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2c8086a5 | 1 | /* |
2 | * linux/include/asm-arm/arch-pxa/mfp.h | |
3 | * | |
4 | * Multi-Function Pin Definitions | |
5 | * | |
6 | * Copyright (C) 2007 Marvell International Ltd. | |
7 | * | |
e9bba8ee | 8 | * 2007-8-21: eric miao <eric.miao@marvell.com> |
2c8086a5 | 9 | * initial version |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | #ifndef __ASM_ARCH_MFP_H | |
17 | #define __ASM_ARCH_MFP_H | |
18 | ||
2c8086a5 | 19 | #define mfp_to_gpio(m) ((m) % 128) |
20 | ||
21 | /* list of all the configurable MFP pins */ | |
22 | enum { | |
23 | MFP_PIN_INVALID = -1, | |
24 | ||
25 | MFP_PIN_GPIO0 = 0, | |
26 | MFP_PIN_GPIO1, | |
27 | MFP_PIN_GPIO2, | |
28 | MFP_PIN_GPIO3, | |
29 | MFP_PIN_GPIO4, | |
30 | MFP_PIN_GPIO5, | |
31 | MFP_PIN_GPIO6, | |
32 | MFP_PIN_GPIO7, | |
33 | MFP_PIN_GPIO8, | |
34 | MFP_PIN_GPIO9, | |
35 | MFP_PIN_GPIO10, | |
36 | MFP_PIN_GPIO11, | |
37 | MFP_PIN_GPIO12, | |
38 | MFP_PIN_GPIO13, | |
39 | MFP_PIN_GPIO14, | |
40 | MFP_PIN_GPIO15, | |
41 | MFP_PIN_GPIO16, | |
42 | MFP_PIN_GPIO17, | |
43 | MFP_PIN_GPIO18, | |
44 | MFP_PIN_GPIO19, | |
45 | MFP_PIN_GPIO20, | |
46 | MFP_PIN_GPIO21, | |
47 | MFP_PIN_GPIO22, | |
48 | MFP_PIN_GPIO23, | |
49 | MFP_PIN_GPIO24, | |
50 | MFP_PIN_GPIO25, | |
51 | MFP_PIN_GPIO26, | |
52 | MFP_PIN_GPIO27, | |
53 | MFP_PIN_GPIO28, | |
54 | MFP_PIN_GPIO29, | |
55 | MFP_PIN_GPIO30, | |
56 | MFP_PIN_GPIO31, | |
57 | MFP_PIN_GPIO32, | |
58 | MFP_PIN_GPIO33, | |
59 | MFP_PIN_GPIO34, | |
60 | MFP_PIN_GPIO35, | |
61 | MFP_PIN_GPIO36, | |
62 | MFP_PIN_GPIO37, | |
63 | MFP_PIN_GPIO38, | |
64 | MFP_PIN_GPIO39, | |
65 | MFP_PIN_GPIO40, | |
66 | MFP_PIN_GPIO41, | |
67 | MFP_PIN_GPIO42, | |
68 | MFP_PIN_GPIO43, | |
69 | MFP_PIN_GPIO44, | |
70 | MFP_PIN_GPIO45, | |
71 | MFP_PIN_GPIO46, | |
72 | MFP_PIN_GPIO47, | |
73 | MFP_PIN_GPIO48, | |
74 | MFP_PIN_GPIO49, | |
75 | MFP_PIN_GPIO50, | |
76 | MFP_PIN_GPIO51, | |
77 | MFP_PIN_GPIO52, | |
78 | MFP_PIN_GPIO53, | |
79 | MFP_PIN_GPIO54, | |
80 | MFP_PIN_GPIO55, | |
81 | MFP_PIN_GPIO56, | |
82 | MFP_PIN_GPIO57, | |
83 | MFP_PIN_GPIO58, | |
84 | MFP_PIN_GPIO59, | |
85 | MFP_PIN_GPIO60, | |
86 | MFP_PIN_GPIO61, | |
87 | MFP_PIN_GPIO62, | |
88 | MFP_PIN_GPIO63, | |
89 | MFP_PIN_GPIO64, | |
90 | MFP_PIN_GPIO65, | |
91 | MFP_PIN_GPIO66, | |
92 | MFP_PIN_GPIO67, | |
93 | MFP_PIN_GPIO68, | |
94 | MFP_PIN_GPIO69, | |
95 | MFP_PIN_GPIO70, | |
96 | MFP_PIN_GPIO71, | |
97 | MFP_PIN_GPIO72, | |
98 | MFP_PIN_GPIO73, | |
99 | MFP_PIN_GPIO74, | |
100 | MFP_PIN_GPIO75, | |
101 | MFP_PIN_GPIO76, | |
102 | MFP_PIN_GPIO77, | |
103 | MFP_PIN_GPIO78, | |
104 | MFP_PIN_GPIO79, | |
105 | MFP_PIN_GPIO80, | |
106 | MFP_PIN_GPIO81, | |
107 | MFP_PIN_GPIO82, | |
108 | MFP_PIN_GPIO83, | |
109 | MFP_PIN_GPIO84, | |
110 | MFP_PIN_GPIO85, | |
111 | MFP_PIN_GPIO86, | |
112 | MFP_PIN_GPIO87, | |
113 | MFP_PIN_GPIO88, | |
114 | MFP_PIN_GPIO89, | |
115 | MFP_PIN_GPIO90, | |
116 | MFP_PIN_GPIO91, | |
117 | MFP_PIN_GPIO92, | |
118 | MFP_PIN_GPIO93, | |
119 | MFP_PIN_GPIO94, | |
120 | MFP_PIN_GPIO95, | |
121 | MFP_PIN_GPIO96, | |
122 | MFP_PIN_GPIO97, | |
123 | MFP_PIN_GPIO98, | |
124 | MFP_PIN_GPIO99, | |
125 | MFP_PIN_GPIO100, | |
126 | MFP_PIN_GPIO101, | |
127 | MFP_PIN_GPIO102, | |
128 | MFP_PIN_GPIO103, | |
129 | MFP_PIN_GPIO104, | |
130 | MFP_PIN_GPIO105, | |
131 | MFP_PIN_GPIO106, | |
132 | MFP_PIN_GPIO107, | |
133 | MFP_PIN_GPIO108, | |
134 | MFP_PIN_GPIO109, | |
135 | MFP_PIN_GPIO110, | |
136 | MFP_PIN_GPIO111, | |
137 | MFP_PIN_GPIO112, | |
138 | MFP_PIN_GPIO113, | |
139 | MFP_PIN_GPIO114, | |
140 | MFP_PIN_GPIO115, | |
141 | MFP_PIN_GPIO116, | |
142 | MFP_PIN_GPIO117, | |
143 | MFP_PIN_GPIO118, | |
144 | MFP_PIN_GPIO119, | |
145 | MFP_PIN_GPIO120, | |
146 | MFP_PIN_GPIO121, | |
147 | MFP_PIN_GPIO122, | |
148 | MFP_PIN_GPIO123, | |
149 | MFP_PIN_GPIO124, | |
150 | MFP_PIN_GPIO125, | |
151 | MFP_PIN_GPIO126, | |
152 | MFP_PIN_GPIO127, | |
153 | MFP_PIN_GPIO0_2, | |
154 | MFP_PIN_GPIO1_2, | |
155 | MFP_PIN_GPIO2_2, | |
156 | MFP_PIN_GPIO3_2, | |
157 | MFP_PIN_GPIO4_2, | |
158 | MFP_PIN_GPIO5_2, | |
159 | MFP_PIN_GPIO6_2, | |
160 | MFP_PIN_GPIO7_2, | |
161 | MFP_PIN_GPIO8_2, | |
162 | MFP_PIN_GPIO9_2, | |
163 | MFP_PIN_GPIO10_2, | |
164 | MFP_PIN_GPIO11_2, | |
165 | MFP_PIN_GPIO12_2, | |
166 | MFP_PIN_GPIO13_2, | |
167 | MFP_PIN_GPIO14_2, | |
168 | MFP_PIN_GPIO15_2, | |
169 | MFP_PIN_GPIO16_2, | |
170 | MFP_PIN_GPIO17_2, | |
171 | ||
172 | MFP_PIN_ULPI_STP, | |
173 | MFP_PIN_ULPI_NXT, | |
174 | MFP_PIN_ULPI_DIR, | |
175 | ||
176 | MFP_PIN_nXCVREN, | |
177 | MFP_PIN_DF_CLE_nOE, | |
178 | MFP_PIN_DF_nADV1_ALE, | |
179 | MFP_PIN_DF_SCLK_E, | |
180 | MFP_PIN_DF_SCLK_S, | |
181 | MFP_PIN_nBE0, | |
182 | MFP_PIN_nBE1, | |
183 | MFP_PIN_DF_nADV2_ALE, | |
184 | MFP_PIN_DF_INT_RnB, | |
185 | MFP_PIN_DF_nCS0, | |
186 | MFP_PIN_DF_nCS1, | |
187 | MFP_PIN_nLUA, | |
188 | MFP_PIN_nLLA, | |
189 | MFP_PIN_DF_nWE, | |
190 | MFP_PIN_DF_ALE_nWE, | |
191 | MFP_PIN_DF_nRE_nOE, | |
192 | MFP_PIN_DF_ADDR0, | |
193 | MFP_PIN_DF_ADDR1, | |
194 | MFP_PIN_DF_ADDR2, | |
195 | MFP_PIN_DF_ADDR3, | |
196 | MFP_PIN_DF_IO0, | |
197 | MFP_PIN_DF_IO1, | |
198 | MFP_PIN_DF_IO2, | |
199 | MFP_PIN_DF_IO3, | |
200 | MFP_PIN_DF_IO4, | |
201 | MFP_PIN_DF_IO5, | |
202 | MFP_PIN_DF_IO6, | |
203 | MFP_PIN_DF_IO7, | |
204 | MFP_PIN_DF_IO8, | |
205 | MFP_PIN_DF_IO9, | |
206 | MFP_PIN_DF_IO10, | |
207 | MFP_PIN_DF_IO11, | |
208 | MFP_PIN_DF_IO12, | |
209 | MFP_PIN_DF_IO13, | |
210 | MFP_PIN_DF_IO14, | |
211 | MFP_PIN_DF_IO15, | |
212 | ||
5d31e435 EM |
213 | /* additional pins on PXA930 */ |
214 | MFP_PIN_GSIM_UIO, | |
215 | MFP_PIN_GSIM_UCLK, | |
216 | MFP_PIN_GSIM_UDET, | |
217 | MFP_PIN_GSIM_nURST, | |
218 | MFP_PIN_PMIC_INT, | |
219 | MFP_PIN_RDY, | |
220 | ||
2c8086a5 | 221 | MFP_PIN_MAX, |
222 | }; | |
223 | ||
2c8086a5 | 224 | /* |
225 | * a possible MFP configuration is represented by a 32-bit integer | |
7f7c8a61 | 226 | * |
227 | * bit 0.. 9 - MFP Pin Number (1024 Pins Maximum) | |
228 | * bit 10..12 - Alternate Function Selection | |
229 | * bit 13..15 - Drive Strength | |
230 | * bit 16..18 - Low Power Mode State | |
231 | * bit 19..20 - Low Power Mode Edge Detection | |
232 | * bit 21..22 - Run Mode Pull State | |
2c8086a5 | 233 | * |
234 | * to facilitate the definition, the following macros are provided | |
235 | * | |
7f7c8a61 | 236 | * MFP_CFG_DEFAULT - default MFP configuration value, with |
2c8086a5 | 237 | * alternate function = 0, |
7f7c8a61 | 238 | * drive strength = fast 3mA (MFP_DS03X) |
2c8086a5 | 239 | * low power mode = default |
2c8086a5 | 240 | * edge detection = none |
241 | * | |
242 | * MFP_CFG - default MFPR value with alternate function | |
243 | * MFP_CFG_DRV - default MFPR value with alternate function and | |
244 | * pin drive strength | |
245 | * MFP_CFG_LPM - default MFPR value with alternate function and | |
246 | * low power mode | |
247 | * MFP_CFG_X - default MFPR value with alternate function, | |
248 | * pin drive strength and low power mode | |
2c8086a5 | 249 | */ |
250 | ||
7f7c8a61 | 251 | typedef unsigned long mfp_cfg_t; |
252 | ||
253 | #define MFP_PIN(x) ((x) & 0x3ff) | |
254 | ||
255 | #define MFP_AF0 (0x0 << 10) | |
256 | #define MFP_AF1 (0x1 << 10) | |
257 | #define MFP_AF2 (0x2 << 10) | |
258 | #define MFP_AF3 (0x3 << 10) | |
259 | #define MFP_AF4 (0x4 << 10) | |
260 | #define MFP_AF5 (0x5 << 10) | |
261 | #define MFP_AF6 (0x6 << 10) | |
262 | #define MFP_AF7 (0x7 << 10) | |
263 | #define MFP_AF_MASK (0x7 << 10) | |
264 | #define MFP_AF(x) (((x) >> 10) & 0x7) | |
265 | ||
266 | #define MFP_DS01X (0x0 << 13) | |
267 | #define MFP_DS02X (0x1 << 13) | |
268 | #define MFP_DS03X (0x2 << 13) | |
269 | #define MFP_DS04X (0x3 << 13) | |
270 | #define MFP_DS06X (0x4 << 13) | |
271 | #define MFP_DS08X (0x5 << 13) | |
272 | #define MFP_DS10X (0x6 << 13) | |
273 | #define MFP_DS13X (0x7 << 13) | |
274 | #define MFP_DS_MASK (0x7 << 13) | |
275 | #define MFP_DS(x) (((x) >> 13) & 0x7) | |
276 | ||
277 | #define MFP_LPM_INPUT (0x0 << 16) | |
278 | #define MFP_LPM_DRIVE_LOW (0x1 << 16) | |
279 | #define MFP_LPM_DRIVE_HIGH (0x2 << 16) | |
280 | #define MFP_LPM_PULL_LOW (0x3 << 16) | |
281 | #define MFP_LPM_PULL_HIGH (0x4 << 16) | |
282 | #define MFP_LPM_FLOAT (0x5 << 16) | |
283 | #define MFP_LPM_STATE_MASK (0x7 << 16) | |
284 | #define MFP_LPM_STATE(x) (((x) >> 16) & 0x7) | |
285 | ||
286 | #define MFP_LPM_EDGE_NONE (0x0 << 19) | |
287 | #define MFP_LPM_EDGE_RISE (0x1 << 19) | |
288 | #define MFP_LPM_EDGE_FALL (0x2 << 19) | |
289 | #define MFP_LPM_EDGE_BOTH (0x3 << 19) | |
290 | #define MFP_LPM_EDGE_MASK (0x3 << 19) | |
291 | #define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3) | |
292 | ||
293 | #define MFP_PULL_NONE (0x0 << 21) | |
294 | #define MFP_PULL_LOW (0x1 << 21) | |
295 | #define MFP_PULL_HIGH (0x2 << 21) | |
296 | #define MFP_PULL_BOTH (0x3 << 21) | |
297 | #define MFP_PULL_MASK (0x3 << 21) | |
298 | #define MFP_PULL(x) (((x) >> 21) & 0x3) | |
299 | ||
300 | #define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_INPUT |\ | |
301 | MFP_LPM_EDGE_NONE | MFP_PULL_NONE) | |
2c8086a5 | 302 | |
303 | #define MFP_CFG(pin, af) \ | |
7f7c8a61 | 304 | ((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\ |
305 | (MFP_PIN(MFP_PIN_##pin) | MFP_##af)) | |
2c8086a5 | 306 | |
307 | #define MFP_CFG_DRV(pin, af, drv) \ | |
7f7c8a61 | 308 | ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\ |
309 | (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv)) | |
2c8086a5 | 310 | |
311 | #define MFP_CFG_LPM(pin, af, lpm) \ | |
7f7c8a61 | 312 | ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\ |
313 | (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm)) | |
2c8086a5 | 314 | |
315 | #define MFP_CFG_X(pin, af, drv, lpm) \ | |
7f7c8a61 | 316 | ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\ |
317 | (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm)) | |
2c8086a5 | 318 | |
319 | #endif /* __ASM_ARCH_MFP_H */ |