Re: [PATCH 01/11] dt-bindings: firmware: arm,scmi: Document assigned-clocks and assigned-clock-rates

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On 3/17/23 00:26, Sudeep Holla wrote:
On Thu, Mar 16, 2023 at 03:34:17PM -0500, Rob Herring wrote:
+Stephen

On Wed, Mar 15, 2023 at 01:47:56PM +0200, Cristian Ciocaltea wrote:
Since commit df4fdd0db475 ("dt-bindings: firmware: arm,scmi: Restrict
protocol child node properties") the following dtbs_check warning is
shown:

   rk3588-rock-5b.dtb: scmi: protocol@14: Unevaluated properties are not allowed ('assigned-clock-rates', 'assigned-clocks' were unexpected)

I think that's a somewhat questionable use of assigned-clock-rates. It
should be located with the consumer rather than the provider IMO. The
consumers of those 2 clocks are the CPU nodes.


Agreed. We definitely don't use those in the scmi clk provider driver.
So NACK for the generic SCMI binding change.

According to [1], "configuration of common clocks, which affect multiple consumer devices can be similarly specified in the clock provider node".

That would avoid duplicating assigned-clock-rates in the CPU nodes.

[1] https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/clock/clock.yaml

Thanks,
Cristian



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