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Wed, 20 May 2020 02:59:21 +0000 From: Joakim Zhang To: john.garry@huawei.com, will@kernel.org, mark.rutland@arm.com, robh+dt@kernel.org, shawnguo@kernel.org Cc: linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 0/3] perf/imx_ddr: Add system PMU support Date: Wed, 20 May 2020 10:56:16 +0800 Message-Id: <20200520025619.687-1-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 X-ClientProxiedBy: SG2PR01CA0142.apcprd01.prod.exchangelabs.com (2603:1096:4:8f::22) To DB8PR04MB6795.eurprd04.prod.outlook.com (2603:10a6:10:fa::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR01CA0142.apcprd01.prod.exchangelabs.com (2603:1096:4:8f::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3021.23 via Frontend Transport; Wed, 20 May 2020 02:59:17 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: ebcbe17e-44f1-44e1-14e5-08d7fc69cb4d X-MS-TrafficTypeDiagnostic: DB8PR04MB6634: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 64CSBvKyDyJPydAO8Wd/3ufLi1aQ3bwxZ6hf3Kkn8bgCGYi9OcmU88fqr3VAcLl6Is9lPzDAkeyndSRbiU4YDl2v41pCHScyhoFngVydExn+L8KGoAHwCAmp2bHPMrplLM0NhUJCzUitfcc5wNvoS8/3jyp/tBKgNodlycOOam/iUuVk8ulVUDL3Jy+Vv0UuSNvF8RKw2VdtbA1REjg93oQsqv0yZdgUupGK753vAyd9CiZRaeKL+PX4SF4Ebx+nY0n9LKBMm4jwqAvpStkc26Yr4MwiZAUtAkBPizzO0nvhep+9vSQWu1VZxupof/eg8GtW671xaHP2XNuxuAz+l4y/fd522BLHv65mFrOBTCZQ0NI9bMNKPzehO1bnJZfj8Malbh8PskTpx4JOsy7xrdUxz8RLyWjetJPKU16chD08gIPF4NmGDbuX480ZnnbQUtLwr/bQEmQOK4xBtqINLq7urMQ/1PAI9DinMEcK5r8= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ebcbe17e-44f1-44e1-14e5-08d7fc69cb4d X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 May 2020 02:59:21.1922 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Tset2zCvP0/t1qqxFEq/673W/78HyOgzh3KyQ1zwFKZqnzDiUYjlS0POH6D2l6wPXpv9ThP2UCv4zgwJMwoDHA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB6634 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The patch set adds system PMU support for i.MX8 DDR Perf. The sysfs location for userspace to get the PMU identifier under the directory: /sys/bus/event_source/devices//identifier ChangeLogs: V1 -> V2: *add property in dt instead of changing compatible string. Joakim Zhang (3): bindings: perf: imx8_ddr: add identifier property perf/imx_ddr: Add system PMU identifier for userspace arm64: dts: imx8/8mm/8mn/8mq: add identifier for DDR perf .../devicetree/bindings/perf/fsl-imx-ddr.txt | 3 ++ arch/arm64/boot/dts/freescale/imx8mm.dtsi | 1 + arch/arm64/boot/dts/freescale/imx8mn.dtsi | 1 + arch/arm64/boot/dts/freescale/imx8mq.dtsi | 1 + arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 1 + drivers/perf/fsl_imx8_ddr_perf.c | 29 +++++++++++++++++++ 6 files changed, 36 insertions(+)