From patchwork Fri Sep 13 21:59:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 11145359 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1153117E6 for ; Fri, 13 Sep 2019 22:00:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E56002084F for ; Fri, 13 Sep 2019 22:00:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="cxphENNd"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="cxphENNd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390340AbfIMV7r (ORCPT ); Fri, 13 Sep 2019 17:59:47 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:59698 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390268AbfIMV7r (ORCPT ); Fri, 13 Sep 2019 17:59:47 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id A686B60A60; Fri, 13 Sep 2019 21:59:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1568411986; bh=Nma9mWXyYVp2E0wi8Zqshh5FM0cWL4gvjEG+g+1UyeA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cxphENNdwsUDWvQuIOiqIc4JWPFSWkaGsuRImOb9XIuVtKg/Fs7xzokdrGyS74xnV MXJr57gCG6whBnAjGq5pvgiVejWJXwqvT9iRk7hLQzPjML3JtneFCtSjeb1IWxQTob D3G/VePO0vz3G6VZi1BTrHhqn1wsNe3JdTORylxA= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_INVALID,DKIM_SIGNED,SPF_NONE autolearn=no autolearn_force=no version=3.4.0 Received: from codeaurora.org (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: ilina@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6DF0560C72; Fri, 13 Sep 2019 21:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1568411986; bh=Nma9mWXyYVp2E0wi8Zqshh5FM0cWL4gvjEG+g+1UyeA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cxphENNdwsUDWvQuIOiqIc4JWPFSWkaGsuRImOb9XIuVtKg/Fs7xzokdrGyS74xnV MXJr57gCG6whBnAjGq5pvgiVejWJXwqvT9iRk7hLQzPjML3JtneFCtSjeb1IWxQTob D3G/VePO0vz3G6VZi1BTrHhqn1wsNe3JdTORylxA= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6DF0560C72 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=ilina@codeaurora.org From: Lina Iyer To: swboyd@chromium.org, evgreen@chromium.org, maz@kernel.org, linus.walleij@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org, mkshah@codeaurora.org, linux-gpio@vger.kernel.org, Lina Iyer , devicetree@vger.kernel.org Subject: [PATCH RFC v2 05/14] of: irq: document properties for wakeup interrupt parent Date: Fri, 13 Sep 2019 15:59:13 -0600 Message-Id: <1568411962-1022-6-git-send-email-ilina@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1568411962-1022-1-git-send-email-ilina@codeaurora.org> References: <1568411962-1022-1-git-send-email-ilina@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Some interrupt controllers in a SoC, are always powered on and have a select interrupts routed to them, so that they can wakeup the SoC from suspend. Add wakeup-parent DT property to refer to these interrupt controllers. Cc: devicetree@vger.kernel.org Signed-off-by: Lina Iyer Reviewed-by: Rob Herring Reviewed-by: Linus Walleij --- .../devicetree/bindings/interrupt-controller/interrupts.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt index 8a3c408..c10e310 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt @@ -108,3 +108,16 @@ commonly used: sensitivity = <7>; }; }; + +3) Interrupt wakeup parent +-------------------------- + +Some interrupt controllers in a SoC, are always powered on and have a select +interrupts routed to them, so that they can wakeup the SoC from suspend. These +interrupt controllers do not fall into the category of a parent interrupt +controller and can be specified by the "wakeup-parent" property and contain a +single phandle referring to the wakeup capable interrupt controller. + + Example: + wakeup-parent = <&pdc_intc>; +