diff mbox series

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

Message ID 20240319133527.25025-1-quic_ugoswami@quicinc.com (mailing list archive)
State Accepted
Commit 17a188d927f772663f8929bd5f2a990004af5917
Headers show
Series arm64: dts: qcom: sm8450: Update SNPS Phy parameters for QRD platform | expand

Commit Message

Udipto Goswami March 19, 2024, 1:35 p.m. UTC
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(+)

Comments

Udipto Goswami March 21, 2024, 6:17 a.m. UTC | #1
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
diff mbox series

Patch

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 {