diff options
| author | Peng Fan <peng.fan@nxp.com> | 2018-10-18 14:28:27 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2018-10-22 12:59:01 +0200 |
| commit | 8b2a31f13362521e65ccb4c7d73db467068e8e6a (patch) | |
| tree | ea682ff3642f407f3ddec415831d14548beeba21 /arch | |
| parent | 2d58296f3ec93b9d9ff862eb6e656af1f7cd8c47 (diff) | |
| download | u-boot-8b2a31f13362521e65ccb4c7d73db467068e8e6a.zip u-boot-8b2a31f13362521e65ccb4c7d73db467068e8e6a.tar.gz u-boot-8b2a31f13362521e65ccb4c7d73db467068e8e6a.tar.bz2 | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-imx8/gpio.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8/gpio.h b/arch/arm/include/asm/arch-imx8/gpio.h new file mode 100644 index 0000000..24cfde3 --- /dev/null +++ b/arch/arm/include/asm/arch-imx8/gpio.h @@ -0,0 +1,21 @@ +/* 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 */ |