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 DM816X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val) 65 #define AM33XX_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val) 66 #define AM4372_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val) 67 #define DRA7XX_CORE_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x3400) (val) 68 69 /* 70 * Macros to allow using the offset from the padconf physical address 71 * instead of the offset from padconf base. 72 */ 73 #define OMAP_PADCONF_OFFSET(offset, base_offset) ((offset) - (base_offset)) 74 75 #define OMAP4_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val) 76 #define OMAP5_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val) 77 78 /* 79 * Define some commonly used pins configured by the boards. 80 * Note that some boards use alternative pins, so check 81 * the schematics before using these. 82 */ 83 #define OMAP3_UART1_RX 0x152 84 #define OMAP3_UART2_RX 0x14a 85 #define OMAP3_UART3_RX 0x16e 86 #define OMAP4_UART2_RX 0xdc 87 #define OMAP4_UART3_RX 0x104 88 #define OMAP4_UART4_RX 0x11c 89 90 #endif 91 92