linux-kernel - Re: [PATCH 1/3] dt-bindings: phy: qcom,qmp-pcie: add optional current load properties

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Message-ID: <qvjtwilukxbeaxnbyzfkdsfkktm6p4yv3sgx3rbugpb6qkcbjy@rohvixslizhh>
Date: Thu, 5 Dec 2024 11:23:11 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Ziyue Zhang <quic_ziyuzhan@...cinc.com>
Cc: vkoul@...nel.org, kishon@...nel.org, dmitry.baryshkov@...aro.org, 
	abel.vesa@...aro.org, neil.armstrong@...aro.org, manivannan.sadhasivam@...aro.org, 
	andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: phy: qcom,qmp-pcie: add optional
 current load properties

On Wed, Dec 04, 2024 at 06:52:47PM +0800, Ziyue Zhang wrote:
> On some platforms, the power supply for PCIe PHY is not able to provide
> enough current when it works in LPM mode. Hence, PCIe PHY driver needs to
> set current load to vote the regulator to HPM mode.
> 
> Document the current load as properties for each power supply PCIe PHY
> required, namely vdda-phy-max-microamp, vdda-pll-max-microamp and
> vdda-qref-max-microamp, respectively.PCIe PHY driver should parse them to
> set appropriate current load during PHY power on.
> 
> This three properties are optional and not mandatory for those platforms
> that PCIe PHY can still work with power supply.


Uh uh, so the downstream comes finally!

No sorry guys, use existing regulator bindings for this.

Best regards,
Krzysztof