66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 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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| 
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| #ifndef _ISP1760_CORE_H_
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| #define _ISP1760_CORE_H_
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| 
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| #include <linux/ioport.h>
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| 
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| #include "isp1760-hcd.h"
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| #include "isp1760-udc.h"
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| 
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| struct device;
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| struct gpio_desc;
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| 
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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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| 
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| struct isp1760_device {
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| 	struct device *dev;
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| 
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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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| 
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| 	struct isp1760_hcd hcd;
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| 	struct isp1760_udc udc;
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| };
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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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| 
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| void isp1760_set_pullup(struct isp1760_device *isp, bool enable);
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| 
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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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| 
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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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| 
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| #endif
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