Re: [PATCH v3 7/8] arm64: dts: qcom: sdm845-db845c: describe WiFi/BT properly

David Heidelberg
2026-03-26T00:02:18Z

On 19/01/2026 18:08, Dmitry Baryshkov wrote:

[...]

> + wcn3990-pmu {
> + compatible = "qcom,wcn3990-pmu";
> +
> + pinctrl-0 = <&sw_ctrl_default>;
> + pinctrl-names = "default";
> +
> + vddio-supply = <&vreg_s4a_1p8>;
> + vddxo-supply = <&vreg_l7a_1p8>;
> + vddrf-supply = <&vreg_l17a_1p3>;
> + vddch0-supply = <&vreg_l25a_3p3>;
> + vddch1-supply = <&vreg_l23a_3p3>;
> +
> + swctrl-gpios = <&pm8998_gpios 3 GPIO_ACTIVE_HIGH>;

Do you know if the GPIO is common for whole sdm845, or it's only recommended as
reference design, or nothing?

I did test defaulting to GPIO 3 on Pixel 3 and WiFi works as before, but since
previous downstream kernel didn't touched GPIO 3 at all, I'm worried about
toggling unrelated GPIO.

Thanks!
David

> +
> + regulators {
> + vreg_pmu_io: ldo0 {
> + regulator-name = "vreg_pmu_io";
> + };
> +
> + vreg_pmu_xo: ldo1 {
> + regulator-name = "vreg_pmu_xo";
> + };
> +
> + vreg_pmu_rf: ldo2 {
> + regulator-name = "vreg_pmu_rf";
> + };
> +
> + vreg_pmu_ch0: ldo3 {
> + regulator-name = "vreg_pmu_ch0";
> + };
> +
> + vreg_pmu_ch1: ldo4 {
> + regulator-name = "vreg_pmu_ch1";
> + };

--
David Heidelberg