Anthony Jenkins schreef op 2018-12-10 18:00:
Hi all,
I'm trying to port an Intel PCI I2C controller from Linux to FreeBSD.
Linux represents this device as an MFD (multi-function device), meaning
it has these "sub-devices" that can be handed off to other drivers to
actually attach devices to the system. The Linux "super" PCI device is
the intel-lpss-pci.c, and the "sub" device is i2c-designware-platdrv.c,
which represents the DesignWare driver's "platform" attachment to the
Linux system. FreeBSD also has a DesignWare I2C controller driver,
ig4(4), but it only has PCI and ACPI bus attachment implementations.
Might this also be relevant for i2c-hid devices, like some touchpads
(Elantech for example)?
Cheers,
Emiel
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