From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [4/4] ARM: dts: rockchip: Add quirk for resetting rk3288's dwc2 host on wakeup From: Matthias Kaehlcke Message-Id: <20190412235738.GZ112750@google.com> Date: Fri, 12 Apr 2019 16:57:38 -0700 To: Douglas Anderson Cc: Rob Herring , Minas Harutyunyan , Heiko Stuebner , Felipe Balbi , amstan@chromium.org, linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, Randy Li , ryandcase@chromium.org, jwerner@chromium.org, Elaine Zhang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland , linux-arm-kernel@lists.infradead.org List-ID: T24gRnJpLCBBcHIgMTIsIDIwMTkgYXQgMDM6NDE6NDlQTSAtMDcwMCwgRG91Z2xhcyBBbmRlcnNv biB3cm90ZToKPiBUaGUgImhvc3QiIFVTQiBwb3J0IG9uIHJrMzI4OCBoYXMgYSBoYXJkd2FyZSBl cnJhdGEgd2hlcmUgd2UndmUgZ290IHRvCj4gYXNzZXJ0IGEgUEhZIHJlc2V0IHdoZW5ldmVyIHdl IHNlZSBhIHJlbW90ZSB3YWtldXAuICBBZGQgdGhhdCBxdWlyawo+IHByb3BlcnR5IHRvIHRoZSBk ZXZpY2UgdHJlZS4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBEb3VnbGFzIEFuZGVyc29uIDxkaWFuZGVy c0BjaHJvbWl1bS5vcmc+Cj4gLS0tCj4gCj4gIGFyY2gvYXJtL2Jvb3QvZHRzL3JrMzI4OC5kdHNp IHwgMSArCj4gIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKQo+IAo+IGRpZmYgLS1naXQg YS9hcmNoL2FybS9ib290L2R0cy9yazMyODguZHRzaSBiL2FyY2gvYXJtL2Jvb3QvZHRzL3JrMzI4 OC5kdHNpCj4gaW5kZXggOTJlMDYwMDU5NWY4Li42MzY3YzFiNTBmZDcgMTAwNjQ0Cj4gLS0tIGEv YXJjaC9hcm0vYm9vdC9kdHMvcmszMjg4LmR0c2kKPiArKysgYi9hcmNoL2FybS9ib290L2R0cy9y azMyODguZHRzaQo+IEBAIC02MTcsNiArNjE3LDcgQEAKPiAgCQlkcl9tb2RlID0gImhvc3QiOwo+ ICAJCXBoeXMgPSA8JnVzYnBoeTI+Owo+ICAJCXBoeS1uYW1lcyA9ICJ1c2IyLXBoeSI7Cj4gKwkJ c25wcyxyZXNldC1waHktb24td2FrZTsKPiAgCQlzdGF0dXMgPSAiZGlzYWJsZWQiOwo+ICAJfTsK PiAgCgpSZXZpZXdlZC1ieTogTWF0dGhpYXMgS2FlaGxja2UgPG1rYUBjaHJvbWl1bS5vcmc+Cg== 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=-8.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 8EA22C10F0E for ; 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Fri, 12 Apr 2019 16:57:39 -0700 (PDT) Received: from localhost ([2620:15c:202:1:75a:3f6e:21d:9374]) by smtp.gmail.com with ESMTPSA id e4sm59968821pgd.32.2019.04.12.16.57.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 12 Apr 2019 16:57:39 -0700 (PDT) Date: Fri, 12 Apr 2019 16:57:38 -0700 From: Matthias Kaehlcke To: Douglas Anderson Cc: Rob Herring , Minas Harutyunyan , Heiko Stuebner , Felipe Balbi , amstan@chromium.org, linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org, Randy Li , ryandcase@chromium.org, jwerner@chromium.org, Elaine Zhang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 4/4] ARM: dts: rockchip: Add quirk for resetting rk3288's dwc2 host on wakeup Message-ID: <20190412235738.GZ112750@google.com> References: <20190412224149.106971-1-dianders@chromium.org> <20190412224149.106971-5-dianders@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: <20190412224149.106971-5-dianders@chromium.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Message-ID: <20190412235738.BDh0Nb2BcZwMTaBXWHuvuc_CcOZby2cRqxI0XqWYgrI@z> On Fri, Apr 12, 2019 at 03:41:49PM -0700, Douglas Anderson wrote: > The "host" USB port on rk3288 has a hardware errata where we've got to > assert a PHY reset whenever we see a remote wakeup. Add that quirk > property to the device tree. > > Signed-off-by: Douglas Anderson > --- > > arch/arm/boot/dts/rk3288.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi > index 92e0600595f8..6367c1b50fd7 100644 > --- a/arch/arm/boot/dts/rk3288.dtsi > +++ b/arch/arm/boot/dts/rk3288.dtsi > @@ -617,6 +617,7 @@ > dr_mode = "host"; > phys = <&usbphy2>; > phy-names = "usb2-phy"; > + snps,reset-phy-on-wake; > status = "disabled"; > }; > Reviewed-by: Matthias Kaehlcke