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charset="utf-8" With commit 417b0f8d08f87 ("gpio: pca953x: Add support for level-triggered interrupts") the GPIO expander gained support for level-low interrupts required for Ethernet PHYs Signed-off-by: Alexander Stein --- Changes in v2: * Remove superfluous gpio-hogs arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi b/arch/arm/boot/dts/nxp= /imx/mba6ulx.dtsi index f0f886f2b8cfd..bec72dc6bab6c 100644 --- a/arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi +++ b/arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi @@ -230,6 +230,8 @@ ethphy0: ethernet-phy@0 { clocks =3D <&clks IMX6UL_CLK_ENET_REF>; reg =3D <0>; max-speed =3D <100>; + interrupt-parent =3D <&expander_in0>; + interrupts =3D <6 IRQ_TYPE_LEVEL_LOW>; }; =20 ethphy1: ethernet-phy@1 { @@ -237,6 +239,8 @@ ethphy1: ethernet-phy@1 { clocks =3D <&clks IMX6UL_CLK_ENET2_REF_125M>; reg =3D <1>; max-speed =3D <100>; + interrupt-parent =3D <&expander_in0>; + interrupts =3D <7 IRQ_TYPE_LEVEL_LOW>; }; }; }; @@ -276,18 +280,6 @@ expander_in0: gpio-expander@21 { gpio-controller; #gpio-cells =3D <2>; vcc-supply =3D <®_mba6ul_3v3>; - - enet1_int-hog { - gpio-hog; - gpios =3D <6 0>; - input; - }; - - enet2_int-hog { - gpio-hog; - gpios =3D <7 0>; - input; - }; }; =20 expander_out1: gpio-expander@22 { --=20 2.55.0 From nobody Mon Sep 28 07:23:11 2026 Received: from www537.your-server.de (www537.your-server.de [188.40.3.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 963BC38423D; Tue, 25 Aug 2026 07:04:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=188.40.3.216 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787641467; cv=none; b=lfxk7Dc5KKV5YBTewmLcif6ZPlP6d14AwCBJwZkbvlXNoagGfZ7eI7xo/ODSELfKY0uwdlSA0dnSaVDtTAeXpakws4esx9iyLsKcqp4MswkdUlNSFMEijvlMvQqNtQdnycESyjUB8cMaajtPZSlYj8ThBz7Z7FFITyzkeuw6GoM= ARC-Message-Signature: i=1; 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Tue, 25 Aug 2026 09:04:22 +0200 From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Alexander Stein , linux@ew.tq-group.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] ARM: dts: mba6ulx: Add USB hub node Date: Tue, 25 Aug 2026 09:04:17 +0200 Message-ID: <20260825070418.2072708-3-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260825070418.2072708-1-alexander.stein@ew.tq-group.com> References: <20260825070418.2072708-1-alexander.stein@ew.tq-group.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Virus-Scanned: Clear (ClamAV 1.4.3/28102/Mon Aug 24 08:23:58 2026) Content-Type: text/plain; charset="utf-8" Instead of handling the USB hub reset using a regulator, add a proper on-board USB hub device with reset-gpios set. Signed-off-by: Alexander Stein --- Changes in v2: * None arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi b/arch/arm/boot/dts/nxp= /imx/mba6ulx.dtsi index bec72dc6bab6c..ba79bb9760806 100644 --- a/arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi +++ b/arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi @@ -133,16 +133,6 @@ reg_mpcie: regulator-mpcie-3v3 { vin-supply =3D <®_mba6ul_3v3>; }; =20 - reg_otg2vbus_5v0: regulator-otg2-vbus-5v0 { - compatible =3D "regulator-fixed"; - gpio =3D <&expander_out1 0 GPIO_ACTIVE_HIGH>; - enable-active-high; - regulator-name =3D "otg2-vbus-supply-5v0"; - regulator-min-microvolt =3D <5000000>; - regulator-max-microvolt =3D <5000000>; - vin-supply =3D <®_mpcie>; - }; - reserved-memory { #address-cells =3D <1>; #size-cells =3D <1>; @@ -395,10 +385,18 @@ &usbotg1 { /* 7-port usb hub */ /* id, pwr, oc pins not connected */ &usbotg2 { + #address-cells =3D <1>; + #size-cells =3D <0>; disable-over-current; - vbus-supply =3D <®_otg2vbus_5v0>; dr_mode =3D "host"; status =3D "okay"; + + hub_2_0: hub@1 { + compatible =3D "usb424,2517"; + reg =3D <1>; + reset-gpios =3D <&expander_out1 0 GPIO_ACTIVE_LOW>; + vdd-supply =3D <®_mba6ul_3v3>; + }; }; =20 &usdhc1 { --=20 2.55.0