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[144.49.247.13]) by smtp-relay.gmail.com with ESMTPS id 98e67ed59e1d1-3ae4085e7ebsm2420536a91.7.2026.10.27.10.51.30 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Oct 2026 10:51:31 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-537548b8342so4396001cf.2 for ; Tue, 27 Oct 2026 10:51:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1793123490; x=1793728290; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=ynPryf8FPydp/yEEGiFFJxiHciJ+nwSgBGs4pEky5R0=; b=Vm2eet2H7Sann6bZ8q+xfY0RfnREb/NpC0iFTfTxhJ9cfxpSTG3rGtfOvTgLf5gtwK JZ0FWV42Z4GJf8XRIhA5fXWrY0HaBIq9qqVOMA0Xz0XhaM3TgYRacachadr81ngnwo+F Ga8bSZeLzpQcpQJkaTEyB/JhTrulJhNlqjPQI= X-Forwarded-Encrypted: i=1; AKwUvByriIBRGL+aFPYTeuR4y9SKXlgkn2fMCZvpQ00A5DevXE3mgdeXGvGOvFW0EknDvWHU2NEv7hmAXGaXGmKUPGcn@lists.infradead.org X-Received: by 2002:a05:622a:5b09:b0:536:539a:af8d with SMTP id d75a77b69052e-53fc5cbfb48mr1179751cf.0.1793123490135; Tue, 27 Oct 2026 10:51:30 -0700 (PDT) X-Received: by 2002:a05:622a:5b09:b0:536:539a:af8d with SMTP id d75a77b69052e-53fc5cbfb48mr1179381cf.0.1793123489573; Tue, 27 Oct 2026 10:51:29 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-5383970ab61sm83164511cf.17.2026.10.27.10.51.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2026 10:51:28 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Hauke Mehrtens , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Broadcom internal kernel review list , Jonathan Corbet , Shuah Khan , Randy Dunlap , Will Deacon , Mark Rutland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Besar Wicaksono , Ilkka Koskinen , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM5301X ARM ARCHITECTURE), linux-doc@vger.kernel.org (open list:DOCUMENTATION), linux-perf-users@vger.kernel.org (open list:ARM PMU PROFILING AND DEBUGGING), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) Subject: [PATCH v2 0/3] Support for BCM5301X AXI trace PMUs Date: Tue, 27 Oct 2026 10:51:21 -0700 Message-ID: <20261027175124.3518239-1-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.53.0 X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261027_105132_596885_A3F0E8AF X-CRM114-Status: GOOD ( 13.56 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 This patch series adds support for the BCM5301x PMUs which are AXI trace engines present in the chip. Changes in v2: - addressed Sashiko's review by adding the appropriate title length and group validation Florian Fainelli (3): dt-bindings: perf: Describe the Broadcom BCM5301X AXI PMU perf: Add Broadcom BCM5301X AXI Trace Module counters ARM: dts: BCM5301X: Enable AXI PMUs .../admin-guide/perf/bcm5301x-axi-pmu.rst | 92 ++++ Documentation/admin-guide/perf/index.rst | 1 + .../bindings/perf/brcm,bcm5301x-axi-pmu.yaml | 43 ++ MAINTAINERS | 3 + arch/arm/boot/dts/broadcom/bcm5301x.dtsi | 15 + drivers/perf/Kconfig | 12 + drivers/perf/Makefile | 1 + drivers/perf/bcm5301x_axi_pmu.c | 452 ++++++++++++++++++ 8 files changed, 619 insertions(+) create mode 100644 Documentation/admin-guide/perf/bcm5301x-axi-pmu.rst create mode 100644 Documentation/devicetree/bindings/perf/brcm,bcm5301x-axi-pmu.yaml create mode 100644 drivers/perf/bcm5301x_axi_pmu.c -- 2.53.0