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

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Hi

On Wed, 30 Aug 2023 at 21:02, Conor Dooley <conor@xxxxxxxxxx> wrote:
>
> 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.
Sure will remove.
>
> > +      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?
EN & ENABLE is used interchangeably in the datasheet.
Just to keep property name short I use EN.
>
> > +    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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