linux-kernel - Re: [PATCH v5 2/2] dt-bindings: hwmon: (adt7475) Added missing adt7475 doccumentation

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Message-ID: <20200125230907.GA25337@roeck-us.net>
Date:   Sat, 25 Jan 2020 15:09:07 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Logan Shaw <logan.shaw@...iedtelesis.co.nz>
Cc:     jdelvare@...e.com, robh+dt@...nel.org, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Joshua.Scott@...iedtelesis.co.nz, Chris.Packham@...iedtelesis.co.nz
Subject: Re: [PATCH v5 2/2] dt-bindings: hwmon: (adt7475) Added missing
 adt7475 doccumentation

On Fri, Jan 24, 2020 at 11:05:33AM +1300, Logan Shaw wrote:
> Added a new file documenting the adt7475 devicetree and added the four
> new properties to it.
> 
> Signed-off-by: Logan Shaw <logan.shaw@...iedtelesis.co.nz>

Subject: s/doccumentation/documentation/

Guenter

> ---
> ---
>  .../devicetree/bindings/hwmon/adt7475.yaml    | 95 +++++++++++++++++++
>  1 file changed, 95 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/adt7475.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
> new file mode 100644
> index 000000000000..450da5e66e07
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
> @@ -0,0 +1,95 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/adt7475.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ADT7475 hwmon sensor
> +
> +maintainers:
> +  - Jean Delvare <jdelvare@...e.com>
> +
> +description: |
> +  The ADT7473, ADT7475, ADT7476, and ADT7490 are thermal monitors and multiple
> +  PWN fan controllers.
> +
> +  They support monitoring and controlling up to four fans (the ADT7490 can only
> +  control up to three). They support reading a single on chip temperature
> +  sensor and two off chip temperature sensors (the ADT7490 additionally
> +  supports measuring up to three current external temperature sensors with
> +  series resistance cancellation (SRC)).
> +
> +  Datasheets:
> +  https://www.onsemi.com/pub/Collateral/ADT7473-D.PDF
> +  https://www.onsemi.com/pub/Collateral/ADT7475-D.PDF
> +  https://www.onsemi.com/pub/Collateral/ADT7476-D.PDF
> +  https://www.onsemi.com/pub/Collateral/ADT7490-D.PDF
> +
> +  Description taken from omsemiconductors specification sheets, with minor
> +  rephrasing.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,adt7473
> +      - adi,adt7475
> +      - adi,adt7476
> +      - adi,adt7490
> +
> +  reg:
> +    maxItems: 1
> +
> +  bypass-attenuator-in0:
> +    description: |
> +      Configures bypassing the individual voltage input
> +      attenuator, on in0. This is supported on the ADT7476 and ADT7490.
> +      If set to a non-zero integer the attenuator is bypassed, if set to
> +      zero the attenuator is not bypassed. If the property is absent then
> +      the config register is not modified.
> +    maxItems: 1
> +
> +  bypass-attenuator-in1:
> +    description: |
> +      Configures bypassing the individual voltage input
> +      attenuator, on in1. This is supported on the ADT7473, ADT7475,
> +      ADT7476 and ADT7490. If set to a non-zero integer the attenuator
> +      is bypassed, if set to zero the attenuator is not bypassed. If the
> +      property is absent then the config register is not modified.
> +    maxItems: 1
> +
> +  bypass-attenuator-in3:
> +    description: |
> +      Configures bypassing the individual voltage input
> +      attenuator, on in3. This is supported on the ADT7476 and ADT7490.
> +      If set to a non-zero integer the attenuator is bypassed, if set to
> +      zero the attenuator is not bypassed. If the property is absent then
> +      the config register is not modified.
> +    maxItems: 1
> +
> +  bypass-attenuator-in4:
> +    description: |
> +      Configures bypassing the individual voltage input
> +      attenuator, on in4. This is supported on the ADT7476 and ADT7490.
> +      If set to a non-zero integer the attenuator is bypassed, if set to
> +      zero the attenuator is not bypassed. If the property is absent then
> +      the config register is not modified.
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      hwmon@2e {
> +        compatible = "adi,adt7476";
> +        reg = <0x2e>;
> +        bypass-attenuator-in0 = <1>;
> +        bypass-attenuator-in1 = <0>;
> +      };
> +    };
> +...