From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH] ARM: dts: exynos5422-odroidxu3*: use peripheral mode for dwc3_1 Date: Thu, 19 Nov 2015 21:33:17 +0900 Message-ID: <564DC18D.3000700@samsung.com> References: <1447933882-3030-1-git-send-email-m.szyprowski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pa0-f53.google.com ([209.85.220.53]:32921 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750815AbbKSMdW (ORCPT ); Thu, 19 Nov 2015 07:33:22 -0500 Received: by pabfh17 with SMTP id fh17so82899914pab.0 for ; Thu, 19 Nov 2015 04:33:21 -0800 (PST) In-Reply-To: <1447933882-3030-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Marek Szyprowski , linux-samsung-soc@vger.kernel.org Cc: k.kozlowski.k@gmail.com, Kukjin Kim , Bartlomiej Zolnierkiewicz W dniu 19.11.2015 o 20:51, Marek Szyprowski pisze: > DWC3 device found on Exynos SoCs cannot work in OTG mode alone, because > it lacks some OTG related control part. OTG mode operation is possible > only with external hardware logic (usually GPIO-based) specific to > the board. Right now, however, there is no driver for such logic and no > bindings, so the OTG mode is disfunctional at all (this means that it s/disfunctional/dysfunctional/ (no need to resend, this can be fixed when applying) > doesn't work as a peripheral nor as a host). This patch sets the operation > mode to peripheral to get DWC3_1 device at least somehow working. This can > be later updated, when proper OTG driver and bindings get developed. > > Signed-off-by: Marek Szyprowski > --- > arch/arm/boot/dts/exynos5422-odroidxu3-lite.dts | 2 +- > arch/arm/boot/dts/exynos5422-odroidxu3.dts | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > Explanation makes sense. Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof