u-boot/arch/arm/include/asm/arch-imx8/gpio.h
Peng Fan 8b2a31f133 gpio: mxc_gpio: add support for i.MX8
Add i.MX8 support, there are 8 GPIO banks.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
2018-10-22 12:59:01 +02:00

21 lines
480 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2018 NXP
*/
#ifndef __ASM_ARCH_IMX8_GPIO_H
#define __ASM_ARCH_IMX8_GPIO_H
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
/* GPIO registers */
struct gpio_regs {
u32 gpio_dr; /* data */
u32 gpio_dir; /* direction */
u32 gpio_psr; /* pad satus */
};
#endif
/* IMX8 the GPIO index is from 0 not 1 */
#define IMX_GPIO_NR(port, index) (((port) * 32) + ((index) & 31))
#endif /* __ASM_ARCH_IMX8_GPIO_H */