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[45.56.113.65]) by smtp.gmail.com with ESMTPSA id w22sm12729360yww.58.2019.04.06.04.22.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 06 Apr 2019 04:22:20 -0700 (PDT) From: Leo Yan To: Mathieu Poirier , Suzuki K Poulose , Rob Herring , Mark Rutland , Alexander Shishkin , Wanglai Shi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/4] dt-bindings: arm: coresight: Add new compatible for static replicator Date: Sat, 6 Apr 2019 19:21:42 +0800 Message-Id: <20190406112145.15184-2-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190406112145.15184-1-leo.yan@linaro.org> References: <20190406112145.15184-1-leo.yan@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190406_042222_876971_5B3DD47B X-CRM114-Status: GOOD ( 13.64 ) 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: Leo Yan MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org CoreSight uses below bindings for replicator: Static replicator, aka. non-configurable replicator: "arm,coresight-replicator"; Dynamic replicator, aka. configurable replicator: "arm,coresight-dynamic-replicator", "arm,primecell"; The compatible string "arm,coresight-replicator" is not an explicit naming to express the replicator is 'static'. To unify the naming convention, this patch introduces a new compatible string "arm,coresight-static-replicator" for the static replicator; the compatible string "arm,coresight-replicator" is still kept thus we can support the old DT binding, but tag it as obsolete and suggest to use the new compatible string. As result CoreSight replicator have below bindings: Static replicator: "arm,coresight-replicator"; (obsolete) "arm,coresight-static-replicator"; Dynamic replicator: "arm,coresight-dynamic-replicator", "arm,primecell"; Signed-off-by: Leo Yan --- Documentation/devicetree/bindings/arm/coresight.txt | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index f8aff65ab921..f8f794869af2 100644 --- a/Documentation/devicetree/bindings/arm/coresight.txt +++ b/Documentation/devicetree/bindings/arm/coresight.txt @@ -69,7 +69,11 @@ its hardware characteristcs. * compatible: Currently supported value is (note the absence of the AMBA markee): - - "arm,coresight-replicator" + - Coresight Non-configurable Replicator, the compatible string + "arm,coresight-replicator" is obsolete, keep it to support + the old DT bindings: + "arm,coresight-replicator"; + "arm,coresight-static-replicator"; * port or ports: see "Graph bindings for Coresight" below. @@ -169,7 +173,7 @@ Example: /* non-configurable replicators don't show up on the * AMBA bus. As such no need to add "arm,primecell". */ - compatible = "arm,coresight-replicator"; + compatible = "arm,coresight-static-replicator"; out-ports { #address-cells = <1>; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel