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 #ifndef _ISP1760_CORE_H_ 17 #define _ISP1760_CORE_H_ 18 19 #include <linux/ioport.h> 20 21 #include "isp1760-hcd.h" 22 #include "isp1760-udc.h" 23 24 struct device; 25 struct gpio_desc; 26 27 /* 28 * Device flags that can vary from board to board. All of these 29 * indicate the most "atypical" case, so that a devflags of 0 is 30 * a sane default configuration. 31 */ 32 #define ISP1760_FLAG_BUS_WIDTH_16 0x00000002 /* 16-bit data bus width */ 33 #define ISP1760_FLAG_OTG_EN 0x00000004 /* Port 1 supports OTG */ 34 #define ISP1760_FLAG_ANALOG_OC 0x00000008 /* Analog overcurrent */ 35 #define ISP1760_FLAG_DACK_POL_HIGH 0x00000010 /* DACK active high */ 36 #define ISP1760_FLAG_DREQ_POL_HIGH 0x00000020 /* DREQ active high */ 37 #define ISP1760_FLAG_ISP1761 0x00000040 /* Chip is ISP1761 */ 38 #define ISP1760_FLAG_INTR_POL_HIGH 0x00000080 /* Interrupt polarity active high */ 39 #define ISP1760_FLAG_INTR_EDGE_TRIG 0x00000100 /* Interrupt edge triggered */ 40 41 struct isp1760_device { 42 struct device *dev; 43 44 void __iomem *regs; 45 unsigned int devflags; 46 struct gpio_desc *rst_gpio; 47 48 struct isp1760_hcd hcd; 49 struct isp1760_udc udc; 50 }; 51 52 int isp1760_register(struct resource *mem, int irq, unsigned long irqflags, 53 struct device *dev, unsigned int devflags); 54 void isp1760_unregister(struct device *dev); 55 56 void isp1760_set_pullup(struct isp1760_device *isp, bool enable); 57 58 static inline u32 isp1760_read32(void __iomem *base, u32 reg) 59 { 60 return readl(base + reg); 61 } 62 63 static inline void isp1760_write32(void __iomem *base, u32 reg, u32 val) 64 { 65 writel(val, base + reg); 66 } 67 68 #endif 69