root/include/dt-bindings/pinctrl/omap.h

INCLUDED FROM

/*
 * This header provides constants for OMAP pinctrl bindings.
 *
 * Copyright (C) 2009 Nokia
 * Copyright (C) 2009-2010 Texas Instruments
 */

#ifndef _DT_BINDINGS_PINCTRL_OMAP_H
#define _DT_BINDINGS_PINCTRL_OMAP_H

/* 34xx mux mode options for each pin. See TRM for options */
#define MUX_MODE0       0
#define MUX_MODE1       1
#define MUX_MODE2       2
#define MUX_MODE3       3
#define MUX_MODE4       4
#define MUX_MODE5       5
#define MUX_MODE6       6
#define MUX_MODE7       7

/* 24xx/34xx mux bit defines */
#define PULL_ENA                (1 << 3)
#define PULL_UP                 (1 << 4)
#define ALTELECTRICALSEL        (1 << 5)

/* omap3/4/5 specific mux bit defines */
#define INPUT_EN                (1 << 8)
#define OFF_EN                  (1 << 9)
#define OFFOUT_EN               (1 << 10)
#define OFFOUT_VAL              (1 << 11)
#define OFF_PULL_EN             (1 << 12)
#define OFF_PULL_UP             (1 << 13)
#define WAKEUP_EN               (1 << 14)
#define WAKEUP_EVENT            (1 << 15)

/* Active pin states */
#define PIN_OUTPUT              0
#define PIN_OUTPUT_PULLUP       (PIN_OUTPUT | PULL_ENA | PULL_UP)
#define PIN_OUTPUT_PULLDOWN     (PIN_OUTPUT | PULL_ENA)
#define PIN_INPUT               INPUT_EN
#define PIN_INPUT_PULLUP        (PULL_ENA | INPUT_EN | PULL_UP)
#define PIN_INPUT_PULLDOWN      (PULL_ENA | INPUT_EN)

/* Off mode states */
#define PIN_OFF_NONE            0
#define PIN_OFF_OUTPUT_HIGH     (OFF_EN | OFFOUT_EN | OFFOUT_VAL)
#define PIN_OFF_OUTPUT_LOW      (OFF_EN | OFFOUT_EN)
#define PIN_OFF_INPUT_PULLUP    (OFF_EN | OFF_PULL_EN | OFF_PULL_UP)
#define PIN_OFF_INPUT_PULLDOWN  (OFF_EN | OFF_PULL_EN)
#define PIN_OFF_WAKEUPENABLE    WAKEUP_EN

/*
 * Macros to allow using the absolute physical address instead of the
 * padconf registers instead of the offset from padconf base.
 */
#define OMAP_IOPAD_OFFSET(pa, offset)   (((pa) & 0xffff) - (offset))

#define OMAP2420_CORE_IOPAD(pa, val)    OMAP_IOPAD_OFFSET((pa), 0x0030) (val)
#define OMAP2430_CORE_IOPAD(pa, val)    OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
#define OMAP3_CORE1_IOPAD(pa, val)      OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
#define OMAP3430_CORE2_IOPAD(pa, val)   OMAP_IOPAD_OFFSET((pa), 0x25d8) (val)
#define OMAP3630_CORE2_IOPAD(pa, val)   OMAP_IOPAD_OFFSET((pa), 0x25a0) (val)
#define OMAP3_WKUP_IOPAD(pa, val)       OMAP_IOPAD_OFFSET((pa), 0x2a00) (val)
#define AM33XX_IOPAD(pa, val)           OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
#define AM4372_IOPAD(pa, val)           OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
#define DRA7XX_CORE_IOPAD(pa, val)      OMAP_IOPAD_OFFSET((pa), 0x3400) (val)

/*
 * Macros to allow using the offset from the padconf physical address
 * instead  of the offset from padconf base.
 */
#define OMAP_PADCONF_OFFSET(offset, base_offset)        ((offset) - (base_offset))

#define OMAP4_IOPAD(offset, val)        OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
#define OMAP5_IOPAD(offset, val)        OMAP_PADCONF_OFFSET((offset), 0x0040) (val)

/*
 * Define some commonly used pins configured by the boards.
 * Note that some boards use alternative pins, so check
 * the schematics before using these.
 */
#define OMAP3_UART1_RX          0x152
#define OMAP3_UART2_RX          0x14a
#define OMAP3_UART3_RX          0x16e
#define OMAP4_UART2_RX          0xdc
#define OMAP4_UART3_RX          0x104
#define OMAP4_UART4_RX          0x11c

#endif