gpio.h 436 B

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright (C) 2012 Stefan Roese <sr@denx.de>
  4. */
  5. #ifndef __ASM_ARCH_SPEAR_GPIO_H
  6. #define __ASM_ARCH_SPEAR_GPIO_H
  7. enum gpio_direction {
  8. GPIO_DIRECTION_IN,
  9. GPIO_DIRECTION_OUT,
  10. };
  11. struct gpio_regs {
  12. u32 gpiodata[0x100]; /* 0x000 ... 0x3fc */
  13. u32 gpiodir; /* 0x400 */
  14. };
  15. #define SPEAR_GPIO_COUNT 8
  16. #define DATA_REG_ADDR(gpio) (1 << (gpio + 2))
  17. #endif /* __ASM_ARCH_SPEAR_GPIO_H */