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Thu, 26 Mar 2026 02:06:50 -0700 (PDT) Received: from DC6WP-EXCH02.marvell.com (10.76.176.209) 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; Thu, 26 Mar 2026 02:06:50 -0700 Received: from DC6WP-EXCH02.marvell.com (10.76.176.209) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Thu, 26 Mar 2026 02:06:49 -0700 Received: from maili.marvell.com (10.69.176.80) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server id 15.2.1544.25 via Frontend Transport; Thu, 26 Mar 2026 02:06:49 -0700 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id B59B83F7041; Thu, 26 Mar 2026 02:06:46 -0700 (PDT) From: Geetha sowjanya To: , , , CC: , , Subject: [PATCH 0/2] perf: marvell: Add CN20K DDR PMU support Date: Thu, 26 Mar 2026 14:36:43 +0530 Message-ID: <20260326090645.22590-1-gakula@marvell.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-ORIG-GUID: KM9C4xyof_5VDro3pQW8DXD2lNqT1UsM X-Authority-Analysis: v=2.4 cv=ULDQ3Sfy c=1 sm=1 tr=0 ts=69c4f72a cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=TtqV-g6YmW1Jfm2GSLaY:22 a=M5GUcnROAAAA:8 a=wzYssofzYklCjT3gtv0A:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-GUID: KM9C4xyof_5VDro3pQW8DXD2lNqT1UsM X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI2MDA2NiBTYWx0ZWRfXyTZL5gZL96ok rFze5NN/Q0uJwEXkwPrHwaTdd5fNhGC1TgzGJDBbkCgMfAYJZRDMbslT+INeo10f+k0XV3/zI9+ IQpsfumwHxenECNNRzMIutAafIVIkq81SjeDVtAuS++2tcxJpebyV4jUy1WawfB0aEw+qKBhW9H xUXCkQ/Jzalw8cAYWyPLSWybCL72u9Hh2KXBQrGj4i5/vwveYscfLPImY1LVEQC+tsKlEjLRKSW Gae+uCl7IyLroTDK2CTAJ2llFBpJ37qNu89enJY629qtICYWl5BnorMlgaDx/GZdexH7xWKNXeD enySR5ukK6fVAg1apB8YvKJV75WWzTlMDVpFt8X2isRz1jEhWLdStDVhdvPAdw7Z+OZxXT8iqCb AaJZsZJYCxWpOIjNsiFlTdLJeikAAsSVlDHP7j4rtMXzt8KABlyLIO5Ko4/dmpnoZDbXO7P8AdK dejZbstlI+FiTxfdOKQ== 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=2026-03-26_02,2026-03-24_01,2025-10-01_01 This series adds support for the Marvell CN20K DRAM Subsystem (DSS) performance monitor in the existing marvell_cn10k_ddr_pmu driver, and documents the device tree binding for the new compatible string. The CN20K PMU provides eight programmable counters and two fixed counters (DDR reads and writes). Patch 1 adds the devicetree schema for "marvell,cn20k-ddr-pmu". Patch 2 wires OF and ACPI (MRVL000B) match entries, adds CN20K register offsets and event maps, and refactors platform data to use silicon variant flags. Signed-off-by: Geetha sowjanya Geetha sowjanya (2): dt-bindings: perf: marvell: Document CN20K DDR PMU perf: marvell: Add CN20K DDR PMU support .../bindings/perf/marvell-cn20k-ddr.yaml | 37 ++++ drivers/perf/marvell_cn10k_ddr_pmu.c | 186 ++++++++++++++++-- 2 files changed, 207 insertions(+), 16 deletions(-) create mode 100644 Documentation/devicetree/bindings/perf/marvell-cn20k-ddr.yaml -- 2.25.1