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[45.56.113.65]) by smtp.gmail.com with ESMTPSA id w22sm12729360yww.58.2019.04.06.04.22.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 06 Apr 2019 04:22:31 -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 Cc: Leo Yan Subject: [PATCH v4 3/4] dt-bindings: arm: coresight: Unify funnel DT binding Date: Sat, 6 Apr 2019 19:21:44 +0800 Message-Id: <20190406112145.15184-4-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> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Following the same fashion with replicator DT binding, this patch is to unify the DT binding for funnel to support static and dynamic modes; finally we get the funnel DT binding as below: Before patch: Static funnel, aka. non-configurable funnel: Not supported; Dynamic funnel, aka. configurable funnel: "arm,coresight-funnel", "arm,primecell"; After patch: Static funnel: "arm,coresight-static-funnel"; Dynamic funnel: "arm,coresight-funnel", "arm,primecell"; (obsolete) "arm,coresight-dynamic-funnel", "arm,primecell"; At the end of this patch, it gives an example for static funnel DT binding, and updates the dynamic funnel example. Cc: Mathieu Poirier Cc: Suzuki K Poulose Cc: Wanglai Shi Signed-off-by: Leo Yan --- .../devicetree/bindings/arm/coresight.txt | 52 +++++++++++++++++-- 1 file changed, 48 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index f8f794869af2..f8ad11a17cd5 100644 --- a/Documentation/devicetree/bindings/arm/coresight.txt +++ b/Documentation/devicetree/bindings/arm/coresight.txt @@ -8,7 +8,8 @@ through the intermediate links connecting the source to the currently selected sink. Each CoreSight component device should use these properties to describe its hardware characteristcs. -* Required properties for all components *except* non-configurable replicators: +* Required properties for all components *except* non-configurable replicators + and non-configurable funnels: * compatible: These have to be supplemented with "arm,primecell" as drivers are using the AMBA bus interface. Possible values include: @@ -24,8 +25,11 @@ its hardware characteristcs. discovered at boot time when the device is probed. "arm,coresight-tmc", "arm,primecell"; - - Trace Funnel: + - Trace Programmable Funnel, the compatible string + "arm,coresight-funnel" is obsolete, keep it to support + the old DT bindings: "arm,coresight-funnel", "arm,primecell"; + "arm,coresight-dynamic-funnel", "arm,primecell"; - Embedded Trace Macrocell (version 3.x) and Program Flow Trace Macrocell: @@ -65,7 +69,7 @@ its hardware characteristcs. "stm-stimulus-base", each corresponding to the areas defined in "reg". * Required properties for devices that don't show up on the AMBA bus, such as - non-configurable replicators: + non-configurable replicators and non-configurable funnels: * compatible: Currently supported value is (note the absence of the AMBA markee): @@ -75,6 +79,9 @@ its hardware characteristcs. "arm,coresight-replicator"; "arm,coresight-static-replicator"; + - Coresight Non-configurable Funnel: + "arm,coresight-static-funnel"; + * port or ports: see "Graph bindings for Coresight" below. * Optional properties for ETM/PTMs: @@ -204,8 +211,45 @@ Example: }; }; + funnel { + /* + * non-configurable funnel don't show up on the AMBA + * bus. As such no need to add "arm,primecell". + */ + compatible = "arm,coresight-static-funnel"; + clocks = <&crg_ctrl HI3660_PCLK>; + clock-names = "apb_pclk"; + + out-ports { + port { + combo_funnel_out: endpoint { + remote-endpoint = <&top_funnel_in>; + }; + }; + }; + + in-ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + combo_funnel_in0: endpoint { + remote-endpoint = <&cluster0_etf_out>; + }; + }; + + port@1 { + reg = <1>; + combo_funnel_in1: endpoint { + remote-endpoint = <&cluster1_etf_out>; + }; + }; + }; + }; + funnel@20040000 { - compatible = "arm,coresight-funnel", "arm,primecell"; + compatible = "arm,coresight-dynamic-funnel", "arm,primecell"; reg = <0 0x20040000 0 0x1000>; clocks = <&oscclk6a>; -- 2.17.1 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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 CADE3C10F06 for ; 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[45.56.113.65]) by smtp.gmail.com with ESMTPSA id w22sm12729360yww.58.2019.04.06.04.22.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 06 Apr 2019 04:22:31 -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 3/4] dt-bindings: arm: coresight: Unify funnel DT binding Date: Sat, 6 Apr 2019 19:21:44 +0800 Message-Id: <20190406112145.15184-4-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_042233_700175_DD75B1AA X-CRM114-Status: GOOD ( 15.36 ) 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 Following the same fashion with replicator DT binding, this patch is to unify the DT binding for funnel to support static and dynamic modes; finally we get the funnel DT binding as below: Before patch: Static funnel, aka. non-configurable funnel: Not supported; Dynamic funnel, aka. configurable funnel: "arm,coresight-funnel", "arm,primecell"; After patch: Static funnel: "arm,coresight-static-funnel"; Dynamic funnel: "arm,coresight-funnel", "arm,primecell"; (obsolete) "arm,coresight-dynamic-funnel", "arm,primecell"; At the end of this patch, it gives an example for static funnel DT binding, and updates the dynamic funnel example. Cc: Mathieu Poirier Cc: Suzuki K Poulose Cc: Wanglai Shi Signed-off-by: Leo Yan --- .../devicetree/bindings/arm/coresight.txt | 52 +++++++++++++++++-- 1 file changed, 48 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index f8f794869af2..f8ad11a17cd5 100644 --- a/Documentation/devicetree/bindings/arm/coresight.txt +++ b/Documentation/devicetree/bindings/arm/coresight.txt @@ -8,7 +8,8 @@ through the intermediate links connecting the source to the currently selected sink. Each CoreSight component device should use these properties to describe its hardware characteristcs. -* Required properties for all components *except* non-configurable replicators: +* Required properties for all components *except* non-configurable replicators + and non-configurable funnels: * compatible: These have to be supplemented with "arm,primecell" as drivers are using the AMBA bus interface. Possible values include: @@ -24,8 +25,11 @@ its hardware characteristcs. discovered at boot time when the device is probed. "arm,coresight-tmc", "arm,primecell"; - - Trace Funnel: + - Trace Programmable Funnel, the compatible string + "arm,coresight-funnel" is obsolete, keep it to support + the old DT bindings: "arm,coresight-funnel", "arm,primecell"; + "arm,coresight-dynamic-funnel", "arm,primecell"; - Embedded Trace Macrocell (version 3.x) and Program Flow Trace Macrocell: @@ -65,7 +69,7 @@ its hardware characteristcs. "stm-stimulus-base", each corresponding to the areas defined in "reg". * Required properties for devices that don't show up on the AMBA bus, such as - non-configurable replicators: + non-configurable replicators and non-configurable funnels: * compatible: Currently supported value is (note the absence of the AMBA markee): @@ -75,6 +79,9 @@ its hardware characteristcs. "arm,coresight-replicator"; "arm,coresight-static-replicator"; + - Coresight Non-configurable Funnel: + "arm,coresight-static-funnel"; + * port or ports: see "Graph bindings for Coresight" below. * Optional properties for ETM/PTMs: @@ -204,8 +211,45 @@ Example: }; }; + funnel { + /* + * non-configurable funnel don't show up on the AMBA + * bus. As such no need to add "arm,primecell". + */ + compatible = "arm,coresight-static-funnel"; + clocks = <&crg_ctrl HI3660_PCLK>; + clock-names = "apb_pclk"; + + out-ports { + port { + combo_funnel_out: endpoint { + remote-endpoint = <&top_funnel_in>; + }; + }; + }; + + in-ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + combo_funnel_in0: endpoint { + remote-endpoint = <&cluster0_etf_out>; + }; + }; + + port@1 { + reg = <1>; + combo_funnel_in1: endpoint { + remote-endpoint = <&cluster1_etf_out>; + }; + }; + }; + }; + funnel@20040000 { - compatible = "arm,coresight-funnel", "arm,primecell"; + compatible = "arm,coresight-dynamic-funnel", "arm,primecell"; reg = <0 0x20040000 0 0x1000>; clocks = <&oscclk6a>; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel