linux-kernel - Re: [PATCH v2 1/1] arm64: dts: qcom: x1e80100-dell-xps-9345: Add WiFi/BT pwrseq

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Message-ID: <Z-pN1qloL2m4BWaq@hovoldconsulting.com>
Date: Mon, 31 Mar 2025 10:09:58 +0200
From: Johan Hovold <johan@...nel.org>
To: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
Cc: Bjorn Andersson <bjorn.andersson@....qualcomm.com>,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, laurentiu.tudor1@...l.com,
	dmitry.baryshkov@....qualcomm.com,
	Stephan Gerhold <stephan.gerhold@...aro.org>
Subject: Re: [PATCH v2 1/1] arm64: dts: qcom: x1e80100-dell-xps-9345: Add
 WiFi/BT pwrseq

[ +CC: Stephan ]

On Mon, Mar 31, 2025 at 08:33:47AM +0100, Aleksandrs Vinarskis wrote:
> Add the WiFi/BT nodes for XPS and describe the regulators for the WCN7850
> combo chip using the new power sequencing bindings. All voltages are
> derived from chained fixed regulators controlled using a single GPIO.
> 
> Based on the commit d09ab685a8f5 ("arm64: dts: qcom: x1e80100-qcp: Add
> WiFi/BT pwrseq").

Are you sure this is correct and that you don't need to worry about the
"how do we model the supplies to an M.2 card" issue?

See

	https://lore.kernel.org/lkml/Z-KuG0aOwEnxuhp9@linaro.org/

> With that fixed commit f5b788d0e8cd ("arm64: dts: qcom: Add support for
> X1-based Dell XPS 13 9345")

Not sure what happened here.
 
Johan