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From: Rob Herring <robh@kernel.org>
To: Logan Shaw <logan.shaw@alliedtelesis.co.nz>
Cc: linux@roeck-us.net, jdelvare@suse.com,
	linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, Joshua.Scott@alliedtelesis.co.nz,
	Chris.Packham@alliedtelesis.co.nz
Subject: Re: [PATCH v6 2/2] dt-bindings: hwmon: (adt7475) Added missing adt7475 documentation
Date: Mon, 27 Jan 2020 09:48:00 -0600
Message-ID: <20200127154800.GA7023@bogus> (raw)
In-Reply-To: <20200126221014.2978-3-logan.shaw@alliedtelesis.co.nz>

On Mon, Jan 27, 2020 at 11:10:14AM +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@alliedtelesis.co.nz>
> ---
> ---
>  .../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

Dual license new bindings please:

(GPL-2.0-only OR BSD-2-Clause)

> +%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@suse.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

omsemi?
 ^

> +  rephrasing.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,adt7473
> +      - adi,adt7475
> +      - adi,adt7476
> +      - adi,adt7490
> +
> +  reg:
> +    maxItems: 1
> +
> +  bypass-attenuator-in0:

Needs a vendor prefix and a type ref. 

> +    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.

Sounds like this could be boolean? If not, define a schema for what are 
valid values.

> +    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:

These 4 could be a single entry under patternProperties.


> +    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>;
> +      };
> +    };
> +...
> -- 
> 2.25.0
> 

  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-26 22:10 [PATCH v6 0/2] hwmon: (adt7475) Added attenuator bypass support Logan Shaw
2020-01-26 22:10 ` [PATCH v6 1/2] " Logan Shaw
2020-01-26 22:10 ` [PATCH v6 2/2] dt-bindings: hwmon: (adt7475) Added missing adt7475 documentation Logan Shaw
2020-01-27 15:48   ` Rob Herring [this message]
2020-01-29  4:30     ` Logan Shaw
2020-01-29  9:51       ` Guenter Roeck
2020-01-29 17:27       ` Rob Herring
2020-01-29 23:52         ` Logan Shaw
2020-01-30  3:07     ` Logan Shaw
2020-02-05  0:48       ` Logan Shaw

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