diff options
Diffstat (limited to 'drivers/usb/dwc3/dwc3-omap.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-omap.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 17d1822f7687..ddbf38a94017 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -42,6 +42,7 @@ #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/platform_device.h> +#include <linux/platform_data/dwc3-omap.h> #include <linux/dma-mapping.h> #include <linux/ioport.h> #include <linux/io.h> @@ -193,6 +194,7 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap) static int __devinit dwc3_omap_probe(struct platform_device *pdev) { + struct dwc3_omap_data *pdata = pdev->dev.platform_data; struct platform_device *dwc3; struct dwc3_omap *omap; struct resource *res; @@ -258,6 +260,26 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) omap->base = base; omap->dwc3 = dwc3; + reg = dwc3_readl(omap->base, USBOTGSS_UTMI_OTG_STATUS); + + if (!pdata) { + dev_dbg(&pdev->dev, "missing platform data\n"); + } else { + switch (pdata->utmi_mode) { + case DWC3_OMAP_UTMI_MODE_SW: + reg |= USBOTGSS_UTMI_OTG_STATUS_SW_MODE; + break; + case DWC3_OMAP_UTMI_MODE_HW: + reg &= ~USBOTGSS_UTMI_OTG_STATUS_SW_MODE; + break; + default: + dev_dbg(&pdev->dev, "UNKNOWN utmi mode %d\n", + pdata->utmi_mode); + } + } + + dwc3_writel(omap->base, USBOTGSS_UTMI_OTG_STATUS, reg); + /* check the DMA Status */ reg = dwc3_readl(omap->base, USBOTGSS_SYSCONFIG); omap->dma_status = !!(reg & USBOTGSS_SYSCONFIG_DMADISABLE); |