2023-09-22 12:30:36

by Tengfei Fan

Subject: [PATCH v4 5/6] arm64: dts: qcom: sm4450-qrd: add QRD4450 uart support

Add uart support for QRD4450 for enable uart console.

Signed-off-by: Tengfei Fan <[email protected]>
---
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>;
+};
+
+&uart7 {
+ status = "okay";
+};
--
2.17.1

2023-09-23 22:15:19

by Dmitry Baryshkov

Subject: Re: [PATCH v4 5/6] arm64: dts: qcom: sm4450-qrd: add QRD4450 uart support

On Fri, 22 Sept 2023 at 11:13, Tengfei Fan <[email protected]> wrote:
>
> Add uart support for QRD4450 for enable uart console.
>
> Signed-off-by: Tengfei Fan <[email protected]>
> ---
> 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

2023-09-25 04:41:29

by Tengfei Fan

Subject: Re: [PATCH v4 5/6] arm64: dts: qcom: sm4450-qrd: add QRD4450 uart support

在 9/24/2023 3:12 AM, Dmitry Baryshkov 写道:
> On Fri, 22 Sept 2023 at 11:13, Tengfei Fan <[email protected]> wrote:
>>
>> Add uart support for QRD4450 for enable uart console.
>>
>> Signed-off-by: Tengfei Fan <[email protected]>
>> ---
>> 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