From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XC3S1-0006aI-TA for barebox@lists.infradead.org; Tue, 29 Jul 2014 09:12:15 +0000 From: Markus Pargmann Date: Tue, 29 Jul 2014 11:11:04 +0200 Message-Id: <1406625065-20070-1-git-send-email-mpa@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2 1/2] usb: chipidea: Add DT vbus-supply parsing To: barebox@lists.infradead.org Add some code to parse and enable vbus supply when probing. Signed-off-by: Markus Pargmann --- drivers/usb/imx/chipidea-imx.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c index 9b6829b8f59f..fd3a57145f4d 100644 --- a/drivers/usb/imx/chipidea-imx.c +++ b/drivers/usb/imx/chipidea-imx.c @@ -15,9 +15,11 @@ #include #include #include +#include #include #include #include +#include #include #include #include @@ -136,6 +138,7 @@ static int imx_chipidea_probe(struct device_d *dev) void __iomem *base; struct imx_chipidea *ci; uint32_t portsc; + struct regulator *vbus; ci = xzalloc(sizeof(*ci)); ci->dev = dev; @@ -184,9 +187,23 @@ static int imx_chipidea_probe(struct device_d *dev) ret = ci_udc_register(dev, base); } else { dev_err(dev, "No supported role\n"); - ret = -ENODEV; + return -ENODEV; + } + + if (ret) + return ret; + + vbus = regulator_get(dev, "vbus"); + if (IS_ERR(vbus)) { + dev_err(dev, "Failed to get vbus regulator %ld\n", PTR_ERR(vbus)); + return PTR_ERR(vbus); } + if (ci->mode == IMX_USB_MODE_HOST) + ret = regulator_enable(vbus); + else + ret = regulator_disable(vbus); + return ret; }; -- 2.0.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox