| Message ID | 20240904-qcs8300_initial_dtsi-v1-17-d0ea9afdc007@quicinc.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add initial support for QCS8300 | expand |
On 04/09/2024 10:33, Jingyi Wang wrote: > Enable clock controller, interrconnect and pinctrl for QCS8300. NXP QCS8300? What is QCS8300? Which products use it? That's a defconfig for entire kernel, not your Qualcomm one. > It needs to be built-in for UART to provide a console. > > Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> > --- > arch/arm64/configs/defconfig | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index 81ca46e3ab4b..a9ba6b25a0ed 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -606,6 +606,7 @@ CONFIG_PINCTRL_MSM8996=y > CONFIG_PINCTRL_MSM8998=y > CONFIG_PINCTRL_QCM2290=y > CONFIG_PINCTRL_QCS404=y > +CONFIG_PINCTRL_QCS8300=y > CONFIG_PINCTRL_QDF2XXX=y > CONFIG_PINCTRL_QDU1000=y > CONFIG_PINCTRL_SA8775P=y > @@ -1317,6 +1318,7 @@ CONFIG_MSM_MMCC_8998=m > CONFIG_QCM_GCC_2290=y > CONFIG_QCM_DISPCC_2290=m > CONFIG_QCS_GCC_404=y > +CONFIG_QCS_GCC_8300=y > CONFIG_QDU_GCC_1000=y > CONFIG_SC_CAMCC_8280XP=m > CONFIG_SC_DISPCC_7280=m > @@ -1618,6 +1620,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8996=y > CONFIG_INTERCONNECT_QCOM_OSM_L3=m > CONFIG_INTERCONNECT_QCOM_QCM2290=y > CONFIG_INTERCONNECT_QCOM_QCS404=m > +CONFIG_INTERCONNECT_QCOM_QCS8300=y Why this cannot be a module? Best regards, Krzysztof
On 9/4/2024 5:39 PM, Krzysztof Kozlowski wrote: > On 04/09/2024 10:33, Jingyi Wang wrote: >> Enable clock controller, interrconnect and pinctrl for QCS8300. > > NXP QCS8300? What is QCS8300? Which products use it? That's a defconfig > for entire kernel, not your Qualcomm one. > Will describe it in more detail. >> It needs to be built-in for UART to provide a console. >> >> Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> >> --- >> arch/arm64/configs/defconfig | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig >> index 81ca46e3ab4b..a9ba6b25a0ed 100644 >> --- a/arch/arm64/configs/defconfig >> +++ b/arch/arm64/configs/defconfig >> @@ -606,6 +606,7 @@ CONFIG_PINCTRL_MSM8996=y >> CONFIG_PINCTRL_MSM8998=y >> CONFIG_PINCTRL_QCM2290=y >> CONFIG_PINCTRL_QCS404=y >> +CONFIG_PINCTRL_QCS8300=y >> CONFIG_PINCTRL_QDF2XXX=y >> CONFIG_PINCTRL_QDU1000=y >> CONFIG_PINCTRL_SA8775P=y >> @@ -1317,6 +1318,7 @@ CONFIG_MSM_MMCC_8998=m >> CONFIG_QCM_GCC_2290=y >> CONFIG_QCM_DISPCC_2290=m >> CONFIG_QCS_GCC_404=y >> +CONFIG_QCS_GCC_8300=y >> CONFIG_QDU_GCC_1000=y >> CONFIG_SC_CAMCC_8280XP=m >> CONFIG_SC_DISPCC_7280=m >> @@ -1618,6 +1620,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8996=y >> CONFIG_INTERCONNECT_QCOM_OSM_L3=m >> CONFIG_INTERCONNECT_QCOM_QCM2290=y >> CONFIG_INTERCONNECT_QCOM_QCS404=m >> +CONFIG_INTERCONNECT_QCOM_QCS8300=y > > Why this cannot be a module? > > I think the commit-msg "It needs to be built-in for UART to provide a console." can explain that, could you please help to share your insights on that? > > Best regards, > Krzysztof > Thanks, Jingyi
On Thu, Sep 05, 2024 at 12:54:35PM GMT, Jingyi Wang wrote: > > > On 9/4/2024 5:39 PM, Krzysztof Kozlowski wrote: > > On 04/09/2024 10:33, Jingyi Wang wrote: > >> Enable clock controller, interrconnect and pinctrl for QCS8300. > > > > NXP QCS8300? What is QCS8300? Which products use it? That's a defconfig > > for entire kernel, not your Qualcomm one. > > > Will describe it in more detail. > >> It needs to be built-in for UART to provide a console. > >> > >> Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> > >> --- > >> arch/arm64/configs/defconfig | 3 +++ > >> 1 file changed, 3 insertions(+) > >> > >> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > >> index 81ca46e3ab4b..a9ba6b25a0ed 100644 > >> --- a/arch/arm64/configs/defconfig > >> +++ b/arch/arm64/configs/defconfig > >> @@ -606,6 +606,7 @@ CONFIG_PINCTRL_MSM8996=y > >> CONFIG_PINCTRL_MSM8998=y > >> CONFIG_PINCTRL_QCM2290=y > >> CONFIG_PINCTRL_QCS404=y > >> +CONFIG_PINCTRL_QCS8300=y > >> CONFIG_PINCTRL_QDF2XXX=y > >> CONFIG_PINCTRL_QDU1000=y > >> CONFIG_PINCTRL_SA8775P=y > >> @@ -1317,6 +1318,7 @@ CONFIG_MSM_MMCC_8998=m > >> CONFIG_QCM_GCC_2290=y > >> CONFIG_QCM_DISPCC_2290=m > >> CONFIG_QCS_GCC_404=y > >> +CONFIG_QCS_GCC_8300=y > >> CONFIG_QDU_GCC_1000=y > >> CONFIG_SC_CAMCC_8280XP=m > >> CONFIG_SC_DISPCC_7280=m > >> @@ -1618,6 +1620,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8996=y > >> CONFIG_INTERCONNECT_QCOM_OSM_L3=m > >> CONFIG_INTERCONNECT_QCOM_QCM2290=y > >> CONFIG_INTERCONNECT_QCOM_QCS404=m > >> +CONFIG_INTERCONNECT_QCOM_QCS8300=y > > > > Why this cannot be a module? > > > > > I think the commit-msg "It needs to be built-in for UART to provide a console." can > explain that, could you please help to share your insights on that? Unless loading these modules from initramfs doesn't work, please use =m. The drivers that are enabled here are going to be enabled for everybody using arm64 defconfig, taking up memory on their platforms, etc.
Hi Dmitry, On 9/6/2024 11:18 AM, Dmitry Baryshkov wrote: > On Thu, Sep 05, 2024 at 12:54:35PM GMT, Jingyi Wang wrote: >> >> >> On 9/4/2024 5:39 PM, Krzysztof Kozlowski wrote: >>> On 04/09/2024 10:33, Jingyi Wang wrote: >>>> Enable clock controller, interrconnect and pinctrl for QCS8300. >>> >>> NXP QCS8300? What is QCS8300? Which products use it? That's a defconfig >>> for entire kernel, not your Qualcomm one. >>> >> Will describe it in more detail. >>>> It needs to be built-in for UART to provide a console. >>>> >>>> Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> >>>> --- >>>> arch/arm64/configs/defconfig | 3 +++ >>>> 1 file changed, 3 insertions(+) >>>> >>>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig >>>> index 81ca46e3ab4b..a9ba6b25a0ed 100644 >>>> --- a/arch/arm64/configs/defconfig >>>> +++ b/arch/arm64/configs/defconfig >>>> @@ -606,6 +606,7 @@ CONFIG_PINCTRL_MSM8996=y >>>> CONFIG_PINCTRL_MSM8998=y >>>> CONFIG_PINCTRL_QCM2290=y >>>> CONFIG_PINCTRL_QCS404=y >>>> +CONFIG_PINCTRL_QCS8300=y >>>> CONFIG_PINCTRL_QDF2XXX=y >>>> CONFIG_PINCTRL_QDU1000=y >>>> CONFIG_PINCTRL_SA8775P=y >>>> @@ -1317,6 +1318,7 @@ CONFIG_MSM_MMCC_8998=m >>>> CONFIG_QCM_GCC_2290=y >>>> CONFIG_QCM_DISPCC_2290=m >>>> CONFIG_QCS_GCC_404=y >>>> +CONFIG_QCS_GCC_8300=y >>>> CONFIG_QDU_GCC_1000=y >>>> CONFIG_SC_CAMCC_8280XP=m >>>> CONFIG_SC_DISPCC_7280=m >>>> @@ -1618,6 +1620,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8996=y >>>> CONFIG_INTERCONNECT_QCOM_OSM_L3=m >>>> CONFIG_INTERCONNECT_QCOM_QCM2290=y >>>> CONFIG_INTERCONNECT_QCOM_QCS404=m >>>> +CONFIG_INTERCONNECT_QCOM_QCS8300=y >>> >>> Why this cannot be a module? >>> >>> >> I think the commit-msg "It needs to be built-in for UART to provide a console." can >> explain that, could you please help to share your insights on that? > > Unless loading these modules from initramfs doesn't work, please use =m. > The drivers that are enabled here are going to be enabled for everybody > using arm64 defconfig, taking up memory on their platforms, etc. > We had previous discussion here about why these drivers needs to be built-in to support debug-uart: https://lore.kernel.org/linux-arm-msm/c11fd3c2-770a-4d40-8cf3-d8bc81f7c480@kernel.org/ I will mention more details in the commit message of this patch. Thanks, Jingyi
On Fri, 6 Sept 2024 at 09:15, Jingyi Wang <quic_jingyw@quicinc.com> wrote: > > Hi Dmitry, > > On 9/6/2024 11:18 AM, Dmitry Baryshkov wrote: > > On Thu, Sep 05, 2024 at 12:54:35PM GMT, Jingyi Wang wrote: > >> > >> > >> On 9/4/2024 5:39 PM, Krzysztof Kozlowski wrote: > >>> On 04/09/2024 10:33, Jingyi Wang wrote: > >>>> Enable clock controller, interrconnect and pinctrl for QCS8300. > >>> > >>> NXP QCS8300? What is QCS8300? Which products use it? That's a defconfig > >>> for entire kernel, not your Qualcomm one. > >>> > >> Will describe it in more detail. > >>>> It needs to be built-in for UART to provide a console. > >>>> > >>>> Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> > >>>> --- > >>>> arch/arm64/configs/defconfig | 3 +++ > >>>> 1 file changed, 3 insertions(+) > >>>> > >>>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > >>>> index 81ca46e3ab4b..a9ba6b25a0ed 100644 > >>>> --- a/arch/arm64/configs/defconfig > >>>> +++ b/arch/arm64/configs/defconfig > >>>> @@ -606,6 +606,7 @@ CONFIG_PINCTRL_MSM8996=y > >>>> CONFIG_PINCTRL_MSM8998=y > >>>> CONFIG_PINCTRL_QCM2290=y > >>>> CONFIG_PINCTRL_QCS404=y > >>>> +CONFIG_PINCTRL_QCS8300=y > >>>> CONFIG_PINCTRL_QDF2XXX=y > >>>> CONFIG_PINCTRL_QDU1000=y > >>>> CONFIG_PINCTRL_SA8775P=y > >>>> @@ -1317,6 +1318,7 @@ CONFIG_MSM_MMCC_8998=m > >>>> CONFIG_QCM_GCC_2290=y > >>>> CONFIG_QCM_DISPCC_2290=m > >>>> CONFIG_QCS_GCC_404=y > >>>> +CONFIG_QCS_GCC_8300=y > >>>> CONFIG_QDU_GCC_1000=y > >>>> CONFIG_SC_CAMCC_8280XP=m > >>>> CONFIG_SC_DISPCC_7280=m > >>>> @@ -1618,6 +1620,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8996=y > >>>> CONFIG_INTERCONNECT_QCOM_OSM_L3=m > >>>> CONFIG_INTERCONNECT_QCOM_QCM2290=y > >>>> CONFIG_INTERCONNECT_QCOM_QCS404=m > >>>> +CONFIG_INTERCONNECT_QCOM_QCS8300=y > >>> > >>> Why this cannot be a module? > >>> > >>> > >> I think the commit-msg "It needs to be built-in for UART to provide a console." can > >> explain that, could you please help to share your insights on that? > > > > Unless loading these modules from initramfs doesn't work, please use =m. > > The drivers that are enabled here are going to be enabled for everybody > > using arm64 defconfig, taking up memory on their platforms, etc. > > > We had previous discussion here about why these drivers needs to be built-in to support > debug-uart: > https://lore.kernel.org/linux-arm-msm/c11fd3c2-770a-4d40-8cf3-d8bc81f7c480@kernel.org/ > I will mention more details in the commit message of this patch. Yes, please. Explicitly mention that this is required to get UART to work.
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 81ca46e3ab4b..a9ba6b25a0ed 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -606,6 +606,7 @@ CONFIG_PINCTRL_MSM8996=y CONFIG_PINCTRL_MSM8998=y CONFIG_PINCTRL_QCM2290=y CONFIG_PINCTRL_QCS404=y +CONFIG_PINCTRL_QCS8300=y CONFIG_PINCTRL_QDF2XXX=y CONFIG_PINCTRL_QDU1000=y CONFIG_PINCTRL_SA8775P=y @@ -1317,6 +1318,7 @@ CONFIG_MSM_MMCC_8998=m CONFIG_QCM_GCC_2290=y CONFIG_QCM_DISPCC_2290=m CONFIG_QCS_GCC_404=y +CONFIG_QCS_GCC_8300=y CONFIG_QDU_GCC_1000=y CONFIG_SC_CAMCC_8280XP=m CONFIG_SC_DISPCC_7280=m @@ -1618,6 +1620,7 @@ CONFIG_INTERCONNECT_QCOM_MSM8996=y CONFIG_INTERCONNECT_QCOM_OSM_L3=m CONFIG_INTERCONNECT_QCOM_QCM2290=y CONFIG_INTERCONNECT_QCOM_QCS404=m +CONFIG_INTERCONNECT_QCOM_QCS8300=y CONFIG_INTERCONNECT_QCOM_QDU1000=y CONFIG_INTERCONNECT_QCOM_SA8775P=y CONFIG_INTERCONNECT_QCOM_SC7180=y
Enable clock controller, interrconnect and pinctrl for QCS8300. It needs to be built-in for UART to provide a console. Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com> --- arch/arm64/configs/defconfig | 3 +++ 1 file changed, 3 insertions(+)