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

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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
> +---
> +$id: http://devicetree.org/schemas/mfd/renesas,raa215300.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +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-memory-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.

> +
> +  interrupts:
> +    maxItems: 1
> +

Best regards,
Krzysztof




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