The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/include/dt-bindings/pinctrl/at91.h

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    1 /* SPDX-License-Identifier: GPL-2.0-only */
    2 /*
    3  * This header provides constants for most at91 pinctrl bindings.
    4  *
    5  * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
    6  */
    7 
    8 #ifndef __DT_BINDINGS_AT91_PINCTRL_H__
    9 #define __DT_BINDINGS_AT91_PINCTRL_H__
   10 
   11 #define AT91_PINCTRL_NONE               (0 << 0)
   12 #define AT91_PINCTRL_PULL_UP            (1 << 0)
   13 #define AT91_PINCTRL_MULTI_DRIVE        (1 << 1)
   14 #define AT91_PINCTRL_DEGLITCH           (1 << 2)
   15 #define AT91_PINCTRL_PULL_DOWN          (1 << 3)
   16 #define AT91_PINCTRL_DIS_SCHMIT         (1 << 4)
   17 #define AT91_PINCTRL_OUTPUT             (1 << 7)
   18 #define AT91_PINCTRL_OUTPUT_VAL(x)      ((x & 0x1) << 8)
   19 #define AT91_PINCTRL_SLEWRATE           (1 << 9)
   20 #define AT91_PINCTRL_DEBOUNCE           (1 << 16)
   21 #define AT91_PINCTRL_DEBOUNCE_VAL(x)    (x << 17)
   22 
   23 #define AT91_PINCTRL_PULL_UP_DEGLITCH   (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DEGLITCH)
   24 
   25 #define AT91_PINCTRL_DRIVE_STRENGTH_DEFAULT             (0x0 << 5)
   26 #define AT91_PINCTRL_DRIVE_STRENGTH_LOW                 (0x1 << 5)
   27 #define AT91_PINCTRL_DRIVE_STRENGTH_MED                 (0x2 << 5)
   28 #define AT91_PINCTRL_DRIVE_STRENGTH_HI                  (0x3 << 5)
   29 
   30 #define AT91_PINCTRL_SLEWRATE_ENA       (0x0 << 9)
   31 #define AT91_PINCTRL_SLEWRATE_DIS       (0x1 << 9)
   32 
   33 #define AT91_PIOA       0
   34 #define AT91_PIOB       1
   35 #define AT91_PIOC       2
   36 #define AT91_PIOD       3
   37 #define AT91_PIOE       4
   38 
   39 #define AT91_PERIPH_GPIO        0
   40 #define AT91_PERIPH_A           1
   41 #define AT91_PERIPH_B           2
   42 #define AT91_PERIPH_C           3
   43 #define AT91_PERIPH_D           4
   44 
   45 #define ATMEL_PIO_DRVSTR_LO     1
   46 #define ATMEL_PIO_DRVSTR_ME     2
   47 #define ATMEL_PIO_DRVSTR_HI     3
   48 
   49 #endif /* __DT_BINDINGS_AT91_PINCTRL_H__ */

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