include/dt-bindings/pinctrl/omap.h

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