mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-09-29 10:52:09 +00:00
88861a2c2c
ISP1760/61/63 are a family of usb controllers, here the main goal is to support the ISP1763 hcd part found in the MPS3 FPGA board form Arm. This is based on the kernel driver and ported to u-boot. Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Driver for the NXP ISP1760 chip
|
|
*
|
|
* Copyright 2021 Linaro, Rui Miguel Silva
|
|
* Copyright 2014 Laurent Pinchart
|
|
* Copyright 2007 Sebastian Siewior
|
|
*
|
|
* Contacts:
|
|
* Sebastian Siewior <bigeasy@linutronix.de>
|
|
* Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
* Rui Miguel Silva <rui.silva@linaro.org>
|
|
*/
|
|
|
|
#ifndef _ISP1760_CORE_H_
|
|
#define _ISP1760_CORE_H_
|
|
|
|
#include <linux/compat.h>
|
|
#include <linux/ioport.h>
|
|
#include <regmap.h>
|
|
|
|
#include "isp1760-hcd.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_PERIPHERAL_EN 0x00000004 /* Port 1 supports Peripheral mode*/
|
|
#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 */
|
|
#define ISP1760_FLAG_ISP1763 0x00000200 /* Chip is ISP1763 */
|
|
#define ISP1760_FLAG_BUS_WIDTH_8 0x00000400 /* 8-bit data bus width */
|
|
|
|
struct isp1760_device {
|
|
struct udevice *dev;
|
|
|
|
unsigned int devflags;
|
|
struct gpio_desc *rst_gpio;
|
|
|
|
struct isp1760_hcd hcd;
|
|
};
|
|
|
|
int isp1760_register(struct isp1760_device *isp, struct resource *mem, int irq,
|
|
unsigned long irqflags);
|
|
void isp1760_unregister(struct isp1760_device *isp);
|
|
|
|
void isp1760_set_pullup(struct isp1760_device *isp, bool enable);
|
|
|
|
static inline u32 isp1760_field_read(struct regmap_field **fields, u32 field)
|
|
{
|
|
unsigned int val;
|
|
|
|
regmap_field_read(fields[field], &val);
|
|
|
|
return val;
|
|
}
|
|
|
|
static inline void isp1760_field_write(struct regmap_field **fields, u32 field,
|
|
u32 val)
|
|
{
|
|
regmap_field_write(fields[field], val);
|
|
}
|
|
|
|
static inline void isp1760_field_set(struct regmap_field **fields, u32 field)
|
|
{
|
|
isp1760_field_write(fields, field, 0xFFFFFFFF);
|
|
}
|
|
|
|
static inline void isp1760_field_clear(struct regmap_field **fields, u32 field)
|
|
{
|
|
isp1760_field_write(fields, field, 0);
|
|
}
|
|
|
|
static inline u32 isp1760_reg_read(struct regmap *regs, u32 reg)
|
|
{
|
|
unsigned int val;
|
|
|
|
regmap_read(regs, reg, &val);
|
|
|
|
return val;
|
|
}
|
|
|
|
static inline void isp1760_reg_write(struct regmap *regs, u32 reg, u32 val)
|
|
{
|
|
regmap_write(regs, reg, val);
|
|
}
|
|
#endif
|