Thread (22 messages) 22 messages, 4 authors, 2023-09-25

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

From: Martin Botka <hidden>
Date: 2023-09-04 19:52:33
Also in: linux-devicetree, linux-pm, linux-sunxi, lkml


On Mon, Sep 4 2023 at 09:31:34 PM +02:00:00, Krzysztof Kozlowski 
[off-list ref] wrote:
On 04/09/2023 17:57, Martin Botka wrote:
quoted
 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.
quoted
 Also enable opp_supported_hw property that will be needed for H616.

 Signed-off-by: Martin Botka [off-list ref]
 ---
  .../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.
quoted
 +      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.
quoted
Best regards,
Krzysztof


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