From nobody Tue Sep 16 00:47:51 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 7BEE0C5479D for ; Mon, 9 Jan 2023 13:20:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237104AbjAINUh (ORCPT ); Mon, 9 Jan 2023 08:20:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236912AbjAINUd (ORCPT ); Mon, 9 Jan 2023 08:20:33 -0500 Received: from mout.perfora.net (mout.perfora.net [74.208.4.194]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BA07B1F2; Mon, 9 Jan 2023 05:20:31 -0800 (PST) Received: from toolbox.toradex.int ([31.10.206.125]) by mrelay.perfora.net (mreueus003 [74.208.5.2]) with ESMTPSA (Nemesis) id 0MVNsG-1pGc7M491y-00YgcH; Mon, 09 Jan 2023 14:20:15 +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 1/4] ARM: dts: colibri-imx6: improve wake-up with gpio key Date: Mon, 9 Jan 2023 14:19:58 +0100 Message-Id: <20230109132001.43489-2-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:K1:6y1cfSpqEZ9wRkfdX3Y020ea3gH+k7UBkwdukIQsHIR2Jr5dVms ffe+yN7qTiVCZruM88hL63mbubt0KL1A0MPDAYcW/T/N+du0HFojZu56DWq4aakfsstXjr2 qAZHQeIXiy9XJhebz503NrVx4KBBVbF2EVAU1tQuo7xEe4QTMlUW0UUeb+etsLEwpe1aA8i UW2PJk2cFDBaEgkSv/ueQ== UI-OutboundReport: notjunk:1;M01:P0:mMzeISvpHW8=;Kiqq4GP+6yZUaqHWbvsd7fLv1iS 5Ti95blx3G+vVKUCW2gc99JhSCjo8nhVe42x/m2PACVJAFWPKj55TI8AZDZCQTwrjG3s+JBrt q9qVdhOHFxMzmZxu5y8WTtKAtXDwiYs7DL71wa+ECmMOWPplEhPaD71Zbds//Vf+JoERrHfFL /PLdDm0lYy+bi2MFspO1xRcuh0XqNiusIZKPOtj2kC00iN3730Y09yxgzpg+cqvlrJyizq6b/ aq2SVW1hyOabE8Nh+laGYOI5CWETvhA6f2N+1cBSxxgNbkA3zPv6HqHUs9LeDC1Kk58xKu9J1 WJang0UAZuYxAWAGfE5xwRNp031wA4S0ptj4dO1AoYVO6cTfqsz+kiC4bBZ6AWgr7WGSZ4+Yq ffXLDRW/dJGvpdHrBKEc6BRc8fqwK6+h4LTq6Ns6i5RSrm3akoWMLiki1lcc4aNwyXHeXc4sb gKg+NtexwQ4grBF7RpxebkpTTDPeURfadqk/y2G87TEcggnTODL289P8dBHxc4SuhK2y5e8xj BSSgV/leiqKGmYLydmW81koOWFB8zT5ttupEc458lOKDf3TdkR5bdXI5BucZDLjAg/qCEKNU0 BQyuQMU2l6E4rdjPkhcG3Ou4to8EQqfveeX9QhYr6z38L4alWqb2k6i5jnRMEf5XD97k5Fe9r k22GLe07NcWC6Dw9IM84qpdQuak3IhRqMXSlT6hcxg== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Marcel Ziswiler The pin GPIO2_IO22 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 GPIO2_IO22 to +3v3. Signed-off-by: Marcel Ziswiler --- arch/arm/boot/dts/imx6qdl-colibri.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx= 6qdl-colibri.dtsi index d8f985f297e4..9abce6bc6dd4 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -38,7 +38,7 @@ gpio-keys { =20 wakeup { debounce-interval =3D <10>; - gpios =3D <&gpio2 22 GPIO_ACTIVE_HIGH>; /* SODIMM 45 */ + gpios =3D <&gpio2 22 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* SODIMM 45= */ label =3D "Wake-Up"; linux,code =3D ; wakeup-source; --=20 2.35.1