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usb: typec: Add support for Parade PS8830 Type-C Retimer

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The Parade PS8830 is a USB4, DisplayPort and Thunderbolt 4 retimer,
controlled over I2C. It usually sits between a USB/DisplayPort PHY
and the Type-C connector, and provides orientation and altmode handling.

The boards that use this retimer are the ones featuring the Qualcomm
Snapdragon X Elite SoCs.

Add a driver with support for the following modes:
 - DisplayPort 4-lanes
 - DisplayPort 2-lanes + USB3
 - USB3

There is another variant of this retimer which is called PS8833. It seems
to be really similar to the PS8830, so future-proof this driver by
naming it ps883x.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250206-x1e80100-ps8830-v6-2-60b1e49cfa8d@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Abel Vesa 2025-02-06 11:28:28 +02:00 • committed by Greg Kroah-Hartman
commit 257a087c8b
3 changed files with 448 additions and 0 deletions
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