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: 4778581 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DE6059F2A9 for ; Tue, 26 Aug 2014 07:31:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1626E20145 for ; Tue, 26 Aug 2014 07:31:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A9D22014A for ; Tue, 26 Aug 2014 07:31:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757172AbaHZHbi (ORCPT ); Tue, 26 Aug 2014 03:31:38 -0400 Received: from cube.luon.net ([37.72.100.20]:56371 "EHLO cube.luon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752889AbaHZHbh (ORCPT ); Tue, 26 Aug 2014 03:31:37 -0400 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 Cc: =?UTF-8?q?Andreas=20F=C3=A4rber?= , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Sjoerd Simons 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> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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>; };