Re: [PATCH 3/6] dt-bindings: opp: Add compatible for H616

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On Mon, Sep 4 2023 at 09:31:34 PM +02:00:00, Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:
On 04/09/2023 17:57, Martin Botka wrote:
 We need to add compatible for H616 to H6 cpufreq driver bindings.

Please describe the hardware, not what is needed for drivers.
Got it. Sorry.


 Also enable opp_supported_hw property that will be needed for H616.

 Signed-off-by: Martin Botka <martin.botka@xxxxxxxxxxxxxx>
 ---
.../bindings/opp/allwinner,sun50i-h6-operating-points.yaml | 6 +++++-
  1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml b/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
 index 51f62c3ae194..2fa1199f2d23 100644
--- a/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml +++ b/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
 @@ -23,7 +23,10 @@ allOf:

  properties:
    compatible:
 -    const: allwinner,sun50i-h6-operating-points
 +    contains:

This does not look like part of allOf, so contains is no correct here.
This must be specific, so drop contains.
ack.

 +      enum:
 +        - allwinner,sun50i-h6-operating-points
 +        - allwinner,sun50i-h616-operating-points

    nvmem-cells:
      description: |
 @@ -47,6 +50,7 @@ patternProperties:
      properties:
        opp-hz: true
        clock-latency-ns: true
 +      opp-supported-hw: true

Why? It is already allowed. You should rather explain the values.
Yea this can be dropped. I forgot to remove it. My bad.
Also the values i think are very clear ? The values converted to binary represent which chip revision is allowed to use the specified frequency.
1 bit for each revision.



Best regards,
Krzysztof






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