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[23.128.96.18]) by mx.google.com with ESMTP id s12si2440196pgp.44.2021.10.25.12.05.30; Mon, 25 Oct 2021 12:05:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@foss.st.com header.s=selector1 header.b="QFfA/a7i"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=foss.st.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233552AbhJYPU4 (ORCPT + 99 others); Mon, 25 Oct 2021 11:20:56 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:55518 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233886AbhJYPUj (ORCPT ); Mon, 25 Oct 2021 11:20:39 -0400 Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19PC9Btq012722; Mon, 25 Oct 2021 17:18:06 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=selector1; bh=krpL7TeohHXNEh3e/AyvQVET92Qb+upGuFPSFj2crj8=; b=QFfA/a7i3CbcM6794ulI4QTTXdjd/cCdwD2r7Jv6Eix1ig5Au3cd3bfaib1ZozHSxIy/ lR19KGMgpqKHdA7jhBbQRsW5B0CKknMY1epVQCrfCO0SW+E/tcPuFzjb2UR4EJenFdrn m8gVCVW3KEswIfLnYLVI4Ia8Osci1wSfBgqe/UdVheTwhyKUinkxx5bESwj1gl1lI5aA bN/WJRKFvvFfoOaZStq3EINP21WpRZpVqPIeaeK7CWOsI7KGmKSFp+ordwfGn4jMHGS8 +SasvXRZfLX35nN5Ep1Ee/R5azDxZa/aEqXDGpgqR7tMK8W3ZVtYeEVk9b/pdxvWcSUL CQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3bwqpsjtv7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 25 Oct 2021 17:18:06 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id D2353100038; Mon, 25 Oct 2021 17:18:05 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id CB83B24187B; Mon, 25 Oct 2021 17:18:05 +0200 (CEST) Received: from localhost (10.75.127.48) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Mon, 25 Oct 2021 17:18:05 +0200 From: Fabrice Gasnier To: CC: , , , , , , Subject: [PATCH 1/2] ARM: dts: stm32: tune the HS USB PHYs on stm32mp15xx-dkx Date: Mon, 25 Oct 2021 17:17:49 +0200 Message-ID: <1635175070-28722-2-git-send-email-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1635175070-28722-1-git-send-email-fabrice.gasnier@foss.st.com> References: <1635175070-28722-1-git-send-email-fabrice.gasnier@foss.st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG1NODE2.st.com (10.75.127.2) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-25_05,2021-10-25_02,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds phy tuning parameters for usbphyc port0 (USBH controller) and usbphyc port1 (OTG controller). Phy tuning parameters are used to adjust the phy settings to compensate parasitics, which can be due to USB receptacle, routing, and ESD protection component. Signed-off-by: Amelie Delaunay Signed-off-by: Fabrice Gasnier --- arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi index 899bfe0..48c7a11 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi @@ -694,10 +694,26 @@ &usbphyc_port0 { phy-supply = <&vdd_usb>; + st,tune-hs-dc-level = <2>; + st,enable-fs-rftime-tuning; + st,enable-hs-rftime-reduction; + st,trim-hs-current = <15>; + st,trim-hs-impedance = <1>; + st,tune-squelch-level = <3>; + st,tune-hs-rx-offset = <2>; + st,no-lsfs-sc; }; &usbphyc_port1 { phy-supply = <&vdd_usb>; + st,tune-hs-dc-level = <2>; + st,enable-fs-rftime-tuning; + st,enable-hs-rftime-reduction; + st,trim-hs-current = <15>; + st,trim-hs-impedance = <1>; + st,tune-squelch-level = <3>; + st,tune-hs-rx-offset = <2>; + st,no-lsfs-sc; }; &vrefbuf { -- 2.7.4