1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2010 4 * Marvell Semiconductor <www.marvell.com> 5 * Written-by: Prafulla Wadaskar <prafulla (at) marvell.com> 6 */ 7 8 #ifndef __MVMFP_H 9 #define __MVMFP_H 10 11 /* 12 * Header file for MultiFunctionPin (MFP) Configururation framework 13 * 14 * Processors Supported: 15 * 1. Marvell ARMADA100 Processors 16 * 17 * processor to be supported should be added here 18 */ 19 20 /* 21 * MFP configuration is represented by a 32-bit unsigned integer 22 */ 23 #ifdef CONFIG_MVMFP_V2 24 #define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \ 25 /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \ 26 /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \ 27 /* bit 12..11 - Driver Strength */ (((_drv) & 0x3) << 11) | \ 28 /* bits 10 - pad driver */ (((_slp) & 0x1) << 10) | \ 29 /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ 30 /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ 31 /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ 32 /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) 33 #else 34 #define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \ 35 /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \ 36 /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \ 37 /* bit 12 - Unused */ \ 38 /* bits 11..10 - Driver Strength */ (((_drv) & 0x3) << 10) | \ 39 /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ 40 /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ 41 /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ 42 /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) 43 #endif 44 45 /* 46 * to facilitate the definition, the following macros are provided 47 * 48 * offset, pull,pF, drv,dF, edge,eF ,afn,aF 49 */ 50 #define MFP_OFFSET_MASK MFP(0xffff, 0, 0, 0, 0, 0, 0) 51 #define MFP_REG(x) MFP(x, 0, 0, 0, 0, 0, 0) 52 #define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16) 53 54 #define MFP_AF0 MFP(0x0000, 0, 0, 0, 0, 0, 0) 55 #define MFP_AF1 MFP(0x0000, 0, 0, 0, 0, 0, 1) 56 #define MFP_AF2 MFP(0x0000, 0, 0, 0, 0, 0, 2) 57 #define MFP_AF3 MFP(0x0000, 0, 0, 0, 0, 0, 3) 58 #define MFP_AF4 MFP(0x0000, 0, 0, 0, 0, 0, 4) 59 #define MFP_AF5 MFP(0x0000, 0, 0, 0, 0, 0, 5) 60 #define MFP_AF6 MFP(0x0000, 0, 0, 0, 0, 0, 6) 61 #define MFP_AF7 MFP(0x0000, 0, 0, 0, 0, 0, 7) 62 #define MFP_AF_MASK MFP(0x0000, 0, 0, 0, 0, 0, 7) 63 64 #define MFP_SLEEP_CTRL2 MFP(0x0000, 0, 0, 0, 0, 1, 0) 65 #define MFP_SLEEP_DIR MFP(0x0000, 0, 0, 0, 0, 2, 0) 66 #define MFP_SLEEP_DATA MFP(0x0000, 0, 0, 0, 0, 4, 0) 67 #define MFP_SLEEP_CTRL MFP(0x0000, 0, 0, 0, 0, 8, 0) 68 #define MFP_SLEEP_MASK MFP(0x0000, 0, 0, 0, 0, 0xf, 0) 69 70 #define MFP_LPM_EDGE_NONE MFP(0x0000, 0, 0, 0, 4, 0, 0) 71 #define MFP_LPM_EDGE_RISE MFP(0x0000, 0, 0, 0, 1, 0, 0) 72 #define MFP_LPM_EDGE_FALL MFP(0x0000, 0, 0, 0, 2, 0, 0) 73 #define MFP_LPM_EDGE_BOTH MFP(0x0000, 0, 0, 0, 3, 0, 0) 74 #define MFP_LPM_EDGE_MASK MFP(0x0000, 0, 0, 0, 7, 0, 0) 75 76 #define MFP_SLP_DI MFP(0x0000, 0, 0, 1, 0, 0, 0) 77 78 #define MFP_DRIVE_VERY_SLOW MFP(0x0000, 0, 0, 0, 0, 0, 0) 79 #define MFP_DRIVE_SLOW MFP(0x0000, 0, 1, 0, 0, 0, 0) 80 #define MFP_DRIVE_MEDIUM MFP(0x0000, 0, 2, 0, 0, 0, 0) 81 #define MFP_DRIVE_FAST MFP(0x0000, 0, 3, 0, 0, 0, 0) 82 #define MFP_DRIVE_MASK MFP(0x0000, 0, 3, 0, 0, 0, 0) 83 84 #define MFP_PULL_NONE MFP(0x0000, 0, 0, 0, 0, 0, 0) 85 #define MFP_PULL_LOW MFP(0x0000, 5, 0, 0, 0, 0, 0) 86 #define MFP_PULL_HIGH MFP(0x0000, 6, 0, 0, 0, 0, 0) 87 #define MFP_PULL_BOTH MFP(0x0000, 7, 0, 0, 0, 0, 0) 88 #define MFP_PULL_FLOAT MFP(0x0000, 4, 0, 0, 0, 0, 0) 89 #define MFP_PULL_MASK MFP(0x0000, 7, 0, 0, 0, 0, 0) 90 91 #define MFP_VALUE_MASK (MFP_PULL_MASK | MFP_DRIVE_MASK | MFP_SLP_DI \ 92 | MFP_LPM_EDGE_MASK | MFP_SLEEP_MASK \ 93 | MFP_AF_MASK) 94 #define MFP_EOC 0xffffffff /* indicates end-of-conf */ 95 96 /* Functions */ 97 void mfp_config(u32 *mfp_cfgs); 98 99 #endif /* __MVMFP_H */ 100
