mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 19:43:33 +00:00
39 lines
791 B
C
39 lines
791 B
C
|
/* SPDX-License-Identifier: GPL-2.0+ */
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2020-2021 SiFive, Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _GPIO_SIFIVE_H
|
||
|
|
#define _GPIO_SIFIVE_H
|
||
|
|
|
||
|
|
#define GPIO_INPUT_VAL 0x00
|
||
|
|
#define GPIO_INPUT_EN 0x04
|
||
|
|
#define GPIO_OUTPUT_EN 0x08
|
||
|
|
#define GPIO_OUTPUT_VAL 0x0C
|
||
|
|
#define GPIO_RISE_IE 0x18
|
||
|
|
#define GPIO_RISE_IP 0x1C
|
||
|
|
#define GPIO_FALL_IE 0x20
|
||
|
|
#define GPIO_FALL_IP 0x24
|
||
|
|
#define GPIO_HIGH_IE 0x28
|
||
|
|
#define GPIO_HIGH_IP 0x2C
|
||
|
|
#define GPIO_LOW_IE 0x30
|
||
|
|
#define GPIO_LOW_IP 0x34
|
||
|
|
#define GPIO_OUTPUT_XOR 0x40
|
||
|
|
|
||
|
|
#define NR_GPIOS 16
|
||
|
|
|
||
|
|
enum gpio_state {
|
||
|
|
LOW,
|
||
|
|
HIGH
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Details about a GPIO bank */
|
||
|
|
struct sifive_gpio_plat {
|
||
|
|
void *base; /* address of registers in physical memory */
|
||
|
|
};
|
||
|
|
|
||
|
|
#define SIFIVE_GENERIC_GPIO_NR(port, index) \
|
||
|
|
(((port) * NR_GPIOS) + ((index) & (NR_GPIOS - 1)))
|
||
|
|
|
||
|
|
#endif /* _GPIO_SIFIVE_H */
|