From patchwork Wed Jul 22 17:20:40 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: 247025 Delivered-To: patch@linaro.org Received: by 2002:a92:d244:0:0:0:0:0 with SMTP id v4csp732463ilg; Wed, 22 Jul 2020 10:21:19 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwqpoqpA1uHf8rapUXGO/UlzQZi2Lp0zYOHyLbJwg2Ol3XAdjW6oV+ddnPF+cgGEeQnjdSm X-Received: by 2002:a17:906:c187:: with SMTP id g7mr653347ejz.108.1595438479250; Wed, 22 Jul 2020 10:21:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595438479; cv=none; d=google.com; s=arc-20160816; b=RO5d6ppAKjaEVGuYQuQL12lBhpZ+87PrbdHr5Oye7+IfrbzihiFqKUPiKeN/0iSXn1 kw63grJI912RK1qr99J6sXjJ8bCAvGJLKBVJZ1JJhBJoUN9mZkQjaz3US5lJQOCLFxsX DUwJF7Uk83zjpLYdah5kSLrxi+ExNGJYEuhZ4cCKKR47S2KbA6QgswzUodjUxMtmTqGZ srvX7l7Ens+H3nXQuBo0NISaH1g3omNhtaJXf6sC5ey04poJyn7G5a02vRnKVyxjjFls HlgMszB5G2+bhmGmTSXi48+0OTy9vmA6+gNnvKqhsU6FV+9n/QQgDb2bdHmElzhyJ06K z4gg== 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=ZgxRLLJTDO1eTob9W0ZxVyGjWT0CH+3y11v61JfXldQ=; b=US/AXIq3Ykr0gnZMcJ9D8cvDx9q0R76UqpZk3Tuzy+lATQfzaPW+WOCrtpqH5/MPoE nkN6evw0NOY1x/B+EU34u+GQqcTQrOtSa3Xh2vB5D0hVsRWYVRPzuseW49dhItus4BNe 4822n/l3zwK3rTuuWZg8IYNxPgw4uIVitoMybMnm41f5I2HSyMtR305qFWlVi6elKVeH hLm/WdEXvoAagaNslnkl3Qq4KOzWFQTjoyJf08uaoK5F2x0Pdeu8WQAWqNsVmLhAuXyA DchOPKvqPhuJPhMAK2jmxkQCrkn0RLK1977HlDZDYYjMXbO3v7CR+xh9WnG+j8cUK13J Ho8A== 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 df18si363308edb.501.2020.07.22.10.21.19; Wed, 22 Jul 2020 10:21:19 -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 S1732043AbgGVRVP (ORCPT + 6 others); Wed, 22 Jul 2020 13:21:15 -0400 Received: from foss.arm.com ([217.140.110.172]:60068 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728315AbgGVRVM (ORCPT ); Wed, 22 Jul 2020 13:21:12 -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 7478ED6E; Wed, 22 Jul 2020 10:21:11 -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 50F6F3F66F; Wed, 22 Jul 2020 10:21:10 -0700 (PDT) From: Suzuki K Poulose To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, mike.leach@linaro.org, mathieu.poirier@linaro.org, coresight@lists.linaro.org, Suzuki K Poulose , Rob Herring , devicetree@vger.kernel.org Subject: [RFC PATCH 14/14] dts: bindings: coresight: ETMv4.4 system register access only units Date: Wed, 22 Jul 2020 18:20:40 +0100 Message-Id: <20200722172040.1299289-15-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200722172040.1299289-1-suzuki.poulose@arm.com> References: <20200722172040.1299289-1-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: Rob Herring Cc: devicetree@vger.kernel.org Cc: Mathieu Poirier Cc: Mike Leach Signed-off-by: Suzuki K Poulose --- Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) -- 2.24.1 Reviewed-by: Rob Herring 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";