From patchwork Tue Aug 26 07:30:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sjoerd Simons X-Patchwork-Id: 4778621 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 D00A6C0338 for ; Tue, 26 Aug 2014 07:33:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E6EF620149 for ; Tue, 26 Aug 2014 07:33:48 +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 271D620145 for ; Tue, 26 Aug 2014 07:33:48 +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 1XMBEc-0001FU-B6; Tue, 26 Aug 2014 07:32:06 +0000 Received: from cube.luon.net ([2a00:8240:5:10::20]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XMBEY-0000b6-7P for linux-arm-kernel@lists.infradead.org; Tue, 26 Aug 2014 07:32:03 +0000 Received: from localhost (localhost [127.0.0.1]) by cube.luon.net (Postfix) with ESMTP id 97C36E2325; Tue, 26 Aug 2014 09:31:36 +0200 (CEST) Received: from cube.luon.net ([127.0.0.1]) by localhost (cube.luon.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4vVALmyaZerU; Tue, 26 Aug 2014 09:31:36 +0200 (CEST) Received: from dusk.luon.net (unknown [IPv6:2001:1af8:fe00:8421:f2de:f1ff:fe93:2ee]) by cube.luon.net (Postfix) with ESMTPSA id 27252E1F3A; Tue, 26 Aug 2014 09:31:36 +0200 (CEST) Received: by dusk.luon.net (Postfix, from userid 1000) id 6A71820457; Tue, 26 Aug 2014 09:31:33 +0200 (CEST) From: Sjoerd Simons To: Kukjin Kim Subject: [PATCH 1/2 v2] ARM: dts: exynos: Explicitly set dr_mode on peach-pit and peach-pi Date: Tue, 26 Aug 2014 09:30:29 +0200 Message-Id: <1409038230-7242-2-git-send-email-sjoerd.simons@collabora.co.uk> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1409038230-7242-1-git-send-email-sjoerd.simons@collabora.co.uk> References: <1409038230-7242-1-git-send-email-sjoerd.simons@collabora.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140826_003202_431046_96A22C65 X-CRM114-Status: GOOD ( 11.32 ) X-Spam-Score: 0.0 (/) Cc: 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.9 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 explicitely configure the dual role mode as host Signed-off-by: Sjoerd Simons Reviewed-by: Andreas Färber --- Changes in v2: alphabetically sort the dts entries 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>; };