From patchwork Sun Aug 21 12:16:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 9292129 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 03C3F60574 for ; Sun, 21 Aug 2016 12:18:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E98A5285FC for ; Sun, 21 Aug 2016 12:18:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DE3172898C; Sun, 21 Aug 2016 12:18:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A0F25285FC for ; Sun, 21 Aug 2016 12:18:57 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bbRh7-0008Rz-UP; Sun, 21 Aug 2016 12:17:41 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bbRgc-0008Jx-Vz for linux-arm-kernel@lists.infradead.org; Sun, 21 Aug 2016 12:17:12 +0000 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F1E0581127; Sun, 21 Aug 2016 12:16:54 +0000 (UTC) Received: from shalem.localdomain.com (vpn1-5-149.ams2.redhat.com [10.36.5.149]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u7LCGfNk021071; Sun, 21 Aug 2016 08:16:52 -0400 From: Hans de Goede To: Bin Liu , Greg Kroah-Hartman , Kishon Vijay Abraham I Subject: [PATCH v3 4/7] phy-sun4i-usb: Add support for phy_set_mode Date: Sun, 21 Aug 2016 14:16:36 +0200 Message-Id: <1471781799-10457-4-git-send-email-hdegoede@redhat.com> In-Reply-To: <1471781799-10457-1-git-send-email-hdegoede@redhat.com> References: <1471781799-10457-1-git-send-email-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Sun, 21 Aug 2016 12:16:55 +0000 (UTC) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160821_051711_179252_C8EC297B X-CRM114-Status: GOOD ( 11.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree , linux-usb@vger.kernel.org, Hans de Goede , Chen-Yu Tsai , Maxime Ripard , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Together with some musb sunxi glue changes this allows run-time dr_mode switching support via the "mode" musb sysfs attribute. Signed-off-by: Hans de Goede --- Changes in v2: -No changes Changes in v3: -Fix switch-case code style --- drivers/phy/phy-sun4i-usb.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c index fb2d4f3..af42f8d 100644 --- a/drivers/phy/phy-sun4i-usb.c +++ b/drivers/phy/phy-sun4i-usb.c @@ -427,6 +427,35 @@ static int sun4i_usb_phy_power_off(struct phy *_phy) return 0; } +static int sun4i_usb_phy_set_mode(struct phy *_phy, enum phy_mode mode) +{ + struct sun4i_usb_phy *phy = phy_get_drvdata(_phy); + struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy); + + if (phy->index != 0) + return -EINVAL; + + switch (mode) { + case PHY_MODE_USB_HOST: + data->dr_mode = USB_DR_MODE_HOST; + break; + case PHY_MODE_USB_DEVICE: + data->dr_mode = USB_DR_MODE_PERIPHERAL; + break; + case PHY_MODE_USB_OTG: + data->dr_mode = USB_DR_MODE_OTG; + break; + default: + return -EINVAL; + } + + dev_info(&_phy->dev, "Changing dr_mode to %d\n", (int)data->dr_mode); + data->force_session_end = true; + queue_delayed_work(system_wq, &data->detect, 0); + + return 0; +} + void sun4i_usb_phy_set_squelch_detect(struct phy *_phy, bool enabled) { struct sun4i_usb_phy *phy = phy_get_drvdata(_phy); @@ -440,6 +469,7 @@ static const struct phy_ops sun4i_usb_phy_ops = { .exit = sun4i_usb_phy_exit, .power_on = sun4i_usb_phy_power_on, .power_off = sun4i_usb_phy_power_off, + .set_mode = sun4i_usb_phy_set_mode, .owner = THIS_MODULE, };