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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-01-26 12:11:11 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-01-26 12:11:11 +0100
commita8a6d9b4da001a84dd715d92f034d2bf777199c8 (patch)
tree32e3a214dc7d8e27a86d19d10f8db0523b1dd0fc /Documentation/devicetree
parentdbd91d4f55ac4917b0b7f48b02eb8539805d0c85 (diff)
parenteebe8dbd8630f51cf70b1f68a440cd3d7f7a914d (diff)
Merge tag 'coresight-next-v7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes: coresight: Updates for Linux v6.20/v7.0 This batch of CoreSight hwtracing updates contains : - Fine grained control of Timestamp generation in ETM4 trace, retaining backward compatibility - Feature updates for Qualcomm TPDA driver - Support Qualcomm Interconnect TNOC - Miscellaneous fixes to TMC-ETR driver Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> * tag 'coresight-next-v7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (27 commits) coresight: tmc: Decouple the perf buffer allocation from sysfs mode coresight: tmc-etr: Fix race condition between sysfs and perf mode coresight: tmc: Add missing doc including reading and etr_mode of struct tmc_drvdata coresight-tnoc: Add runtime PM support for Interconnect TNOC coresight-tnoc: add platform driver to support Interconnect TNOC dt-bindings: arm: qcom: Add Coresight Interconnect TNOC coresight: etm3x: Fix cpulocked warning on cpuhp coresight: tpda: Fix intendation for sysfs interface documentation coresight: tpda: add sysfs node to flush specific port coresight: tpda: add logic to configure TPDA_SYNCR register coresight: tpda: add global_flush_req sysfs node coresight: tpda: add sysfs nodes for tpda cross-trigger configuration coresight: docs: Document etm4x timestamp interval option coresight: Extend width of timestamp format attribute coresight: Prepare to allow setting the timestamp interval coresight: Remove misleading definitions coresight: Interpret ETMv4 config with ATTR_CFG_GET_FLD() coresight: Interpret perf config with ATTR_CFG_GET_FLD() coresight: Don't reject unrecognized ETMv3 format attributes coresight: Interpret ETMv3 config with ATTR_CFG_GET_FLD() ...
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml2
-rw-r--r--Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml2
-rw-r--r--Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml15
-rw-r--r--Documentation/devicetree/bindings/arm/qcom,coresight-itnoc.yaml90
-rw-r--r--Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml4
-rw-r--r--Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml2
-rw-r--r--Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml4
-rw-r--r--Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml4
8 files changed, 109 insertions, 14 deletions
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
index ed091dc0c10a..206681ccaa4c 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
@@ -31,7 +31,7 @@ maintainers:
- Mike Leach <mike.leach@linaro.org>
- Suzuki K Poulose <suzuki.poulose@arm.com>
- James Clark <james.clark@linaro.org>
- - Mao Jinlong <quic_jinlmao@quicinc.com>
+ - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
- Hao Zhang <quic_hazha@quicinc.com>
properties:
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
index 78337be42b55..0b1e12ae95c3 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
@@ -30,7 +30,7 @@ maintainers:
- Mike Leach <mike.leach@linaro.org>
- Suzuki K Poulose <suzuki.poulose@arm.com>
- James Clark <james.clark@linaro.org>
- - Mao Jinlong <quic_jinlmao@quicinc.com>
+ - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
- Hao Zhang <quic_hazha@quicinc.com>
properties:
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml
index c969c16c21ef..e002f87361ad 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml
@@ -7,9 +7,9 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: CoreSight TMC Control Unit
maintainers:
- - Yuanfang Zhang <quic_yuanfang@quicinc.com>
- - Mao Jinlong <quic_jinlmao@quicinc.com>
- - Jie Gan <quic_jiegan@quicinc.com>
+ - Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
+ - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
+ - Jie Gan <jie.gan@oss.qualcomm.com>
description: |
The Trace Memory Controller(TMC) is used for Embedded Trace Buffer(ETB),
@@ -26,8 +26,13 @@ description: |
properties:
compatible:
- enum:
- - qcom,sa8775p-ctcu
+ oneOf:
+ - items:
+ - enum:
+ - qcom,qcs8300-ctcu
+ - const: qcom,sa8775p-ctcu
+ - enum:
+ - qcom,sa8775p-ctcu
reg:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-itnoc.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-itnoc.yaml
new file mode 100644
index 000000000000..8936bb7c3e8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-itnoc.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/qcom,coresight-itnoc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Interconnect Trace Network On Chip - ITNOC
+
+maintainers:
+ - Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
+
+description:
+ The Interconnect TNOC is a CoreSight graph link that forwards trace data
+ from a subsystem to the Aggregator TNOC. Compared to Aggregator TNOC, it
+ does not have aggregation and ATID functionality.
+
+properties:
+ $nodename:
+ pattern: "^itnoc(@[0-9a-f]+)?$"
+
+ compatible:
+ const: qcom,coresight-itnoc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: apb
+
+ in-ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ patternProperties:
+ '^port(@[0-9a-f]{1,2})?$':
+ description: Input connections from CoreSight Trace Bus
+ $ref: /schemas/graph.yaml#/properties/port
+
+ out-ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+ additionalProperties: false
+
+ properties:
+ port:
+ description: out connections to aggregator TNOC
+ $ref: /schemas/graph.yaml#/properties/port
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - in-ports
+ - out-ports
+
+additionalProperties: false
+
+examples:
+ - |
+ itnoc@109ac000 {
+ compatible = "qcom,coresight-itnoc";
+ reg = <0x109ac000 0x1000>;
+
+ clocks = <&aoss_qmp>;
+ clock-names = "apb";
+
+ in-ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ tn_ic_in_tpdm_dcc: endpoint {
+ remote-endpoint = <&tpdm_dcc_out_tn_ic>;
+ };
+ };
+ };
+
+ out-ports {
+ port {
+ tn_ic_out_tnoc_aggr: endpoint {
+ /* to Aggregator TNOC input */
+ remote-endpoint = <&tn_ag_in_tn_ic>;
+ };
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
index ffe613efeabe..e3a32f30551c 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
@@ -7,8 +7,8 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Coresight Remote ETM(Embedded Trace Macrocell)
maintainers:
- - Jinlong Mao <quic_jinlmao@quicinc.com>
- - Tao Zhang <quic_taozha@quicinc.com>
+ - Jinlong Mao <jinlong.mao@oss.qualcomm.com>
+ - Tao Zhang <tao.zhang@oss.qualcomm.com>
description:
Support for ETM trace collection on remote processor using coresight
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml
index 9d1c93a9ade3..ef648a15b806 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Trace Network On Chip - TNOC
maintainers:
- - Yuanfang Zhang <quic_yuanfang@quicinc.com>
+ - Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
description: >
The Trace Network On Chip (TNOC) is an integration hierarchy hardware
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
index a48c9ac3eaa9..70d297b054c3 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
@@ -33,8 +33,8 @@ description: |
to sink.
maintainers:
- - Mao Jinlong <quic_jinlmao@quicinc.com>
- - Tao Zhang <quic_taozha@quicinc.com>
+ - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
+ - Tao Zhang <tao.zhang@oss.qualcomm.com>
# Need a custom select here or 'arm,primecell' will match on lots of nodes
select:
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index c349306f0d52..152403f548c3 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -19,8 +19,8 @@ description: |
sources and send it to a TPDA for packetization, timestamping, and funneling.
maintainers:
- - Mao Jinlong <quic_jinlmao@quicinc.com>
- - Tao Zhang <quic_taozha@quicinc.com>
+ - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
+ - Tao Zhang <tao.zhang@oss.qualcomm.com>
# Need a custom select here or 'arm,primecell' will match on lots of nodes
select: