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) (0) 68 #define AM33XX_PADCONF(pa, conf, mux) OMAP_IOPAD_OFFSET((pa), 0x0800) (conf) (mux) 69 70 /* 71 * Macros to allow using the offset from the padconf physical address 72 * instead of the offset from padconf base. 73 */ 74 #define OMAP_PADCONF_OFFSET(offset, base_offset) ((offset) - (base_offset)) 75 76 #define OMAP4_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val) 77 #define OMAP5_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val) 78 79 /* 80 * Define some commonly used pins configured by the boards. 81 * Note that some boards use alternative pins, so check 82 * the schematics before using these. 83 */ 84 #define OMAP3_UART1_RX 0x152 85 #define OMAP3_UART2_RX 0x14a 86 #define OMAP3_UART3_RX 0x16e 87 #define OMAP4_UART2_RX 0xdc 88 #define OMAP4_UART3_RX 0x104 89 #define OMAP4_UART4_RX 0x11c 90 91 #endif 92 93