On Wed, Mar 31, 2021 at 07:37:30PM +0530, Sanket Goswami wrote: > The Latest AMD NAVI GPU card has an integrated Type-C controller and > Designware I2C with PCI Interface. The PD controller for USB Type-C can > be accessed over I2C. The client driver is part of the USB Type-C UCSI > driver. > > Also, there exists a couple of notable IP limitations that are dealt as > workarounds: > - I2C transaction work on a polling mode as IP does not generate > interrupt. > - I2C read command sent twice to address the IP issues. > - AMD NAVI GPU based products are already in the commercial market, > hence some of the I2C parameters are statically programmed as they > can not be part of the ACPI table. > > Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx> > Co-developed-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx> > Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx> > Signed-off-by: Sanket Goswami <Sanket.Goswami@xxxxxxx> Applied to for-next, thanks!
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