From patchwork Fri Nov 15 22:11:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 11247155 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 46E08913 for ; Fri, 15 Nov 2019 22:18:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26F7F20740 for ; Fri, 15 Nov 2019 22:18:22 +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="JRDqK4gJ"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="C2WEG4IP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727136AbfKOWRu (ORCPT ); Fri, 15 Nov 2019 17:17:50 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:47346 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727121AbfKOWRt (ORCPT ); Fri, 15 Nov 2019 17:17:49 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 70FE96119E; Fri, 15 Nov 2019 22:17:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1573856268; bh=XhcTDR2gaQVtD8sQoO/Q38U8s3YqqcSActxZfPvDRNA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JRDqK4gJA2KF26bjEL5sTndALhzKgx90hU913YeTA2ueA+BAQsQRdHcx/GsOHTdY5 f7+lUb1tPUUtJ+Vyw2j0jnRvUaXp3T+7S+73Y2t8nS9/r3iqsTD6VVAi03WZ++3gur W3LN477VXTBb/H6YrH18nmopKR/SI3XfeFNdxXqA= 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 A44586110B; Fri, 15 Nov 2019 22:17:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1573856267; bh=XhcTDR2gaQVtD8sQoO/Q38U8s3YqqcSActxZfPvDRNA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C2WEG4IP1dqEJYTg1VWBMA8QjLebTBQY66KyAbz8OGIomEEFYQ+5i/jiVz3sICmMy hh64LgEaoTJrQrhwLiJPbFSA4hyvTb3bt9DpRRgqOHKo1rgx51f13VLrNU2fjIBcTl b4u3QZE28+DNaukEoTXgPgrXbailW6nZZDnLHisg= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A44586110B 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, maz@kernel.org, linus.walleij@linaro.org, bjorn.andersson@linaro.org Cc: evgreen@chromium.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, mkshah@codeaurora.org, linux-gpio@vger.kernel.org, agross@kernel.org, dianders@chromium.org, Lina Iyer , devicetree@vger.kernel.org Subject: [PATCH v2 05/12] of: irq: document properties for wakeup interrupt parent Date: Fri, 15 Nov 2019 15:11:48 -0700 Message-Id: <1573855915-9841-6-git-send-email-ilina@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1573855915-9841-1-git-send-email-ilina@codeaurora.org> References: <1573855915-9841-1-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 Reviewed-by: Stephen Boyd --- Changes in v1: - Remove whitespace at end of patch --- .../devicetree/bindings/interrupt-controller/interrupts.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt index 4a3ee25..4ebfa00 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt @@ -108,3 +108,15 @@ 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>;