include/dt-bindings/pinctrl/omap.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * This header provides constants for OMAP pinctrl bindings.
   4  *
   5  * Copyright (C) 2009 Nokia
   6  * Copyright (C) 2009-2010 Texas Instruments
   7  */
   8
   9 #ifndef _DT_BINDINGS_PINCTRL_OMAP_H
  10 #define _DT_BINDINGS_PINCTRL_OMAP_H
  11
  12 /* 34xx mux mode options for each pin. See TRM for options */
  13 #define MUX_MODE0       0
  14 #define MUX_MODE1       1
  15 #define MUX_MODE2       2
  16 #define MUX_MODE3       3
  17 #define MUX_MODE4       4
  18 #define MUX_MODE5       5
  19 #define MUX_MODE6       6
  20 #define MUX_MODE7       7
  21
  22 /* 24xx/34xx mux bit defines */
  23 #define PULL_ENA                (1 << 3)
  24 #define PULL_UP                 (1 << 4)
  25 #define ALTELECTRICALSEL        (1 << 5)
  26
  27 /* omap3/4/5 specific mux bit defines */
  28 #define INPUT_EN                (1 << 8)
  29 #define OFF_EN                  (1 << 9)
  30 #define OFFOUT_EN               (1 << 10)
  31 #define OFFOUT_VAL              (1 << 11)
  32 #define OFF_PULL_EN             (1 << 12)
  33 #define OFF_PULL_UP             (1 << 13)
  34 #define WAKEUP_EN               (1 << 14)
  35 #define WAKEUP_EVENT            (1 << 15)
  36
  37 /* Active pin states */
  38 #define PIN_OUTPUT              0
  39 #define PIN_OUTPUT_PULLUP       (PIN_OUTPUT | PULL_ENA | PULL_UP)
  40 #define PIN_OUTPUT_PULLDOWN     (PIN_OUTPUT | PULL_ENA)
  41 #define PIN_INPUT               INPUT_EN
  42 #define PIN_INPUT_PULLUP        (PULL_ENA | INPUT_EN | PULL_UP)
  43 #define PIN_INPUT_PULLDOWN      (PULL_ENA | INPUT_EN)
  44
  45 /* Off mode states */
  46 #define PIN_OFF_NONE            0
  47 #define PIN_OFF_OUTPUT_HIGH     (OFF_EN | OFFOUT_EN | OFFOUT_VAL)
  48 #define PIN_OFF_OUTPUT_LOW      (OFF_EN | OFFOUT_EN)
  49 #define PIN_OFF_INPUT_PULLUP    (OFF_EN | OFFOUT_EN | OFF_PULL_EN | OFF_PULL_UP)
  50 #define PIN_OFF_INPUT_PULLDOWN  (OFF_EN | OFFOUT_EN | OFF_PULL_EN)
  51 #define PIN_OFF_WAKEUPENABLE    WAKEUP_EN
  52
  53 /*
  54  * Macros to allow using the absolute physical address instead of the
  55  * padconf registers instead of the offset from padconf base.
  56  */
  57 #define OMAP_IOPAD_OFFSET(pa, offset)   (((pa) & 0xffff) - (offset))
  58
  59 #define OMAP2420_CORE_IOPAD(pa, val)    OMAP_IOPAD_OFFSET((pa), 0x0030) (val)
  60 #define OMAP2430_CORE_IOPAD(pa, val)    OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
  61 #define OMAP3_CORE1_IOPAD(pa, val)      OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
  62 #define OMAP3430_CORE2_IOPAD(pa, val)   OMAP_IOPAD_OFFSET((pa), 0x25d8) (val)
  63 #define OMAP3630_CORE2_IOPAD(pa, val)   OMAP_IOPAD_OFFSET((pa), 0x25a0) (val)
  64 #define OMAP3_WKUP_IOPAD(pa, val)       OMAP_IOPAD_OFFSET((pa), 0x2a00) (val)
  65 #define DM814X_IOPAD(pa, val)           OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
  66 #define DM816X_IOPAD(pa, val)           OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
  67 #define AM33XX_IOPAD(pa, val)           OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
  68
  69 /*
  70  * Macros to allow using the offset from the padconf physical address
  71  * instead  of the offset from padconf base.
  72  */
  73 #define OMAP_PADCONF_OFFSET(offset, base_offset)        ((offset) - (base_offset))
  74
  75 #define OMAP4_IOPAD(offset, val)        OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
  76 #define OMAP5_IOPAD(offset, val)        OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
  77
  78 /*
  79  * Define some commonly used pins configured by the boards.
  80  * Note that some boards use alternative pins, so check
  81  * the schematics before using these.
  82  */
  83 #define OMAP3_UART1_RX          0x152
  84 #define OMAP3_UART2_RX          0x14a
  85 #define OMAP3_UART3_RX          0x16e
  86 #define OMAP4_UART2_RX          0xdc
  87 #define OMAP4_UART3_RX          0x104
  88 #define OMAP4_UART4_RX          0x11c
  89
  90 #endif
  91