation for the trackpad can be found in [[#Datasheets for Components and Peripherals|Datasheets for Components and Peripherals]].
The trackpad firmware binary can be flashed from userspace using the provided open source utility (https://github.com/ayufan-rock64/pinebook-pro-keyboard-updater). A fork with more recent changes is also available (https://github.com/jackhumbert/pinebook-pro-keyboard-updater) and may want to be considered instead while feature parity is different.
 
The trackpad controller is connected to the keyboard controller. All trackpad events go through the keyboard controller and it's software, then to the keyboard controller's USB port. Note that the trackpad does have separate firmware, (which has to be written through the keyboard controller).

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