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 D5F04C433EF for ; Mon, 9 May 2022 03:35:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231814AbiEIDeu (ORCPT ); Sun, 8 May 2022 23:34:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231785AbiEIDYK (ORCPT ); Sun, 8 May 2022 23:24:10 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57BCC95A2F; Sun, 8 May 2022 20:20:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1652066417; x=1683602417; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=dTZrcfWUgN6fGzVBM2+6gc6m+RANq5DplIKCSgrMy/c=; b=xKFM0RVgohZ7GstS0cDYzhraxOlTssDcZraXehIxhhtP4eVNNGcYNCJl 4FAyfmhV5OivhD/pEWOoMY2nbXFiZ+/NTzY0BMUlb7HRndVz8Wd6XvfC7 ON/QraL6uLbRpULdrPfN8yBQyaQQwVZT88Fk6bRfImXXJtxXst00vmIp+ Y=; Received: from ironmsg08-lv.qualcomm.com ([10.47.202.152]) by alexa-out.qualcomm.com with ESMTP; 08 May 2022 20:20:15 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg08-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2022 20:20:15 -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; Sun, 8 May 2022 20:20:15 -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; Sun, 8 May 2022 20:20:09 -0700 Date: Mon, 9 May 2022 08:50:05 +0530 From: Pavan Kondeti To: Krishna Kurapati CC: Krzysztof Kozlowski , Rob Herring , Andy Gross , Bjorn Andersson , Greg Kroah-Hartman , Stephen Boyd , "Doug Anderson" , Matthias Kaehlcke , Wesley Cheng , , , , , , , , , Sandeep Maheswaram Subject: Re: [v3 3/3] arm64: dts: qcom: sc7280: Update SNPS Phy params for SC7280 IDP device Message-ID: <20220509032005.GJ4640@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> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1652011947-18575-4-git-send-email-quic_kriskura@quicinc.com> User-Agent: Mutt/1.5.24 (2015-08-30) 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 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