From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Marek Vasut <marex@nabladev.com>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
Conor Dooley <conor.dooley@microchip.com>
Subject: Re: [PATCH v3 0/2] usb: gpio-sbu-mux: add FUSB340 and enable option for orientation
Date: Tue, 1 Sep 2026 16:02:00 +0200 [thread overview]
Message-ID: <2026090136-whooping-duffel-64a9@gregkh> (raw)
In-Reply-To: <20260826-usb-fusb340-v1-v3-0-11927682504d@foss.st.com>
On Wed, Aug 26, 2026 at 02:16:34PM +0200, Fabrice Gasnier wrote:
> Add a new compatible for FUSB340. Also manage the enable GPIO, when used as
> orientation-switch only.
> It is used on STM32MP25 DK boards, as orientation-switch only for
> USB SuperSpeed lines on the Type-C connector, the enable GPIO being
> connected to the SoC.
>
> - - - - SoC - - - - - - - - - - board - - - - -
> | USB-C
> +------+ +----------+ | +-+
> | |--| USB2PHY |<-----------------HS->|*|
> | |--| HS |<-----------------HS->|*|
> | | +----------+ | | |
> | | | ________ | |
> + dwc3 | +----------+ | / |<-SS->|*|
> | | | |<--->/ |<-SS->|*|
> | |--| ComboPHY |<---> FUSB340 | | |
> | | | SS | | \ __ |<-SS->|*|
> +------+ +----------+ | \_en__sw_|<-SS->|*|
> | ^ ^ | |
> +----------+ | | | ...
> [ GPIO ]--------+ |
> [ GPIO ]------------+
> +----------+ |
> - - - - - - - - - - - - - - - - - - - - - - --
Gotta love the ascii art. Loved it so much, I forced it into the
changelog, can't let that go to waste!
thanks,
greg k-h
prev parent reply other threads:[~2026-09-01 14:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 12:16 [PATCH v3 0/2] usb: gpio-sbu-mux: add FUSB340 and enable option for orientation Fabrice Gasnier
2026-08-26 12:16 ` [PATCH v3 1/2] dt-bindings: usb: gpio-sbu-mux: Add compatible for FUSB340 Fabrice Gasnier
2026-09-01 6:31 ` Xu Yang
2026-09-01 8:02 ` Fabrice Gasnier
2026-09-01 10:08 ` Xu Yang
2026-08-26 12:16 ` [PATCH v3 2/2] usb: typec: mux: gpio-sbu: enable when only used for orientation Fabrice Gasnier
2026-08-26 12:30 ` sashiko-bot
2026-08-31 10:11 ` Heikki Krogerus
2026-09-01 14:02 ` Greg Kroah-Hartman [this message]
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