From patchwork Tue Oct 20 11:20:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 11846403 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 E6917C43457 for ; Tue, 20 Oct 2020 11:24:21 +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 6583B22240 for ; Tue, 20 Oct 2020 11:24:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Qv/f0pJf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6583B22240 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=D8Y+/p6xlSN39+MuPQCyDZxI0kFI+oO7XCV1MnK0GC4=; b=Qv/f0pJfzEwtp13B0O8plDZGX oQzIzjY+G0JYu+zoWVbU0Hg7phK1BrMvrhEXtVkkm3O+NJOh0dEgI7zw63XhtAgrhQu+aGCUkFRwT nTCzGVhWwiJcOgWYiUX01hV44Kr9NYZAhQBEasmYDS2yLla1UPprwzCeeNMGPKI1yvNinUKzFtUD3 mTOl4BBpbh0FnM7neD9RMEfzq+fDtUu07Iomi/17dmd5CGHANHVXjT3crRJ85r8FWFcV4BPfB366E jqOUZvPLtEgD5M+zth96Q7nS6mnOK0OyxeV4WUs3mXJDW1rgwJTqJxpi+UVy37wDR10BYKGhPCVv+ GcS+IjZfA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kUpij-0005to-KP; Tue, 20 Oct 2020 11:22:25 +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 1kUphm-0005bt-FV; Tue, 20 Oct 2020 11:21:30 +0000 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id E2E288030171; Tue, 20 Oct 2020 11:21:25 +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 cjSKv4RvSeTS; Tue, 20 Oct 2020 14:21:25 +0300 (MSK) From: Serge Semin To: Mathias Nyman , Felipe Balbi , Krzysztof Kozlowski , Greg Kroah-Hartman , Rob Herring Subject: [PATCH v3 11/16] dt-bindings: usb: dwc3: Add Tx De-emphasis constraints Date: Tue, 20 Oct 2020 14:20:56 +0300 Message-ID: <20201020112101.19077-12-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20201020112101.19077-1-Sergey.Semin@baikalelectronics.ru> References: <20201020112101.19077-1-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-20201020_072127_077290_67DF4411 X-CRM114-Status: UNSURE ( 7.22 ) 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: devicetree@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-mips@vger.kernel.org, Neil Armstrong , Martin Blumenstingl , Kevin Hilman , Yoshihiro Shimoda , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Lad Prabhakar , Serge Semin , Bjorn Andersson , Serge Semin , Manu Gautam , Andy Gross , Pavel Parkhomenko , Alexey Malahov , linuxppc-dev@lists.ozlabs.org, Rob Herring , linux-arm-kernel@lists.infradead.org, Roger Quadros 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 23f07222d3d7..6ab7cba56059 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -149,6 +149,10 @@ 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