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66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
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/*
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* Driver for the NXP ISP1760 chip
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*
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* Copyright 2014 Laurent Pinchart
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* Copyright 2007 Sebastian Siewior
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*
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* Contacts:
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* Sebastian Siewior <bigeasy@linutronix.de>
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* Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/io.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/usb.h>
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#include "isp1760-core.h"
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#include "isp1760-hcd.h"
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int isp1760_register(struct resource *mem, int irq, unsigned long irqflags,
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struct device *dev, unsigned int devflags)
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{
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struct isp1760_device *isp;
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int ret;
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if (usb_disabled())
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return -ENODEV;
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/* prevent usb-core allocating DMA pages */
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dev->dma_mask = NULL;
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isp = devm_kzalloc(dev, sizeof(*isp), GFP_KERNEL);
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if (!isp)
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return -ENOMEM;
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isp->regs = devm_ioremap_resource(dev, mem);
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if (IS_ERR(isp->regs))
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return PTR_ERR(isp->regs);
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ret = isp1760_hcd_register(&isp->hcd, isp->regs, mem, irq, irqflags,
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dev, devflags);
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if (ret < 0)
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return ret;
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dev_set_drvdata(dev, isp);
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return 0;
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}
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void isp1760_unregister(struct device *dev)
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{
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struct isp1760_device *isp = dev_get_drvdata(dev);
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isp1760_hcd_unregister(&isp->hcd);
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}
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MODULE_DESCRIPTION("Driver for the ISP1760 USB-controller from NXP");
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MODULE_AUTHOR("Sebastian Siewior <bigeasy@linuxtronix.de>");
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MODULE_LICENSE("GPL v2");
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