| Laurent Pinchart | 4b1a577 | 2015-01-21 00:55:57 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Driver for the NXP ISP1760 chip |
| 3 | * |
| 4 | * Copyright 2014 Laurent Pinchart |
| 5 | * Copyright 2007 Sebastian Siewior |
| 6 | * |
| 7 | * Contacts: |
| 8 | * Sebastian Siewior <bigeasy@linutronix.de> |
| 9 | * Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License |
| 13 | * version 2 as published by the Free Software Foundation. |
| 14 | */ |
| 15 | |
| 16 | #include <linux/gpio.h> |
| 17 | #include <linux/io.h> |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/module.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/usb.h> |
| 22 | |
| 23 | #include "isp1760-core.h" |
| 24 | #include "isp1760-hcd.h" |
| 25 | |
| 26 | int isp1760_register(struct resource *mem, int irq, unsigned long irqflags, |
| 27 | struct device *dev, unsigned int devflags) |
| 28 | { |
| 29 | struct isp1760_device *isp; |
| 30 | int ret; |
| 31 | |
| 32 | if (usb_disabled()) |
| 33 | return -ENODEV; |
| 34 | |
| 35 | /* prevent usb-core allocating DMA pages */ |
| 36 | dev->dma_mask = NULL; |
| 37 | |
| 38 | isp = devm_kzalloc(dev, sizeof(*isp), GFP_KERNEL); |
| 39 | if (!isp) |
| 40 | return -ENOMEM; |
| 41 | |
| 42 | isp->regs = devm_ioremap_resource(dev, mem); |
| 43 | if (IS_ERR(isp->regs)) |
| 44 | return PTR_ERR(isp->regs); |
| 45 | |
| Laurent Pinchart | 667c45c | 2015-01-21 00:55:58 +0200 | [diff] [blame^] | 46 | ret = isp1760_hcd_register(&isp->hcd, isp->regs, mem, irq, |
| 47 | irqflags | IRQF_SHARED, dev, devflags); |
| Laurent Pinchart | 4b1a577 | 2015-01-21 00:55:57 +0200 | [diff] [blame] | 48 | if (ret < 0) |
| 49 | return ret; |
| 50 | |
| 51 | dev_set_drvdata(dev, isp); |
| 52 | |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | void isp1760_unregister(struct device *dev) |
| 57 | { |
| 58 | struct isp1760_device *isp = dev_get_drvdata(dev); |
| 59 | |
| 60 | isp1760_hcd_unregister(&isp->hcd); |
| 61 | } |
| 62 | |
| 63 | MODULE_DESCRIPTION("Driver for the ISP1760 USB-controller from NXP"); |
| 64 | MODULE_AUTHOR("Sebastian Siewior <bigeasy@linuxtronix.de>"); |
| 65 | MODULE_LICENSE("GPL v2"); |