From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 6A16A29D26E; Wed, 20 May 2026 17:32:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298361; cv=none; b=KSvZ8+d6WbdvpHuOl+anqdJ9bz9emIZR4vHVti3cIShM7luoDf5WFH3CGbGeMNT33WqXh/LRSIsuA4SVZW8bPuSBrlwcw5FyTYmvrHTeGpZT18nSwAEAbMPnI/g5wOtqVA1WI3BxAJS9DdPaXIm7aAvqLX+dC/n0Eib8jfdnl9w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298361; c=relaxed/simple; bh=utxKUp6pvkf1aVMus1QHg2eNnieKQCIdsCv5hJUnYCY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=USFTDMDkOFhUf/pyEGc98jl1AWJPinQph/t0VSp2OPQMCtasYs0kRkhA3VYgtVNs96u288/niLfMBopTr7ksAVRYyAts4LTfdcHoIdi0OoYsMxnr8ZnbqjTFoFInGmtNmFtGQuxo11B3mVscnZPXY/hyBlmnGxjQ4Urmy8a0M38= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=wWjxOAl6; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="wWjxOAl6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A18701F000E9; Wed, 20 May 2026 17:32:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779298360; bh=KKwuQRRG9iOPOLX+YYdmGkzEPrzyo1+UsVArSZUXuNw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=wWjxOAl6/qkUb3aodXn2LQgFdNDJZXLDwyC31vjvjWn5tb5inJv+I6DeOm4t397fz r2II7mknbGaSO5Nj5SREJqIY5/uMnsxj8drCEC+uT1GOHU+NrfBDNnPM9Lpb8hkYxP uyrihuNd+eB41FW9Q5K3HUjb72Td/tQhdTDIi+wE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Frieder Schrempf , Frank Li , Sasha Levin Subject: [PATCH 6.18 380/957] arm64: dts: imx8mp-kontron: Fix touch reset configuration on DL devices Date: Wed, 20 May 2026 18:14:23 +0200 Message-ID: <20260520162142.769620057@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162134.554764788@linuxfoundation.org> References: <20260520162134.554764788@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Frieder Schrempf [ Upstream commit 058c53476dde9937877e93d964a283bbb5e1e4c7 ] The reset signal needs a pullup, but there is no hardware pullup. As a workaround, enable the internal pullup to fix the touchscreen. As this deviates from the default generic GPIO settings in the OSM devicetree, add a new node for the touch pinctrl and redefine the generic gpio1 pinctrl. Fixes: 946ab10e3f40f ("arm64: dts: Add support for Kontron OSM-S i.MX8MP SoM and BL carrier board") Signed-off-by: Frieder Schrempf Reviewed-by: Frank Li Signed-off-by: Frank Li Signed-off-by: Sasha Levin --- .../boot/dts/freescale/imx8mp-kontron-dl.dtso | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-kontron-dl.dtso b/arch/arm64/boot/dts/freescale/imx8mp-kontron-dl.dtso index a3cba41d2b531..7131e9a499ae1 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-kontron-dl.dtso +++ b/arch/arm64/boot/dts/freescale/imx8mp-kontron-dl.dtso @@ -77,6 +77,8 @@ touchscreen@5d { compatible = "goodix,gt928"; reg = <0x5d>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_touch>; interrupt-parent = <&gpio1>; interrupts = <6 8>; irq-gpios = <&gpio1 6 0>; @@ -98,6 +100,16 @@ status = "okay"; }; +/* redefine to remove touch controller GPIOs */ +&pinctrl_gpio1 { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO00__GPIO1_IO00 0x19 /* GPIO_A_0 */ + MX8MP_IOMUXC_GPIO1_IO01__GPIO1_IO01 0x19 /* GPIO_A_1 */ + MX8MP_IOMUXC_GPIO1_IO05__GPIO1_IO05 0x19 /* GPIO_A_2 */ + MX8MP_IOMUXC_GPIO1_IO08__GPIO1_IO08 0x19 /* GPIO_A_5 */ + >; +}; + &pwm1 { status = "okay"; }; @@ -108,4 +120,11 @@ MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28 0x19 >; }; + + pinctrl_touch: touchgrp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO06__GPIO1_IO06 0x19 + MX8MP_IOMUXC_GPIO1_IO07__GPIO1_IO07 0x150 + >; + }; }; -- 2.53.0