| /* 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) |
| |
| /* |
| * 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 |
| |