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/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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 | OFFOUT_EN | OFF_PULL_EN | OFF_PULL_UP)
#define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFFOUT_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 DM814X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
#define DM816X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
#define AM33XX_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
#define AM33XX_PADCONF(pa, dir, mux) OMAP_IOPAD_OFFSET((pa), 0x0800) ((dir) | (mux))
/*
* 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
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