From patchwork Wed Nov 11 09:08:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 11897059 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B42CC4742C for ; Wed, 11 Nov 2020 09:10:47 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 80B2C206E3 for ; Wed, 11 Nov 2020 09:10:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="0fIgwcGf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 80B2C206E3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baikalelectronics.ru Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PF6OpnNCTtD97AsbaiTsiaUR4tNs6M7gtWGJNKbiDQA=; b=0fIgwcGfIsTOWL9zT/alf6Ari rnzeQ8bwy/MsxlfdSGZGRHbSvPEcigfHpDubp7lMclIFbOZwv0S4ldDkefakE6fskh20fznqiZ0xn aYAxAcg1MQBztH86WpuIyvS/qjITVlhkfuFvj8XVy+9qQ0VVANkztjN7cBnTUKhPacDQh+OjJCPSJ 3AW3TopJQqTWsNj//oc7IVYshRXMO0XUCvYo0P/qBZHvfL/5H0CR79ftXEwRSTBcOYhdfDdovevgd W/f4FayNRWOK5D8eq4saxfpV2uqtx5W5sFh8uBkq/sQm5t8OuAONhh2fN93eN2fHyYeSrdMOPgTh1 j9Tq3Wbxg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcm8u-0005C9-BD; Wed, 11 Nov 2020 09:10:16 +0000 Received: from mail.baikalelectronics.com ([87.245.175.226] helo=mail.baikalelectronics.ru) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcm7w-0004pL-O2; Wed, 11 Nov 2020 09:09:20 +0000 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id 908A2803202F; Wed, 11 Nov 2020 09:09:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at baikalelectronics.ru Received: from mail.baikalelectronics.ru ([127.0.0.1]) by localhost (mail.baikalelectronics.ru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id URHAxb3Z8lke; Wed, 11 Nov 2020 12:09:14 +0300 (MSK) From: Serge Semin To: Mathias Nyman , Felipe Balbi , Krzysztof Kozlowski , Greg Kroah-Hartman , Rob Herring Subject: [PATCH v4 13/18] dt-bindings: usb: dwc3: Add Tx De-emphasis constraints Date: Wed, 11 Nov 2020 12:08:48 +0300 Message-ID: <20201111090853.14112-14-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20201111090853.14112-1-Sergey.Semin@baikalelectronics.ru> References: <20201111090853.14112-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201111_040917_777872_FC658BE4 X-CRM114-Status: UNSURE ( 6.74 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , linux-kernel@vger.kernel.org, Pavel Parkhomenko , Rob Herring , Kevin Hilman , Andy Gross , Chunfeng Yun , linux-snps-arc@lists.infradead.org, devicetree@vger.kernel.org, Martin Blumenstingl , Lad Prabhakar , Alexey Malahov , Bjorn Andersson , linux-arm-kernel@lists.infradead.org, Roger Quadros , Yoshihiro Shimoda , linux-usb@vger.kernel.org, linux-mips@vger.kernel.org, Serge Semin , Serge Semin , Manu Gautam , linuxppc-dev@lists.ozlabs.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In accordance with the driver comments the PIPE3 de-emphasis can be tuned to be either -6dB, -2.5dB or disabled. Let's add the de-emphasis property constraints so the DT schema would make sure the controller DT node is equipped with correct value. Signed-off-by: Serge Semin Reviewed-by: Rob Herring --- Changelog v2: - Grammar fix: "s/tunned/tuned" - Grammar fix: remove redundant "or" conjunction. --- Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index 4f68c5cd7a45..64579aed404f 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -153,6 +153,10 @@ properties: The value driven to the PHY is controlled by the LTSSM during USB3 Compliance mode. $ref: /schemas/types.yaml#/definitions/uint8 + enum: + - 0 # -6dB de-emphasis + - 1 # -3.5dB de-emphasis + - 2 # No de-emphasis snps,dis_u3_susphy_quirk: description: When set core will disable USB3 suspend phy