Re: [PATCH 3/3] arm64: dts: qcom: x1e80100-qcp: Add WiFi/BT pwrseq

[Johan Hovold]

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