From patchwork Thu Jan 10 16:51:24 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 1961291 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id E6F5FDF264 for ; Thu, 10 Jan 2013 16:57:10 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TtLNa-0005yD-Cd; Thu, 10 Jan 2013 16:53:23 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TtLM8-0005Wa-Uc for linux-arm-kernel@lists.infradead.org; Thu, 10 Jan 2013 16:51:57 +0000 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id r0AGpjNe021566; Thu, 10 Jan 2013 10:51:45 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id r0AGpjdk029787; Thu, 10 Jan 2013 10:51:45 -0600 Received: from dlelxv22.itg.ti.com (172.17.1.197) by dfle72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.1.323.3; Thu, 10 Jan 2013 10:51:45 -0600 Received: from rockdesk.itg.ti.com (h113-58.vpn.ti.com [172.24.113.58]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id r0AGpYI2023935; Thu, 10 Jan 2013 10:51:43 -0600 From: Roger Quadros To: Subject: [PATCH 04/14] usb: phy: nop: Handle power supply regulator for the PHY Date: Thu, 10 Jan 2013 18:51:24 +0200 Message-ID: <1357836694-30788-5-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1357836694-30788-1-git-send-email-rogerq@ti.com> References: <1357836694-30788-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130110_115153_222437_F2A98BEB X-CRM114-Status: GOOD ( 11.15 ) X-Spam-Score: -7.6 (-------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-7.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [192.94.94.40 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: sameo@linux.intel.com, tony@atomide.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kishon@ti.com, linux-arm-kernel@lists.infradead.org, rogerq@ti.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org We use "vcc" as the supply name for the PHY's power supply. The power supply will be enabled during .init() and disabled during .shutdown() Signed-off-by: Roger Quadros --- drivers/usb/otg/nop-usb-xceiv.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c index 163f972..1c6db10 100644 --- a/drivers/usb/otg/nop-usb-xceiv.c +++ b/drivers/usb/otg/nop-usb-xceiv.c @@ -33,11 +33,13 @@ #include #include #include +#include struct nop_usb_xceiv { struct usb_phy phy; struct device *dev; struct clk *clk; + struct regulator *vcc; }; static struct platform_device *pd; @@ -70,6 +72,11 @@ static int nop_init(struct usb_phy *phy) { struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev); + if (nop->vcc) { + if (regulator_enable(nop->vcc)) + dev_err(phy->dev, "Failed to enable power\n"); + } + if (nop->clk) clk_enable(nop->clk); @@ -82,6 +89,11 @@ static void nop_shutdown(struct usb_phy *phy) if (nop->clk) clk_disable(nop->clk); + + if (nop->vcc) { + if (regulator_disable(nop->vcc)) + dev_err(phy->dev, "Failed to disable power\n"); + } } static int nop_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget) @@ -157,6 +169,12 @@ static int nop_usb_xceiv_probe(struct platform_device *pdev) } } + nop->vcc = devm_regulator_get(&pdev->dev, "vcc"); + if (IS_ERR(nop->vcc)) { + dev_dbg(&pdev->dev, "Error getting vcc regulator\n"); + nop->vcc = NULL; + } + nop->dev = &pdev->dev; nop->phy.dev = nop->dev; nop->phy.label = "nop-xceiv";