linux-kernel - Re: [PATCH 1/3] dt-bindings: cpufreq: Add nvmem-cells for chip information

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Date: Thu, 15 Feb 2024 14:29:51 +0530
From: Dhruva Gole <d-gole@...com>
To: Markus Schneider-Pargmann <msp@...libre.com>
CC: Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen
 Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo
	<kristo@...nel.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>, Andrew Davis
	<afd@...com>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/3] dt-bindings: cpufreq: Add nvmem-cells for chip
 information

Hi,

On Feb 06, 2024 at 15:57:19 +0100, Markus Schneider-Pargmann wrote:
> Add nvmem-cells to describe chip information like chipvariant and
> chipspeed. If nvmem-cells are used, the syscon property is not necessary
> anymore.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
> Acked-by: Andrew Davis <afd@...com>
> ---
>  .../bindings/opp/operating-points-v2-ti-cpu.yaml | 16 +++++++++++++++-
>  1 file changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/opp/operating-points-v2-ti-cpu.yaml b/Documentation/devicetree/bindings/opp/operating-points-v2-ti-cpu.yaml
> index 02d1d2c17129..b1881a0834fe 100644
> --- a/Documentation/devicetree/bindings/opp/operating-points-v2-ti-cpu.yaml
> +++ b/Documentation/devicetree/bindings/opp/operating-points-v2-ti-cpu.yaml
> @@ -34,6 +34,14 @@ properties:
>        points to syscon node representing the control module
>        register space of the SoC.
>  
> +  nvmem-cells:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +
> +  nvmem-cell-names:
> +    items:
> +      - const: chipvariant
> +      - const: chipspeed
> +
>    opp-shared: true
>  
>  patternProperties:
> @@ -55,7 +63,13 @@ patternProperties:
>  
>  required:
>    - compatible
> -  - syscon
> +
> +oneOf:
> +  - required:
> +      - syscon
> +  - required:
> +      - nvmem-cells
> +      - nvmem-cell-names

Reviewed-by: Dhruva Gole <d-gole@...com>


-- 
Best regards,
Dhruva Gole <d-gole@...com>