linux-kernel - Re: [PATCH V4 1/2] dt-bindings: rtc: zynqmp: Add clock information

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Date:   Thu, 26 May 2022 14:55:19 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Srinivas Neeli <srinivas.neeli@...inx.com>, a.zummo@...ertech.it,
        alexandre.belloni@...tlin.com, robh+dt@...nel.org,
        michal.simek@...inx.com, sgoud@...inx.com, shubhraj@...inx.com
Cc:     krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, git@...inx.com
Subject: Re: [PATCH V4 1/2] dt-bindings: rtc: zynqmp: Add clock information

On 24/05/2022 14:20, Srinivas Neeli wrote:
> Added clock information and deprecated calibration support.
> 
> Signed-off-by: Srinivas Neeli <srinivas.neeli@...inx.com>
> ---
> Changes in V4:
> - Deprecated calibrtion support
> Changes in V3:
> - New patch
> ---
>  .../devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml      | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
> index bdb72d3ddf2a..de617707854e 100644
> --- a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
> +++ b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
> @@ -23,6 +23,14 @@ properties:
>    reg:
>      maxItems: 1
>  
> +  clocks:
> +    items:
> +      - description: rtc_clk is the operating frequency of crystal.
> +
> +  clock-names:
> +    items:
> +      - const: "rtc_clk"

No quotes, no "clk" suffix. Actually entire entry is not needed, so just
"clocks" is enough.

> +
>    interrupts:
>      minItems: 2
>  
> @@ -39,6 +47,7 @@ properties:
>      minimum: 0x1
>      maximum: 0x1FFFFF
>      default: 0x198233
> +    deprecated: true
>  
>  required:
>    - compatible
> @@ -61,5 +70,7 @@ examples:
>          interrupts = <0 26 4>, <0 27 4>;
>          interrupt-names = "alarm", "sec";
>          calibration = <0x198233>;
> +        clock-names = "rtc_clk";
> +        clocks = <&rtc_clk>;
>        };
>      };


Best regards,
Krzysztof