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Mon, 4 Apr 2022 05:17:24 -0700 From: Sumit Gupta To: , , , , , , , , , CC: , , , Subject: [Patch v3 1/4] dt-bindings: Document Tegra CCPLEX Cluster Date: Mon, 4 Apr 2022 17:47:10 +0530 Message-ID: <20220404121713.22461-2-sumitg@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220404121713.22461-1-sumitg@nvidia.com> References: <20220404121713.22461-1-sumitg@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: bfcae15a-a4c8-438e-33d3-08da163516db X-MS-TrafficTypeDiagnostic: DM6PR12MB4298:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: dBsEjE0Vnk5CjIZOyZhbmlt2dI04v3gqKmcHd4R3Wk6iZx9U3eSOWsFTfBn2lHWUa2z1fK7sXz20UcqZCxkIHdEbMgpCLTQ9NvX6huW7naLJ+PhFP226sogY+4SaLG+GTnTTz1TOiLIR2OajT0WE6ut/8XRh/1VqBe1l9xJxSvnYGxf9J/Au233uzLuGRIE0vfG3Ut1XZDJ/v63R+r4LmZtgRU1pxdV4cd8iJci2M7Lhf6j47Z+ccFXwIaO2MjT81qLkcIbgNIwljEiw3evOXABAZV9li4yrKTkGorOYj9NyC6NZXjqmxnlEX9iOKLq7u/3W9cIX2loAEIak38Yea3ohta0Z9wu3Afefk9zPaA8o0tuMkwxEXePDN1u9lIpwWPsygER3ZraqBnjhiA/C6nkEYN/xKF7afrq2wCM2krzEL1KdN5dE6/Yt6ojQCX7FnS30oFQDMj49MpSavjFbc8JcVRK3n7JPF8zikFHftVGbZ77cj1Zls3sh59kjRxskBRWtPpNkhBRdmHuziWeefwextkojTRLdXQ+D8fzYkXZZm39jJe581Cg/A38YdtdakHINPSFvY5SXimLEhKpvUYU4OREHxro57VTcdKrMd5udxXN/NU9E0N5pMBHZy8nwU+hZ2mBRMoSHTI0l9drA1TtPpKlHMrW4WXh4Q7/n6Wq9ZSnMVd4xbpk2exTRCMWFGVdqKsmARaE2sBBD/xsudqkrXAJpNUVJwp7SCCHbz3EBRlSecLKBo3Oc1dBIekz8CDX3jhxjQ2UrYu/CwRGnFQwdX2wh+jw8KCgGSJ5WiQ6DhtdQ2E2+hxlehtEGeP40XxQnQYrPV0YpuAayjhyWIgbk2Z/dlHvXneb2dFMWksI= X-Forefront-Antispam-Report: CIP:12.22.5.238;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(46966006)(40470700004)(36840700001)(508600001)(36756003)(7696005)(107886003)(2616005)(426003)(110136005)(54906003)(86362001)(6666004)(336012)(2906002)(1076003)(40460700003)(186003)(316002)(26005)(47076005)(70586007)(70206006)(5660300002)(36860700001)(8936002)(82310400004)(8676002)(4326008)(356005)(921005)(81166007)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Apr 2022 12:17:29.7794 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bfcae15a-a4c8-438e-33d3-08da163516db X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.238];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT011.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4298 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org The Tegra CPU COMPLEX CLUSTER area contains memory-mapped registers that initiate CPU frequency/voltage transitions. Signed-off-by: Sumit Gupta --- .../tegra/nvidia,tegra-ccplex-cluster.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml new file mode 100644 index 000000000000..d89457e0bd7d --- /dev/null +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/arm/tegra/nvidia,tegra-ccplex-cluster.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: NVIDIA Tegra CPU COMPLEX CLUSTER area device tree bindings + +maintainers: + - Sumit Gupta + - Mikko Perttunen + - Jon Hunter + - Thierry Reding + +description: |+ + The Tegra CPU COMPLEX CLUSTER area contains memory-mapped + registers that initiate CPU frequency/voltage transitions. + +properties: + $nodename: + pattern: "ccplex@([0-9a-f]+)$" + + compatible: + enum: + - nvidia,tegra186-ccplex-cluster + - nvidia,tegra234-ccplex-cluster + + reg: + maxItems: 1 + + nvidia,bpmp: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: | + Specifies the BPMP node that needs to be queried to get + operating point data for all CPUs. + +additionalProperties: true + +required: + - compatible + - reg + - nvidia,bpmp + - status + +examples: + - | + ccplex@e000000 { + compatible = "nvidia,tegra234-ccplex-cluster"; + reg = <0x0 0x0e000000 0x0 0x5ffff>; + nvidia,bpmp = <&bpmp>; + status = "okay"; + }; -- 2.17.1