linux-kernel - Re: [PATCH 2/9] dt-bindings: clock: google,gs101-clock: add samsung,sysreg property as required

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Message-ID: <5fa16d95c5b421253135c5ec7974e99b8724f395.camel@linaro.org>
Date: Thu, 16 Oct 2025 06:53:33 +0100
From: André Draszik <andre.draszik@...aro.org>
To: Peter Griffin <peter.griffin@...aro.org>, Rob Herring <robh@...nel.org>,
  Krzysztof Kozlowski	 <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Alim Akhtar	 <alim.akhtar@...sung.com>, Tudor
 Ambarus <tudor.ambarus@...aro.org>, Michael Turquette
 <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Sam Protsenko	
 <semen.protsenko@...aro.org>, Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>
Cc: Will McVicker <willmcvicker@...gle.com>, Krzysztof Kozlowski	
 <krzk@...nel.org>, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, Krzysztof
 Kozlowski	 <krzysztof.kozlowski@...aro.org>, kernel-team@...roid.com
Subject: Re: [PATCH 2/9] dt-bindings: clock: google,gs101-clock: add
 samsung,sysreg property as required

On Mon, 2025-10-13 at 21:51 +0100, Peter Griffin wrote:
> Update the bindings documentation so that all CMUs (with the exception of
> gs101-cmu-top) have samsung,sysreg as a required property.
> 
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
> ---
>  .../bindings/clock/google,gs101-clock.yaml         | 23 +++++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/google,gs101-clock.yaml b/Documentation/devicetree/bindings/clock/google,gs101-
> clock.yaml
> index caf442ead24bda57e531420d8a7d8de8713032ae..5cfe98d9ba895d5207fffc82f3fd55b602b4a2bb 100644
> --- a/Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
> +++ b/Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
> @@ -49,6 +49,11 @@ properties:
>    reg:
>      maxItems: 1
>  
> +  samsung,sysreg:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      Phandle to system registers interface.
> +
>  required:
>    - compatible
>    - "#clock-cells"
> @@ -163,6 +168,22 @@ allOf:
>              - const: bus
>              - const: ip
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - google,gs101-cmu-apm
> +              - google,gs101-cmu-misc
> +              - google,gs101-hsi0
> +              - google,gs101-cmu-hsi2
> +              - google,gs101-cmu-peric0
> +              - google,gs101-cmu-peric1
> +
> +    then:
> +      required:
> +        - samsung,sysreg
> +
>  additionalProperties: false
>  
>  examples:
> @@ -172,7 +193,7 @@ examples:
>  
>      cmu_top: clock-controller@...80000 {
>          compatible = "google,gs101-cmu-top";
> -        reg = <0x1e080000 0x8000>;
> +        reg = <0x1e080000 0x10000>;

This seems unrelated, or at least not mentioned in the commit message.

Cheers,
Andre'

>          #clock-cells = <1>;
>          clocks = <&ext_24_5m>;
>          clock-names = "oscclk";