Messages in this thread | | | Date | Wed, 11 May 2022 08:01:09 +0530 | From | Pavan Kondeti <> | Subject | Re: [v3 3/3] arm64: dts: qcom: sc7280: Update SNPS Phy params for SC7280 IDP device |
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On Tue, May 10, 2022 at 11:05:42PM +0530, Krishna Kurapati PSSNV wrote: > > On 5/9/2022 8:50 AM, Pavan Kondeti wrote: > >Hi Krishna, > > > >On Sun, May 08, 2022 at 05:42:27PM +0530, Krishna Kurapati wrote: > >>Overriding the SNPS Phy tuning parameters for SC7280 IDP device. > >> > >>Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com> > >>Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> > >>--- > >> arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 6 ++++++ > >> 1 file changed, 6 insertions(+) > >> > >>diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi > >>index 5eb6689..ad85ffb 100644 > >>--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi > >>+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi > >>@@ -325,6 +325,12 @@ > >> vdda-pll-supply = <&vreg_l10c_0p8>; > >> vdda33-supply = <&vreg_l2b_3p0>; > >> vdda18-supply = <&vreg_l1c_1p8>; > >>+ qcom,hs-rise-fall-time-bps = <0>; > >>+ qcom,squelch-detector-bps = <(-2090)>; > >>+ qcom,hs-disconnect-bps = <1743>; > >>+ qcom,hs-amplitude-bps = <1780>; > >>+ qcom,hs-crossover-voltage = <(-31)>; > >>+ qcom,hs-output-impedance = <2600>; > >> }; > >Is this an example change or do we see any HS electrical compliance failures > >on SC7280 IDP that will get fixed with these override sequence? > > > >Thanks, > >Pavan > > Hi Pavan, > > These results were based on compliance testing results. > Ok, Do we know what tests are failing and getting fixed with these settings? Can you mention it in the changelog?
Thanks, Pavan
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