linux-kernel - Re: [PATCH v2 01/16] dt-bindings: clock: Fix node descriptions in uniphier-clock example

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Date:   Thu, 8 Dec 2022 09:06:01 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/16] dt-bindings: clock: Fix node descriptions in
 uniphier-clock example

On 07/12/2022 06:53, Kunihiko Hayashi wrote:
> Prior to adding dt-bindings for SoC-dependent controllers, rename the
> clock nodes their parent nodes to the generic names in the example.
> 
> And also fix the missing compatible string.
> 
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> ---
>  .../clock/socionext,uniphier-clock.yaml       | 21 +++++++++++--------
>  1 file changed, 12 insertions(+), 9 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/socionext,uniphier-clock.yaml b/Documentation/devicetree/bindings/clock/socionext,uniphier-clock.yaml
> index 9a0cc7341630..672450a1ecda 100644
> --- a/Documentation/devicetree/bindings/clock/socionext,uniphier-clock.yaml
> +++ b/Documentation/devicetree/bindings/clock/socionext,uniphier-clock.yaml
> @@ -61,11 +61,12 @@ required:
>  
>  examples:
>    - |
> -    sysctrl@...40000 {
> -        compatible = "socionext,uniphier-sysctrl", "simple-mfd", "syscon";
> +    syscon@...40000 {
> +        compatible = "socionext,uniphier-ld11-sysctrl",
> +                     "simple-mfd", "syscon";
>          reg = <0x61840000 0x4000>;
>  
> -        clock {
> +        clock-controller {
>              compatible = "socionext,uniphier-ld11-clock";
>              #clock-cells = <1>;
>          };
> @@ -74,11 +75,12 @@ examples:
>      };
>  
>    - |
> -    mioctrl@...10000 {
> -        compatible = "socionext,uniphier-mioctrl", "simple-mfd", "syscon";
> +    syscon@...10000 {
> +        compatible = "socionext,uniphier-ld11-mioctrl",
> +                     "simple-mfd", "syscon";
>          reg = <0x59810000 0x800>;
>  
> -        clock {
> +        clock-controller {
>              compatible = "socionext,uniphier-ld11-mio-clock";
>              #clock-cells = <1>;
>          };
> @@ -87,11 +89,12 @@ examples:
>      };
>  
>    - |
> -    perictrl@...20000 {
> -        compatible = "socionext,uniphier-perictrl", "simple-mfd", "syscon";
> +    syscon@...20000 {
> +        compatible = "socionext,uniphier-ld11-perictrl",
> +                     "simple-mfd", "syscon";
>          reg = <0x59820000 0x200>;
>  
> -        clock {

These are all three same examples (no differences except compatibles),
so you can as well keep only one. You can also skip parent node,
otherwise you might keep getting warnings for this schema. The parent is
not that relevant here and its bindings (e.g.
socionext,uniphier-sysctrl.yaml) should include complete example -
parent with all the children.

Best regards,
Krzysztof