arch/avr32/include/asm/arch-at32ap700x/gpio.h

   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
  28 static 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__ */