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 7809BC433F5 for ; Tue, 10 May 2022 17:35:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348247AbiEJRjx (ORCPT ); Tue, 10 May 2022 13:39:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243060AbiEJRjv (ORCPT ); Tue, 10 May 2022 13:39:51 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05B325F63; Tue, 10 May 2022 10:35:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1652204153; x=1683740153; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=r8ZcV1vuUcmf0/igLjZxMrCayIbyMQkN9WHg1UvKdEo=; b=G7dRNKVFa30ytU44Y9h0fTme10Y/LSMkJzKcUt3vrqS5kvJ1ot/oS8mZ FdwNDsu6Cn1H3JmmGfHPWY+LK8TlsuVu1oTLF2NOLA3Fq6bwSUVqjkqyb v9HldPJigTu4WYX8kbnwMwlawXHqkUuliP9tuzayxBivShHrLVACJegkm Q=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-01.qualcomm.com with ESMTP; 10 May 2022 10:35:52 -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 10:35:51 -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 10:35:51 -0700 Received: from [10.216.55.79] (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 10:35:45 -0700 Message-ID: <7ef88262-4292-3077-00a1-dc06b2483b10@quicinc.com> Date: Tue, 10 May 2022 23:05:42 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [v3 3/3] arm64: dts: qcom: sc7280: Update SNPS Phy params for SC7280 IDP device Content-Language: en-US To: Pavan Kondeti CC: Krzysztof Kozlowski , Rob Herring , Andy Gross , Bjorn Andersson , Greg Kroah-Hartman , Stephen Boyd , "Doug Anderson" , Matthias Kaehlcke , Wesley Cheng , , , , , , , 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> From: Krishna Kurapati PSSNV In-Reply-To: <20220509032005.GJ4640@hu-pkondeti-hyd.qualcomm.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.