From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 981FE3B8D58; Thu, 26 Mar 2026 08:48:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774514906; cv=none; b=KQQxkBxrd7UN/JrvB10j/OyVNvfA6YmaGhDMEjqqXKJwVcsYewwRWdOD01bDsWrln5kR99liUSAowk6ZYGD1rGCf1iw1yAGH/jQX8hlW775dkFJSSOaMWzWYw6tUF/jqpSfizYrk6Iloy3Q2oht++86ArdgO+P3yYGknigmQu28= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774514906; c=relaxed/simple; bh=9IZHdFG9znARtDh/oliZSJzf4JxW7DWhn4r1I6ZLEeI=; h=Content-Type:MIME-Version:In-Reply-To:References:Subject:From:Cc: To:Date:Message-ID; b=fHXXO4Y+WuZhoNseN1gsyOClU4yGzrsJ1lbrZOD2ERIvj3oMWcIJ/ZeCX4wsZwIgFgINO6ka4jT7SG83gSbFhzbFApK67b4YRwiYmk77arcc+YkUnFfohIG/GNOnp12MALGdV/pGMY1ASka01MAj30twpd3HrHcNr4LC6Kal8Oo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=fail (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=SkemjdrG reason="signature verification failed"; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="SkemjdrG" Received: from monstersaurus.ideasonboard.com (cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 58A96FCC; Thu, 26 Mar 2026 09:47:02 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1774514822; bh=9IZHdFG9znARtDh/oliZSJzf4JxW7DWhn4r1I6ZLEeI=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=SkemjdrGePjQXWznj2EQIVgcKJv1uoVw4B6U1arSbUf1jk6R3Q/c26GmKZpTPUBbV TkDcVVXlu1R7qAbzMCuRBUMdhpo8iR9GuOuxLoQuLKr4E+3NbpfJUv8VBSqlSLgOaB Ffx/qFD6HEXx/u9/Ej9Czh1n8sfK/GbTM1CBkmIw= Content-Type: text/plain; charset="utf-8" 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 In-Reply-To: <20260326-imx8mp-dts-fix-v2-v2-2-62c4ce727448@nxp.com> References: <20260326-imx8mp-dts-fix-v2-v2-0-62c4ce727448@nxp.com> <20260326-imx8mp-dts-fix-v2-v2-2-62c4ce727448@nxp.com> Subject: Re: [PATCH v2 02/12] arm64: dts: imx8mp-debix-som-a: Correct PAD settings for PMIC_nINT From: Kieran Bingham Cc: 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 To: "Peng Fan (OSS)" , =?utf-8?q?B=C3=B6rge_Str=C3=BCmpfel?= , Christoph Niedermaier , Conor Dooley , Daniel Scally , Fabio Estevam , Frank Li , Gilles Talis , Goran =?utf-8?q?Ra=C4=91enovi=C4=87?= , Heiko Schocher , Jagan Teki , Josua Mayer , Krzysztof Kozlowski , Laurent Pinchart , Manoj Sai , Marco Felsch , Marek Vasut , Martyn Welch , Matteo Lisi , Pengutronix Kernel Team , Ray Chang , Richard Hu , Rob Herring , Sascha Hauer , Shawn Guo , Shengjiu Wang , Viorel Suman Date: Thu, 26 Mar 2026 08:48:17 +0000 Message-ID: <177451489789.1230693.17921355068406519595@ping.linuxembedded.co.uk> User-Agent: alot/0.9.1 Quoting Peng Fan (OSS) (2026-03-26 07:28:06) > From: Peng Fan >=20 > With commit 5d0efaf47ee90 ("regulator: pca9450: Correct interrupt type"), > there is interrupt storm for i.MX8MP DEBIX SOM A. Need to set PAD > PUE and PU together to make pull up work properly. >=20 > Fixes: 21baf0b47f81b ("arm64: dts: freescale: Add DEBIX SOM A and SOM A I= /O Board support") > Reported-by: Laurent Pinchart > Closes: https://lore.kernel.org/all/20260323105858.GA2185714@killaraus.id= easonboard.com/ > Reported-by: Kieran Bingham > Closes: https://lore.kernel.org/imx/20260324194353.GB2352505@killaraus.id= easonboard.com/T/#m9a07fdc75496369a7d76d52c5e34ed140dcabfe3 Much quieter, thank you. Tested with watch -n0.5 cat /proc/interrupts ... 28: 0 0 0 0 GICv3 23 Level arm= -pmu 29: 0 0 0 0 GICv3 130 Level imx= 8_ddr_perf_pmu 35: 0 0 0 0 gpio-mxc 3 Level pca= 9450-irq 137: 0 0 0 0 gpio-mxc 3 Edge hym= 8563 200: 919 0 0 0 GICv3 67 Level 30a= 20000.i2c 201: 5 0 0 0 GICv3 68 Level 30a= 30000.i2c 202: 5 0 0 0 GICv3 69 Level 30a= 40000.i2c 203: 157 0 0 0 GICv3 70 Level 30a= 50000.i2c 204: 0 0 0 0 GICv3 57 Level 380= 08000.gpu 207: 0 0 0 0 GICv3 180 Level 32f= 10100.usb ... And only the timers are increasing (as expected). Reviewed-by: Kieran Bingham > Signed-off-by: Peng Fan > --- > arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts | 2 +- > arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) >=20 > diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts = b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts > index 04619a7229065be496611128ecf6848c9dd7102c..1471ff361b54cba05bb0e0734= aa6e8d149309025 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a-bmb-08.dts > @@ -499,7 +499,7 @@ MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03 0x140 > =20 > pinctrl_pmic: pmicgrp { > fsl,pins =3D < > - MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0= x41 > + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0= x1c0 > >; > }; > =20 > diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi b/arch= /arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi > index 91094c2277443c1585dfb7f31dccfb27aa1bcc8d..b31e8fe95ca74500fdc459aec= feb3f4b573f4244 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-som-a.dtsi > @@ -241,7 +241,7 @@ MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0= x400001c3 > =20 > pinctrl_pmic: pmicgrp { > fsl,pins =3D < > - MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0= x41 > + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0= x1c0 > >; > }; > =20 >=20 > --=20 > 2.37.1 >