From nobody Fri Dec 19 04:53:44 2025 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 D2223216E32 for ; Thu, 19 Dec 2024 07:26:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734593172; cv=none; b=CMEvPet9XJ+HUKu1i9BsPSqVtyMWwtSVuDUtDHtAoWZS1s1dqct3thMVImHT6fUQOHDxGPgSUwIGgedXHU/GcmH/dBzMoXLJjSeTGapXQ5TcN75lUm2jAs0IjzJUBWuVn2trlDXMyNmbcKiSJF7nX8Qw0pknUOMkN+u+PxUSrJk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734593172; c=relaxed/simple; bh=CWhqZWc4bkHEo61f5tqB+hUUAvZr98Jc0lh0vJDw7hY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eowVhNLg+Y7O6pibW3wIrv1yeu6dilG4vvVZOt8hr5hzjArp3urWf1X+VhS6x3PDMauZwymaGBZK4wOK0viaQEGWjh1DJPrDZN1dQEt5S6kKJ4xHUVW8brfaRDJaLwEr5roH9VRY/v1BSaTEImGnIgtZnDqH4lmtIQfYJS64hpo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tOAuc-00064N-0e; Thu, 19 Dec 2024 08:25:34 +0100 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tOAua-004AOH-2r; Thu, 19 Dec 2024 08:25:33 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1tOAub-00GenW-1l; Thu, 19 Dec 2024 08:25:33 +0100 From: Ahmad Fatoum Date: Thu, 19 Dec 2024 08:25:32 +0100 Subject: [PATCH 08/10] arm64: dts: imx8mp-skov: describe mains fail detection Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241219-skov-dt-updates-v1-8-38bf80dc22df@pengutronix.de> References: <20241219-skov-dt-updates-v1-0-38bf80dc22df@pengutronix.de> In-Reply-To: <20241219-skov-dt-updates-v1-0-38bf80dc22df@pengutronix.de> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Oleksij Rempel Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Ahmad Fatoum X-Mailer: b4 0.13-dev X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: a.fatoum@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org From: Oleksij Rempel The main 24V regulator will toggle GPIO4_IO23 to signal imminent voltage loss. Reflect this in the DT, so the OS can take appropriate action when this happens. Signed-off-by: Oleksij Rempel Signed-off-by: Ahmad Fatoum --- arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi b/arch/arm= 64/boot/dts/freescale/imx8mp-skov-reva.dtsi index bce23d62cd27..80d212acc0c3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi @@ -116,6 +116,11 @@ reg_24v: regulator-24v { regulator-name =3D "24V"; regulator-min-microvolt =3D <24000000>; regulator-max-microvolt =3D <24000000>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_reg24v>; + interrupts-extended =3D <&gpio4 23 IRQ_TYPE_EDGE_FALLING>; + system-critical-regulator; + regulator-uv-less-critical-window-ms =3D <50>; }; =20 reg_can2rs: regulator-can2rs { @@ -591,6 +596,12 @@ MX8MP_IOMUXC_SAI3_MCLK__PWM4_OUT 0x116 >; }; =20 + pinctrl_reg24v: reg24vgrp { + fsl,pins =3D < + MX8MP_IOMUXC_SAI2_RXD0__GPIO4_IO23 0x154 + >; + }; + pinctrl_reg_vsd_3v3: regvsd3v3grp { fsl,pins =3D < MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40 --=20 2.39.5