From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 521ABC433E6 for ; Wed, 23 Dec 2020 10:06:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22FC82246B for ; Wed, 23 Dec 2020 10:06:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728523AbgLWKFZ (ORCPT ); Wed, 23 Dec 2020 05:05:25 -0500 Received: from foss.arm.com ([217.140.110.172]:48062 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728489AbgLWKFW (ORCPT ); Wed, 23 Dec 2020 05:05:22 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2CC0C1509; Wed, 23 Dec 2020 02:04:18 -0800 (PST) Received: from p8cg001049571a15.blr.arm.com (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 1C9A43F718; Wed, 23 Dec 2020 02:04:14 -0800 (PST) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org Cc: linux-kernel@vger.kernel.org, Anshuman Khandual , Mathieu Poirier , Suzuki K Poulose , Mike Leach , Linu Cherian , devicetree@vger.kernel.org Subject: [PATCH 11/11] dts: bindings: Document device tree binding for Arm TRBE Date: Wed, 23 Dec 2020 15:33:43 +0530 Message-Id: <1608717823-18387-12-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1608717823-18387-1-git-send-email-anshuman.khandual@arm.com> References: <1608717823-18387-1-git-send-email-anshuman.khandual@arm.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch documents the device tree binding in use for Arm TRBE. Cc: devicetree@vger.kernel.org Cc: Mathieu Poirier Cc: Mike Leach Cc: Suzuki K Poulose Signed-off-by: Anshuman Khandual --- Changes in V1: - TRBE DT entry has been renamed as 'arm, trace-buffer-extension' Documentation/devicetree/bindings/arm/trbe.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/trbe.txt diff --git a/Documentation/devicetree/bindings/arm/trbe.txt b/Documentation/devicetree/bindings/arm/trbe.txt new file mode 100644 index 0000000..001945d --- /dev/null +++ b/Documentation/devicetree/bindings/arm/trbe.txt @@ -0,0 +1,20 @@ +* Trace Buffer Extension (TRBE) + +Trace Buffer Extension (TRBE) is used for collecting trace data generated +from a corresponding trace unit (ETE) using an in memory trace buffer. + +** TRBE Required properties: + +- compatible : should be one of: + "arm,trace-buffer-extension" + +- interrupts : Exactly 1 PPI must be listed. For heterogeneous systems where + TRBE is only supported on a subset of the CPUs, please consult + the arm,gic-v3 binding for details on describing a PPI partition. + +** Example: + +trbe { + compatible = "arm,trace-buffer-extension"; + interrupts = ; +}; -- 2.7.4