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29e9ead2fe
This patch corrects the SPDX License Identifier style in header files related to ISP1760 USB host controller. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used). Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Link: https://lore.kernel.org/r/20200404093803.GA4983@nishad Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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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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#ifndef _ISP1760_CORE_H_
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#define _ISP1760_CORE_H_
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#include <linux/ioport.h>
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#include "isp1760-hcd.h"
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#include "isp1760-udc.h"
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struct device;
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struct gpio_desc;
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/*
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* Device flags that can vary from board to board. All of these
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* indicate the most "atypical" case, so that a devflags of 0 is
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* a sane default configuration.
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*/
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#define ISP1760_FLAG_BUS_WIDTH_16 0x00000002 /* 16-bit data bus width */
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#define ISP1760_FLAG_OTG_EN 0x00000004 /* Port 1 supports OTG */
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#define ISP1760_FLAG_ANALOG_OC 0x00000008 /* Analog overcurrent */
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#define ISP1760_FLAG_DACK_POL_HIGH 0x00000010 /* DACK active high */
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#define ISP1760_FLAG_DREQ_POL_HIGH 0x00000020 /* DREQ active high */
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#define ISP1760_FLAG_ISP1761 0x00000040 /* Chip is ISP1761 */
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#define ISP1760_FLAG_INTR_POL_HIGH 0x00000080 /* Interrupt polarity active high */
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#define ISP1760_FLAG_INTR_EDGE_TRIG 0x00000100 /* Interrupt edge triggered */
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struct isp1760_device {
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struct device *dev;
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void __iomem *regs;
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unsigned int devflags;
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struct gpio_desc *rst_gpio;
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struct isp1760_hcd hcd;
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struct isp1760_udc udc;
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};
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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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void isp1760_unregister(struct device *dev);
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void isp1760_set_pullup(struct isp1760_device *isp, bool enable);
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static inline u32 isp1760_read32(void __iomem *base, u32 reg)
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{
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return readl(base + reg);
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}
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static inline void isp1760_write32(void __iomem *base, u32 reg, u32 val)
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{
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writel(val, base + reg);
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}
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#endif
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