Re: [PATCH v6 11/21] dt-bindings: clock: Add StarFive JH7110 system clock and reset generator

[Stephen Boyd]

Quoting Conor Dooley (2023-03-22 14:53:37)
> 
> This leaves me wondering which clocks are *actually* required for a
> functioning system - is it actually just osc and one of gmac1_rmii_refin
> or gmac1_rgmii_rxin.
> 
> I really don't want you to have to go and spell out every combination of
> clocks to have some sort of validation here.
> 
> Stephen, Rob or Krzysztof, do you have any guidance on this situation
> (assuming I've not made a fool of myself)? There's probably something
> "obvious" that I'm missing, as I am sure this is not a unique problem.
> 

You can always use '<0>' if the pad isn't connected for that clk input.
It's not great, but it works, so there's an escape hatch if you need it.