From: Leo Yan <leo.yan@linaro.org> To: Mathieu Poirier <mathieu.poirier@linaro.org>, Suzuki K Poulose <suzuki.poulose@arm.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, Wanglai Shi <shiwanglai@hisilicon.com> Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v3 1/2] dt-bindings: arm: coresight: Support static funnel Date: Thu, 28 Mar 2019 10:35:08 +0800 [thread overview] Message-ID: <20190328023509.22242-2-leo.yan@linaro.org> (raw) In-Reply-To: <20190328023509.22242-1-leo.yan@linaro.org> Document DT binding for static (non-configurable) funnel and give an example for it. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Wanglai Shi <shiwanglai@hisilicon.com> Signed-off-by: Leo Yan <leo.yan@linaro.org> --- .../devicetree/bindings/arm/coresight.txt | 45 +++++++++++++++++-- 1 file changed, 42 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index f8aff65ab921..42935c6ca9d6 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: @@ -24,7 +25,7 @@ its hardware characteristcs. discovered at boot time when the device is probed. "arm,coresight-tmc", "arm,primecell"; - - Trace Funnel: + - Trace Programmable Funnel: "arm,coresight-funnel", "arm,primecell"; - Embedded Trace Macrocell (version 3.x) and @@ -65,11 +66,12 @@ 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): - "arm,coresight-replicator" + - "arm,coresight-static-funnel" * port or ports: see "Graph bindings for Coresight" below. @@ -200,6 +202,43 @@ 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"; reg = <0 0x20040000 0 0x1000>; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org> To: Mathieu Poirier <mathieu.poirier@linaro.org>, Suzuki K Poulose <suzuki.poulose@arm.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, Wanglai Shi <shiwanglai@hisilicon.com> Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v3 1/2] dt-bindings: arm: coresight: Support static funnel Date: Thu, 28 Mar 2019 10:35:08 +0800 [thread overview] Message-ID: <20190328023509.22242-2-leo.yan@linaro.org> (raw) In-Reply-To: <20190328023509.22242-1-leo.yan@linaro.org> Document DT binding for static (non-configurable) funnel and give an example for it. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Wanglai Shi <shiwanglai@hisilicon.com> Signed-off-by: Leo Yan <leo.yan@linaro.org> --- .../devicetree/bindings/arm/coresight.txt | 45 +++++++++++++++++-- 1 file changed, 42 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index f8aff65ab921..42935c6ca9d6 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: @@ -24,7 +25,7 @@ its hardware characteristcs. discovered at boot time when the device is probed. "arm,coresight-tmc", "arm,primecell"; - - Trace Funnel: + - Trace Programmable Funnel: "arm,coresight-funnel", "arm,primecell"; - Embedded Trace Macrocell (version 3.x) and @@ -65,11 +66,12 @@ 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): - "arm,coresight-replicator" + - "arm,coresight-static-funnel" * port or ports: see "Graph bindings for Coresight" below. @@ -200,6 +202,43 @@ 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"; reg = <0 0x20040000 0 0x1000>; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-03-28 2:36 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-03-28 2:35 [PATCH v3 0/2] CoreSight: Support static funnel Leo Yan 2019-03-28 2:35 ` Leo Yan 2019-03-28 2:35 ` Leo Yan [this message] 2019-03-28 2:35 ` [PATCH v3 1/2] dt-bindings: arm: coresight: " Leo Yan 2019-03-28 19:06 ` Rob Herring 2019-03-28 19:06 ` Rob Herring 2019-03-28 19:06 ` Rob Herring 2019-03-28 19:24 ` Suzuki K Poulose 2019-03-28 19:24 ` Suzuki K Poulose 2019-03-29 0:21 ` Leo Yan 2019-03-29 0:21 ` Leo Yan 2019-03-28 2:35 ` [PATCH v3 2/2] coresight: funnel: " Leo Yan 2019-03-28 2:35 ` Leo Yan 2019-03-28 19:26 ` Suzuki K Poulose 2019-03-28 19:26 ` Suzuki K Poulose
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