Re: [PATCH v2 2/4] arm64: dts: qcom: sm6350: Add camera clock controller

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On 27/01/2023 13:11, Luca Weiss wrote:
Doh I meant to say a power-domain to an mmcx a la

power-domains = <&rpmhpd SM8250_MMCX>;
required-opps = <&rpmhpd_opp_low_svs>;

TITAN_TOP should be in your cci and camss dt nodes.
Okay, that makes more sense.

What I don't quite understand is why sm8250 only has MMCX listed there
since downstream has both vdd_mx-supply = <&VDD_MX_LEVEL> and
vdd_mm-supply = <&VDD_MMCX_LEVEL> and both "supplies" are used for
different clocks using .vdd_class

power-domains = <&rpmhpd SM8250_MMCX>; == MMCX_LEVEL required for camcc
power-domains = <&camcc TITAN_TOP_GDSC>; required for cci/camss

now that you ask the question about MX_LEVEL you're making me doubt we have a 100% complete representation upstream TB perfectly honest, warrants a deep dive..

I just remember that on 8250 we tripped over MMCX not being switched on when - display I think was switched off.

---
bod




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