uboot/u-boot-stm32mp-2020.01/arch/riscv/include/asm/arch-generic/gpio.h

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2024-01-10 06:52:34 +00:00
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2019 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_platdata {
void *base; /* address of registers in physical memory */
};
#endif /* _GPIO_SIFIVE_H */