linux-kernel - Re: [PATCH v4 1/2] dt-bindings: hwmon: Add TMP401, TMP411 and TMP43x

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Date:   Sat, 23 Apr 2022 21:34:20 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Camel Guo <camel.guo@...s.com>
Cc:     Jean Delvare <jdelvare@...e.com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...s.com
Subject: Re: [PATCH v4 1/2] dt-bindings: hwmon: Add TMP401, TMP411 and TMP43x

On Thu, Apr 14, 2022 at 09:58:22AM +0200, Camel Guo wrote:
> Document the TMP401, TMP411 and TMP43x device devicetree bindings
> 
> Reviewed-by: Rob Herring <robh@...nel.org>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Camel Guo <camel.guo@...s.com>

Applied to hwmon-next.

Thanks,
Guenter

> ---
> 
> Notes:
>     v4:
>     - Add Reviewed-by from Rob H.
>     
>     v3:
>     - Remove unneeded address-cells and size-cells;
>     - Change range of ti,n-factor to [-128, 127];
>     - Remove unneeded 'items' of ti,beta-compensation;
>     - Got Reviewed-by from Krzysztof.
>     
>     v2:
>     - Fix format and describe hardware properties instead of programming
>       models
> 
>  .../devicetree/bindings/hwmon/ti,tmp401.yaml  | 105 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  2 files changed, 106 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
> new file mode 100644
> index 000000000000..fe0ac08faa1a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
> @@ -0,0 +1,105 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/ti,tmp401.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TMP401, TPM411 and TMP43x temperature sensor
> +
> +maintainers:
> +  - Guenter Roeck <linux@...ck-us.net>
> +
> +description: |
> +  ±1°C Remote and Local temperature sensor
> +
> +  Datasheets:
> +  https://www.ti.com/lit/ds/symlink/tmp401.pdf
> +  https://www.ti.com/lit/ds/symlink/tmp411.pdf
> +  https://www.ti.com/lit/ds/symlink/tmp431.pdf
> +  https://www.ti.com/lit/ds/symlink/tmp435.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,tmp401
> +      - ti,tmp411
> +      - ti,tmp431
> +      - ti,tmp432
> +      - ti,tmp435
> +
> +  reg:
> +    maxItems: 1
> +
> +  ti,extended-range-enable:
> +    description:
> +      When set, this sensor measures over extended temperature range.
> +    type: boolean
> +
> +  ti,n-factor:
> +    description:
> +      value to be used for converting remote channel measurements to
> +      temperature.
> +    $ref: /schemas/types.yaml#/definitions/int32
> +    items:
> +      minimum: -128
> +      maximum: 127
> +
> +  ti,beta-compensation:
> +    description:
> +      value to select beta correction range.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 15
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - ti,tmp401
> +    then:
> +      properties:
> +        ti,n-factor: false
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - ti,tmp401
> +              - ti,tmp411
> +    then:
> +      properties:
> +        ti,beta-compensation: false
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      sensor@4c {
> +        compatible = "ti,tmp401";
> +        reg = <0x4c>;
> +      };
> +    };
> +  - |
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      sensor@4c {
> +        compatible = "ti,tmp431";
> +        reg = <0x4c>;
> +        ti,extended-range-enable;
> +        ti,n-factor = <0x3b>;
> +        ti,beta-compensation = <0x7>;
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 61d9f114c37f..6b0d8f5cc68e 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -19838,6 +19838,7 @@ TMP401 HARDWARE MONITOR DRIVER
>  M:	Guenter Roeck <linux@...ck-us.net>
>  L:	linux-hwmon@...r.kernel.org
>  S:	Maintained
> +F:	Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
>  F:	Documentation/hwmon/tmp401.rst
>  F:	drivers/hwmon/tmp401.c
>