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Wed, 18 Feb 2026 14:54:26 +0100 (CET) From: Alexander Feilke To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux@ew.tq-group.com, Alexander Feilke , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] ARM: dts: imx7s: add boot phase properties Date: Wed, 18 Feb 2026 14:54:12 +0100 Message-ID: <20260218135415.204974-2-Alexander.Feilke@ew.tq-group.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260218135415.204974-1-Alexander.Feilke@ew.tq-group.com> References: <20260218135415.204974-1-Alexander.Feilke@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-cloud-security-sender: alexander.feilke@ew.tq-group.com X-cloud-security-recipient: linux-kernel@vger.kernel.org X-cloud-security-crypt: load encryption module X-cloud-security-Mailarchiv: E-Mail archived for: alexander.feilke@ew.tq-group.com X-cloud-security-Mailarchivtype: outbound X-cloud-security-Virusscan: CLEAN X-cloud-security-disclaimer: This E-Mail was scanned by E-Mailservice on mx-relay107-hz1.antispameurope.com with 4fGJ0M4wR1ztZxp X-cloud-security-connect: he-nlb01-hz1.hornetsecurity.com[94.100.132.6], TLS=1, IP=94.100.132.6 X-cloud-security-Digest: 005226ad2035b8035f0646bf4904b0c7 X-cloud-security: scantime:1.935 DKIM-Signature: a=rsa-sha256; bh=HmH2gnYHLoGT+gPFoqYfzgcg3mVohz7j0M5EpQAudWE=; c=relaxed/relaxed; d=ew.tq-group.com; h=content-type:mime-version:subject:from:to:message-id:date; s=hse1; t=1771422886; v=1; b=a2LaHjGgr+KH/iml6EehvvvzQp7UOAR6OLFutTUG2tIEqc32gUmULFSNV0gDPlDPXKZpj8BW NCcau3dB/rSDQBQWY6mBo2APYUDE5yZsTZSNEhWyBxYVXs3Csp6gfQkQOhmBchS/nNXrMdgntNd +5+dUyYWbZ2I2DxxTPmCutNwLnEkCrs+fB0IoShPIxqj28UO1eLWlonmyvyj8kPYlfsgEqGjpOy GzubvmU2bCaWUUEZXq5gYePX40Fnxf4n8A8Nco8mBk3gHqrtW70MKkd5lhmxssHX18SBqUHbe+E 39ll7hh1ZFQE6HXe7D0MaCdU/Le3Qg9h7P2LiepbO+Q8Q== Content-Type: text/plain; charset="utf-8" Adds boot phase properties to essential resources in imx7s device trees. Signed-off-by: Alexander Feilke --- arch/arm/boot/dts/nxp/imx/imx7s.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi b/arch/arm/boot/dts/nxp/i= mx/imx7s.dtsi index 9235dd7e93bb..5c9be24ba7c5 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7s.dtsi @@ -209,6 +209,7 @@ soc: soc { compatible =3D "simple-bus"; interrupt-parent =3D <&gpc>; ranges; + bootph-pre-ram; =20 ocram: sram@900000 { compatible =3D "mmio-sram"; @@ -371,6 +372,7 @@ aips1: bus@30000000 { #size-cells =3D <1>; reg =3D <0x30000000 0x400000>; ranges; + bootph-pre-ram; =20 gpio1: gpio@30200000 { compatible =3D "fsl,imx7d-gpio", "fsl,imx35-gpio"; @@ -543,6 +545,7 @@ kpp: keypad@30320000 { iomuxc: pinctrl@30330000 { compatible =3D "fsl,imx7d-iomuxc"; reg =3D <0x30330000 0x10000>; + bootph-pre-ram; }; =20 gpr: iomuxc-gpr@30340000 { @@ -712,6 +715,7 @@ aips2: bus@30400000 { #size-cells =3D <1>; reg =3D <0x30400000 0x400000>; ranges; + bootph-pre-ram; =20 adc1: adc@30610000 { compatible =3D "fsl,imx7d-adc"; @@ -902,6 +906,7 @@ aips3: bus@30800000 { #size-cells =3D <1>; reg =3D <0x30800000 0x400000>; ranges; + bootph-pre-ram; =20 spba-bus@30800000 { compatible =3D "fsl,spba-bus", "simple-bus"; --=20 2.43.0 From nobody Fri Apr 3 06:23:15 2026 Received: from mx-relay97-hz2.antispameurope.com (mx-relay97-hz2.antispameurope.com [94.100.136.197]) (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 7E93D329389 for ; Wed, 18 Feb 2026 13:56:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=94.100.136.197 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771422965; cv=pass; b=ivaL8WnMYdzkHBajdmBi23jjNE2NSMnfLpdIYDfOwxNt815k9AwiNzyu/iOU6BSvOPfJ+n1RnPr7SHYgVG6Ut1fKGGl3Yv1nq585BHC9bfQ+43/jQ9BLCph4a1ZKPPEceeJXlyooERVENqjsOvrfcBJNCVikL4h/o5I/v/ONYR0= ARC-Message-Signature: i=2; a=rsa-sha256; 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Signed-off-by: Alexander Feilke --- arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 4 ++++ arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi | 2 ++ 2 files changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/n= xp/imx/imx7-mba7.dtsi index 4d948a9757f9..03f2f2cbdfbc 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi @@ -477,6 +477,7 @@ pinctrl_uart5: uart5grp { }; =20 pinctrl_uart6: uart6grp { + bootph-pre-ram; fsl,pins =3D , , @@ -511,6 +512,7 @@ pinctrl_usdhc1: usdhc1grp { , , ; + bootph-pre-ram; }; =20 pinctrl_usdhc1_100mhz: usdhc1_100mhzgrp { @@ -602,6 +604,7 @@ &uart6 { pinctrl-0 =3D <&pinctrl_uart6>; assigned-clocks =3D <&clks IMX7D_UART6_ROOT_SRC>; assigned-clock-parents =3D <&clks IMX7D_OSC_24M_CLK>; + bootph-pre-ram; status =3D "okay"; }; =20 @@ -646,6 +649,7 @@ &usdhc1 { no-1-8-v; no-sdio; no-mmc; + bootph-pre-ram; status =3D "okay"; }; =20 diff --git a/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi b/arch/arm/boot/dts/= nxp/imx/imx7-tqma7.dtsi index 2966a33bc528..3a01b1cfb5fa 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi @@ -214,6 +214,7 @@ pinctrl_usdhc3: usdhc3grp { , , ; 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Wed, 18 Feb 2026 14:54:48 +0100 Received: from FEILKEA-LNX-W.tq-net.de (host-82-135-125-110.customer.m-online.net [82.135.125.110]) (Authenticated sender: alexander.feilke@ew.tq-group.com) by hmail-p-smtp01-out04-hz1.hornetsecurity.com (Postfix) with ESMTPSA id 9E361220BD7; Wed, 18 Feb 2026 14:54:28 +0100 (CET) From: Alexander Feilke To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux@ew.tq-group.com, Alexander Feilke , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] ARM: dts: imx7-mba7: disable boot_cfg pins after boot Date: Wed, 18 Feb 2026 14:54:14 +0100 Message-ID: <20260218135415.204974-4-Alexander.Feilke@ew.tq-group.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260218135415.204974-1-Alexander.Feilke@ew.tq-group.com> References: <20260218135415.204974-1-Alexander.Feilke@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-cloud-security-sender: alexander.feilke@ew.tq-group.com X-cloud-security-recipient: linux-kernel@vger.kernel.org X-cloud-security-crypt: load encryption module X-cloud-security-Mailarchiv: E-Mail archived for: alexander.feilke@ew.tq-group.com X-cloud-security-Mailarchivtype: outbound X-cloud-security-Virusscan: CLEAN X-cloud-security-disclaimer: This E-Mail was scanned by E-Mailservice on mx-relay68-hz1.antispameurope.com with 4fGJ0P1wlLz32CNC X-cloud-security-connect: he-nlb01-hz1.hornetsecurity.com[94.100.132.6], TLS=1, IP=94.100.132.6 X-cloud-security-Digest: ce6b24e2a0fcff62cc441489d1e1fb3f X-cloud-security: scantime:2.173 DKIM-Signature: a=rsa-sha256; bh=q+Tm8R4GAdM0m4OtqwBsV1ejjLiRRji4g58Lasi7wdg=; c=relaxed/relaxed; d=ew.tq-group.com; h=content-type:mime-version:subject:from:to:message-id:date; s=hse1; t=1771422887; v=1; b=P3NK0x5nQbMkoEMtlg/j/9m8E9IcSSpBKmjV7xP932FgUzLIYYcUdixVMaXkdsJc5vJ1KcoM 0DYwzgQ/0+rNroe1nt9hWGFVZTiM3sv/nzAl2TWoFWjr88OHxkA9Jo0pCYxQTU8diRUGhwAkz8i zCKJSggMKBW59ohMDs6mQWlp2noxEcQESd+D7YTf8YaLcUC5QLmWQziE5M5UAtasO3yV9JdmJY7 GOdDFyVvanH8SNUj15cvbd/4b3niQgPn/aEynvnU5gpKut25GbJJ+6+S9WOG/hSsSimPyQyXpcz 7FkUsngKIwBCZVyCuDGu2q4AX3R5kdbl0SZ3JHJJH6uCg== Content-Type: text/plain; charset="utf-8" The BOOT_CFG pins are located on the LCD bus on our starterkit. Disable them after boot to separate those signals. Signed-off-by: Alexander Feilke --- arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/n= xp/imx/imx7-mba7.dtsi index 03f2f2cbdfbc..4192adb27223 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi @@ -287,6 +287,15 @@ &flexcan2 { status =3D "okay"; }; =20 +&gpio4 { + /* Deassert BOOT_EN after boot to separate BOOT_CFG circuits from LCD sig= nals */ + boot-en-hog { + gpio-hog; + gpios =3D <3 GPIO_ACTIVE_LOW>; + output-low; + }; +}; + &i2c1 { lm75: temperature-sensor@49 { compatible =3D "national,lm75a"; --=20 2.43.0