From patchwork Thu Dec 10 09:09:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 1413921 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=baikalelectronics.ru Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=U9DwKkz3; dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Cs7b16rNwz9sWX for ; Thu, 10 Dec 2020 20:16:45 +1100 (AEDT) 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=8LAmxdM+YF5DNjarekFzJgap+d37/p1lKPJ74o1osCU=; b=U9DwKkz31sIc5jvH94xZMIdwl ORJRLR/ca0eq43GBWKDqBgIpV/5sOzsGCKVbDST2slFLs3hwcOZD7AfBJS1JywXyy5vv86h3Vgc/M eUT8uh7DdNmLJmgv2lpQFO5pfDhWh2/lSge8kkPB1sOjdBUwTmNZivfkX9YTi96ZOT4EASei5PBhu lwR7qyIGHwz4r0kL8shM3ZL8vzuTCFB8kACs0no54qHmkidFmYFNljBXKbDy6sSvMTLGMSNL2UVU0 PQEq4GNfsNpeOZk6NZl/jlc9B8WmibANP+Vc0AdmduM5FB2yQHvpzJ/AsSwyqJuxcclrMWi3GRxiI btvK39Ynw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1knI41-0007K1-TN; Thu, 10 Dec 2020 09:16:41 +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 1knHyG-0004b2-0F; Thu, 10 Dec 2020 09:10:56 +0000 From: Serge Semin To: Mathias Nyman , Felipe Balbi , Krzysztof Kozlowski , Greg Kroah-Hartman , Rob Herring , Chunfeng Yun Subject: [PATCH v6 13/19] dt-bindings: usb: dwc3: Add Tx De-emphasis constraints Date: Thu, 10 Dec 2020 12:09:37 +0300 Message-ID: <20201210090944.16283-14-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20201210090944.16283-1-Sergey.Semin@baikalelectronics.ru> References: <20201210090944.16283-1-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-20201210_041044_389558_BA7232D4 X-CRM114-Status: UNSURE ( 7.00 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , linux-kernel@vger.kernel.org, Pavel Parkhomenko , Rob Herring , Kevin Hilman , Ahmad Zainie , Andy Gross , 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-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.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 6253bc5fb18e..e01a9a93d74a 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -156,6 +156,10 @@ 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