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: 11679031 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7F500138A for ; Wed, 22 Jul 2020 17:25:01 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3C514207DD for ; Wed, 22 Jul 2020 17:25:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NzJy0X8c" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C514207DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version: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=kYhVimcEEJzwyZ4MTUzjQJo6u9gt6kXtW+Aj6/s5OzY=; b=NzJy0X8cMMkWXu+Qu/7Nk228B h5A5rUCjsvSvlP/PAT4BbK3HpHxKC+3W7jOMAMOfOhemCiwgPhWyAxBcL8SCR7tW8Hk6IiexLmciG HajXtiiIGfex66aof+FKQwogn2ykENh/DjWXpQmBZYOr6MIR7PxurQ7RQAZ1UKJLPFvBeQMSlmxpk sSqGQiohWP8IuyC7YPx2wMAkdugpmQdxah2iCUpa2y8YRqIIl1P+RXKVGMv/bjsPMB+FwwwidOc+9 klnSYY9har+EIhb5cBisDfjkcNOKkUB26vZQIY/yBdZqevQbhPIy9cIEd3b1/TzCevNoj28HvgmhW sA+5OxRNg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jyISC-0008QF-3S; Wed, 22 Jul 2020 17:22:52 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jyIQZ-0007i2-Ij for linux-arm-kernel@lists.infradead.org; Wed, 22 Jul 2020 17:21:22 +0000 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200722_132111_734774_81F08B85 X-CRM114-Status: UNSURE ( 8.65 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, mathieu.poirier@linaro.org, Suzuki K Poulose , coresight@lists.linaro.org, linux-kernel@vger.kernel.org, Rob Herring , mike.leach@linaro.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 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";