include/dt-bindings/pinctrl/dra.h

   1 /*
   2  * This header provides constants for DRA pinctrl bindings.
   3  *
   4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   5  * Author: Rajendra Nayak <rnayak@ti.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #ifndef _DT_BINDINGS_PINCTRL_DRA_H
  13 #define _DT_BINDINGS_PINCTRL_DRA_H
  14
  15 /* DRA7 mux mode options for each pin. See TRM for options */
  16 #define MUX_MODE0       0x0
  17 #define MUX_MODE1       0x1
  18 #define MUX_MODE2       0x2
  19 #define MUX_MODE3       0x3
  20 #define MUX_MODE4       0x4
  21 #define MUX_MODE5       0x5
  22 #define MUX_MODE6       0x6
  23 #define MUX_MODE7       0x7
  24 #define MUX_MODE8       0x8
  25 #define MUX_MODE9       0x9
  26 #define MUX_MODE10      0xa
  27 #define MUX_MODE11      0xb
  28 #define MUX_MODE12      0xc
  29 #define MUX_MODE13      0xd
  30 #define MUX_MODE14      0xe
  31 #define MUX_MODE15      0xf
  32
  33 /* Certain pins need virtual mode, but note: they may glitch */
  34 #define MUX_VIRTUAL_MODE0       (MODE_SELECT | (0x0 << 4))
  35 #define MUX_VIRTUAL_MODE1       (MODE_SELECT | (0x1 << 4))
  36 #define MUX_VIRTUAL_MODE2       (MODE_SELECT | (0x2 << 4))
  37 #define MUX_VIRTUAL_MODE3       (MODE_SELECT | (0x3 << 4))
  38 #define MUX_VIRTUAL_MODE4       (MODE_SELECT | (0x4 << 4))
  39 #define MUX_VIRTUAL_MODE5       (MODE_SELECT | (0x5 << 4))
  40 #define MUX_VIRTUAL_MODE6       (MODE_SELECT | (0x6 << 4))
  41 #define MUX_VIRTUAL_MODE7       (MODE_SELECT | (0x7 << 4))
  42 #define MUX_VIRTUAL_MODE8       (MODE_SELECT | (0x8 << 4))
  43 #define MUX_VIRTUAL_MODE9       (MODE_SELECT | (0x9 << 4))
  44 #define MUX_VIRTUAL_MODE10      (MODE_SELECT | (0xa << 4))
  45 #define MUX_VIRTUAL_MODE11      (MODE_SELECT | (0xb << 4))
  46 #define MUX_VIRTUAL_MODE12      (MODE_SELECT | (0xc << 4))
  47 #define MUX_VIRTUAL_MODE13      (MODE_SELECT | (0xd << 4))
  48 #define MUX_VIRTUAL_MODE14      (MODE_SELECT | (0xe << 4))
  49 #define MUX_VIRTUAL_MODE15      (MODE_SELECT | (0xf << 4))
  50
  51 #define MODE_SELECT             (1 << 8)
  52
  53 #define PULL_ENA                (0 << 16)
  54 #define PULL_DIS                (1 << 16)
  55 #define PULL_UP                 (1 << 17)
  56 #define INPUT_EN                (1 << 18)
  57 #define SLEWCONTROL             (1 << 19)
  58 #define WAKEUP_EN               (1 << 24)
  59 #define WAKEUP_EVENT            (1 << 25)
  60
  61 /* Active pin states */
  62 #define PIN_OUTPUT              (0 | PULL_DIS)
  63 #define PIN_OUTPUT_PULLUP       (PULL_UP)
  64 #define PIN_OUTPUT_PULLDOWN     (0)
  65 #define PIN_INPUT               (INPUT_EN | PULL_DIS)
  66 #define PIN_INPUT_SLEW          (INPUT_EN | SLEWCONTROL)
  67 #define PIN_INPUT_PULLUP        (PULL_ENA | INPUT_EN | PULL_UP)
  68 #define PIN_INPUT_PULLDOWN      (PULL_ENA | INPUT_EN)
  69
  70 /*
  71  * Macro to allow using the absolute physical address instead of the
  72  * padconf registers instead of the offset from padconf base.
  73  */
  74 #define DRA7XX_CORE_IOPAD(pa, val)      (((pa) & 0xffff) - 0x3400) (val)
  75
  76 /* DRA7 IODELAY configuration parameters */
  77 #define A_DELAY_PS(val)                 ((val) & 0xffff)
  78 #define G_DELAY_PS(val)                 ((val) & 0xffff)
  79 #endif
  80