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Message-ID: <20250226121926.2687497-2-quic_jinlmao@quicinc.com>
Date: Wed, 26 Feb 2025 04:19:25 -0800
From: Mao Jinlong <quic_jinlmao@...cinc.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach
<mike.leach@...aro.org>, James Clark <james.clark@....com>,
Rob Herring
<robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley
<conor+dt@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
"Bjorn
Andersson" <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>
CC: Mao Jinlong <quic_jinlmao@...cinc.com>, <coresight@...ts.linaro.org>,
<linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
"Krzysztof
Kozlowski" <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v7 1/2] dt-bindings: arm: Add label in the coresight components
Current name of coresight component's folder consists of prefix of
the device and the id in the device list. When run 'ls' command,
we can get the register address of the device. Take CTI for example,
if we want to set the config for modem CTI, but we can't know which
CTI is modem CTI from all current information.
cti_sys0 -> ../../../devices/platform/soc@...38f0000.cti/cti_sys0
cti_sys1 -> ../../../devices/platform/soc@...3900000.cti/cti_sys1
Add label to show hardware context information of each coresight
device. There will be a sysfs node label in each device folder.
cat /sys/bus/coresight/devices/cti_sys0/label
Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Mike Leach <mike.leach@...aro.org>
---
.../devicetree/bindings/arm/arm,coresight-cti.yaml | 6 ++++++
.../devicetree/bindings/arm/arm,coresight-dummy-sink.yaml | 6 ++++++
.../devicetree/bindings/arm/arm,coresight-dummy-source.yaml | 6 ++++++
.../bindings/arm/arm,coresight-dynamic-funnel.yaml | 6 ++++++
.../bindings/arm/arm,coresight-dynamic-replicator.yaml | 6 ++++++
.../bindings/arm/arm,coresight-static-funnel.yaml | 6 ++++++
.../bindings/arm/arm,coresight-static-replicator.yaml | 6 ++++++
.../devicetree/bindings/arm/arm,coresight-tmc.yaml | 6 ++++++
.../devicetree/bindings/arm/qcom,coresight-tpda.yaml | 6 ++++++
.../devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 6 ++++++
10 files changed, 60 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
index 2d5545a2b49c..5ca6d3d313a3 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
@@ -98,6 +98,12 @@ properties:
power-domains:
maxItems: 1
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
arm,cti-ctm-id:
$ref: /schemas/types.yaml#/definitions/uint32
description:
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
index 08b89b62c505..bc82cd1f3595 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
@@ -39,6 +39,12 @@ properties:
enum:
- arm,coresight-dummy-sink
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
in-ports:
$ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
index 742dc4e25d3b..3010055d5ad6 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
@@ -38,6 +38,12 @@ properties:
enum:
- arm,coresight-dummy-source
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
arm,static-trace-id:
description: If dummy source needs static id support, use this to set trace id.
$ref: /schemas/types.yaml#/definitions/uint32
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
index 44a1041cb0fc..30776610d4b4 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
@@ -57,6 +57,12 @@ properties:
power-domains:
maxItems: 1
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
in-ports:
$ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
index 03792e9bd97a..178a3861ee29 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
@@ -54,6 +54,12 @@ properties:
- const: apb_pclk
- const: atclk
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
power-domains:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml
index cc8c3baa79b4..39b291909cc4 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml
@@ -30,6 +30,12 @@ properties:
power-domains:
maxItems: 1
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
in-ports:
$ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
index a6f793ea03b6..022a1097af3c 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
@@ -30,6 +30,12 @@ properties:
power-domains:
maxItems: 1
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
in-ports:
$ref: /schemas/graph.yaml#/properties/ports
additionalProperties: false
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
index 4787d7c6bac2..6a37ebaf474b 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
@@ -55,6 +55,12 @@ properties:
- const: apb_pclk
- const: atclk
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
iommus:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
index 76163abed655..986b9b4f360d 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
@@ -65,6 +65,12 @@ properties:
items:
- const: apb_pclk
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
in-ports:
description: |
Input connections from TPDM to TPDA
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index 8eec07d9d454..59e533720bdd 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -77,6 +77,12 @@ properties:
minimum: 0
maximum: 32
+ label:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Define the label which can describe what kind of HW or system the
+ coresight device belongs to.
+
clocks:
maxItems: 1
--
2.25.1
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