在 9/24/2023 3:12 AM, Dmitry Baryshkov 写道:
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
Hi Dmitry, This is related to the pinctrl support, UART support depend on pinctrl. I will separate this to another patch for clearer.
+ +&uart7 { + status = "okay"; +}; -- 2.17.1
-- Thx and BRs, Tengfei Fan
