linux-kernel - [PATCH 0/3] TBT3/USB4 support for PS8830

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Message-Id: <20251014-topic-ps883x_usb4-v1-0-e6adb1a4296e@oss.qualcomm.com>
Date: Tue, 14 Oct 2025 18:06:44 +0200
From: Konrad Dybcio <konradybcio@...nel.org>
To: Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>, 
 Bjorn Andersson <bjorn.andersson@....qualcomm.com>, 
 Wesley Cheng <wesley.cheng@....qualcomm.com>, 
 Jack Pham <jack.pham@....qualcomm.com>, 
 Raghavendra Thoorpu <rthoorpu@....qualcomm.com>, linux-usb@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH 0/3] TBT3/USB4 support for PS8830

As the product page [1] states, the chip is actually capable of
retiming USB4 and Thunderbolt 3 (4, even!) signals, while remaining
spec-compliant.

This series reworks the driver a little and introduces support for the
new aforementioned modes.

I carried Jack's Reviewed-by tags from an internal preview submission,
which I hope is fine with everyone.

Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
---
Konrad Dybcio (3):
      usb: typec: ps883x: Cache register settings, not Type-C mode
      usb: typec: ps883x: Rework ps883x_set()
      usb: typec: ps883x: Add USB4 mode and TBT3 altmode support

 drivers/usb/typec/mux/ps883x.c | 129 ++++++++++++++++++++++++++---------------
 include/linux/usb/typec_tbt.h  |   1 +
 2 files changed, 83 insertions(+), 47 deletions(-)
---
base-commit: 52ba76324a9d7c39830c850999210a36ef023cde
change-id: 20251006-topic-ps883x_usb4-32d4c3abaac1

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@....qualcomm.com>