From patchwork Thu Nov 14 18:35:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 11244321 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 9E80A184E for ; Thu, 14 Nov 2019 18:36:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7DC1920709 for ; Thu, 14 Nov 2019 18:36:21 +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="QDjReYuJ"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="K6G0pOnU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726952AbfKNSgV (ORCPT ); Thu, 14 Nov 2019 13:36:21 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:55896 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726852AbfKNSfp (ORCPT ); Thu, 14 Nov 2019 13:35:45 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 38259613D1; Thu, 14 Nov 2019 18:35:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1573756544; bh=Xe3y4lO0o+G7wd7o5uty7IuBxQRp8lK4R1EoiDy8RUA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QDjReYuJxUcuaCQCjE1xNnytaQLOBJGOqPXkzLDtjL9tGrsYgAQ5+abJ9/3D8Sa2m wJ1237n5gxw+Qy2L4j1yCOrVhFlawfQOpDQppoAHVMPDm/+lF70h0/6NC3yBWXV4BB 52Eoo5yUWJc0HKO6InpExZnBoTKfnrS2rWDXgOyA= 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 5CF31613E4; Thu, 14 Nov 2019 18:35:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1573756541; bh=Xe3y4lO0o+G7wd7o5uty7IuBxQRp8lK4R1EoiDy8RUA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K6G0pOnU+LLlzlxbBo5KXbLCH/r/X7tbVbNBniOYwp3+xJAexZIlv8B6ldEy/uX3b T8ykRXPWFW5KrX4vuKF+vK8yppAp9HUBB4jAehxgFX5QFODGDciaujW6fo0pQF8xM9 XOHVDibsttYHxxMQcaOTRlkA9l/iJhUeiPeLjCGY= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5CF31613E4 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 05/12] of: irq: document properties for wakeup interrupt parent Date: Thu, 14 Nov 2019 11:35:14 -0700 Message-Id: <1573756521-27373-6-git-send-email-ilina@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1573756521-27373-1-git-send-email-ilina@codeaurora.org> References: <1573756521-27373-1-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>;