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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/perf
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/perf')
-rw-r--r--Documentation/devicetree/bindings/perf/apm-xgene-pmu.txt112
-rw-r--r--Documentation/devicetree/bindings/perf/arm,ccn.yaml40
-rw-r--r--Documentation/devicetree/bindings/perf/arm,cmn.yaml69
-rw-r--r--Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml47
-rw-r--r--Documentation/devicetree/bindings/perf/arm,smmu-v3-pmcg.yaml70
-rw-r--r--Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml52
-rw-r--r--Documentation/devicetree/bindings/perf/marvell-cn10k-ddr.yaml37
-rw-r--r--Documentation/devicetree/bindings/perf/marvell-cn10k-tad.yaml63
-rw-r--r--Documentation/devicetree/bindings/perf/spe-pmu.yaml40
9 files changed, 530 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/perf/apm-xgene-pmu.txt b/Documentation/devicetree/bindings/perf/apm-xgene-pmu.txt
new file mode 100644
index 000000000..afb11cf69
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/apm-xgene-pmu.txt
@@ -0,0 +1,112 @@
+* APM X-Gene SoC PMU bindings
+
+This is APM X-Gene SoC PMU (Performance Monitoring Unit) module.
+The following PMU devices are supported:
+
+ L3C - L3 cache controller
+ IOB - IO bridge
+ MCB - Memory controller bridge
+ MC - Memory controller
+
+The following section describes the SoC PMU DT node binding.
+
+Required properties:
+- compatible : Shall be "apm,xgene-pmu" for revision 1 or
+ "apm,xgene-pmu-v2" for revision 2.
+- regmap-csw : Regmap of the CPU switch fabric (CSW) resource.
+- regmap-mcba : Regmap of the MCB-A (memory bridge) resource.
+- regmap-mcbb : Regmap of the MCB-B (memory bridge) resource.
+- reg : First resource shall be the CPU bus PMU resource.
+- interrupts : Interrupt-specifier for PMU IRQ.
+
+Required properties for L3C subnode:
+- compatible : Shall be "apm,xgene-pmu-l3c".
+- reg : First resource shall be the L3C PMU resource.
+
+Required properties for IOB subnode:
+- compatible : Shall be "apm,xgene-pmu-iob".
+- reg : First resource shall be the IOB PMU resource.
+
+Required properties for MCB subnode:
+- compatible : Shall be "apm,xgene-pmu-mcb".
+- reg : First resource shall be the MCB PMU resource.
+- enable-bit-index : The bit indicates if the according MCB is enabled.
+
+Required properties for MC subnode:
+- compatible : Shall be "apm,xgene-pmu-mc".
+- reg : First resource shall be the MC PMU resource.
+- enable-bit-index : The bit indicates if the according MC is enabled.
+
+Example:
+ csw: csw@7e200000 {
+ compatible = "apm,xgene-csw", "syscon";
+ reg = <0x0 0x7e200000 0x0 0x1000>;
+ };
+
+ mcba: mcba@7e700000 {
+ compatible = "apm,xgene-mcb", "syscon";
+ reg = <0x0 0x7e700000 0x0 0x1000>;
+ };
+
+ mcbb: mcbb@7e720000 {
+ compatible = "apm,xgene-mcb", "syscon";
+ reg = <0x0 0x7e720000 0x0 0x1000>;
+ };
+
+ pmu: pmu@78810000 {
+ compatible = "apm,xgene-pmu-v2";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ regmap-csw = <&csw>;
+ regmap-mcba = <&mcba>;
+ regmap-mcbb = <&mcbb>;
+ reg = <0x0 0x78810000 0x0 0x1000>;
+ interrupts = <0x0 0x22 0x4>;
+
+ pmul3c@7e610000 {
+ compatible = "apm,xgene-pmu-l3c";
+ reg = <0x0 0x7e610000 0x0 0x1000>;
+ };
+
+ pmuiob@7e940000 {
+ compatible = "apm,xgene-pmu-iob";
+ reg = <0x0 0x7e940000 0x0 0x1000>;
+ };
+
+ pmucmcb@7e710000 {
+ compatible = "apm,xgene-pmu-mcb";
+ reg = <0x0 0x7e710000 0x0 0x1000>;
+ enable-bit-index = <0>;
+ };
+
+ pmucmcb@7e730000 {
+ compatible = "apm,xgene-pmu-mcb";
+ reg = <0x0 0x7e730000 0x0 0x1000>;
+ enable-bit-index = <1>;
+ };
+
+ pmucmc@7e810000 {
+ compatible = "apm,xgene-pmu-mc";
+ reg = <0x0 0x7e810000 0x0 0x1000>;
+ enable-bit-index = <0>;
+ };
+
+ pmucmc@7e850000 {
+ compatible = "apm,xgene-pmu-mc";
+ reg = <0x0 0x7e850000 0x0 0x1000>;
+ enable-bit-index = <1>;
+ };
+
+ pmucmc@7e890000 {
+ compatible = "apm,xgene-pmu-mc";
+ reg = <0x0 0x7e890000 0x0 0x1000>;
+ enable-bit-index = <2>;
+ };
+
+ pmucmc@7e8d0000 {
+ compatible = "apm,xgene-pmu-mc";
+ reg = <0x0 0x7e8d0000 0x0 0x1000>;
+ enable-bit-index = <3>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/perf/arm,ccn.yaml b/Documentation/devicetree/bindings/perf/arm,ccn.yaml
new file mode 100644
index 000000000..0b0bb2091
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/arm,ccn.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/arm,ccn.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM CCN (Cache Coherent Network) Performance Monitors
+
+maintainers:
+ - Robin Murphy <robin.murphy@arm.com>
+
+properties:
+ compatible:
+ enum:
+ - arm,ccn-502
+ - arm,ccn-504
+ - arm,ccn-508
+ - arm,ccn-512
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ ccn@20000000 {
+ compatible = "arm,ccn-504";
+ reg = <0x20000000 0x1000000>;
+ interrupts = <0 181 4>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/perf/arm,cmn.yaml b/Documentation/devicetree/bindings/perf/arm,cmn.yaml
new file mode 100644
index 000000000..2e51072e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/arm,cmn.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2020 Arm Ltd.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/arm,cmn.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm CMN (Coherent Mesh Network) Performance Monitors
+
+maintainers:
+ - Robin Murphy <robin.murphy@arm.com>
+
+properties:
+ compatible:
+ enum:
+ - arm,cmn-600
+ - arm,cmn-650
+ - arm,cmn-700
+ - arm,ci-700
+
+ reg:
+ items:
+ - description: Physical address of the base (PERIPHBASE) and
+ size of the configuration address space.
+
+ interrupts:
+ minItems: 1
+ items:
+ - description: Overflow interrupt for DTC0
+ - description: Overflow interrupt for DTC1
+ - description: Overflow interrupt for DTC2
+ - description: Overflow interrupt for DTC3
+ description: One interrupt for each DTC domain implemented must
+ be specified, in order. DTC0 is always present.
+
+ arm,root-node:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Offset from PERIPHBASE of CMN-600's configuration
+ discovery node (see TRM definition of ROOTNODEBASE). Not
+ relevant for newer CMN/CI products.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+if:
+ properties:
+ compatible:
+ contains:
+ const: arm,cmn-600
+then:
+ required:
+ - arm,root-node
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ pmu@50000000 {
+ compatible = "arm,cmn-600";
+ reg = <0x50000000 0x4000000>;
+ /* 4x2 mesh with one DTC, and CFG node at 0,1,1,0 */
+ interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+ arm,root-node = <0x104000>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml b/Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml
new file mode 100644
index 000000000..c87821be1
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/arm,dsu-pmu.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2021 Arm Ltd.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/arm,dsu-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM DynamIQ Shared Unit (DSU) Performance Monitor Unit (PMU)
+
+maintainers:
+ - Suzuki K Poulose <suzuki.poulose@arm.com>
+ - Robin Murphy <robin.murphy@arm.com>
+
+description:
+ ARM DynamIQ Shared Unit (DSU) integrates one or more CPU cores with a shared
+ L3 memory system, control logic and external interfaces to form a multicore
+ cluster. The PMU enables gathering various statistics on the operation of the
+ DSU. The PMU provides independent 32-bit counters that can count any of the
+ supported events, along with a 64-bit cycle counter. The PMU is accessed via
+ CPU system registers and has no MMIO component.
+
+properties:
+ compatible:
+ oneOf:
+ - const: arm,dsu-pmu
+ - items:
+ - const: arm,dsu-110-pmu
+ - const: arm,dsu-pmu
+
+ interrupts:
+ items:
+ - description: nCLUSTERPMUIRQ interrupt
+
+ cpus:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ minItems: 1
+ maxItems: 12
+ items:
+ maxItems: 1
+ description: List of phandles for the CPUs connected to this DSU instance.
+
+required:
+ - compatible
+ - interrupts
+ - cpus
+
+additionalProperties: false
diff --git a/Documentation/devicetree/bindings/perf/arm,smmu-v3-pmcg.yaml b/Documentation/devicetree/bindings/perf/arm,smmu-v3-pmcg.yaml
new file mode 100644
index 000000000..a4b53a6a1
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/arm,smmu-v3-pmcg.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/arm,smmu-v3-pmcg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm SMMUv3 Performance Monitor Counter Group
+
+maintainers:
+ - Will Deacon <will@kernel.org>
+ - Robin Murphy <robin.murphy@arm.com>
+
+description: |
+ An SMMUv3 may have several Performance Monitor Counter Group (PMCG).
+ They are standalone performance monitoring units that support both
+ architected and IMPLEMENTATION DEFINED event counters.
+
+properties:
+ $nodename:
+ pattern: "^pmu@[0-9a-f]*"
+ compatible:
+ oneOf:
+ - items:
+ - const: arm,mmu-600-pmcg
+ - const: arm,smmu-v3-pmcg
+ - const: arm,smmu-v3-pmcg
+
+ reg:
+ items:
+ - description: Register page 0
+ - description: Register page 1, if SMMU_PMCG_CFGR.RELOC_CTRS = 1
+ minItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ msi-parent: true
+
+required:
+ - compatible
+ - reg
+
+anyOf:
+ - required:
+ - interrupts
+ - required:
+ - msi-parent
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ pmu@2b420000 {
+ compatible = "arm,smmu-v3-pmcg";
+ reg = <0x2b420000 0x1000>,
+ <0x2b430000 0x1000>;
+ interrupts = <GIC_SPI 80 IRQ_TYPE_EDGE_RISING>;
+ msi-parent = <&its 0xff0000>;
+ };
+
+ pmu@2b440000 {
+ compatible = "arm,smmu-v3-pmcg";
+ reg = <0x2b440000 0x1000>,
+ <0x2b450000 0x1000>;
+ interrupts = <GIC_SPI 81 IRQ_TYPE_EDGE_RISING>;
+ msi-parent = <&its 0xff0000>;
+ };
diff --git a/Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml
new file mode 100644
index 000000000..80a923853
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/fsl-imx-ddr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale(NXP) IMX8 DDR performance monitor
+
+maintainers:
+ - Frank Li <frank.li@nxp.com>
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - fsl,imx8-ddr-pmu
+ - fsl,imx8m-ddr-pmu
+ - fsl,imx8mq-ddr-pmu
+ - fsl,imx8mm-ddr-pmu
+ - fsl,imx8mn-ddr-pmu
+ - fsl,imx8mp-ddr-pmu
+ - items:
+ - enum:
+ - fsl,imx8mm-ddr-pmu
+ - fsl,imx8mn-ddr-pmu
+ - fsl,imx8mq-ddr-pmu
+ - fsl,imx8mp-ddr-pmu
+ - const: fsl,imx8m-ddr-pmu
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ ddr-pmu@5c020000 {
+ compatible = "fsl,imx8-ddr-pmu";
+ reg = <0x5c020000 0x10000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+ };
diff --git a/Documentation/devicetree/bindings/perf/marvell-cn10k-ddr.yaml b/Documentation/devicetree/bindings/perf/marvell-cn10k-ddr.yaml
new file mode 100644
index 000000000..a18dd0a8c
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/marvell-cn10k-ddr.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/marvell-cn10k-ddr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell CN10K DDR performance monitor
+
+maintainers:
+ - Bharat Bhushan <bbhushan2@marvell.com>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - marvell,cn10k-ddr-pmu
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ pmu@87e1c0000000 {
+ compatible = "marvell,cn10k-ddr-pmu";
+ reg = <0x87e1 0xc0000000 0x0 0x10000>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/perf/marvell-cn10k-tad.yaml b/Documentation/devicetree/bindings/perf/marvell-cn10k-tad.yaml
new file mode 100644
index 000000000..362142252
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/marvell-cn10k-tad.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/marvell-cn10k-tad.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell CN10K LLC-TAD performance monitor
+
+maintainers:
+ - Bhaskara Budiredla <bbudiredla@marvell.com>
+
+description: |
+ The Tag-and-Data units (TADs) maintain coherence and contain CN10K
+ shared on-chip last level cache (LLC). The tad pmu measures the
+ performance of last-level cache. Each tad pmu supports up to eight
+ counters.
+
+ The DT setup comprises of number of tad blocks, the sizes of pmu
+ regions, tad blocks and overall base address of the HW.
+
+properties:
+ compatible:
+ const: marvell,cn10k-tad-pmu
+
+ reg:
+ maxItems: 1
+
+ marvell,tad-cnt:
+ description: specifies the number of tads on the soc
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+ marvell,tad-page-size:
+ description: specifies the size of each tad page
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+ marvell,tad-pmu-page-size:
+ description: specifies the size of page that the pmu uses
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+ - compatible
+ - reg
+ - marvell,tad-cnt
+ - marvell,tad-page-size
+ - marvell,tad-pmu-page-size
+
+additionalProperties: false
+
+examples:
+ - |
+
+ tad {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ tad_pmu@80000000 {
+ compatible = "marvell,cn10k-tad-pmu";
+ reg = <0x87e2 0x80000000 0x0 0x1000>;
+ marvell,tad-cnt = <1>;
+ marvell,tad-page-size = <0x1000>;
+ marvell,tad-pmu-page-size = <0x1000>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/perf/spe-pmu.yaml b/Documentation/devicetree/bindings/perf/spe-pmu.yaml
new file mode 100644
index 000000000..7d74152f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/spe-pmu.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/spe-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARMv8.2 Statistical Profiling Extension (SPE) Performance Monitor Units (PMU)
+
+maintainers:
+ - Will Deacon <will@kernel.org>
+
+description:
+ ARMv8.2 introduces the optional Statistical Profiling Extension for collecting
+ performance sample data using an in-memory trace buffer.
+
+properties:
+ compatible:
+ const: arm,statistical-profiling-extension-v1
+
+ interrupts:
+ maxItems: 1
+ description: |
+ The PPI to signal SPE events. For heterogeneous systems where SPE is only
+ supported on a subset of the CPUs, please consult the arm,gic-v3 binding
+ for details on describing a PPI partition.
+
+additionalProperties: false
+
+required:
+ - compatible
+ - interrupts
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ spe-pmu {
+ compatible = "arm,statistical-profiling-extension-v1";
+ interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
+ };