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65 lines
1.8 KiB
65 lines
1.8 KiB
/* 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 <[email protected]> |
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* Laurent Pinchart <[email protected]> |
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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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