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Tue, 28 Apr 2026 08:23:46 +0000 From: Changhuang Liang To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, Changhuang Liang Subject: [PATCH v1 1/2] dt-bindings: hwmon: Add starfive,jhb100-fan-tach Date: Tue, 28 Apr 2026 01:23:36 -0700 Message-Id: <20260428082337.743546-2-changhuang.liang@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260428082337.743546-1-changhuang.liang@starfivetech.com> References: <20260428082337.743546-1-changhuang.liang@starfivetech.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: BJXPR01CA0051.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:12::18) To ZQ4PR01MB1202.CHNPR01.prod.partner.outlook.cn (2406:e500:c550:17::6) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: ZQ4PR01MB1202:EE_|ZQ4PR01MB1219:EE_ X-MS-Office365-Filtering-Correlation-Id: 4178844b-c623-44b1-3b63-08dea4ff7771 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|52116014|376014|38350700014|22082099003|56012099003|18002099003; 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Signed-off-by: Changhuang Liang --- .../hwmon/starfive,jhb100-fan-tach.yaml | 98 +++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/starfive,jhb100-fan-tach.yaml diff --git a/Documentation/devicetree/bindings/hwmon/starfive,jhb100-fan-tach.yaml b/Documentation/devicetree/bindings/hwmon/starfive,jhb100-fan-tach.yaml new file mode 100644 index 000000000000..fdc8539ec804 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/starfive,jhb100-fan-tach.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/starfive,jhb100-fan-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JHB100 Fan-Tach controller + +maintainers: + - Changhuang Liang + +description: + The StarFive Fan-Tach controller can support up to 16 fan tach input. + +properties: + compatible: + enum: + - starfive,jhb100-fan-tach + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + interrupts: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^fan@[0-9]+$": + $ref: fan-common.yaml# + unevaluatedProperties: false + required: + - reg + - tach-ch + +required: + - compatible + - reg + - clocks + - resets + - interrupts + +additionalProperties: false + +examples: + - | + fan-tach-controller@11be0000 { + compatible = "starfive,jhb100-fan-tach"; + reg = <0x11be0000 0x400>; + interrupts = <128>; + clocks = <&per2crg 33>; + resets = <&per2crg 5>; + #address-cells = <1>; + #size-cells = <0>; + + fan@0 { + reg = <0>; + tach-ch = /bits/ 8 <0x0>, <0x8>; + }; + fan@1 { + reg = <1>; + tach-ch = /bits/ 8 <0x1>, <0x9>; + }; + fan@2 { + reg = <2>; + tach-ch = /bits/ 8 <0x2>, <0xa>; + }; + fan@3 { + reg = <3>; + tach-ch = /bits/ 8 <0x3>, <0xb>; + }; + fan@4 { + reg = <4>; + tach-ch = /bits/ 8 <0x4>, <0xc>; + }; + fan@5 { + reg = <5>; + tach-ch = /bits/ 8 <0x5>, <0xd>; + }; + fan@6 { + reg = <6>; + tach-ch = /bits/ 8 <0x6>, <0xe>; + }; + fan@7 { + reg = <7>; + tach-ch = /bits/ 8 <0x7>, <0xf>; + }; + }; -- 2.25.1