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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