uboot/arch/avr32/include/asm/arch-at32ap700x/gpio.h
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   1/*
   2 * Copyright (C) 2006, 2008 Atmel Corporation
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6#ifndef __ASM_AVR32_ARCH_GPIO_H__
   7#define __ASM_AVR32_ARCH_GPIO_H__
   8
   9#include <asm/arch/chip-features.h>
  10#include <asm/arch/hardware.h>
  11
  12#define NR_GPIO_CONTROLLERS     5
  13
  14/*
  15 * Pin numbers identifying specific GPIO pins on the chip.
  16 */
  17#define GPIO_PIOA_BASE  (0)
  18#define GPIO_PIOB_BASE  (GPIO_PIOA_BASE + 32)
  19#define GPIO_PIOC_BASE  (GPIO_PIOB_BASE + 32)
  20#define GPIO_PIOD_BASE  (GPIO_PIOC_BASE + 32)
  21#define GPIO_PIOE_BASE  (GPIO_PIOD_BASE + 32)
  22#define GPIO_PIN_PA(x)  (GPIO_PIOA_BASE + (x))
  23#define GPIO_PIN_PB(x)  (GPIO_PIOB_BASE + (x))
  24#define GPIO_PIN_PC(x)  (GPIO_PIOC_BASE + (x))
  25#define GPIO_PIN_PD(x)  (GPIO_PIOD_BASE + (x))
  26#define GPIO_PIN_PE(x)  (GPIO_PIOE_BASE + (x))
  27
  28static inline void *pio_pin_to_port(unsigned int pin)
  29{
  30        switch (pin >> 5) {
  31        case 0:
  32                return (void *)ATMEL_BASE_PIOA;
  33        case 1:
  34                return (void *)ATMEL_BASE_PIOB;
  35        case 2:
  36                return (void *)ATMEL_BASE_PIOC;
  37        case 3:
  38                return (void *)ATMEL_BASE_PIOD;
  39        case 4:
  40                return (void *)ATMEL_BASE_PIOE;
  41        default:
  42                return NULL;
  43        }
  44}
  45
  46#include <asm/arch-common/portmux-pio.h>
  47
  48#endif /* __ASM_AVR32_ARCH_GPIO_H__ */
  49