From patchwork Fri Sep 13 19:15:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 1162213 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="jtbuwLj4"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46VQN24bJPz9sP6 for ; Sat, 14 Sep 2019 05:16:02 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390076AbfIMTPz (ORCPT ); Fri, 13 Sep 2019 15:15:55 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:39101 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390051AbfIMTPx (ORCPT ); Fri, 13 Sep 2019 15:15:53 -0400 Received: by mail-pf1-f195.google.com with SMTP id i1so9820764pfa.6; Fri, 13 Sep 2019 12:15:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=BRtSatqLH/MfhNYbSV1CsCvP0aOfEd/XjwPUQaxk57I=; b=jtbuwLj4zNgb1GtpmdFk0gc5/kOlfHWykktKB/RyfHGZlZ1uNNSe///SsSsOJUQYFF Q9razuSg4mXJrOS3/UL7LsOqJCRQ3kwJ61kXoB9GaoWUMuk39DPbAje3201ECWIP6foO 5tvjebWmEksOAdijtNIJCgdo0QIt76FT2Cu4Uc8LjA7mpoLUgAeE7lJMuIXTsSOiR8TU ZiJDd2lV4KYp8fZRljygwB/gZbxkKw2lXiLxI95TPPvR+hxQP5vhRdb5JGiCSBmj6VzY uhkJTeOlUCpYzsaVOJtrHduNmkwVa2XZuljaU0dT/4SI5WtVmLAHjoR6E+SeaSvCf12j Bw4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=BRtSatqLH/MfhNYbSV1CsCvP0aOfEd/XjwPUQaxk57I=; b=Yoy9HlDON14GqNsJo+5BSOs+AxuzkvUBPfXwRf6QaZ6odYR4Lqz2xMkwhKkYjikbWo hh5HrspqpG+7mEPhKaW+jbr9ROVTrGU33N1s6EhJH0w+GsjJmirdpVSy9GtmHTWVmenO Rv/CoxY7cCMMfCI7+XHqmXzHC9U06QwSIQW3gFRiStVmmwHbZ1AsNA8Ul1p89t6wunpL dMuCvvBjOnemfLlfCQQz30RRicSpxUYNNgBFhTrzBvca5uZtREMx7LGD7qlLpnld1eDB kLgdz1PZL6vddIsEqVuTPwdx8RLeCbEVTaszr+M9mVrFHTr0zQyC2Gq5GLV4Si1jALxe pXLQ== X-Gm-Message-State: APjAAAVIiyEucjhGThvLUPrrt6DZEKWw2zFrxHF3dpzXBGX1kYZ+oPZl T8mm8M+hJ1HYTiMZgQUPeGd8d/LgUAo= X-Google-Smtp-Source: APXvYqzxO0qzlIQtB7mDNY47JFE1/g8cLqnGE+hjEzq3cLN7pORngII31PI7vqJXoRIRninpX2wrJQ== X-Received: by 2002:a63:e44b:: with SMTP id i11mr7318696pgk.297.1568402152112; Fri, 13 Sep 2019 12:15:52 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id m24sm6988149pgj.71.2019.09.13.12.15.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Sep 2019 12:15:51 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring , Mark Rutland , Kevin Cernekee , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), bcm-kernel-feedback-list@broadcom.com (open list:BROADCOM BMIPS MIPS ARCHITECTURE), linux-mips@vger.kernel.org (open list:BROADCOM BMIPS MIPS ARCHITECTURE) Subject: [PATCH v2 4/5] dt-bindings: Document brcm, int-fwd-mask property for bcm7038-l1-intc Date: Fri, 13 Sep 2019 12:15:41 -0700 Message-Id: <20190913191542.9908-5-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190913191542.9908-1-f.fainelli@gmail.com> References: <20190913191542.9908-1-f.fainelli@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Indicate that the brcm,int-fwd-mask property is optional and can be optionaly set on platforms which require to leave specific interrupts untouched from Linux and retain the firmware configuration. Signed-off-by: Florian Fainelli Acked-by: Rob Herring --- .../bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt index 4eb043270f5b..31d31af408c5 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm7038-l1-intc.txt @@ -36,6 +36,10 @@ Optional properties: - brcm,irq-can-wake: If present, this means the L1 controller can be used as a wakeup source for system suspend/resume. +- brcm,int-fwd-mask: if present, a bit mask to indicate which interrupts + have already been configured by the firmware and should be left untouched. + This should have one 32-bit word per status/set/clear/mask group. + If multiple reg ranges and interrupt-parent entries are present on an SMP system, the driver will allow IRQ SMP affinity to be set up through the /proc/irq/ interface. In the simplest possible configuration, only one