From mboxrd@z Thu Jan 1 00:00:00 1970 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, URIBL_BLOCKED autolearn=ham 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 33AEDC35254 for ; Wed, 5 Feb 2020 14:31:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1559B217F4 for ; Wed, 5 Feb 2020 14:31:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726416AbgBEObB (ORCPT ); Wed, 5 Feb 2020 09:31:01 -0500 Received: from comms.puri.sm ([159.203.221.185]:48826 "EHLO comms.puri.sm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726046AbgBEObB (ORCPT ); Wed, 5 Feb 2020 09:31:01 -0500 Received: from localhost (localhost [127.0.0.1]) by comms.puri.sm (Postfix) with ESMTP id 999CBE049D; Wed, 5 Feb 2020 06:31:00 -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 8X0Ugy737Zw9; Wed, 5 Feb 2020 06:30:59 -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)" Subject: [PATCH v1 03/12] arm64: dts: librem5-devkit: allow modem to wake the system from suspend Date: Wed, 5 Feb 2020 15:29:54 +0100 Message-Id: <20200205143003.28408-4-martin.kepplinger@puri.sm> In-Reply-To: <20200205143003.28408-1-martin.kepplinger@puri.sm> References: <20200205143003.28408-1-martin.kepplinger@puri.sm> Content-Transfer-Encoding: 8bit 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) --- .../dts/freescale/imx8mq-librem5-devkit.dts | 27 +++++++++++++++---- 1 file changed, 22 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts index 8162576e8f3d..ac6ba227e1da 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts @@ -33,7 +33,7 @@ gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gpio_keys>; + pinctrl-0 = <&pinctrl_gpio_keys>, <&pinctrl_wwan_in>; btn1 { label = "VOL_UP"; @@ -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 { @@ -767,11 +776,19 @@ >; }; - pinctrl_wwan: wwangrp { + pinctrl_wwan_in: wwaningrp { + fsl,pins = < + /* nWoWWAN */ + MX8MQ_IOMUXC_NAND_DATA02_GPIO3_IO8 0x80 + >; + }; + + pinctrl_wwan_out: wwanoutgrp { fsl,pins = < - MX8MQ_IOMUXC_NAND_CE3_B_GPIO3_IO4 0x09 /* nWWAN_DISABLE */ - MX8MQ_IOMUXC_NAND_DATA02_GPIO3_IO8 0x80 /* nWoWWAN */ - MX8MQ_IOMUXC_NAND_DATA03_GPIO3_IO9 0x19 /* WWAN_RESET */ + /* nWWAN_DISABLE */ + MX8MQ_IOMUXC_NAND_CE3_B_GPIO3_IO4 0x09 + /* WWAN_RESET */ + MX8MQ_IOMUXC_NAND_DATA03_GPIO3_IO9 0x19 >; }; }; -- 2.20.1