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/am43xx.h

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    1 /* SPDX-License-Identifier: GPL-2.0 */
    2 /*
    3  * This header provides constants specific to AM43XX pinctrl bindings.
    4  */
    5 
    6 #ifndef _DT_BINDINGS_PINCTRL_AM43XX_H
    7 #define _DT_BINDINGS_PINCTRL_AM43XX_H
    8 
    9 #define MUX_MODE0       0
   10 #define MUX_MODE1       1
   11 #define MUX_MODE2       2
   12 #define MUX_MODE3       3
   13 #define MUX_MODE4       4
   14 #define MUX_MODE5       5
   15 #define MUX_MODE6       6
   16 #define MUX_MODE7       7
   17 #define MUX_MODE8       8
   18 #define MUX_MODE9       9
   19 
   20 #define PULL_DISABLE            (1 << 16)
   21 #define PULL_UP                 (1 << 17)
   22 #define INPUT_EN                (1 << 18)
   23 #define SLEWCTRL_SLOW           (1 << 19)
   24 #define SLEWCTRL_FAST           0
   25 #define DS0_FORCE_OFF_MODE      (1 << 24)
   26 #define DS0_INPUT               (1 << 25)
   27 #define DS0_FORCE_OUT_HIGH      (1 << 26)
   28 #define DS0_PULL_UP_DOWN_EN     (0 << 27)
   29 #define DS0_PULL_UP_DOWN_DIS    (1 << 27)
   30 #define DS0_PULL_UP_SEL         (1 << 28)
   31 #define WAKEUP_ENABLE           (1 << 29)
   32 
   33 #define DS0_PIN_OUTPUT          (DS0_FORCE_OFF_MODE)
   34 #define DS0_PIN_OUTPUT_HIGH     (DS0_FORCE_OFF_MODE | DS0_FORCE_OUT_HIGH)
   35 #define DS0_PIN_OUTPUT_PULLUP   (DS0_FORCE_OFF_MODE | DS0_PULL_UP_DOWN_EN | DS0_PULL_UP_SEL)
   36 #define DS0_PIN_OUTPUT_PULLDOWN (DS0_FORCE_OFF_MODE | DS0_PULL_UP_DOWN_EN)
   37 #define DS0_PIN_INPUT           (DS0_FORCE_OFF_MODE | DS0_INPUT)
   38 #define DS0_PIN_INPUT_PULLUP    (DS0_FORCE_OFF_MODE | DS0_INPUT | DS0_PULL_UP_DOWN_EN | DS0_PULL_UP_SEL)
   39 #define DS0_PIN_INPUT_PULLDOWN  (DS0_FORCE_OFF_MODE | DS0_INPUT | DS0_PULL_UP_DOWN_EN)
   40 
   41 #define PIN_OUTPUT              (PULL_DISABLE)
   42 #define PIN_OUTPUT_PULLUP       (PULL_UP)
   43 #define PIN_OUTPUT_PULLDOWN     0
   44 #define PIN_INPUT               (INPUT_EN | PULL_DISABLE)
   45 #define PIN_INPUT_PULLUP        (INPUT_EN | PULL_UP)
   46 #define PIN_INPUT_PULLDOWN      (INPUT_EN)
   47 
   48 /*
   49  * Macro to allow using the absolute physical address instead of the
   50  * padconf registers instead of the offset from padconf base.
   51  */
   52 #define AM4372_IOPAD(pa, val)   (((pa) & 0xffff) - 0x0800) (val)
   53 
   54 #endif
   55

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