[PATCH v4 5/6] arm64: dts: qcom: sm4450-qrd: add QRD4450 uart support
Tengfei Fan
quic_tengfan at quicinc.com
Sun Sep 24 17:39:49 PDT 2023
在 9/24/2023 3:12 AM, Dmitry Baryshkov 写道:
> On Fri, 22 Sept 2023 at 11:13, Tengfei Fan <quic_tengfan at quicinc.com> wrote:
>>
>> Add uart support for QRD4450 for enable uart console.
>>
>> Signed-off-by: Tengfei Fan <quic_tengfan at quicinc.com>
>> ---
>> 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
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