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Message-ID: <SG2PR06MB3365ED5D60E709045FD010F38BCAA@SG2PR06MB3365.apcprd06.prod.outlook.com>
Date:   Thu, 5 Oct 2023 01:04:32 +0000
From:   Billy Tsai <billy_tsai@...eedtech.com>
To:     Rob Herring <robh@...nel.org>
CC:     "jdelvare@...e.com" <jdelvare@...e.com>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "joel@....id.au" <joel@....id.au>,
        "andrew@...id.au" <andrew@...id.au>,
        "corbet@....net" <corbet@....net>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>,
        "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "naresh.solanki@...ements.com" <naresh.solanki@...ements.com>,
        "linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>,
        BMC-SW <BMC-SW@...eedtech.com>,
        "patrick@...cx.xyz" <patrick@...cx.xyz>
Subject: Re: [PATCH v9 1/3] dt-bindings: hwmon: fan: Add fan binding to schema

>> From: Naresh Solanki <naresh.solanki@...ements.com>
>>
>> Add common fan properties bindings to a schema.
>>
>> Bindings for fan controllers can reference the common schema for the
>> fan
>>
>> child nodes:
>>
>>   patternProperties:
>>     "^fan@[0-2]":
>>       type: object
>>       $ref: fan-common.yaml#
>>       unevaluatedProperties: false
>>
>> Signed-off-by: Naresh Solanki <naresh.solanki@...ements.com>
>> Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
>> ---
>>  .../devicetree/bindings/hwmon/fan-common.yaml | 78 +++++++++++++++++++
>>  1 file changed, 78 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/hwmon/fan-common.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
>> new file mode 100644
>> index 000000000000..2bd2f57fc9d9
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
>> @@ -0,0 +1,78 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/hwmon/fan-common.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Common Fan Properties
>> +
>> +maintainers:
>> +  - Naresh Solanki <naresh.solanki@...ements.com>
>> +  - Billy Tsai <billy_tsai@...eedtech.com>
>> +
>> +properties:
>> +  max-rpm:
>> +    description:
>> +      Max RPM supported by fan.
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +    maximum: 100000
>> +
>> +  min-rpm:
>> +    description:
>> +      Min RPM supported by fan.
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +    maximum: 1000
>> +
>> +  pulses-per-revolution:
>> +    description:
>> +      The number of pulse from fan sensor per revolution.
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +    maximum: 4
>> +
>> +  tach-div:
>> +    description:
>> +      Divisor for the tach sampling clock, which determines the sensitivity of the tach pin.
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +
>> +  target-rpm:
>> +    description:
>> +      The default desired fan speed in RPM.
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +
>> +  fan-driving-mode:
>> +    description:
>> +      Select the driving mode of the fan.(DC, PWM and so on)
>> +    $ref: /schemas/types.yaml#/definitions/uint32

> What value corresponds to what mode? I'd do strings instead. 'dc',
> 'pwm', etc.


Ok, I will change the type to the string for next patch.

Thanks

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