From patchwork Thu Sep 28 14:09:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 114451 Delivered-To: patch@linaro.org Received: by 10.140.106.117 with SMTP id d108csp791635qgf; Thu, 28 Sep 2017 07:11:34 -0700 (PDT) X-Google-Smtp-Source: AOwi7QDk0wdDC5f4I+ULxUClJ9tbWKoY2kOu69tAVcl7V7mQYopcEDs67xtHxYYzn6LzkeWMEsVA X-Received: by 10.99.117.81 with SMTP id f17mr4332806pgn.181.1506607894665; Thu, 28 Sep 2017 07:11:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1506607894; cv=none; d=google.com; s=arc-20160816; b=jrD9peokVZPHTtzg6603E1v3e7mlUlP29swKX6dmdpQiiSfXm6dAYzylQPM99o9obe bZBOvEvqjn3EDHrDdC91a3iEYNr3VW1tPW6DRvC6FoiVgX85+Aua2iblDgjiuY8Xr5o5 t9jFM7QfHFVtfNAWEvmRg5WKqMvukucgL60eGirqKAcWlAyCYx0O2z9zBAojLzWXNBBN f8V/6iHRRCkPOioC8e0vTlWw4Ln8Ezl+s6VJt4XX4zCg2sX+/653UhUzXEmSfIgem1Zd aqHxTscQi2nNcZyZDDijvp1ts7GoEc7f48W6VdOaCPB0msdBD9jwb3jK0CUliLvQtouG LY9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=/ktp22+BngYhs3iGuD2IYIwUwDAU5V4W00gibrkKBX0=; b=OZQn1Z5LEr0xegmuxt4JzT4ROOncZYYHl1fp8XHJqVu06U9tkk+GVfZ3p4wGOVQn0+ W9Yy9SR21gmStOTBVdXQr1sZOPjZlj0d8QaHq2WnsmWGW+dNhJooOeF0mMH5p+jvDeab EqVcpO2vf4akEH1mu9ZX9T7JVlHPToRGbv0vlEPlhd6xzxf62orRp3tBi8yc0YyVKeYg vIMQ7l2qZFxu5gYg7XWWuyq7lde10iRHFcP4oJsw+ZV41GauynCFo0/VFOTI7FdKMDMk bsu+Al5/BoupvzOCJ0qcY2KeX9L4I1qs4yqOQXl/93FdU40obs7Nbb2VnN8zVqAsKupp PBkg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h4si1489028pgs.34.2017.09.28.07.11.34; Thu, 28 Sep 2017 07:11:34 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753341AbdI1OLH (ORCPT + 26 others); Thu, 28 Sep 2017 10:11:07 -0400 Received: from foss.arm.com ([217.140.101.70]:58248 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751474AbdI1OJj (ORCPT ); Thu, 28 Sep 2017 10:09:39 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 076701688; Thu, 28 Sep 2017 07:09:39 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id CD8FA3F577; Thu, 28 Sep 2017 07:09:38 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id D8BB71AE30B8; Thu, 28 Sep 2017 15:09:52 +0100 (BST) From: Will Deacon To: linux-arm-kernel@lists.infradead.org Cc: marc.zyngier@arm.com, mark.rutland@arm.com, kim.phillips@arm.com, tglx@linutronix.de, peterz@infradead.org, alexander.shishkin@linux.intel.com, robh@kernel.org, suzuki.poulose@arm.com, pawel.moll@arm.com, mathieu.poirier@linaro.org, mingo@redhat.com, linux-kernel@vger.kernel.org, Will Deacon Subject: [PATCH v5 7/7] dt-bindings: Document devicetree binding for ARM SPE Date: Thu, 28 Sep 2017 15:09:51 +0100 Message-Id: <1506607791-8621-8-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1506607791-8621-1-git-send-email-will.deacon@arm.com> References: <1506607791-8621-1-git-send-email-will.deacon@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch documents the devicetree binding in use for ARM SPE. Cc: Mark Rutland Cc: Rob Herring Signed-off-by: Will Deacon --- Documentation/devicetree/bindings/arm/spe-pmu.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/spe-pmu.txt -- 2.1.4 Acked-by: Mark Rutland diff --git a/Documentation/devicetree/bindings/arm/spe-pmu.txt b/Documentation/devicetree/bindings/arm/spe-pmu.txt new file mode 100644 index 000000000000..93372f2a7df9 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/spe-pmu.txt @@ -0,0 +1,20 @@ +* ARMv8.2 Statistical Profiling Extension (SPE) Performance Monitor Units (PMU) + +ARMv8.2 introduces the optional Statistical Profiling Extension for collecting +performance sample data using an in-memory trace buffer. + +** SPE Required properties: + +- compatible : should be one of: + "arm,statistical-profiling-extension-v1" + +- interrupts : Exactly 1 PPI must be listed. For heterogeneous systems where + SPE is only supported on a subset of the CPUs, please consult + the arm,gic-v3 binding for details on describing a PPI partition. + +** Example: + +spe-pmu { + compatible = "arm,statistical-profiling-extension-v1"; + interrupts = ; +};