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Wed, 01 Apr 2026 01:16:47 -0700 (PDT) Received: from DC5-EXCH05.marvell.com (10.69.176.209) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Wed, 1 Apr 2026 01:16:46 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server id 15.2.1544.25 via Frontend Transport; Wed, 1 Apr 2026 01:16:46 -0700 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id 4DCAC3F7044; Wed, 1 Apr 2026 01:16:44 -0700 (PDT) From: Geetha sowjanya To: , , , CC: , , Subject: [PATCH v3 1/2] dt-bindings: perf: marvell: Document CN20K DDR PMU Date: Wed, 1 Apr 2026 13:46:39 +0530 Message-ID: <20260401081640.23740-2-gakula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20260401081640.23740-1-gakula@marvell.com> References: <20260401081640.23740-1-gakula@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-GUID: NSWZXFzHnWHkT1eOeehZBm1UWiMr5F9S X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDA3MyBTYWx0ZWRfXyV8fprhHkdSU vdTNaCE1DTTETde9W+X20lamsRxDFkcvDclatm5SQ2B9p2ehXqwp6UZCY/3A+6A77ZqWSqg0EBj zYUPL0StOT1uDt4WHswYeFsXEcFa236ppflUTlEYJiE8uR0ewxhw+a5HD2HBmQ1CwnDqmGp45qx 6UWdYaADcYEeUYcqA/ZCmY2gKvd3if1VreaMS+8AvedSBU1vC+EDP8pejYEdTOZtrh+KNWjskX6 i8p5TOkpEr2oPiMAJvM83V+JoAHKx+OSzILSf6d++wZ0HaPQCwpddVOOjmvBX5BXUaUvhUe3wya b9H0yHQFrOpuaUkb1qGNZm/K/gM5Xsyew7q37ipxaYtWPqLAySZliPptbfa9hQVUZMRv67UdSob EcEWNAal+VybKE61nkcG5BBjzV69QgN9hBEsSK8D0GfBSE9KtnchVf6fqDLAVKzm/6z3Nqp6r44 MhlnA3IzvN7+avUVnIA== X-Proofpoint-ORIG-GUID: NSWZXFzHnWHkT1eOeehZBm1UWiMr5F9S X-Authority-Analysis: v=2.4 cv=EKMLElZC c=1 sm=1 tr=0 ts=69ccd46f cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=TtqV-g6YmW1Jfm2GSLaY:22 a=gEfo2CItAAAA:8 a=M5GUcnROAAAA:8 a=cxBr6QS3EhuSzrwsu80A:9 a=sptkURWiP4Gy88Gu7hUp:22 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_02,2026-04-01_01,2025-10-01_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260401_091702_337533_E8184CC8 X-CRM114-Status: GOOD ( 13.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a devicetree binding for the Marvell CN20K DDR performance monitor block, including the marvell,cn20k-ddr-pmu compatible string and the required MMIO reg region. Signed-off-by: Geetha sowjanya --- .../bindings/perf/marvell-cn20k-ddr.yaml | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/perf/marvell-cn20k-ddr.yaml diff --git a/Documentation/devicetree/bindings/perf/marvell-cn20k-ddr.yaml b/Documentation/devicetree/bindings/perf/marvell-cn20k-ddr.yaml new file mode 100644 index 000000000000..fa757017d66e --- /dev/null +++ b/Documentation/devicetree/bindings/perf/marvell-cn20k-ddr.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/perf/marvell-cn20k-ddr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell CN20K DDR performance monitor + +description: + Performance Monitoring Unit (PMU) for the DDR controller + in Marvell CN20K SoCs. + +maintainers: + - Geetha sowjanya + +properties: + compatible: + const: marvell,cn20k-ddr-pmu + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + ddr-pmu@c200000000 { + compatible = "marvell,cn20k-ddr-pmu"; + reg = <0xc200 0x00000000 0x0 0x100000>; + }; + }; -- 2.25.1