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-0400 From: Frank Li To: florin.leotescu@oss.nxp.com Cc: Jean Delvare , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Shych , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, viorel.suman@nxp.com, carlos.song@nxp.com, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, festevam@gmail.com, Florin Leotescu Subject: Re: [PATCH v4 1/3] dt-bindings: hwmon: Add Microchip emc2305 support Message-ID: References: <20250313125746.2901904-1-florin.leotescu@oss.nxp.com> <20250313125746.2901904-2-florin.leotescu@oss.nxp.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250313125746.2901904-2-florin.leotescu@oss.nxp.com> X-ClientProxiedBy: SJ0PR13CA0188.namprd13.prod.outlook.com (2603:10b6:a03:2c3::13) To PAXPR04MB9642.eurprd04.prod.outlook.com (2603:10a6:102:240::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9642:EE_|VI2PR04MB10268:EE_ 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X-MS-Exchange-CrossTenant-UserPrincipalName: zDpF4xRpSFd0amcuIjxM98sGm1I1IjpmtTTC0ecIW15tqskf4Os8dFCB4fzE/eM97eKtCJVyv1RsRt0pK5X9tw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI2PR04MB10268 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250313_094001_866924_8B15EA60 X-CRM114-Status: GOOD ( 16.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Mar 13, 2025 at 02:57:44PM +0200, florin.leotescu@oss.nxp.com wrote: > From: Florin Leotescu > > Introduce yaml schema for Microchip emc2305 pwm fan controller. > > Signed-off-by: Florin Leotescu > --- > .../bindings/hwmon/microchip,emc2305.yaml | 104 ++++++++++++++++++ > 1 file changed, 104 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml > > diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml > new file mode 100644 > index 000000000000..3107fcafcf6a > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml > @@ -0,0 +1,104 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > + > +$id: http://devicetree.org/schemas/hwmon/microchip,emc2305.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Microchip EMC2305 SMBus compliant PWM fan controller > + > +maintainers: > + - Michael Shych > + > +description: > + Microchip EMC2301/2/3/5 pwm controller which supports > + up to five programmable fan control circuits. > + > +properties: > + compatible: > + oneOf: > + - enum: > + - microchip,emc2305 > + - items: > + - enum: > + - microchip,emc2303 > + - microchip,emc2302 > + - microchip,emc2301 > + - const: microchip,emc2305 > + > + reg: > + maxItems: 1 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + '#pwm-cells': > + const: 2 > + > +patternProperties: > + "^fan@[0-4]$": > + $ref: fan-common.yaml# > + unevaluatedProperties: false > + properties: > + reg: > + description: > + The fan number. > + > + required: > + - reg > + - pwms > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + fan_controller: fan-controller@2f { > + compatible = "microchip,emc2305"; > + reg = <0x2f>; > + #address-cells = <1>; > + #size-cells = <0>; > + #pwm-cells = <2>; > + > + fan@0 { > + #cooling-cells = <2>; > + reg = <0x0>; > + pwms = <&fan_controller 1 1>; > + }; > + > + fan@1 { > + #cooling-cells = <2>; > + reg = <0x1>; > + pwms = <&fan_controller 1 1>; > + }; > + > + fan@2 { > + #cooling-cells = <2>; > + reg = <0x2>; > + pwms = <&fan_controller 1 1>; > + }; > + > + fan@3 { > + #cooling-cells = <2>; > + reg = <0x3>; > + pwms = <&fan_controller 1 1>; > + }; > + > + fan@4 { > + #cooling-cells = <2>; > + reg = <0x4>; > + pwms = <&fan_controller 1 1>; > + }; I think one child node should be enough for example. Reviewed-by: Frank Li > + }; > + }; > +... > -- > 2.34.1 >