Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2010 |
| 4 | * Marvell Semiconductor <www.marvell.com> |
| 5 | * Written-by: Prafulla Wadaskar <prafulla@marvell.com> |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 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 | */ |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 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) ( \ |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 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) | \ |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 39 | /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 40 | /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 41 | /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ |
| 42 | /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) |
| 43 | #endif |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 44 | |
| 45 | /* |
| 46 | * to facilitate the definition, the following macros are provided |
| 47 | * |
Wolfgang Denk | 0cf207e | 2021-09-27 17:42:39 +0200 | [diff] [blame] | 48 | * offset, pull,pF, drv,dF, edge,eF ,afn,aF |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 49 | */ |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 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) |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 52 | #define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16) |
| 53 | |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 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) |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 63 | |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 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) |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 69 | |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 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) |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 75 | |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 76 | #define MFP_SLP_DI MFP(0x0000, 0, 0, 1, 0, 0, 0) |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 77 | |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 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) |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 83 | |
Xiang Wang | ee4303c | 2015-03-23 17:56:58 -0500 | [diff] [blame] | 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) |
Prafulla Wadaskar | e5f495d | 2010-12-07 15:23:39 +0530 | [diff] [blame] | 94 | #define MFP_EOC 0xffffffff /* indicates end-of-conf */ |
| 95 | |
| 96 | /* Functions */ |
| 97 | void mfp_config(u32 *mfp_cfgs); |
| 98 | |
| 99 | #endif /* __MVMFP_H */ |