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Mon, 29 Jan 2024 09:52:26 +0000 From: Ji Sheng Teoh To: Jonathan Corbet , Will Deacon , Mark Rutland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dan Williams , Ilkka Koskinen , Jonathan Cameron , Dave Jiang Cc: Ji Sheng Teoh , Ley Foon Tan , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Conor Dooley Subject: [PATCH v6 2/4] dt-bindings: perf: starfive: Add JH8100 StarLink PMU Date: Mon, 29 Jan 2024 17:51:39 +0800 Message-ID: <20240129095141.3262366-3-jisheng.teoh@starfivetech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240129095141.3262366-1-jisheng.teoh@starfivetech.com> References: <20240129095141.3262366-1-jisheng.teoh@starfivetech.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SH0PR01CA0003.CHNPR01.prod.partner.outlook.cn (2406:e500:c311:5::15) To ZQ0PR01MB1160.CHNPR01.prod.partner.outlook.cn (2406:e500:c550:19::6) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: ZQ0PR01MB1160:EE_|ZQ0PR01MB1096:EE_ X-MS-Office365-Filtering-Correlation-Id: ce923316-b59f-4012-b441-08dc20b00009 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" Add device tree binding for StarFive's JH8100 StarLink PMU (Performance Monitor Unit). Signed-off-by: Ji Sheng Teoh Reviewed-by: Conor Dooley --- .../perf/starfive,jh8100-starlink-pmu.yaml | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/perf/starfive,jh8100-= starlink-pmu.yaml diff --git a/Documentation/devicetree/bindings/perf/starfive,jh8100-starlin= k-pmu.yaml b/Documentation/devicetree/bindings/perf/starfive,jh8100-starlin= k-pmu.yaml new file mode 100644 index 000000000000..915c6b814026 --- /dev/null +++ b/Documentation/devicetree/bindings/perf/starfive,jh8100-starlink-pmu.y= aml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/perf/starfive,jh8100-starlink-pmu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH8100 StarLink PMU + +maintainers: + - Ji Sheng Teoh + +description: + StarFive's JH8100 StarLink PMU integrates one or more CPU cores with a + shared L3 memory system. The PMU support overflow interrupt, up to + 16 programmable 64bit event counters, and an independent 64bit cycle + counter. StarFive's JH8100 StarLink PMU is accessed via MMIO. + +properties: + compatible: + const: starfive,jh8100-starlink-pmu + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + soc { + #address-cells =3D <2>; + #size-cells =3D <2>; + + pmu@12900000 { + compatible =3D "starfive,jh8100-starlink-pmu"; + reg =3D <0x0 0x12900000 0x0 0x10000>; + interrupts =3D <34>; + }; + }; --=20 2.43.0