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83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
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2 | /* |
3 | * (C) Copyright 2010 | |
4 | * Marvell Semiconductor <www.marvell.com> | |
5 | * Written-by: Prafulla Wadaskar <[email protected]> | |
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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 | */ | |
ee4303cf XW |
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) ( \ | |
e5f495d1 PW |
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) | \ | |
ee4303cf | 39 | /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ |
e5f495d1 | 40 | /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ |
ee4303cf XW |
41 | /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ |
42 | /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) | |
43 | #endif | |
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44 | |
45 | /* | |
46 | * to facilitate the definition, the following macros are provided | |
47 | * | |
48 | * offset, pull,pF, drv,dF, edge,eF ,afn,aF | |
49 | */ | |
ee4303cf XW |
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) | |
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52 | #define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16) |
53 | ||
ee4303cf XW |
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) | |
e5f495d1 | 69 | |
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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) | |
e5f495d1 | 75 | |
ee4303cf | 76 | #define MFP_SLP_DI MFP(0x0000, 0, 0, 1, 0, 0, 0) |
e5f495d1 | 77 | |
ee4303cf XW |
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) | |
e5f495d1 | 83 | |
ee4303cf XW |
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) | |
e5f495d1 | 90 | |
ee4303cf XW |
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) | |
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94 | #define MFP_EOC 0xffffffff /* indicates end-of-conf */ |
95 | ||
96 | /* Functions */ | |
97 | void mfp_config(u32 *mfp_cfgs); | |
98 | ||
99 | #endif /* __MVMFP_H */ |