From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6C462EE29E; Tue, 22 Jul 2025 14:07:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.132.182.106 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753193246; cv=none; b=UJ6YJmrzFniy1wHd1+/2VInOFB+jqdTcOnbf0kxdZpPO3Zopu1dqbHv3LthtTNrZIvZw+QKTGBulf+fZNw50J6n4mHf85uYLpVmyMmm8UiMd2EMaCnoI+PO0Hf8f/wZzFsyvGcRoy17ASuTxFB6u1YtcdO1UYOimba9wdneX3MA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753193246; c=relaxed/simple; bh=jDxrKSVKGmymiWgFfc3XLLghQxyNU894E3heEmmTqGc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=AuDIY3XsAd8L4XIYmReDO3j9lDooJXs+3zQ31Swo94rrpQ1tcl2aqLKDvBklGWYSkssyb2Fmocw0bKm2iGw1fsNaaS/5Uv4ggXZrEZhqtq2SjXg/6TwoHlj2j6V4Q9lN0H1QoqQsFIjJH+UzEavv+rdut6fiaNs1REn2QGgkv48= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=fcBJUxVx; arc=none smtp.client-ip=185.132.182.106 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="fcBJUxVx" Received: from pps.filterd (m0369458.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 56MDo8oj000727; Tue, 22 Jul 2025 16:07:07 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=selector1; bh= SuBSodyyqcKAz1sJaFnr1XdxWrUs+npg1uqS49q9/0Y=; b=fcBJUxVxQE2tGUGc AsqWViQ3smOI/4YG9ZMOx4yyINdmE+pEEvDdFclPQ59pYHkZczt3/6uuwhxKbc6S IY++yRO0g3LEvQYbqZDDx/Dv/ErEtuxGaXkH6Q0tE/uZuhGMy0NDGSo1Kaaei/HO KE3i9+rD6gU8Gyuu0Wht3SykOxqma6yhyzyCA/QbSnH3ZCh7X9H105PzvV+4ycQu +Ffz6sKBkxi1kODybJ0V4pCw2OE7rtmg+BWsni3wAOrqdjaCCRt2zvCZHJpdRonG VE7w/SHQrK5m/vZZ7MBSxdnGhJF0Lx+LOHcmY17qWf7bdsBJ600QQ8sAKwtFWdx5 0aUO1Q== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 480mx4kjdu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 22 Jul 2025 16:07:07 +0200 (MEST) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 26DDA40060; Tue, 22 Jul 2025 16:05:24 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 326967A3206; Tue, 22 Jul 2025 16:04:02 +0200 (CEST) Received: from localhost (10.48.86.185) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 22 Jul 2025 16:04:01 +0200 From: =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= Date: Tue, 22 Jul 2025 16:03:34 +0200 Subject: [PATCH v3 17/19] arm64: dts: st: add ddrperfm on stm32mp251 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; charset="utf-8" Content-Transfer-Encoding: 8bit Message-ID: <20250722-ddrperfm-upstream-v3-17-7b7a4f3dc8a0@foss.st.com> References: <20250722-ddrperfm-upstream-v3-0-7b7a4f3dc8a0@foss.st.com> In-Reply-To: <20250722-ddrperfm-upstream-v3-0-7b7a4f3dc8a0@foss.st.com> To: Will Deacon , Mark Rutland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Philipp Zabel , Jonathan Corbet , Gatien Chevallier , Michael Turquette , Stephen Boyd , Gabriel Fernandez , Krzysztof Kozlowski , Le Goffic , Julius Werner CC: , , , , , , , =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= X-Mailer: b4 0.15-dev-8018a X-ClientProxiedBy: SHFCAS1NODE2.st.com (10.75.129.73) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-22_02,2025-07-21_02,2025-03-28_01 The DDRPERFM is the DDR Performance Monitor embedded in STM32MP251 SoC. Keep the node disabled at SoC level as it requires the property `st,dram-type` which is provided in board dtsi file. Signed-off-by: Clément Le Goffic --- arch/arm64/boot/dts/st/stm32mp251.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi index 0683c2d5cb6f..7f138324610a 100644 --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi @@ -1577,5 +1577,12 @@ exti2: interrupt-controller@46230000 { <0>, <&intc GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>; /* EXTI_70 */ }; + + ddrperfm: perf@48041000 { + compatible = "st,stm32mp251-ddr-pmu"; + reg = <0x48041000 0x400>; + access-controllers = <&rcc 104>; + status = "disabled"; + }; }; }; -- 2.43.0