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([2600:1700:e321:62f0:da43:aeff:fecc:bfd5]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-301a39efc5bsm1492988a91.0.2025.03.18.08.22.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Mar 2025 08:22:36 -0700 (PDT) Sender: Guenter Roeck Message-ID: <7afcd224-1154-4e2f-b383-10f6a89fdae0@roeck-us.net> Date: Tue, 18 Mar 2025 08:22:34 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 1/3] dt-bindings: hwmon: Add Microchip emc2305 support To: florin.leotescu@oss.nxp.com, Jean Delvare , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Shych , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: viorel.suman@nxp.com, carlos.song@nxp.com, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, festevam@gmail.com, Florin Leotescu , Frank Li References: <20250318085444.3459380-1-florin.leotescu@oss.nxp.com> <20250318085444.3459380-2-florin.leotescu@oss.nxp.com> Content-Language: en-US From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/18/25 01:54, florin.leotescu@oss.nxp.com wrote: > From: Florin Leotescu > > Introduce yaml schema for Microchip emc2305 pwm fan controller. > > Signed-off-by: Florin Leotescu > Reviewed-by: Frank Li > --- > .../bindings/hwmon/microchip,emc2305.yaml | 113 ++++++++++++++++++ > 1 file changed, 113 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..e61ef97e63af > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml > @@ -0,0 +1,113 @@ > +# 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: 3 > + description: | > + Number of cells in a PWM specifier. > + - cell 0: The PWM frequency > + - cell 1: The PWM polarity: 0 or PWM_POLARITY_INVERTED > + - cell 2: The PWM output config: > + - 0 (Open-Drain) > + - 1 (Push-Pull) > + > + > +patternProperties: > + '^fan@[0-4]$': > + $ref: fan-common.yaml# > + unevaluatedProperties: false > + properties: > + reg: > + description: > + The fan number used to determine the associated PWM channel. > + > + required: > + - reg > + - pwms Is it necessary to make 'pwms' mandatory ? The current code works just fine with defaults. Thanks, Guenter