Add eusb2 repeater tuning parameters for MTP platform.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
index c8cb521b4c26..b9a4d1c99816 100644
--- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
@@ -1041,6 +1041,10 @@ wifi@0 {
 &pmih0108_eusb2_repeater {
 	status = "okay";
 
+	qcom,tune-usb2-preem = /bits/ 8 <0x3>;
+	qcom,tune-usb2-amplitude = /bits/ 8 <0xa>;
+	qcom,squelch-detector-bp = <(-2000)>;
+
 	vdd18-supply = <&vreg_l15b_1p8>;
 	vdd3-supply = <&vreg_l5b_3p1>;
 };
-- 
2.34.1

On 12/4/25 5:46 AM, Krishna Kurapati wrote:
> Add eusb2 repeater tuning parameters for MTP platform.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
> index c8cb521b4c26..b9a4d1c99816 100644
> --- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
> @@ -1041,6 +1041,10 @@ wifi@0 {
>  &pmih0108_eusb2_repeater {
>  	status = "okay";
>  
> +	qcom,tune-usb2-preem = /bits/ 8 <0x3>;
> +	qcom,tune-usb2-amplitude = /bits/ 8 <0xa>;
> +	qcom,squelch-detector-bp = <(-2000)>;

This happens to be the only(?) node in this file that has status first
instead of last. May I ask you to fix that up, since it's even visible
in the diff?

Also, does the QRD also need a similar update?

Konrad

> +
>  	vdd18-supply = <&vreg_l15b_1p8>;
>  	vdd3-supply = <&vreg_l5b_3p1>;
>  };

On 12/5/2025 7:03 PM, Konrad Dybcio wrote:
> On 12/4/25 5:46 AM, Krishna Kurapati wrote:
>> Add eusb2 repeater tuning parameters for MTP platform.
>>
>> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
>> index c8cb521b4c26..b9a4d1c99816 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
>> +++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
>> @@ -1041,6 +1041,10 @@ wifi@0 {
>>   &pmih0108_eusb2_repeater {
>>   	status = "okay";
>>   
>> +	qcom,tune-usb2-preem = /bits/ 8 <0x3>;
>> +	qcom,tune-usb2-amplitude = /bits/ 8 <0xa>;
>> +	qcom,squelch-detector-bp = <(-2000)>;
> 
> This happens to be the only(?) node in this file that has status first
> instead of last. May I ask you to fix that up, since it's even visible
> in the diff?
> 
> Also, does the QRD also need a similar update?
> 

Will fix it up in next revision.

And for QRD, I don't see any updated override params in qrd downstream.

Regards,
Krishna,

> Konrad
> 
>> +
>>   	vdd18-supply = <&vreg_l15b_1p8>;
>>   	vdd3-supply = <&vreg_l5b_3p1>;
>>   };

On 25-12-04 10:16:44, Krishna Kurapati wrote:
> Add eusb2 repeater tuning parameters for MTP platform.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>

LGTM.

Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>