Re: [PATCH 1/6] arm64: dts: qcom: sm8550-mtp: use correct UFS supply

From: Krzysztof Kozlowski
Date: Wed Sep 06 2023 - 07:39:54 EST


On 06/09/2023 13:28, Konrad Dybcio wrote:
> On 6.09.2023 12:47, Krzysztof Kozlowski wrote:
>> According to schematics the VCCQ2 supply is not connected and the L3G
>> regulator instead powers up the controller pads (VDD_PX10). Use correct
>> supply vdd-hba and drop unsupported current limit for the vdd-hba.
> Why is it unsupported?

Maybe I was here not precise. I move the regulator from vccq2 to
vdd-hba. vccq2 has control of current in UFS core driver. Bindings also
allow it.

vdd-hba does not have current control in UFS (ignored) and bindings do
not allow such max-microamp property. Why? I don't know. That's how it
is done.

Best regards,
Krzysztof