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