From patchwork Thu May 18 17:24:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 9734955 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 48749601C8 for ; Thu, 18 May 2017 17:25:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2AF36288B5 for ; Thu, 18 May 2017 17:25:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1C76B288BE; Thu, 18 May 2017 17:25:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A24A6288B5 for ; Thu, 18 May 2017 17:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=DJ1uDTxOG90Z+7fm0qs+7TlGPjELiqMWkzJ79VVS9PM=; b=bY8Q69ccXuJ/ao+VtbokdOZAWx 75TJqV01dkRZp9kIZUDSXK4JPXgrOU4awPfWNRyDUhSffjy2SMQf6c2fkNjYMknC3+wS1g/WUwrgM +ThiGwSEfygULlef2y5pJUMxmyrc5E8kEuUJYytthDNaMX+qZXN8BfqfWcMEXJRstNDg32mwIvTKp 1O9erbsoEmZiP5bNx5gskths8fcqO/kO/9I6zkYWxsJZqciY5FFFmEc6riPqdh33s8ulBED5KOZ1s azt+6FJDidoQCdyW/8RX7c+XOYf7B4BR28b18D2Khauv1piCo/u35xRlRNmoWmlESgS9hf7prpOGY HXyE4MGQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dBPBN-0006gM-5D; Thu, 18 May 2017 17:25:49 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dBPAr-0004YO-4S for linux-arm-kernel@lists.infradead.org; Thu, 18 May 2017 17:25:19 +0000 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 651C91682; Thu, 18 May 2017 10:24:35 -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 35E6E3F41F; Thu, 18 May 2017 10:24:35 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 0F3CE1AE3979; Thu, 18 May 2017 18:24:35 +0100 (BST) From: Will Deacon To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 5/5] dt-bindings: Document devicetree binding for ARM SPE Date: Thu, 18 May 2017 18:24:33 +0100 Message-Id: <1495128273-13941-6-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1495128273-13941-1-git-send-email-will.deacon@arm.com> References: <1495128273-13941-1-git-send-email-will.deacon@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170518_102517_455121_4EDE7C2A X-CRM114-Status: GOOD ( 11.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, robh@kernel.org, kim.phillips@arm.com, mathieu.poirier@linaro.org, pawel.moll@arm.com, suzuki.poulose@arm.com, marc.zyngier@arm.com, Will Deacon , linux-kernel@vger.kernel.org, alexander.shishkin@linux.intel.com, peterz@infradead.org, mingo@redhat.com, tglx@linutronix.de MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 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 = ; +};