1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Driver for the NXP ISP1760 chip 4 * 5 * Copyright 2014 Laurent Pinchart 6 * Copyright 2007 Sebastian Siewior 7 * 8 * Contacts: 9 * Sebastian Siewior <bigeasy@linutronix.de> 10 * Laurent Pinchart <laurent.pinchart@ideasonboard.com> 11 */ 12 13 #ifndef _ISP1760_CORE_H_ 14 #define _ISP1760_CORE_H_ 15 16 #include <linux/ioport.h> 17 18 #include "isp1760-hcd.h" 19 #include "isp1760-udc.h" 20 21 struct device; 22 struct gpio_desc; 23 24 /* 25 * Device flags that can vary from board to board. All of these 26 * indicate the most "atypical" case, so that a devflags of 0 is 27 * a sane default configuration. 28 */ 29 #define ISP1760_FLAG_BUS_WIDTH_16 0x00000002 /* 16-bit data bus width */ 30 #define ISP1760_FLAG_OTG_EN 0x00000004 /* Port 1 supports OTG */ 31 #define ISP1760_FLAG_ANALOG_OC 0x00000008 /* Analog overcurrent */ 32 #define ISP1760_FLAG_DACK_POL_HIGH 0x00000010 /* DACK active high */ 33 #define ISP1760_FLAG_DREQ_POL_HIGH 0x00000020 /* DREQ active high */ 34 #define ISP1760_FLAG_ISP1761 0x00000040 /* Chip is ISP1761 */ 35 #define ISP1760_FLAG_INTR_POL_HIGH 0x00000080 /* Interrupt polarity active high */ 36 #define ISP1760_FLAG_INTR_EDGE_TRIG 0x00000100 /* Interrupt edge triggered */ 37 38 struct isp1760_device { 39 struct device *dev; 40 41 void __iomem *regs; 42 unsigned int devflags; 43 struct gpio_desc *rst_gpio; 44 45 struct isp1760_hcd hcd; 46 struct isp1760_udc udc; 47 }; 48 49 int isp1760_register(struct resource *mem, int irq, unsigned long irqflags, 50 struct device *dev, unsigned int devflags); 51 void isp1760_unregister(struct device *dev); 52 53 void isp1760_set_pullup(struct isp1760_device *isp, bool enable); 54 55 static inline u32 isp1760_read32(void __iomem *base, u32 reg) 56 { 57 return readl(base + reg); 58 } 59 60 static inline void isp1760_write32(void __iomem *base, u32 reg, u32 val) 61 { 62 writel(val, base + reg); 63 } 64 65 #endif 66