From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757050Ab3A1LbE (ORCPT ); Mon, 28 Jan 2013 06:31:04 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:53238 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756945Ab3A1La4 (ORCPT ); Mon, 28 Jan 2013 06:30:56 -0500 From: Roger Quadros To: CC: , , , , , , , , , , Subject: [PATCH v2 04/30] usb: phy: nop: Handle power supply regulator for the PHY Date: Mon, 28 Jan 2013 13:30:05 +0200 Message-ID: <1359372631-8180-5-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1359372631-8180-1-git-send-email-rogerq@ti.com> References: <1359372631-8180-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 849eb9d..0a9628c 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 (!IS_ERR(nop->vcc)) { + if (regulator_enable(nop->vcc)) + dev_err(phy->dev, "Failed to enable power\n"); + } + if (!IS_ERR(nop->clk)) clk_enable(nop->clk); @@ -82,6 +89,11 @@ static void nop_shutdown(struct usb_phy *phy) if (!IS_ERR(nop->clk)) clk_disable(nop->clk); + + if (!IS_ERR(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) @@ -153,6 +165,12 @@ 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: %ld\n", + PTR_ERR(nop->vcc)); + } + nop->dev = &pdev->dev; nop->phy.dev = nop->dev; nop->phy.label = "nop-xceiv"; -- 1.7.4.1