[PATCH] arm64: dts: qcom: sm8450: Update SNPS Phy parameters for QRD platform

Udipto Goswami posted 1 patch 1 year, 10 months ago
There is a newer version of this series
arch/arm64/boot/dts/qcom/sm8450-qrd.dts | 8 ++++++++
1 file changed, 8 insertions(+)
[PATCH] arm64: dts: qcom: sm8450: Update SNPS Phy parameters for QRD platform
Posted by Udipto Goswami 1 year, 10 months ago
Update SNPS Phy tuning parameters for sm8450 QRD platform to fix
electrical compliance failures.

Signed-off-by: Udipto Goswami <quic_ugoswami@quicinc.com>
---
 arch/arm64/boot/dts/qcom/sm8450-qrd.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
index c7d05945aa51..7b62ead68e77 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
@@ -467,6 +467,14 @@
 	vdda-pll-supply = <&vreg_l5b_0p88>;
 	vdda18-supply = <&vreg_l1c_1p8>;
 	vdda33-supply = <&vreg_l2b_3p07>;
+	qcom,squelch-detector-bp = <(-2090)>;
+	qcom,hs-disconnect-bp = <1743>;
+	qcom,pre-emphasis-amplitude-bp = <40000>;
+	qcom,pre-emphasis-duration-bp = <20000>;
+	qcom,hs-amplitude-bp = <2000>;
+	qcom,hs-output-impedance-micro-ohms = <2600000>;
+	qcom,hs-crossover-voltage-microvolt = <(-31000)>;
+	qcom,hs-rise-fall-time-bp = <(-4100)>;
 };
 
 &usb_1_qmpphy {
-- 
2.17.1
Re: [PATCH] arm64: dts: qcom: sm8450: Update SNPS Phy parameters for QRD platform
Posted by Udipto Goswami 1 year, 10 months ago
Hi All,

On 3/19/2024 7:05 PM, Udipto Goswami wrote:
> Update SNPS Phy tuning parameters for sm8450 QRD platform to fix
> electrical compliance failures.
> 
> Signed-off-by: Udipto Goswami <quic_ugoswami@quicinc.com>
> ---
>   arch/arm64/boot/dts/qcom/sm8450-qrd.dts | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
> index c7d05945aa51..7b62ead68e77 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
> @@ -467,6 +467,14 @@
>   	vdda-pll-supply = <&vreg_l5b_0p88>;
>   	vdda18-supply = <&vreg_l1c_1p8>;
>   	vdda33-supply = <&vreg_l2b_3p07>;
> +	qcom,squelch-detector-bp = <(-2090)>;
> +	qcom,hs-disconnect-bp = <1743>;
> +	qcom,pre-emphasis-amplitude-bp = <40000>;
> +	qcom,pre-emphasis-duration-bp = <20000>;
> +	qcom,hs-amplitude-bp = <2000>;
> +	qcom,hs-output-impedance-micro-ohms = <2600000>;
> +	qcom,hs-crossover-voltage-microvolt = <(-31000)>;
> +	qcom,hs-rise-fall-time-bp = <(-4100)>;
>   };
>   
>   &usb_1_qmpphy {

sender and cc list is wrong, please ignore this.
Will send it to the right recipients.

Thanks,
-Udipto