66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0
 | 
						|
/*
 | 
						|
 * 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>
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef _ISP1760_CORE_H_
 | 
						|
#define _ISP1760_CORE_H_
 | 
						|
 | 
						|
#include <linux/ioport.h>
 | 
						|
 | 
						|
#include "isp1760-hcd.h"
 | 
						|
#include "isp1760-udc.h"
 | 
						|
 | 
						|
struct device;
 | 
						|
struct gpio_desc;
 | 
						|
 | 
						|
/*
 | 
						|
 * Device flags that can vary from board to board.  All of these
 | 
						|
 * indicate the most "atypical" case, so that a devflags of 0 is
 | 
						|
 * a sane default configuration.
 | 
						|
 */
 | 
						|
#define ISP1760_FLAG_BUS_WIDTH_16	0x00000002 /* 16-bit data bus width */
 | 
						|
#define ISP1760_FLAG_OTG_EN		0x00000004 /* Port 1 supports OTG */
 | 
						|
#define ISP1760_FLAG_ANALOG_OC		0x00000008 /* Analog overcurrent */
 | 
						|
#define ISP1760_FLAG_DACK_POL_HIGH	0x00000010 /* DACK active high */
 | 
						|
#define ISP1760_FLAG_DREQ_POL_HIGH	0x00000020 /* DREQ active high */
 | 
						|
#define ISP1760_FLAG_ISP1761		0x00000040 /* Chip is ISP1761 */
 | 
						|
#define ISP1760_FLAG_INTR_POL_HIGH	0x00000080 /* Interrupt polarity active high */
 | 
						|
#define ISP1760_FLAG_INTR_EDGE_TRIG	0x00000100 /* Interrupt edge triggered */
 | 
						|
 | 
						|
struct isp1760_device {
 | 
						|
	struct device *dev;
 | 
						|
 | 
						|
	void __iomem *regs;
 | 
						|
	unsigned int devflags;
 | 
						|
	struct gpio_desc *rst_gpio;
 | 
						|
 | 
						|
	struct isp1760_hcd hcd;
 | 
						|
	struct isp1760_udc udc;
 | 
						|
};
 | 
						|
 | 
						|
int isp1760_register(struct resource *mem, int irq, unsigned long irqflags,
 | 
						|
		     struct device *dev, unsigned int devflags);
 | 
						|
void isp1760_unregister(struct device *dev);
 | 
						|
 | 
						|
void isp1760_set_pullup(struct isp1760_device *isp, bool enable);
 | 
						|
 | 
						|
static inline u32 isp1760_read32(void __iomem *base, u32 reg)
 | 
						|
{
 | 
						|
	return readl(base + reg);
 | 
						|
}
 | 
						|
 | 
						|
static inline void isp1760_write32(void __iomem *base, u32 reg, u32 val)
 | 
						|
{
 | 
						|
	writel(val, base + reg);
 | 
						|
}
 | 
						|
 | 
						|
#endif
 |