From patchwork Mon Sep 15 10:52:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sjoerd Simons X-Patchwork-Id: 4904591 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D80F0BEEA5 for ; Mon, 15 Sep 2014 10:55:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 436C020166 for ; Mon, 15 Sep 2014 10:55:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EA0602014A for ; Mon, 15 Sep 2014 10:55:26 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XTTuf-0005Uc-8B; Mon, 15 Sep 2014 10:53:41 +0000 Received: from bhuna.collabora.co.uk ([93.93.135.160]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XTTuG-0005Mz-Te for linux-arm-kernel@lists.infradead.org; Mon, 15 Sep 2014 10:53:19 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sjoerd) with ESMTPSA id A556D6094C6 Received: by dusk.luon.net (Postfix, from userid 1000) id 5D80D242C9; Mon, 15 Sep 2014 12:52:51 +0200 (CEST) From: Sjoerd Simons To: Kukjin Kim Subject: [PATCH 1/3 v3] ARM: dts: exynos: Explicitly set dr_mode on peach-pit and peach-pi Date: Mon, 15 Sep 2014 12:52:32 +0200 Message-Id: <1410778354-31210-2-git-send-email-sjoerd.simons@collabora.co.uk> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1410778354-31210-1-git-send-email-sjoerd.simons@collabora.co.uk> References: <1410778354-31210-1-git-send-email-sjoerd.simons@collabora.co.uk> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140915_035317_127253_68D2CB11 X-CRM114-Status: GOOD ( 12.22 ) X-Spam-Score: -0.7 (/) Cc: devicetree@vger.kernel.org, Sjoerd Simons , linux-samsung-soc@vger.kernel.org, =?UTF-8?q?Andreas=20F=C3=A4rber?= , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In case the optional dr_mode property isn't set in the dwc3 nodes the the controller will go into OTG mode iff both USB host and USB gadget functionality are enabled in the kernel configuration. Unfortunately this results in USB not working on exynos5420-peach-pit and exynos5800-peach-pi with such a kernel configuration unless manually change the mode. To resolve that explicitly configure the dual role mode as host Signed-off-by: Sjoerd Simons Reviewed-by: Andreas Färber --- Changes in v2: alphabetically sort the dts entries Changes in v3: Fix typo in commit message arch/arm/boot/dts/exynos5420-peach-pit.dts | 8 ++++++++ arch/arm/boot/dts/exynos5420.dtsi | 4 ++-- arch/arm/boot/dts/exynos5800-peach-pi.dts | 8 ++++++++ 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts index 228a6b1..29d3a59 100644 --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts @@ -427,6 +427,14 @@ status = "okay"; }; +&usbdrd_dwc3_0 { + dr_mode = "host"; +}; + +&usbdrd_dwc3_1 { + dr_mode = "host"; +}; + &usbdrd_phy0 { vbus-supply = <&usb300_vbus_reg>; }; diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index bfe056d..8617a03 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -815,7 +815,7 @@ #size-cells = <1>; ranges; - dwc3 { + usbdrd_dwc3_0: dwc3 { compatible = "snps,dwc3"; reg = <0x12000000 0x10000>; interrupts = <0 72 0>; @@ -841,7 +841,7 @@ #size-cells = <1>; ranges; - dwc3 { + usbdrd_dwc3_1: dwc3 { compatible = "snps,dwc3"; reg = <0x12400000 0x10000>; interrupts = <0 73 0>; diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts index f3ee48b..2064550 100644 --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts @@ -425,6 +425,14 @@ status = "okay"; }; +&usbdrd_dwc3_0 { + dr_mode = "host"; +}; + +&usbdrd_dwc3_1 { + dr_mode = "host"; +}; + &usbdrd_phy0 { vbus-supply = <&usb300_vbus_reg>; };