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[144.49.247.120]) by smtp-relay.gmail.com with ESMTPS id af79cd13be357-940efc55aa2sm152255685a.0.2026.10.27.10.51.30 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Oct 2026 10:51:30 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qt1-f197.google.com with SMTP id d75a77b69052e-53639e47be2so4084131cf.3 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=vger.kernel.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=KnNsRIn5rPXbYlRZ3D8CkIIIZ3cjZ2XNagJss9nCusmcYzYdSEeFZr4iGUEKO1j6Qa VYT0q6RqN4/Qi9WDHp8awscMrllkxaVsdLomH+XO7J7FpvuOB+m+Bit093azr9MDVum0 q0643wT0D3JWUDFN60poZNns3i8L0mQmhUMiQ= X-Received: by 2002:a05:622a:5b09:b0:536:539a:af8d with SMTP id d75a77b69052e-53fc5cbfb48mr1179841cf.0.1793123490186; 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-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e 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