From: Marek Vasut <marex@nabladev.com>
To: Fabrice Gasnier <fabrice.gasnier@foss.st.com>, linux-usb@vger.kernel.org
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>,
Christian Bruel <christian.bruel@foss.st.com>,
Conor Dooley <conor+dt@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Pankaj Dev <pankaj.dev@st.com>,
Rahul Kumar <rahul.kumar05@st.com>, Rob Herring <robh@kernel.org>,
Rosen Penev <rosenp@gmail.com>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Vinod Koul <vkoul@kernel.org>,
devicetree@vger.kernel.org, kernel@dh-electronics.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH v2 0/9] arm64: dts: phy: st: usb: Add STM32MP2 USB support
Date: Wed, 19 Aug 2026 17:44:56 +0200 [thread overview]
Message-ID: <23091037-bfeb-46ac-b17d-8b86394b119e@nabladev.com> (raw)
In-Reply-To: <066ce020-6123-4aed-a069-67c51957173d@foss.st.com>
On 8/19/26 5:19 PM, Fabrice Gasnier wrote:
Hello Fabrice,
>> Maybe the DT syscfg node shouldn't be a plain syscon , but rather there
>> should be an actual driver which binds to the syscfg DT node and
>> configures all these hardware details early on boot ? The USB controller
>> drivers will start only later, when the syscfg configuration is already
>> set in the hardware by this (future) driver, since they depend on the
>> syscfg node and the PHY subnodes. Maybe that is the way to fix the MP21
>> without having USB controller glue ?
>
> Hello Marek,
>
> Ok, I'll think more about it regarding MP21. Let's continue on current
> series without any additional glue driver for MP23/25.
There is really no rush, if you can come up with something for MP21 that
does not require the controller glue, that would be real nice.
Thank you for your help !
prev parent reply other threads:[~2026-08-19 15:45 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-16 21:37 [PATCH v2 0/9] arm64: dts: phy: st: usb: Add STM32MP2 USB support Marek Vasut
2026-08-16 21:37 ` [PATCH v2 1/9] dt-bindings: phy: Document ST STM32MP25 USB2-FEMTO PHY Marek Vasut
2026-08-18 8:09 ` Krzysztof Kozlowski
2026-08-18 15:11 ` Marek Vasut
2026-08-16 21:37 ` [PATCH v2 2/9] phy: stm32: Add support for " Marek Vasut
2026-08-17 16:22 ` Fabrice Gasnier
2026-08-17 19:43 ` Marek Vasut
2026-08-18 9:28 ` Fabrice Gasnier
2026-08-18 9:53 ` Marek Vasut
2026-08-16 21:37 ` [PATCH v2 3/9] dt-bindings: usb: generic-ehci: Document access-controllers property Marek Vasut
2026-08-16 21:37 ` [PATCH v2 4/9] dt-bindings: usb: generic-ohci: " Marek Vasut
2026-08-16 21:37 ` [PATCH v2 5/9] dt-bindings: usb: dwc3: Document ST STM32MP2 DWC3 xHCI USB controller Marek Vasut
2026-08-18 8:15 ` Krzysztof Kozlowski
2026-08-18 15:31 ` Marek Vasut
2026-08-16 21:37 ` [PATCH v2 6/9] usb: dwc3: dwc3-generic-plat: Add ST STM32MP2 DWC3 xHCI USB controller glue Marek Vasut
2026-08-16 21:37 ` [PATCH v2 7/9] dt-bindings: arm: stm32: Switch st,stm32mp23/25-syscfg into simple-mfd Marek Vasut
2026-08-18 8:17 ` Krzysztof Kozlowski
2026-08-18 15:32 ` Marek Vasut
2026-08-16 21:37 ` [PATCH v2 8/9] arm64: dts: st: Add USB nodes on stm32mp231 Marek Vasut
2026-08-18 8:19 ` Krzysztof Kozlowski
2026-08-16 21:37 ` [PATCH v2 9/9] arm64: dts: st: Add USB nodes on stm32mp251 Marek Vasut
2026-08-17 16:35 ` [PATCH v2 0/9] arm64: dts: phy: st: usb: Add STM32MP2 USB support Fabrice Gasnier
2026-08-17 19:48 ` Marek Vasut
2026-08-18 16:07 ` Fabrice Gasnier
2026-08-18 16:35 ` Marek Vasut
2026-08-19 15:19 ` Fabrice Gasnier
2026-08-19 15:44 ` Marek Vasut [this message]
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