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include/mvmfp.h
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gpio: Add Multi-F...
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/* * (C) Copyright 2010 * Marvell Semiconductor <www.marvell.com> * Written-by: Prafulla Wadaskar <prafulla@marvell.com> * |
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* SPDX-License-Identifier: GPL-2.0+ |
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gpio: Add Multi-F...
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*/ #ifndef __MVMFP_H #define __MVMFP_H /* * Header file for MultiFunctionPin (MFP) Configururation framework * * Processors Supported: * 1. Marvell ARMADA100 Processors * * processor to be supported should be added here */ /* * MFP configuration is represented by a 32-bit unsigned integer */ #define MFP(_off, _pull, _pF, _drv, _dF, _edge, _eF, _afn, _aF) ( \ /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \ /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \ /* bit 12 - Unused */ \ /* bits 11..10 - Driver Strength */ (((_drv) & 0x3) << 10) | \ /* bit 09 - Pull State flag */ (((_pF) & 0x1) << 9) | \ /* bit 08 - Drv-strength flag */ (((_dF) & 0x1) << 8) | \ /* bit 07 - Edge-det flag */ (((_eF) & 0x1) << 7) | \ /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ /* bits 03..00 - Alt-fun flag */ (((_aF) & 0x1) << 3) | \ /* bits Alternate-fun select */ ((_afn) & 0x7)) /* * to facilitate the definition, the following macros are provided * * offset, pull,pF, drv,dF, edge,eF ,afn,aF */ #define MFP_OFFSET_MASK MFP(0xffff, 0,0, 0,0, 0,0, 0,0) #define MFP_REG(x) MFP(x, 0,0, 0,0, 0,0, 0,0) #define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16) #define MFP_AF_FLAG MFP(0x0000, 0,0, 0,0, 0,0, 0,1) #define MFP_DRIVE_FLAG MFP(0x0000, 0,0, 0,1, 0,0, 0,0) #define MFP_EDGE_FLAG MFP(0x0000, 0,0, 0,0, 0,1, 0,0) #define MFP_PULL_FLAG MFP(0x0000, 0,1, 0,0, 0,0, 0,0) #define MFP_AF0 MFP(0x0000, 0,0, 0,0, 0,0, 0,1) #define MFP_AF1 MFP(0x0000, 0,0, 0,0, 0,0, 1,1) #define MFP_AF2 MFP(0x0000, 0,0, 0,0, 0,0, 2,1) #define MFP_AF3 MFP(0x0000, 0,0, 0,0, 0,0, 3,1) #define MFP_AF4 MFP(0x0000, 0,0, 0,0, 0,0, 4,1) #define MFP_AF5 MFP(0x0000, 0,0, 0,0, 0,0, 5,1) #define MFP_AF6 MFP(0x0000, 0,0, 0,0, 0,0, 6,1) #define MFP_AF7 MFP(0x0000, 0,0, 0,0, 0,0, 7,1) #define MFP_AF_MASK MFP(0x0000, 0,0, 0,0, 0,0, 7,0) #define MFP_LPM_EDGE_NONE MFP(0x0000, 0,0, 0,0, 0,1, 0,0) #define MFP_LPM_EDGE_RISE MFP(0x0000, 0,0, 0,0, 1,1, 0,0) #define MFP_LPM_EDGE_FALL MFP(0x0000, 0,0, 0,0, 2,1, 0,0) #define MFP_LPM_EDGE_BOTH MFP(0x0000, 0,0, 0,0, 3,1, 0,0) #define MFP_LPM_EDGE_MASK MFP(0x0000, 0,0, 0,0, 3,0, 0,0) #define MFP_DRIVE_VERY_SLOW MFP(0x0000, 0,0, 0,1, 0,0, 0,0) #define MFP_DRIVE_SLOW MFP(0x0000, 0,0, 1,1, 0,0, 0,0) #define MFP_DRIVE_MEDIUM MFP(0x0000, 0,0, 2,1, 0,0, 0,0) #define MFP_DRIVE_FAST MFP(0x0000, 0,0, 3,1, 0,0, 0,0) #define MFP_DRIVE_MASK MFP(0x0000, 0,0, 3,0, 0,0, 0,0) #define MFP_PULL_NONE MFP(0x0000, 0,1, 0,0, 0,0, 0,0) #define MFP_PULL_LOW MFP(0x0000, 1,1, 0,0, 0,0, 0,0) #define MFP_PULL_HIGH MFP(0x0000, 2,1, 0,0, 0,0, 0,0) #define MFP_PULL_BOTH MFP(0x0000, 3,1, 0,0, 0,0, 0,0) #define MFP_PULL_FLOAT MFP(0x0000, 4,1, 0,0, 0,0, 0,0) #define MFP_PULL_MASK MFP(0x0000, 7,0, 0,0, 0,0, 0,0) #define MFP_EOC 0xffffffff /* indicates end-of-conf */ /* Functions */ void mfp_config(u32 *mfp_cfgs); #endif /* __MVMFP_H */ |