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From: Marek Vasut <marex@nabladev.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-usb@vger.kernel.org, Pankaj Dev <pankaj.dev@st.com>,
	Fabrice Gasnier <fabrice.gasnier@foss.st.com>,
	Rahul Kumar <rahul.kumar05@st.com>,
	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>,
	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 1/8] dt-bindings: phy: Document ST STM32MP25 USB2-FEMTO PHY
Date: Wed, 12 Aug 2026 12:56:23 +0200	[thread overview]
Message-ID: <ff691741-a110-44e8-90e7-ac54a96de1af@nabladev.com> (raw)
In-Reply-To: <20260812-silky-omniscient-dalmatian-b268cb@quoll>

On 8/12/26 12:15 PM, Krzysztof Kozlowski wrote:
> On Wed, Aug 12, 2026 at 02:55:41AM +0200, Marek Vasut wrote:
>> From: Pankaj Dev <pankaj.dev@st.com>
>>
>> Document USB2 PHY for STM32MP25 USB2 controllers, which includes the
>> USB2.0 host-only controller and USB 2.0 part of the DWC3 controller.
>> Two such PHYs in total are present in STM32MP25 SoC, they both are
>> slightly different, therefore they use different compatible string
> 
> What is slightly different? This should be either here, or better, in
> "description" part.

They are both Synopsys FEMTO-PHY , but they are each attached to a 
different controller (one to USB 2.0 host , the other to DWC3 DRD) , and 
their control bits in the system controller register are different for 
each variant.

I extended the description in V2.

>> to discern them.
>>
>> Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
>> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
>> Signed-off-by: Marek Vasut <marex@nabladev.com>
>> Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
>> Signed-off-by: Rahul Kumar <rahul.kumar05@st.com>
> 
> Incomplete/incorrect DCO chain. Who sends it? Rahul?
This is lifted from the ST downstream kernel fork, it's a combination of 
a bunch of commits there and then cleaned up. Pankaj and Fabrice did 
most of the downstream work, I did the clean up for upstreaming. I 
collected the SoB lines from all the commits from ST downstream fork and 
added mine, hence this list. How shall I address this correctly, with 
some Co-developed-by tag ? Who gets which tag ?

additionalProperties is addressed in V2, so is the reported from Rob's 
bot regarding the botched compatible string in example.

Thanks !


  reply	other threads:[~2026-08-12 10:56 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-12  0:55 [PATCH 0/8] arm64: dts: phy: st: usb: Add STM32MP2 USB support Marek Vasut
2026-08-12  0:55 ` [PATCH 1/8] dt-bindings: phy: Document ST STM32MP25 USB2-FEMTO PHY Marek Vasut
2026-08-12  2:45   ` Rob Herring (Arm)
2026-08-12 10:15   ` Krzysztof Kozlowski
2026-08-12 10:56     ` Marek Vasut [this message]
2026-08-12 11:22       ` Krzysztof Kozlowski
2026-08-12  0:55 ` [PATCH 2/8] phy: stm32: Add support for " Marek Vasut
2026-08-12  0:55 ` [PATCH 3/8] dt-bindings: usb: generic-ehci: Document access-controllers property Marek Vasut
2026-08-12  0:55 ` [PATCH 4/8] dt-bindings: usb: generic-ohci: " Marek Vasut
2026-08-12  0:55 ` [PATCH 5/8] dt-bindings: usb: dwc3: Document ST STM32MP2 DWC3 xHCI USB controller Marek Vasut
2026-08-12  0:55 ` [PATCH 6/8] usb: dwc3: dwc3-generic-plat: Add ST STM32MP2 DWC3 xHCI USB controller glue Marek Vasut
2026-08-12  0:55 ` [PATCH 7/8] arm64: dts: st: Add USB nodes on stm32mp231 Marek Vasut
2026-08-12  0:55 ` [PATCH 8/8] arm64: dts: st: Add USB nodes on stm32mp251 Marek Vasut

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