On 12/31/25 12:35 AM, Dmitry Baryshkov wrote:
> Specify power supply for the second chain / antenna output of the
> onboard WiFi chip.
>
> Fixes: 3f72e2d3e682 ("arm64: dts: qcom: Add Dragonboard 845c")
> Signed-off-by: Dmitry Baryshkov <[email protected]>
> ---
I don't have schematics nearby, but jfyi downstream doesn't do that
> arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> index ad283a79bcdb..5118b776a9bb 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> @@ -379,6 +379,12 @@ vreg_l21a_2p95: ldo21 {
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> };
>
> + vreg_l23a_3p3: ldo23 {
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3312000>;
Do we benefit from the 0.012V spread?
(i.e. is there anything else on this rail?)
Konrad