From: Johan Hovold <johan@kernel.org>
To: Stephan Gerhold <stephan.gerhold@linaro.org>
Cc: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Abel Vesa <abel.vesa@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: Re: [PATCH 3/3] arm64: dts: qcom: x1e80100-qcp: Add WiFi/BT pwrseq
Date: Thu, 10 Oct 2024 11:34:44 +0200 [thread overview]
Message-ID: <ZweftESPrJNEsqGE@hovoldconsulting.com> (raw)
In-Reply-To: <20241007-x1e80100-pwrseq-qcp-v1-3-f7166510ab17@linaro.org>
On Mon, Oct 07, 2024 at 08:22:27PM +0200, Stephan Gerhold wrote:
> Add the WiFi/BT nodes for QCP 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.
>
> The same setup also works for CRD (and likely most of the other X1E80100
> laptops). However, unlike the QCP they use soldered or removable M.2 cards
> supplied by a single 3.3V fixed regulator. The other necessary voltages are
> then derived inside the M.2 card. Describing this properly requires
> new bindings, so this commit only adds QCP for now.
Based on our discussions it seems we do not really need to describe the
internal PMU at all for WCN7850 (as the bluetooth and wlan blocks can be
enabled indepdendently) so perhaps we can just restore the old binding
and drop most of this boilerplate for all boards.
Johan
next prev parent reply other threads:[~2024-10-10 9:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 18:22 [PATCH 0/3] arm64: dts: qcom: x1e80100-qcp: Add WiFi/BT pwrseq Stephan Gerhold
2024-10-07 18:22 ` [PATCH 1/3] arm64: dts: qcom: x1e80100: Add QUP power domains and OPPs Stephan Gerhold
2024-10-10 9:29 ` Johan Hovold
2024-10-07 18:22 ` [PATCH 2/3] arm64: dts: qcom: x1e80100: Add uart14 Stephan Gerhold
2024-10-10 9:31 ` Johan Hovold
2024-12-26 22:38 ` (subset) " Bjorn Andersson
2024-10-07 18:22 ` [PATCH 3/3] arm64: dts: qcom: x1e80100-qcp: Add WiFi/BT pwrseq Stephan Gerhold
2024-10-10 9:34 ` Johan Hovold [this message]
2024-10-11 10:11 ` Stephan Gerhold
2024-10-15 12:27 ` Johan Hovold
2024-10-16 15:34 ` Stephan Gerhold
2024-10-17 9:28 ` Bartosz Golaszewski
2024-10-17 10:59 ` Mark Brown
2024-10-17 11:28 ` Bartosz Golaszewski
2024-10-17 12:00 ` Mark Brown
2024-10-17 12:21 ` Bartosz Golaszewski
2024-10-17 13:22 ` Mark Brown
2024-12-26 22:38 ` (subset) [PATCH 0/3] " Bjorn Andersson
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