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10 May 2022 19:31:19 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 10 May 2022 19:31:19 -0700 Received: from hu-pkondeti-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 10 May 2022 19:31:13 -0700 Date: Wed, 11 May 2022 08:01:09 +0530 From: Pavan Kondeti To: Krishna Kurapati PSSNV CC: Pavan Kondeti , Krzysztof Kozlowski , Rob Herring , "Andy Gross" , Bjorn Andersson , Greg Kroah-Hartman , Stephen Boyd , Doug Anderson , "Matthias Kaehlcke" , Wesley Cheng , , , , , , , Subject: Re: [v3 3/3] arm64: dts: qcom: sc7280: Update SNPS Phy params for SC7280 IDP device Message-ID: <20220511023109.GA13360@hu-pkondeti-hyd.qualcomm.com> References: <1652011947-18575-1-git-send-email-quic_kriskura@quicinc.com> <1652011947-18575-4-git-send-email-quic_kriskura@quicinc.com> <20220509032005.GJ4640@hu-pkondeti-hyd.qualcomm.com> <7ef88262-4292-3077-00a1-dc06b2483b10@quicinc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <7ef88262-4292-3077-00a1-dc06b2483b10@quicinc.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220510_193128_062037_F3AB5B17 X-CRM114-Status: GOOD ( 12.81 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org 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 > >>Signed-off-by: Krishna Kurapati > >>--- > >> 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 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84DFCC4332F for ; Wed, 11 May 2022 02:32:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240921AbiEKCcU (ORCPT ); Tue, 10 May 2022 22:32:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242343AbiEKCcI (ORCPT ); Tue, 10 May 2022 22:32:08 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C10ED5C66D; Tue, 10 May 2022 19:31:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1652236280; x=1683772280; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=RlxOaNZc/4I0mSrTZJv3nct2D80p9NBIlZoZaPymPRc=; b=qQzeNiSziR5cFz//AeO52+HaHuUi0Bf5dqItdhHTaGbzcIdoRcR7Yqt8 /9FxxsIzgCGzefM29rcdx26JzGuF7sUTyvQPDEkG0/h2pUJ4UzE32YZYu 2LrPu7pHahUepzyiny883PkFz1MYOYqtXllhl/JpEgtKWmIjAal9YVd3h M=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 10 May 2022 19:31:20 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg04-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2022 19:31:19 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 10 May 2022 19:31:19 -0700 Received: from hu-pkondeti-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 10 May 2022 19:31:13 -0700 Date: Wed, 11 May 2022 08:01:09 +0530 From: Pavan Kondeti To: Krishna Kurapati PSSNV CC: Pavan Kondeti , Krzysztof Kozlowski , Rob Herring , "Andy Gross" , Bjorn Andersson , Greg Kroah-Hartman , Stephen Boyd , Doug Anderson , "Matthias Kaehlcke" , Wesley Cheng , , , , , , , Subject: Re: [v3 3/3] arm64: dts: qcom: sc7280: Update SNPS Phy params for SC7280 IDP device Message-ID: <20220511023109.GA13360@hu-pkondeti-hyd.qualcomm.com> References: <1652011947-18575-1-git-send-email-quic_kriskura@quicinc.com> <1652011947-18575-4-git-send-email-quic_kriskura@quicinc.com> <20220509032005.GJ4640@hu-pkondeti-hyd.qualcomm.com> <7ef88262-4292-3077-00a1-dc06b2483b10@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <7ef88262-4292-3077-00a1-dc06b2483b10@quicinc.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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 > >>Signed-off-by: Krishna Kurapati > >>--- > >> 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