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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 6FAA5C10F14 for ; Fri, 12 Apr 2019 22:42:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 33B33218A3 for ; Fri, 12 Apr 2019 22:42:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="iNMu0LcB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727138AbfDLWmR (ORCPT ); Fri, 12 Apr 2019 18:42:17 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:34451 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727048AbfDLWmQ (ORCPT ); Fri, 12 Apr 2019 18:42:16 -0400 Received: by mail-pl1-f196.google.com with SMTP id y6so5801651plt.1 for ; Fri, 12 Apr 2019 15:42:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=kWLUeccQHJNmQbwFQHETrVq/WCQE28hsAbD/ch2jk/0=; b=iNMu0LcBBkEoblkNikvLsoe0iRPOEcYwdGkme5UBFA+0XD/4tIOYO3Vx+bjaKXVji7 M9To4tbMSajbIxOowKsnAp4q+36Y4WzW03NdM1LpN81G934TCBDxl1SozQCahv/f3raJ 4+lFk6UNxhDm3Ecv5oEwAFbQCwkJy4u1t8ZN4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=kWLUeccQHJNmQbwFQHETrVq/WCQE28hsAbD/ch2jk/0=; b=BNVp2hHVaTvG5cvRdfzfd0QYAqvdbPkviaEdubH7Y0RNSYHkA9d2fdQOuFf+ahO8OX cpY0ab5CvwLpbdbV1zABjrRH7vuLQAvZXypDUCXn7QbmZJ7zf+twVd2Tj/GNOv0/6QzL qJ8JKldP6/ETdeLYz3PnU0SAiTBUI6kFXLjWJx03OE+mP2psO0JXjgn84zYDo68GvCZm IqtJi4pDOIC8JDrdWDsmSbF59OdweyNRoUVewmW5XktMKVMzKHf4sI2AFd8pll+Ywww7 T3vv1Majey1PJn6zkBLjdNA6OvdF6Urg+G58nEw6tnrfwHmEKcZnVOHAh1dAxFW+DwcL ntEQ== X-Gm-Message-State: APjAAAWbQ/ylSPICyCRRwvHf4bSE58O9BxUrQw14XT+688odL9uAhP6b Xw01LMni8948yrNPbxss3SYfqw== X-Google-Smtp-Source: APXvYqxcV0ZgFhV+rNuPFw2kv/DYtmiXsbIMqoDb86eGxEMGMKNVH9kszsGPxxLMa87ZWhMQFr0SUg== X-Received: by 2002:a17:902:e508:: with SMTP id ck8mr58797653plb.96.1555108936236; Fri, 12 Apr 2019 15:42:16 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:1:24fa:e766:52c9:e3b2]) by smtp.gmail.com with ESMTPSA id j22sm57170579pfn.129.2019.04.12.15.42.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 12 Apr 2019 15:42:15 -0700 (PDT) From: Douglas Anderson To: Rob Herring , Minas Harutyunyan , Heiko Stuebner , Felipe Balbi Cc: amstan@chromium.org, linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, Randy Li , mka@chromium.org, ryandcase@chromium.org, jwerner@chromium.org, Elaine Zhang , Douglas Anderson , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Mark Rutland Subject: [PATCH 1/4] dt-bindings: usb: dwc2: Document quirk to reset PHY upon wakeup Date: Fri, 12 Apr 2019 15:41:46 -0700 Message-Id: <20190412224149.106971-2-dianders@chromium.org> X-Mailer: git-send-email 2.21.0.392.gf8f6787159e-goog In-Reply-To: <20190412224149.106971-1-dianders@chromium.org> References: <20190412224149.106971-1-dianders@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Rockchip rk3288 there's a hardware quirk where we need to assert the reset signal to the PHY when we get a remote wakeup on one of the two ports. Document this quirk in the bindings. Signed-off-by: Douglas Anderson --- Documentation/devicetree/bindings/usb/dwc2.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt index 6dc3c4a34483..f70f3aee4bfc 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.txt +++ b/Documentation/devicetree/bindings/usb/dwc2.txt @@ -37,6 +37,8 @@ Refer to phy/phy-bindings.txt for generic phy consumer properties - g-rx-fifo-size: size of rx fifo size in gadget mode. - g-np-tx-fifo-size: size of non-periodic tx fifo size in gadget mode. - g-tx-fifo-size: size of periodic tx fifo per endpoint (except ep0) in gadget mode. +- snps,reset-phy-on-wake: If present indicates that we need to reset the PHY when + we detect a wakeup. This is due to a hardware errata. Deprecated properties: - g-use-dma: gadget DMA mode is automatically detected -- 2.21.0.392.gf8f6787159e-goog