Re: [PATCH 14/16] arm64: dts: qcom: shikra: Enable BT support on EVK boards
From: Dmitry Baryshkov
Date: Thu May 28 2026 - 01:34:06 EST
On Wed, May 27, 2026 at 06:53:30PM +0530, Yepuri Siddu wrote:
>
>
> On 5/25/2026 3:01 PM, Dmitry Baryshkov wrote:
> > On Mon, May 25, 2026 at 01:19:18AM +0530, Komal Bajaj wrote:
> > > From: Yepuri Siddu <ysiddu@xxxxxxxxxxxxxxxx>
> > >
> > > Enable uart8 and add WCN3988 Bluetooth node with board-specific regulator
> > > supplies across CQM, CQS and IQS Shikra EVK boards.
> > >
> > > Signed-off-by: Yepuri Siddu <yepuri.siddu@xxxxxxxxxxxxxxxx>
> > > Signed-off-by: Komal Bajaj <komal.bajaj@xxxxxxxxxxxxxxxx>
> > > ---
> > > arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts | 12 ++++++++++++
> > > arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts | 12 ++++++++++++
> > > arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 20 ++++++++++++++++++++
> > > arch/arm64/boot/dts/qcom/shikra.dtsi | 7 +++++++
> > > 4 files changed, 51 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> > > index b112b21b1d79..259032bd20af 100644
> > > --- a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> > > +++ b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> > > @@ -16,6 +16,7 @@ / {
> > > aliases {
> > > mmc0 = &sdhc_1;
> > > serial0 = &uart0;
> > > + serial1 = &uart8;
> > > };
> > > chosen {
> > > @@ -57,3 +58,14 @@ &sdhc_1 {
> > > status = "okay";
> > > };
> > > +
> > > +&uart8 {
> > > + status = "okay";
> > > +
> > > + bluetooth {
> > > + vddio-supply = <&pm4125_l7>;
> > > + vddxo-supply = <&pm4125_l13>;
> > > + vddrf-supply = <&pm4125_l10>;
> > > + vddch0-supply = <&pm4125_l22>;
> >
> > Use the modern (PMU) bindings. Also please add WiFi.
> The modern PMU support for the WCN39xx family is currently not available in
> hci qca driver, that is why we have defined the regulators directly within
> the Bluetooth node.
Of course it is, see commit 9f168e4de5fd ("Bluetooth: qca: enable pwrseq
support for WCN39xx devices").
--
With best wishes
Dmitry