Re: [PATCH v4 1/3] dt-bindings: hwmon: Add Infineon TDA38640

[Conor Dooley]

Hey,

On Wed, Aug 30, 2023 at 12:36:16PM +0200, Naresh Solanki wrote:
> From: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
> 
> Add the DT property 'infineon,en-pin-fixed-level' to
> indicated that the chip ENABLE pin is at fixed level
> or left unconnected(has internal pull-down).
> 
> Signed-off-by: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
> Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx>
> ----
> Changes in V4:
> - Update property name & description.
> - Update commit message.
> ---
>  .../hwmon/pmbus/infineon,tda38640.yaml        | 50 +++++++++++++++++++
>  .../devicetree/bindings/trivial-devices.yaml  |  2 -
>  2 files changed, 50 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
> new file mode 100644
> index 000000000000..1df40ee7454a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/hwmon/pmbus/infineon,tda38640.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Infineon TDA38640 Synchronous Buck Regulator with SVID and I2C
> +
> +maintainers:
> +  - Naresh Solanki <naresh.solanki@xxxxxxxxxxxxx>
> +
> +description: |
> +  The Infineon TDA38640 is a 40A Single-voltage Synchronous Buck
> +  Regulator with SVID and I2C designed for Industrial use.
> +
> +  Datasheet: https://www.infineon.com/dgdl/Infineon-TDA38640-0000-DataSheet-v02_04-EN.pdf?fileId=8ac78c8c80027ecd018042f2337f00c9
> +
> +properties:
> +  compatible:
> +    enum:
> +      - infineon,tda38640
> +
> +  reg:
> +    maxItems: 1
> +
> +  infineon,en-pin-fixed-level:
> +    description: |

The | isn't needed when there is no formatting requiring preservation.

> +      Indicates that the chip ENABLE pin is at fixed level or left
> +      unconnected(has internal pull-down).

Maybe you've already been over this, but if the pin is called "enable"
why not use the same wording in the property?

> +    type: boolean
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        tda38640@40 {

Use a generic node name please.

Thanks,
Conor.

> +            compatible = "infineon,tda38640";
> +            reg = <0x40>;
> +        };
> +    };
> +
> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
> index 40bc475ee7e1..86c7d34f63bf 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -151,8 +151,6 @@ properties:
>            - infineon,slb9645tt
>              # Infineon SLB9673 I2C TPM 2.0
>            - infineon,slb9673
> -            # Infineon TDA38640 Voltage Regulator
> -          - infineon,tda38640
>              # Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor
>            - infineon,tlv493d-a1b6
>              # Infineon Multi-phase Digital VR Controller xdpe11280
> 
> base-commit: 919a83d020a8dfa1411c1dc1cff23a833f0f5268
> -- 
> 2.41.0
>

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