From patchwork Fri Sep 11 08:41:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suzuki K Poulose X-Patchwork-Id: 249712 Delivered-To: patch@linaro.org Received: by 2002:a05:6e02:ecf:0:0:0:0 with SMTP id i15csp1453346ilk; Fri, 11 Sep 2020 01:42:01 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyBYQEb9e6usaQ803RYxCucVOVKERIUacyS24LIfEnWedmJbHzqrZQvrIKtUbbmxlXDXjB0 X-Received: by 2002:a17:906:24d2:: with SMTP id f18mr972050ejb.510.1599813721244; Fri, 11 Sep 2020 01:42:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599813721; cv=none; d=google.com; s=arc-20160816; b=EC0m2WzTxodkLKJr3TxX8+RXNGlDZXCgtIrFTNXPt/mUHSi+VhC+nGBhQGHFVQCK7d iW8J9oj0q79AlWT+ugCvRpzWJFgxKgOJz44pZFXeBKmNhPA4CAIxSJTg+4yuHWflu62b MEerZjOJbTGwv1kJdJu/UGPvqCMIsG0H7rO4Invr46Mx6R75J0XpfUaolSmiITsOw5Lu YAJj5xjr6EVVM1reo2BhKO0BGKz7dzCxwsvBX/eIkyYLwugH2/qOstZc4EbGwHEfyQ0h Y4ts+4oI5JXIatB3mhB6hlfYv/iJT3R5SahSGNNiHLrGm0HltCgpZD/eBNhpPa5dM2qi cSjg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=QzzCQLBD1JHcqr6GuVF1LmNX6YHnM/yaIe65x8e6UHI=; b=0WO97jA2NPFYq61juhMcbBqOQYTpCZtIJDt+kFGjm/dKBMARH0ZZ2z4+ANeBttpwnr 3wHiBfp60wr4QuGJ1wnRebztHu8LW2gQkHfO375c3VK33LHO7e5SHhmQKk/8TE0j4TL+ IzojZrQky7ZAWb/UF3coJC6ecfqU09bJgsGEVjveH7jAjfyVPFS0wCaKEKmvLbutefrg v7muRstmjjsN3MuuLUzs2fIkobuPdfDlL6SEoPr9T9ORuO25Do2gh+RpYGFhoCuXrnzz I+Flkvr3qpVprB5jcRbD1cVFvZ9CtX96a4kbHcRNiZ3s+vEAK//0PiOefD7Bdai3zLae 9BHQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q13si812490edc.610.2020.09.11.01.42.01; Fri, 11 Sep 2020 01:42:01 -0700 (PDT) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725554AbgIKIlz (ORCPT + 6 others); Fri, 11 Sep 2020 04:41:55 -0400 Received: from foss.arm.com ([217.140.110.172]:56870 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725780AbgIKIlw (ORCPT ); Fri, 11 Sep 2020 04:41:52 -0400 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 8594D11B3; Fri, 11 Sep 2020 01:41:51 -0700 (PDT) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 45EE63F73C; Fri, 11 Sep 2020 01:41:50 -0700 (PDT) From: Suzuki K Poulose To: linux-arm-kernel@lists.infradead.org Cc: coresight@lists.linaro.org, mathieu.poirier@linaro.org, mike.leach@linaro.org, leo.yan@linaro.org, Anshuman.Khandual@arm.com, Suzuki K Poulose , devicetree@vger.kernel.org, Rob Herring Subject: [PATCH 19/19] dts: bindings: coresight: ETMv4.4 system register access only units Date: Fri, 11 Sep 2020 09:41:19 +0100 Message-Id: <20200911084119.1080694-20-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200911084119.1080694-1-suzuki.poulose@arm.com> References: <20200911084119.1080694-1-suzuki.poulose@arm.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the bindings for ETMv4.4 and later with only system register access. Cc: devicetree@vger.kernel.org Cc: Mathieu Poirier Cc: Mike Leach Reviewed-by: Rob Herring Signed-off-by: Suzuki K Poulose --- Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) -- 2.24.1 diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index d711676b4a51..cfe47bdda728 100644 --- a/Documentation/devicetree/bindings/arm/coresight.txt +++ b/Documentation/devicetree/bindings/arm/coresight.txt @@ -34,9 +34,13 @@ its hardware characteristcs. Program Flow Trace Macrocell: "arm,coresight-etm3x", "arm,primecell"; - - Embedded Trace Macrocell (version 4.x): + - Embedded Trace Macrocell (version 4.x), with memory mapped access. "arm,coresight-etm4x", "arm,primecell"; + - Embedded Trace Macrocell (version 4.4 and later) with system + register access only. + "arm,coresight-etm-v4.4"; + - Coresight programmable Replicator : "arm,coresight-dynamic-replicator", "arm,primecell";