linux-kernel - Re: (subset) [PATCH v2 00/14] power: sequencing: extend WCN driver to support WCN399x device

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Message-ID: <176777447710.14370.7888531422852179019.b4-ty@oss.qualcomm.com>
Date: Wed,  7 Jan 2026 09:28:00 +0100
From: Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bartosz Golaszewski <brgl@...nel.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Jeff Johnson <jjohnson@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Balakrishna Godavarthi <quic_bgodavar@...cinc.com>,
        Matthias Kaehlcke <mka@...omium.org>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-wireless@...r.kernel.org, ath10k@...ts.infradead.org,
        linux-pm@...r.kernel.org, Krzysztof Kozlowski <krzk@...nel.org>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: (subset) [PATCH v2 00/14] power: sequencing: extend WCN driver to support WCN399x device


On Tue, 06 Jan 2026 03:01:10 +0200, Dmitry Baryshkov wrote:
> Qualcomm WCN3950, WCN3988 and WCN399x families of WiFi/BT chips preceed
> the later WCN / QCA devices, but they still incorporate a very simple
> PMU on die. It controls internal on-chip power networks, but, most
> importantly, it also requires a certain start-up procedure (first bring
> up VDD_IO, then bring up other voltages). In order to further unify code
> supporting different families of QCA / WCN chips and in order to
> maintain the required power up sequence, properly represent these chips
> in DTs and modify drivers to use power sequencing for these chips.
> 
> [...]

Applied, thanks!

[01/14] regulator: dt-bindings: qcom,wcn3990-pmu: describe PMUs on WCN39xx
        commit: a5fae429ec2ac72372bc874a0334a7fb9eadee83
[05/14] power: sequencing: qcom-wcn: add support for WCN39xx
        commit: 0eb85f468ef515fbd2538375ef3884f6dd376382

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>