On Fri, 22 Sept 2023 at 11:13, Tengfei Fan <quic_tengfan@xxxxxxxxxxx> wrote: > > Add uart support for QRD4450 for enable uart console. > > Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx> > --- > arch/arm64/boot/dts/qcom/sm4450-qrd.dts | 19 +++++++++++++++++-- > 1 file changed, 17 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/sm4450-qrd.dts b/arch/arm64/boot/dts/qcom/sm4450-qrd.dts > index 00a1c81ca397..e354bad57a9e 100644 > --- a/arch/arm64/boot/dts/qcom/sm4450-qrd.dts > +++ b/arch/arm64/boot/dts/qcom/sm4450-qrd.dts > @@ -10,9 +10,24 @@ > model = "Qualcomm Technologies, Inc. SM4450 QRD"; > compatible = "qcom,sm4450-qrd", "qcom,sm4450"; > > - aliases { }; > + aliases { > + serial0 = &uart7; > + }; > > chosen { > - bootargs = "console=hvc0"; > + stdout-path = "serial0:115200n8"; > }; > }; > + > +&qupv3_id_0 { > + status = "okay"; > +}; > + > +&tlmm { > + /* Reserved for other subsystems */ > + gpio-reserved-ranges = <0 4>, <136 1>; > +}; Is this also related to the UART support? it looks like it is a separate patch, which should likely have the Fixes tag > + > +&uart7 { > + status = "okay"; > +}; > -- > 2.17.1 > -- With best wishes Dmitry