From patchwork Thu Feb 27 13:17:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger X-Patchwork-Id: 204127 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90F02C4BA3B for ; Thu, 27 Feb 2020 13:18:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69D1D2469F for ; Thu, 27 Feb 2020 13:18:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729221AbgB0NSB (ORCPT ); Thu, 27 Feb 2020 08:18:01 -0500 Received: from comms.puri.sm ([159.203.221.185]:39788 "EHLO comms.puri.sm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729210AbgB0NR7 (ORCPT ); Thu, 27 Feb 2020 08:17:59 -0500 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id 23444DFD30; Thu, 27 Feb 2020 05:17:59 -0800 (PST) Received: from comms.puri.sm ([127.0.0.1]) by localhost (comms.puri.sm [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id B4fOomCxCS8C; Thu, 27 Feb 2020 05:17:58 -0800 (PST) From: Martin Kepplinger To: robh@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com Cc: linux-imx@nxp.com, Anson.Huang@nxp.com, devicetree@vger.kernel.org, kernel@puri.sm, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Angus Ainslie (Purism)" , Martin Kepplinger Subject: [PATCH v4 4/8] arm64: dts: librem5-devkit: allow modem to wake the system from suspend Date: Thu, 27 Feb 2020 14:17:29 +0100 Message-Id: <20200227131733.4228-5-martin.kepplinger@puri.sm> In-Reply-To: <20200227131733.4228-1-martin.kepplinger@puri.sm> References: <20200227131733.4228-1-martin.kepplinger@puri.sm> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: "Angus Ainslie (Purism)" Connect the WoWWAN signal to a gpio key to wake up the system from suspend. Signed-off-by: Angus Ainslie (Purism) Signed-off-by: Martin Kepplinger --- .../arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts index 84443e4857d5..823d5c60a8fa 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts @@ -55,6 +55,15 @@ wakeup-source; linux,code = ; }; + + wwan-wake { + label = "WWAN_WAKE"; + gpios = <&gpio3 8 GPIO_ACTIVE_LOW>; + interrupt-parent = <&gpio3>; + interrupts = <8 GPIO_ACTIVE_LOW>; + wakeup-source; + linux,code = ; + }; }; leds { @@ -576,6 +585,7 @@ MX8MQ_IOMUXC_SAI2_RXFS_GPIO4_IO21 0x16 MX8MQ_IOMUXC_SAI2_RXC_GPIO4_IO22 0x16 MX8MQ_IOMUXC_SAI5_RXC_GPIO3_IO20 0x180 /* HP_DET */ + MX8MQ_IOMUXC_NAND_DATA02_GPIO3_IO8 0x80 /* nWoWWAN */ >; };