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[v3,2/7] dt-bindings: opp: accept array of frequencies

Message ID 20220513061347.46480-3-krzysztof.kozlowski@linaro.org
State Superseded
Headers show
Series ufs: set power domain performance state when scaling gears | expand

Commit Message

Krzysztof Kozlowski May 13, 2022, 6:13 a.m. UTC 
Devices might need to control several clocks when scaling the frequency
and voltage.  Allow passing array of clock frequencies, similarly to the
voltages.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>

---

Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 Documentation/devicetree/bindings/opp/opp-v2-base.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Viresh Kumar June 30, 2022, 9:55 a.m. UTC | #1 
On 13-05-22, 08:13, Krzysztof Kozlowski wrote:
> Devices might need to control several clocks when scaling the frequency
> and voltage.  Allow passing array of clock frequencies, similarly to the
> voltages.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Acked-by: Rob Herring <robh@kernel.org>
> 
> ---
> 
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
>  Documentation/devicetree/bindings/opp/opp-v2-base.yaml | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
> index 76c8acd981b3..66d0ec763f0b 100644
> --- a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
> +++ b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
> @@ -50,6 +50,16 @@ patternProperties:
>            property to uniquely identify the OPP nodes exists. Devices like power
>            domains must have another (implementation dependent) property.
>  
> +          Entries for multiple clocks shall be provided in the same field, as
> +          array of frequencies.  The OPP binding doesn't provide any provisions
> +          to relate the values to their clocks or the order in which the clocks
> +          need to be configured and that is left for the implementation
> +          specific binding.
> +        minItems: 1
> +        maxItems: 16
> +        items:
> +          maxItems: 1
> +
>        opp-microvolt:
>          description: |
>            Voltage for the OPP

Applied. Thanks.
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Patch

diff --git a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
index 76c8acd981b3..66d0ec763f0b 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
@@ -50,6 +50,16 @@  patternProperties:
           property to uniquely identify the OPP nodes exists. Devices like power
           domains must have another (implementation dependent) property.
 
+          Entries for multiple clocks shall be provided in the same field, as
+          array of frequencies.  The OPP binding doesn't provide any provisions
+          to relate the values to their clocks or the order in which the clocks
+          need to be configured and that is left for the implementation
+          specific binding.
+        minItems: 1
+        maxItems: 16
+        items:
+          maxItems: 1
+
       opp-microvolt:
         description: |
           Voltage for the OPP