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Received: from PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) by PA4PR04MB7566.eurprd04.prod.outlook.com (2603:10a6:102:f0::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.23; Fri, 27 Mar 2026 14:32:32 +0000 Received: from PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588]) by PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588%6]) with mapi id 15.20.9745.023; Fri, 27 Mar 2026 14:32:32 +0000 Date: Fri, 27 Mar 2026 10:32:17 -0400 From: Frank Li To: "Peng Fan (OSS)" Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Laurent Pinchart , Shawn Guo , Daniel Scally , Marco Felsch , Gilles Talis , Viorel Suman , Shengjiu Wang , Jagan Teki , Manoj Sai , Matteo Lisi , Ray Chang , Richard Hu , Heiko Schocher , Martyn Welch , Josua Mayer , Goran =?utf-8?B?UmHEkWVub3ZpxIc=?= , =?iso-8859-1?Q?B=F6rge_Str=FCmpfel?= , Christoph Niedermaier , Marek Vasut , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@dh-electronics.com, Peng Fan , Kieran Bingham Subject: Re: [PATCH v2 00/12] arm64: dts: imx8mp: Correct PAD settings for PMIC_nINT Message-ID: References: <20260326-imx8mp-dts-fix-v2-v2-0-62c4ce727448@nxp.com> Content-Type: text/plain; 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It is low level triggered interrupt. > many boards only set PU, but PUE not set, so pull up not work properly. > > Patch 1 and 2 are to fix issue that confirmed by Laurent and Kieran. > > I checked AB2 and NAVQ schematic, so these two boards are also having > same issue. > > For other boards, I not able to find any public schematics. For per > the DT settings(interrupt is configured LOW LEVEL trigger), so PMIC_nINT > should be configured as PULL UP, per NXP reference design, there is no > on-board resistors for PMIC_nINT, it counts on SoC internal PULL. So I think > these boards are also having issues. But I use phase "there might be" in > commit log. > > The last two patches, I think the PAD settings are wrong, but not sure > they have interrupt storm issues, so just correct the settings. > > For imx8mp-skov-reva.dtsi, I am not sure whether it needs same fix, so > not touch it. > > [1] https://lore.kernel.org/all/20260323105858.GA2185714@killaraus.ideasonboard.com/ > [2] https://lore.kernel.org/all/20260324194353.GB2352505@killaraus.ideasonboard.com/ > > Signed-off-by: Peng Fan > --- > Changes in V2: > - Fix more boards > - Drop preceding zero > - Link to v1: https://lore.kernel.org/all/20260324-imx8mp-dts-fix-v1-1-df0eb2f62543@nxp.com/ > > --- > Peng Fan (12): > arm64: dts: imx8mp-debix-model-a: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-debix-som-a: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-navqp: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-ab2: Correct PAD settings for PMIC_nINT This one squash to 7adad1a52c420 ("arm64: dts: imx8mp-ab2: add support for NXP i.MX8MP audio board (version 2)") because it is still in my tree. > arm64: dts: imx8mp-icore-mx8mp: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-edm-g: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-aristainetos3a-som-v1: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-nitrogen-som: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-sr-som: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-ultra-mach-sbc: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-dhcom-som: Correct PAD settings for PMIC_nINT > arm64: dts: imx8mp-data-modul-edm-sbc: Correct PAD settings for PMIC_nINT Other apply to 7.0 fixes branch. Thanks Frank > > arch/arm64/boot/dts/freescale/imx8mp-ab2.dts | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-aristainetos3a-som-v1.dtsi | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-edm-g.dtsi | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-icore-mx8mp.dtsi | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-navqp.dts | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-nitrogen-som.dtsi | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-sr-som.dtsi | 4 ++-- > arch/arm64/boot/dts/freescale/imx8mp-ultra-mach-sbc.dts | 4 ++-- > 13 files changed, 15 insertions(+), 15 deletions(-) > --- > base-commit: 66ba480978ce390e631e870b740a3406e3eb6b01 > change-id: 20260326-imx8mp-dts-fix-v2-89ede7320c6a > > Best regards, > -- > Peng Fan >