diff options
Diffstat (limited to 'drivers/usb/host/isp1760-core.c')
| -rw-r--r-- | drivers/usb/host/isp1760-core.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/usb/host/isp1760-core.c b/drivers/usb/host/isp1760-core.c new file mode 100644 index 00000000000..d38efa0e340 --- /dev/null +++ b/drivers/usb/host/isp1760-core.c @@ -0,0 +1,65 @@ +/* + * Driver for the NXP ISP1760 chip + * + * Copyright 2014 Laurent Pinchart + * Copyright 2007 Sebastian Siewior + * + * Contacts: + * Sebastian Siewior <bigeasy@linutronix.de> + * Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#include <linux/gpio.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/usb.h> + +#include "isp1760-core.h" +#include "isp1760-hcd.h" + +int isp1760_register(struct resource *mem, int irq, unsigned long irqflags, + struct device *dev, unsigned int devflags) +{ + struct isp1760_device *isp; + int ret; + + if (usb_disabled()) + return -ENODEV; + + /* prevent usb-core allocating DMA pages */ + dev->dma_mask = NULL; + + isp = devm_kzalloc(dev, sizeof(*isp), GFP_KERNEL); + if (!isp) + return -ENOMEM; + + isp->regs = devm_ioremap_resource(dev, mem); + if (IS_ERR(isp->regs)) + return PTR_ERR(isp->regs); + + ret = isp1760_hcd_register(&isp->hcd, isp->regs, mem, irq, irqflags, + dev, devflags); + if (ret < 0) + return ret; + + dev_set_drvdata(dev, isp); + + return 0; +} + +void isp1760_unregister(struct device *dev) +{ + struct isp1760_device *isp = dev_get_drvdata(dev); + + isp1760_hcd_unregister(&isp->hcd); +} + +MODULE_DESCRIPTION("Driver for the ISP1760 USB-controller from NXP"); +MODULE_AUTHOR("Sebastian Siewior <bigeasy@linuxtronix.de>"); +MODULE_LICENSE("GPL v2"); |