From nobody Tue Sep 16 00:47:50 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD9FAC678D5 for ; Mon, 9 Jan 2023 13:21:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237163AbjAINVF (ORCPT ); Mon, 9 Jan 2023 08:21:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237130AbjAINUp (ORCPT ); Mon, 9 Jan 2023 08:20:45 -0500 Received: from mout.perfora.net (mout.perfora.net [74.208.4.194]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49ABE1581D; Mon, 9 Jan 2023 05:20:41 -0800 (PST) Received: from toolbox.toradex.int ([31.10.206.125]) by mrelay.perfora.net (mreueus003 [74.208.5.2]) with ESMTPSA (Nemesis) id 0LdpDh-1oXsDy2kzr-00j5YO; Mon, 09 Jan 2023 14:20:18 +0100 From: Marcel Ziswiler To: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, Marcel Ziswiler , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo Subject: [PATCH v1 2/4] ARM: dts: colibri-imx6ull: improve wake-up with gpio key Date: Mon, 9 Jan 2023 14:19:59 +0100 Message-Id: <20230109132001.43489-3-marcel@ziswiler.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230109132001.43489-1-marcel@ziswiler.com> References: <20230109132001.43489-1-marcel@ziswiler.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:iwk28kDmTbG30NxDFZ0mJdTN6LCOY4Ooop7lbpEK6KbsV9r0HnS U9STLh8mM1LMsnhkbhrbZrDVrgmFJhpxxGPaHm4IxX+MBPd+G3/eHZhpUTLtCkbSzl9D8t+ EY2pRhlLTbX9m8/RwyhDuWjkgK96+kNdd4eV8QL5Y7oWAy/up063N3OqY8ETt71TUm4f6cl 0s9mxjPNquGf5247YMd3Q== UI-OutboundReport: notjunk:1;M01:P0:NO27kr/GBQs=;elwqcXqF7YvXGCse2NsLoUSEmVL v7wOotcM+ZolSiC5C+5ljq8LT4nrWCRCoYRcuLbBtvbB3jpP1DWe0wbNuj8n357h+NvDktepv 3sIFa4pZ5aD8XxEMdgZpjqJMRI9chi1DwBy/nnPV+kjx+lV/nfqd28yBHOmpspZxFjptG1o0n WTGCHJTt1+UlOVockefrRYn0MmUYlZkimUu5lc2Dm1Lr4olWo60zj7BX/o2/g8ptfxYwj2so0 a/lf5xGtgGHa4ovGHVobeNNMWRKYP7TOmCxjYgfxfC03uZSyFlTBbkYoENG+dR79XAnd4S8IF LrOEuvf/VXIv2f/wayj3awvTySuwDu7LllPk+X4l/KN2avCGb4hz6W/9kaj/990ljlCG3fZVh zq6jyxyPKDiB4cCnpOoloxUAuQDgFaOJo3nHa2LA8kV6HuLpMZxwkAdGuo3EBq3JD5AFGxyYv 1m8OQ+DWsbJlpcMxlda3mNNwmDs/H/1esyTw7h0zyk0Bcf+XW6qnzDWmKQVeDCEByLjP87hxh TnX9U/MbnwAN7lbNh4ymmiXtGSkQvv6OxJMYjuB8FpgrkDjX2JgnF8408bQqgiEQyIQH74Ad5 TqNpAQBGT2xGFQVdxV0uIsZbG6Az2HGPKJVIQ9Y+H6XysB8RB7ZKM6BtXUdEAXZYlgXCATaJ+ ekK90K/XT88jmes9QtpUTPdFuJnm+lLE9kg5e9GCqA== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Marcel Ziswiler The pin GPIO5_IO01 externally pulls down, it is required to sequentially connect this pin (signal WAKE_MICO#) to +3v3 and then disconnect it to trigger a wakeup interrupt. Adding the flag GPIO_PULL_DOWN allows the system to be woken up just connecting the pin GPIO5_IO01 to +3v3. Signed-off-by: Marcel Ziswiler --- arch/arm/boot/dts/imx6ull-colibri.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx= 6ull-colibri.dtsi index 336ab2e0534c..368d11ae7a8a 100644 --- a/arch/arm/boot/dts/imx6ull-colibri.dtsi +++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi @@ -53,7 +53,7 @@ gpio-keys { =20 wakeup { debounce-interval =3D <10>; - gpios =3D <&gpio5 1 GPIO_ACTIVE_HIGH>; /* SODIMM 45 */ + gpios =3D <&gpio5 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* SODIMM 45 = */ label =3D "Wake-Up"; linux,code =3D ; wakeup-source; --=20 2.35.1