1 /* 2 * This header provides constants for DRA pinctrl bindings. 3 * 4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ 5 * Author: Rajendra Nayak <rnayak@ti.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #ifndef _DT_BINDINGS_PINCTRL_DRA_H 13 #define _DT_BINDINGS_PINCTRL_DRA_H 14 15 /* DRA7 mux mode options for each pin. See TRM for options */ 16 #define MUX_MODE0 0x0 17 #define MUX_MODE1 0x1 18 #define MUX_MODE2 0x2 19 #define MUX_MODE3 0x3 20 #define MUX_MODE4 0x4 21 #define MUX_MODE5 0x5 22 #define MUX_MODE6 0x6 23 #define MUX_MODE7 0x7 24 #define MUX_MODE8 0x8 25 #define MUX_MODE9 0x9 26 #define MUX_MODE10 0xa 27 #define MUX_MODE11 0xb 28 #define MUX_MODE12 0xc 29 #define MUX_MODE13 0xd 30 #define MUX_MODE14 0xe 31 #define MUX_MODE15 0xf 32 33 /* Certain pins need virtual mode, but note: they may glitch */ 34 #define MUX_VIRTUAL_MODE0 (MODE_SELECT | (0x0 << 4)) 35 #define MUX_VIRTUAL_MODE1 (MODE_SELECT | (0x1 << 4)) 36 #define MUX_VIRTUAL_MODE2 (MODE_SELECT | (0x2 << 4)) 37 #define MUX_VIRTUAL_MODE3 (MODE_SELECT | (0x3 << 4)) 38 #define MUX_VIRTUAL_MODE4 (MODE_SELECT | (0x4 << 4)) 39 #define MUX_VIRTUAL_MODE5 (MODE_SELECT | (0x5 << 4)) 40 #define MUX_VIRTUAL_MODE6 (MODE_SELECT | (0x6 << 4)) 41 #define MUX_VIRTUAL_MODE7 (MODE_SELECT | (0x7 << 4)) 42 #define MUX_VIRTUAL_MODE8 (MODE_SELECT | (0x8 << 4)) 43 #define MUX_VIRTUAL_MODE9 (MODE_SELECT | (0x9 << 4)) 44 #define MUX_VIRTUAL_MODE10 (MODE_SELECT | (0xa << 4)) 45 #define MUX_VIRTUAL_MODE11 (MODE_SELECT | (0xb << 4)) 46 #define MUX_VIRTUAL_MODE12 (MODE_SELECT | (0xc << 4)) 47 #define MUX_VIRTUAL_MODE13 (MODE_SELECT | (0xd << 4)) 48 #define MUX_VIRTUAL_MODE14 (MODE_SELECT | (0xe << 4)) 49 #define MUX_VIRTUAL_MODE15 (MODE_SELECT | (0xf << 4)) 50 51 #define MODE_SELECT (1 << 8) 52 53 #define PULL_ENA (0 << 16) 54 #define PULL_DIS (1 << 16) 55 #define PULL_UP (1 << 17) 56 #define INPUT_EN (1 << 18) 57 #define SLEWCONTROL (1 << 19) 58 #define WAKEUP_EN (1 << 24) 59 #define WAKEUP_EVENT (1 << 25) 60 61 /* Active pin states */ 62 #define PIN_OUTPUT (0 | PULL_DIS) 63 #define PIN_OUTPUT_PULLUP (PULL_UP) 64 #define PIN_OUTPUT_PULLDOWN (0) 65 #define PIN_INPUT (INPUT_EN | PULL_DIS) 66 #define PIN_INPUT_SLEW (INPUT_EN | SLEWCONTROL) 67 #define PIN_INPUT_PULLUP (PULL_ENA | INPUT_EN | PULL_UP) 68 #define PIN_INPUT_PULLDOWN (PULL_ENA | INPUT_EN) 69 70 /* 71 * Macro to allow using the absolute physical address instead of the 72 * padconf registers instead of the offset from padconf base. 73 */ 74 #define DRA7XX_CORE_IOPAD(pa, val) (((pa) & 0xffff) - 0x3400) (val) 75 76 #endif 77 78