Re: [PATCH] arm64: dts: qcom: hamoa-iot-evk: switch typec0 to PS8830 retimer
From: Xin Liu
Date: Mon Aug 03 2026 - 02:03:59 EST
On 7/21/2026 10:28 PM, Konrad Dybcio wrote:
On 7/21/26 9:41 AM, Xin Liu wrote:Hi, Konrad
The Hamoa IoT EVK populates a Parade PS8830 retimer on I2C3 for theAre we sure about that? I inquired about this on a pre-release
TypeC 0 port to support USB3.0 and SBU muxing. Describe the PS8830 and
route typec0 through it.
The vreg_rtmr0_* rails provisioned for a retimer were already defined
but previously wired to nowhere. They are now consumed by the PS8830,
so drop the "Left unused" comment.
The FSUSB42 SBU mux chip won't be populated on the final EVK
board, so remove the fsusb42 node and its pinctrl group.
version of an equivalent patch and never got an answer. For sure
there are a number of boards without a retimer, including in our CI
(+CC Miłosz)..
Konrad
FSUSB42 is still present on the board but with all signal lines unconnected. It has also been confirmed that all CI test machines are using PS8833, not FSUSB42.
Xin