RE: [PATCH v3 3/5] dt-bindings: mfd: Add Renesas RAA215300 PMIC bindings

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Hi Krzysztof Kozlowski,

Thanks for the feedback.

> Subject: Re: [PATCH v3 3/5] dt-bindings: mfd: Add Renesas RAA215300 PMIC
> bindings
> 
> On 13/05/2023 18:52, Biju Das wrote:
> > Document Renesas RAA215300 PMIC bindings.
> >
> > The RAA215300 is a high Performance 9-Channel PMIC supporting DDR
> > Memory, with Built-In Charger and RTC.
> >
> > It supports DDR3, DDR3L, DDR4, and LPDDR4 memory power requirements.
> > The internally compensated regulators, built-in Real-Time Clock (RTC),
> > 32kHz crystal oscillator, and coin cell battery charger provide a
> > highly integrated, small footprint power solution ideal for
> > System-On-Module (SOM) applications. A spread spectrum feature
> > provides an ease-of-use solution for noise-sensitive audio or RF
> > applications.
> >
> > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > ---
> > v2->v3:
> >  * Added more detailed description for renesas,rtc-enabled property.
> > RFC->v2:
> >  * Updated reg property
> >  * Added optional reg-names, interrupts and renesas,rtc-enabled
> >    properties.
> >  * Fixed the node name in the example
> >  * Dropped the cross link property renesas,raa215300-rtc.
> >  * Updated the example
> > ---
> >  .../bindings/mfd/renesas,raa215300.yaml       | 70
> +++++++++++++++++++
> >  1 file changed, 70 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/mfd/renesas,raa215300.yaml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/mfd/renesas,raa215300.yaml
> > b/Documentation/devicetree/bindings/mfd/renesas,raa215300.yaml
> > new file mode 100644
> > index 000000000000..04d34e5be23e
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mfd/renesas,raa215300.yaml
> > @@ -0,0 +1,70 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id:
> > +
> > +title: Renesas RAA215300 Power Management Integrated Circuit (PMIC)
> > +
> > +maintainers:
> > +  - Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > +
> > +description: |
> > +  The RAA215300 is a high-performance, low-cost 9-channel PMIC
> > +designed for
> > +  32-bit and 64-bit MCU and MPU applications. It supports DDR3,
> > +DDR3L, DDR4,
> > +  and LPDDR4 memory power requirements. The internally compensated
> > +regulators,
> > +  built-in Real-Time Clock (RTC), 32kHz crystal oscillator, and coin
> > +cell
> > +  battery charger provide a highly integrated, small footprint power
> > +solution
> > +  ideal for System-On-Module (SOM) applications. A spread spectrum
> > +feature
> > +  provides an ease-of-use solution for noise-sensitive audio or RF
> applications.
> > +
> > +  This device exposes two devices via I2C. One for the integrated RTC
> > + IP, and  one for everything else.
> > +
> > +  Link to datasheet:
> > +
> > + https://www.renesas.com/in/en/products/power-power-management/multi-
> > + channel-power-management-ics-pmics/ssdsoc-power-management-ics-pmic-
> > + and-pmus/raa215300-high-performance-9-channel-pmic-supporting-ddr-me
> > + mory-built-charger-and-rtc
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - renesas,raa215300
> > +
> > +  reg:
> > +    minItems: 1
> > +    maxItems: 2
> > +
> > +  reg-names:
> > +    items:
> > +      - const: main
> > +      - const: rtc
> 
> I missed it last time. This does not match your reg. I suggest to drop
> minItems from reg, assuming your device always has two address spaces.

OK, will drop minItems.

Also, in next-version, will add reg-names as required-properties .

+required:
+  - compatible
+  - reg
+  - reg-names

I will send next version, based on feedback from others.

Cheers,
Biju





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