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[209.132.180.67]) by mx.google.com with ESMTP id k8si6427010pdr.201.2014.11.06.09.36.07 for ; Thu, 06 Nov 2014 09:36:08 -0800 (PST) Received-SPF: none (google.com: linux-omap-owner@vger.kernel.org does not designate permitted sender hosts) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752090AbaKFRgB (ORCPT + 5 others); Thu, 6 Nov 2014 12:36:01 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:58347 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751325AbaKFRf7 (ORCPT ); Thu, 6 Nov 2014 12:35:59 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id sA6HZZqU001255; Thu, 6 Nov 2014 11:35:35 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id sA6HZZYN025614; Thu, 6 Nov 2014 11:35:35 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.174.1; Thu, 6 Nov 2014 11:35:35 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id sA6HZYQg024874; Thu, 6 Nov 2014 11:35:35 -0600 From: Felipe Balbi To: Linux USB Mailing List CC: Linux OMAP Mailing List , Tony Lindgren , Linux ARM Kernel Mailing List , Felipe Balbi Subject: [PATCH 2/2] arm: boot: dts: am4372: enable dwc3 suspend PHY quirk Date: Thu, 6 Nov 2014 11:36:06 -0600 Message-ID: <1415295366-593-2-git-send-email-balbi@ti.com> X-Mailer: git-send-email 2.1.0.GIT In-Reply-To: <1415295366-593-1-git-send-email-balbi@ti.com> References: <1415295366-593-1-git-send-email-balbi@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: balbi@ti.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.50 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Whenever Suspend PHY bit is set on AM437x devices, USB will not work due to Set EP Configuration command always failing. This was only found after a recent commit 2164a47 (usb: dwc3: set SUSPHY bit for all cores, which will be merged for v3.19) added a missing *required* step to dwc3 initialization. Synopsys Databook requires that we enable Suspend PHY bit after initialization but that, unfortunately, breaks AM437x. Signed-off-by: Felipe Balbi Acked-by: Tony Lindgren --- arch/arm/boot/dts/am4372.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 46660ff..e19068d 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -817,6 +817,8 @@ maximum-speed = "high-speed"; dr_mode = "otg"; status = "disabled"; + snps,dis_u3_susphy_quirk; + snps,dis_u2_susphy_quirk; }; }; @@ -839,6 +841,8 @@ maximum-speed = "high-speed"; dr_mode = "otg"; status = "disabled"; + snps,dis_u3_susphy_quirk; + snps,dis_u2_susphy_quirk; }; };