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From: Marek Vasut <marex@nabladev.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Marek Vasut <marex@nabladev.com>,
	Alexandre Torgue <alexandre.torgue@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>,
	Rob Herring <robh@kernel.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-usb@vger.kernel.org
Subject: [PATCH v2 2/3] ARM: dts: stm32: Use STM32MP13xx compatible string for EHCI USB controller
Date: Fri, 28 Aug 2026 17:21:16 +0200	[thread overview]
Message-ID: <20260828152130.176171-2-marex@nabladev.com> (raw)
In-Reply-To: <20260828152130.176171-1-marex@nabladev.com>

Use accurate STM32MP13xx compatible string for EHCI USB controller in
addition to "generic-ehci" fallback compatible string. This is future
proof, and drivers can match on the accurate compatible string in case
they need to discern this controller from the generic-ehci one.

Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-usb@vger.kernel.org
---
V2: No change
---
 arch/arm/boot/dts/st/stm32mp131.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index d1c5afb5f89aa..ae45c2023afeb 100644
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -1137,7 +1137,7 @@ usbh_ohci: usb@5800c000 {
 		};
 
 		usbh_ehci: usb@5800d000 {
-			compatible = "generic-ehci";
+			compatible = "st,stm32mp13-ehci", "generic-ehci";
 			reg = <0x5800d000 0x1000>;
 			clocks = <&usbphyc>, <&rcc USBH>;
 			resets = <&rcc USBH_R>;
-- 
2.53.0


  reply	other threads:[~2026-08-28 15:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-28 15:21 [PATCH v2 1/3] dt-bindings: usb: generic-ehci: Document ST STM32MP1 SoC compatibles Marek Vasut
2026-08-28 15:21 ` Marek Vasut [this message]
2026-08-28 15:21 ` [PATCH v2 3/3] ARM: dts: stm32: Use STM32MP15xx compatible string for EHCI USB controller Marek Vasut
2026-08-28 15:26 ` [PATCH v2 1/3] dt-bindings: usb: generic-ehci: Document ST STM32MP1 SoC compatibles sashiko-bot
2026-08-28 15:51 ` Conor Dooley

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