RE: [PATCH 1/2] dt-bindings: rtc: max31335: add max31335 bindings

["Miclaus, Antoniu" <Antoniu.Miclaus@xxxxxxxxxx>]

--
Antoniu Miclăuş

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Sent: Monday, October 30, 2023 7:25 PM
> To: Miclaus, Antoniu <Antoniu.Miclaus@xxxxxxxxxx>; Alessandro Zummo
> <a.zummo@xxxxxxxxxxxx>; Alexandre Belloni
> <alexandre.belloni@xxxxxxxxxxx>; Rob Herring <robh+dt@xxxxxxxxxx>;
> Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>; Conor Dooley
> <conor+dt@xxxxxxxxxx>; Jean Delvare <jdelvare@xxxxxxxx>; Guenter
> Roeck <linux@xxxxxxxxxxxx>; linux-rtc@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-
> hwmon@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 1/2] dt-bindings: rtc: max31335: add max31335 bindings
> 
> [External]
> 
> On 30/10/2023 12:50, Antoniu Miclaus wrote:
> > Document the Analog Devices MAX31335 device tree bindings.
> >
> > Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
> > ---
> >  .../devicetree/bindings/rtc/adi,max31335.yaml | 61
> +++++++++++++++++++
> >  1 file changed, 61 insertions(+)
> >  create mode 100644
> Documentation/devicetree/bindings/rtc/adi,max31335.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
> b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
> > new file mode 100644
> > index 000000000000..b84be0fa34ef
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
> > @@ -0,0 +1,61 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id:
> https://urldefense.com/v3/__http://devicetree.org/schemas/rtc/adi,max31
> 335.yaml*__;Iw!!A3Ni8CS0y2Y!8dEITWcTQ-
> eZ_KG0TRlZ9ghWuDPnZwR1oR5OpGyvJkmAOxsFxDYI7rUqR-
> U_KSQcGbkqxJ3glqBcJa_jjbukeVtyVSw-LCq3$
> > +$schema: https://urldefense.com/v3/__http://devicetree.org/meta-
> schemas/core.yaml*__;Iw!!A3Ni8CS0y2Y!8dEITWcTQ-
> eZ_KG0TRlZ9ghWuDPnZwR1oR5OpGyvJkmAOxsFxDYI7rUqR-
> U_KSQcGbkqxJ3glqBcJa_jjbukeVtyVRI7679n$
> > +
> > +title: Analog Devices MAX31335 RTC Device Tree Bindings
> 
> It does not look like you tested the bindings, at least after quick
> look. Please run `make dt_binding_check` (see
> Documentation/devicetree/bindings/writing-schema.rst for instructions).
> Maybe you need to update your dtschema and yamllint.
> 
> Although I wonder why there is no error report from the bot.
> 
> Drop "Device Tree Bindings"
> 
> > +
> > +allOf:
> > +  - $ref: rtc.yaml#
> 
> This goes after description. Several existing files have it in other
> place, but if doing changes then well...
> 
> > +
> > +maintainers:
> > +  - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
> > +
> > +description: Analog Devices MAX31335 I2C RTC
> 
> Drop or say something else than title.
> 
> 
> > +
> > +properties:
> > +  compatible:
> > +    const: adi,max31335
> > +
> > +  reg:
> > +    description: I2C address of the RTC
> 
> Drop description, obvious.
> 
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  "#clock-cells":
> > +    description:
> > +      RTC can be used as a clock source through its clock output pin.
> > +    const: 0
> > +
> > +  trickle-resistor-ohms:
> > +    description: Selected resistor for trickle charger.
> > +    enum: [3000, 6000, 11000]
> 
> default? Or missing property has other meaning...

If trickle-resistor-ohms property is missing, then the trickle charger setup is skipped.

> 
> > +
> > +  trickle-diode-enable: true
> 
> Where is it defined? You added it as it was a common property, so where
> is the one definition? Maybe you wanted to use other property from
> rtc.yaml which is deprecated, so obviously not...
> 
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> 
> Best regards,
> Krzysztof