From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org
Cc: mathieu.poirier@linaro.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
suzuki.poulose@arm.com, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, Linu Cherian <lcherian@marvell.com>,
mike.leach@linaro.org
Subject: [PATCH V2 11/11] dts: bindings: Document device tree bindings for Arm TRBE
Date: Wed, 13 Jan 2021 09:48:18 +0530 [thread overview]
Message-ID: <1610511498-4058-12-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1610511498-4058-1-git-send-email-anshuman.khandual@arm.com>
From: Suzuki K Poulose <suzuki.poulose@arm.com>
Document the device tree bindings for Trace Buffer Extension (TRBE).
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
Documentation/devicetree/bindings/arm/trbe.yaml | 46 +++++++++++++++++++++++++
1 file changed, 46 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/trbe.yaml
diff --git a/Documentation/devicetree/bindings/arm/trbe.yaml b/Documentation/devicetree/bindings/arm/trbe.yaml
new file mode 100644
index 0000000..2258595
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/trbe.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+# Copyright 2021, Arm Ltd
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/trbe.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: ARM Trace Buffer Extensions
+
+maintainers:
+ - Anshuman Khandual <anshuman.khandual@arm.com>
+
+description: |
+ Description of TRBE hw
+
+properties:
+ $nodename:
+ pattern: "trbe"
+ compatible:
+ items:
+ - const: arm,trace-buffer-extension
+
+ interrupts:
+ description: |
+ Exactly 1 PPI must be listed. For heterogeneous systems where
+ TRBE is only supported on a subset of the CPUs, please consult
+ the arm,gic-v3 binding for details on describing a PPI partition.
+ maxItems: 1
+
+required:
+ - compatible
+ - interrupts
+
+additionalProperties: false
+
+
+examples:
+
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ trbe {
+ compatible = "arm,trace-buffer-extension";
+ interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...
--
2.7.4
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next prev parent reply other threads:[~2021-01-13 4:22 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-13 4:18 [PATCH V2 00/11] arm64: coresight: Enable ETE and TRBE Anshuman Khandual
2021-01-13 4:18 ` [PATCH V2 01/11] coresight: etm-perf: Allow an event to use different sinks Anshuman Khandual
2021-01-13 4:18 ` [PATCH V2 02/11] coresight: Do not scan for graph if none is present Anshuman Khandual
2021-01-13 4:18 ` [PATCH V2 03/11] coresight: etm4x: Add support for PE OS lock Anshuman Khandual
2021-01-13 4:18 ` [PATCH V2 04/11] coresight: ete: Add support for ETE sysreg access Anshuman Khandual
2021-01-13 4:18 ` [PATCH V2 05/11] coresight: ete: Add support for ETE tracing Anshuman Khandual
2021-01-13 4:18 ` [PATCH V2 06/11] dts: bindings: Document device tree bindings for ETE Anshuman Khandual
2021-01-25 19:22 ` Rob Herring
2021-01-25 22:20 ` Suzuki K Poulose
2021-01-25 23:28 ` Suzuki K Poulose
2021-01-13 4:18 ` [PATCH V2 07/11] arm64: Add TRBE definitions Anshuman Khandual
2021-01-13 9:21 ` Suzuki K Poulose
2021-01-15 1:52 ` Anshuman Khandual
2021-02-22 13:55 ` Catalin Marinas
2021-02-22 13:59 ` Catalin Marinas
2021-01-13 4:18 ` [PATCH V2 08/11] coresight: core: Add support for dedicated percpu sinks Anshuman Khandual
2021-01-13 9:43 ` Suzuki K Poulose
2021-01-15 2:36 ` Anshuman Khandual
2021-01-15 12:31 ` Suzuki K Poulose
2021-01-13 4:18 ` [PATCH V2 09/11] coresight: etm-perf: Truncate the perf record if handle has no space Anshuman Khandual
2021-01-13 9:48 ` Suzuki K Poulose
2021-01-13 4:18 ` [PATCH V2 10/11] coresight: sink: Add TRBE driver Anshuman Khandual
2021-01-13 15:28 ` Suzuki K Poulose
2021-01-15 5:29 ` Anshuman Khandual
2021-01-15 12:43 ` Suzuki K Poulose
2021-01-17 12:10 ` Anshuman Khandual
2021-01-13 4:18 ` Anshuman Khandual [this message]
2021-01-13 15:45 ` [PATCH V2 11/11] dts: bindings: Document device tree bindings for Arm TRBE Rob Herring
2021-01-14 10:17 ` Suzuki K Poulose
2021-01-14 14:07 ` Rob Herring
2021-01-14 14:47 ` Suzuki K Poulose
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