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Date:   Wed, 6 Sep 2023 13:39:46 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] arm64: dts: qcom: sm8550-mtp: use correct UFS supply

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

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