From patchwork Thu Dec 19 07:25:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmad Fatoum X-Patchwork-Id: 13914621 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3F0C7E77184 for ; Thu, 19 Dec 2024 07:35:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dTT/MRoSUsv4+y0841WJmZ4MRr8yoqWv8FVuZC5pLyI=; b=t1hnAkduwgKSrimvzTNagcWTQR GBcM+/sr7st/zRXLyIXy/RUAIS+Ft5pINbBzOWc3WZE258t6pPaXK7dY9aoUgOJhFN1Ni/KJxJWis rWsES/4dpJY1/NCLx7gboC476Kj8ogA/LIEsQaJphrLHOgsMUSG5HN+pKjZD/kynHNUfGyhxzfcNX ZnFOC9spOilA78kc5HpRvo1wpeO7BFY8D2TqLTAYmkNgzqWkSytT02ffiaN+OiB8Dov8xI+AICgZb uEYNqrZW/BxGY5kye1URHeBthB0puZZ+NFJ9T1t84K9XNbwz6LEA6KgFf5P62gDssGRwBNppzgWF+ 5czXlZ8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tOB4W-000000016xx-3wv1; Thu, 19 Dec 2024 07:35:48 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tOAv2-000000014si-0q0x for linux-arm-kernel@lists.infradead.org; Thu, 19 Dec 2024 07:26:01 +0000 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 MIME-Version: 1.0 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-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241218_232600_242174_601BE513 X-CRM114-Status: GOOD ( 11.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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/arm64/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 = "24V"; regulator-min-microvolt = <24000000>; regulator-max-microvolt = <24000000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg24v>; + interrupts-extended = <&gpio4 23 IRQ_TYPE_EDGE_FALLING>; + system-critical-regulator; + regulator-uv-less-critical-window-ms = <50>; }; reg_can2rs: regulator-can2rs { @@ -591,6 +596,12 @@ MX8MP_IOMUXC_SAI3_MCLK__PWM4_OUT 0x116 >; }; + pinctrl_reg24v: reg24vgrp { + fsl,pins = < + MX8MP_IOMUXC_SAI2_RXD0__GPIO4_IO23 0x154 + >; + }; + pinctrl_reg_vsd_3v3: regvsd3v3grp { fsl,pins = < MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40