Re: [PATCH RFC v4 6/7] arm64: dts: qcom: nord-rrd: Add WCN7850 WLAN support
From: Abel Vesa
Date: Mon Nov 02 2026 - 08:20:07 EST
On 26-10-31 22:24:32, Shawn Guo wrote:
> From: "Yu Zhang(Yuriy)" <yu.zhang@xxxxxxxxxxxxxxxx>
>
> The Nord RRD carries a QCA6797AQ (WCN7850) LGA module on a
> connectivity adapter card hanging off PCIe2. Three PMIC GPIOs gate the
> module supplies: PWR_CORE (pmau0102_e GPIO6) enables the DBU_CORE_VL,
> DBU_CORE_VM and DBU_CORE_VH regulators feeding VDD_CORE_VL/VM/VH,
> PWR_CTRL1 (pmau0102_e GPIO8) enables DBU4, which produces the 3.3 V rail,
> and PWR_CTRL2 (pmau0102_e GPIO7) enables the 1.9 V rail.
>
> Describe those rails, the WCN7850 PMU that derives the chip supplies from
> them, and the PCIe endpoint node consuming the PMU outputs.
>
> Signed-off-by: Yu Zhang (Yuriy) <yu.zhang@xxxxxxxxxxxxxxxx>
> Signed-off-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx>
Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>