On Thu, Jan 28, 2021 at 01:15:22PM -0600, Rob Herring wrote:
> On Thu, Jan 28, 2021 at 11:52 AM Dmitry Baryshkov
> <dmitry.baryshkov@xxxxxxxxxx> wrote:
> >
> > From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> >
> > Add Bluetooth support on RB5 using the onboard QCA6391 WLAN+BT chipset.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > [DB: added qca6391 power domain, removed s2f regulator]
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > ---
> > arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 29 ++++++++++++++++++++++++
> > 1 file changed, 29 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > index b39a9729395f..c65c13994a86 100644
> > --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > @@ -19,6 +19,7 @@ / {
> > compatible = "qcom,qrb5165-rb5", "qcom,sm8250";
> >
> > aliases {
> > + hsuart0 = &uart6;
>
> Serial devices should be 'serialN'. Don't add custom aliases.
>
Sorry, this is needed by the serial driver:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/tty/serial/qcom_geni_serial.c#n1364
Thanks,
Mani
> > serial0 = &uart12;
> > sdhc2 = &sdhc_2;
>
> BTW, this should be dropped too.
>
> > };
> > @@ -689,6 +690,26 @@ &pm8150_rtc {
> > status = "okay";
> > };
> >
> > +&qup_uart6_default {
> > + ctsrx {
> > + pins = "gpio16", "gpio19";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rts {
> > + pins = "gpio17";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + tx {
> > + pins = "gpio18";
> > + drive-strength = <2>;
> > + bias-pull-up;
> > + };
> > +};
> > +
> > &qupv3_id_0 {
> > status = "okay";
> > };
> > @@ -1194,6 +1215,14 @@ wlan-en {
> > };
> > };
> >
> > +&uart6 {
> > + status = "okay";
> > + bluetooth {
> > + compatible = "qcom,qca6390-bt";
> > + power-domains = <&qca6391>;
> > + };
> > +};
> > +
> > &uart12 {
> > status = "okay";
> > };
> > --
> > 2.29.2
> >
