1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Common Multi-Function Pin Definitions
4 *
5 * Copyright (C) 2007 Marvell International Ltd.
6 *
7 * 2007-8-21: eric miao <eric.miao@marvell.com>
8 * initial version
9 */
10
11 #ifndef __ASM_PLAT_MFP_H
12 #define __ASM_PLAT_MFP_H
13
14 #define mfp_to_gpio(m) ((m) % 256)
15
16 /* list of all the configurable MFP pins */
17 enum {
18 MFP_PIN_INVALID = -1,
19
20 MFP_PIN_GPIO0 = 0,
21 MFP_PIN_GPIO1,
22 MFP_PIN_GPIO2,
23 MFP_PIN_GPIO3,
24 MFP_PIN_GPIO4,
25 MFP_PIN_GPIO5,
26 MFP_PIN_GPIO6,
27 MFP_PIN_GPIO7,
28 MFP_PIN_GPIO8,
29 MFP_PIN_GPIO9,
30 MFP_PIN_GPIO10,
31 MFP_PIN_GPIO11,
32 MFP_PIN_GPIO12,
33 MFP_PIN_GPIO13,
34 MFP_PIN_GPIO14,
35 MFP_PIN_GPIO15,
36 MFP_PIN_GPIO16,
37 MFP_PIN_GPIO17,
38 MFP_PIN_GPIO18,
39 MFP_PIN_GPIO19,
40 MFP_PIN_GPIO20,
41 MFP_PIN_GPIO21,
42 MFP_PIN_GPIO22,
43 MFP_PIN_GPIO23,
44 MFP_PIN_GPIO24,
45 MFP_PIN_GPIO25,
46 MFP_PIN_GPIO26,
47 MFP_PIN_GPIO27,
48 MFP_PIN_GPIO28,
49 MFP_PIN_GPIO29,
50 MFP_PIN_GPIO30,
51 MFP_PIN_GPIO31,
52 MFP_PIN_GPIO32,
53 MFP_PIN_GPIO33,
54 MFP_PIN_GPIO34,
55 MFP_PIN_GPIO35,
56 MFP_PIN_GPIO36,
57 MFP_PIN_GPIO37,
58 MFP_PIN_GPIO38,
59 MFP_PIN_GPIO39,
60 MFP_PIN_GPIO40,
61 MFP_PIN_GPIO41,
62 MFP_PIN_GPIO42,
63 MFP_PIN_GPIO43,
64 MFP_PIN_GPIO44,
65 MFP_PIN_GPIO45,
66 MFP_PIN_GPIO46,
67 MFP_PIN_GPIO47,
68 MFP_PIN_GPIO48,
69 MFP_PIN_GPIO49,
70 MFP_PIN_GPIO50,
71 MFP_PIN_GPIO51,
72 MFP_PIN_GPIO52,
73 MFP_PIN_GPIO53,
74 MFP_PIN_GPIO54,
75 MFP_PIN_GPIO55,
76 MFP_PIN_GPIO56,
77 MFP_PIN_GPIO57,
78 MFP_PIN_GPIO58,
79 MFP_PIN_GPIO59,
80 MFP_PIN_GPIO60,
81 MFP_PIN_GPIO61,
82 MFP_PIN_GPIO62,
83 MFP_PIN_GPIO63,
84 MFP_PIN_GPIO64,
85 MFP_PIN_GPIO65,
86 MFP_PIN_GPIO66,
87 MFP_PIN_GPIO67,
88 MFP_PIN_GPIO68,
89 MFP_PIN_GPIO69,
90 MFP_PIN_GPIO70,
91 MFP_PIN_GPIO71,
92 MFP_PIN_GPIO72,
93 MFP_PIN_GPIO73,
94 MFP_PIN_GPIO74,
95 MFP_PIN_GPIO75,
96 MFP_PIN_GPIO76,
97 MFP_PIN_GPIO77,
98 MFP_PIN_GPIO78,
99 MFP_PIN_GPIO79,
100 MFP_PIN_GPIO80,
101 MFP_PIN_GPIO81,
102 MFP_PIN_GPIO82,
103 MFP_PIN_GPIO83,
104 MFP_PIN_GPIO84,
105 MFP_PIN_GPIO85,
106 MFP_PIN_GPIO86,
107 MFP_PIN_GPIO87,
108 MFP_PIN_GPIO88,
109 MFP_PIN_GPIO89,
110 MFP_PIN_GPIO90,
111 MFP_PIN_GPIO91,
112 MFP_PIN_GPIO92,
113 MFP_PIN_GPIO93,
114 MFP_PIN_GPIO94,
115 MFP_PIN_GPIO95,
116 MFP_PIN_GPIO96,
117 MFP_PIN_GPIO97,
118 MFP_PIN_GPIO98,
119 MFP_PIN_GPIO99,
120 MFP_PIN_GPIO100,
121 MFP_PIN_GPIO101,
122 MFP_PIN_GPIO102,
123 MFP_PIN_GPIO103,
124 MFP_PIN_GPIO104,
125 MFP_PIN_GPIO105,
126 MFP_PIN_GPIO106,
127 MFP_PIN_GPIO107,
128 MFP_PIN_GPIO108,
129 MFP_PIN_GPIO109,
130 MFP_PIN_GPIO110,
131 MFP_PIN_GPIO111,
132 MFP_PIN_GPIO112,
133 MFP_PIN_GPIO113,
134 MFP_PIN_GPIO114,
135 MFP_PIN_GPIO115,
136 MFP_PIN_GPIO116,
137 MFP_PIN_GPIO117,
138 MFP_PIN_GPIO118,
139 MFP_PIN_GPIO119,
140 MFP_PIN_GPIO120,
141 MFP_PIN_GPIO121,
142 MFP_PIN_GPIO122,
143 MFP_PIN_GPIO123,
144 MFP_PIN_GPIO124,
145 MFP_PIN_GPIO125,
146 MFP_PIN_GPIO126,
147 MFP_PIN_GPIO127,
148
149 MFP_PIN_GPIO128,
150 MFP_PIN_GPIO129,
151 MFP_PIN_GPIO130,
152 MFP_PIN_GPIO131,
153 MFP_PIN_GPIO132,
154 MFP_PIN_GPIO133,
155 MFP_PIN_GPIO134,
156 MFP_PIN_GPIO135,
157 MFP_PIN_GPIO136,
158 MFP_PIN_GPIO137,
159 MFP_PIN_GPIO138,
160 MFP_PIN_GPIO139,
161 MFP_PIN_GPIO140,
162 MFP_PIN_GPIO141,
163 MFP_PIN_GPIO142,
164 MFP_PIN_GPIO143,
165 MFP_PIN_GPIO144,
166 MFP_PIN_GPIO145,
167 MFP_PIN_GPIO146,
168 MFP_PIN_GPIO147,
169 MFP_PIN_GPIO148,
170 MFP_PIN_GPIO149,
171 MFP_PIN_GPIO150,
172 MFP_PIN_GPIO151,
173 MFP_PIN_GPIO152,
174 MFP_PIN_GPIO153,
175 MFP_PIN_GPIO154,
176 MFP_PIN_GPIO155,
177 MFP_PIN_GPIO156,
178 MFP_PIN_GPIO157,
179 MFP_PIN_GPIO158,
180 MFP_PIN_GPIO159,
181 MFP_PIN_GPIO160,
182 MFP_PIN_GPIO161,
183 MFP_PIN_GPIO162,
184 MFP_PIN_GPIO163,
185 MFP_PIN_GPIO164,
186 MFP_PIN_GPIO165,
187 MFP_PIN_GPIO166,
188 MFP_PIN_GPIO167,
189 MFP_PIN_GPIO168,
190 MFP_PIN_GPIO169,
191 MFP_PIN_GPIO170,
192 MFP_PIN_GPIO171,
193 MFP_PIN_GPIO172,
194 MFP_PIN_GPIO173,
195 MFP_PIN_GPIO174,
196 MFP_PIN_GPIO175,
197 MFP_PIN_GPIO176,
198 MFP_PIN_GPIO177,
199 MFP_PIN_GPIO178,
200 MFP_PIN_GPIO179,
201 MFP_PIN_GPIO180,
202 MFP_PIN_GPIO181,
203 MFP_PIN_GPIO182,
204 MFP_PIN_GPIO183,
205 MFP_PIN_GPIO184,
206 MFP_PIN_GPIO185,
207 MFP_PIN_GPIO186,
208 MFP_PIN_GPIO187,
209 MFP_PIN_GPIO188,
210 MFP_PIN_GPIO189,
211 MFP_PIN_GPIO190,
212 MFP_PIN_GPIO191,
213
214 MFP_PIN_GPIO255 = 255,
215
216 MFP_PIN_GPIO0_2,
217 MFP_PIN_GPIO1_2,
218 MFP_PIN_GPIO2_2,
219 MFP_PIN_GPIO3_2,
220 MFP_PIN_GPIO4_2,
221 MFP_PIN_GPIO5_2,
222 MFP_PIN_GPIO6_2,
223 MFP_PIN_GPIO7_2,
224 MFP_PIN_GPIO8_2,
225 MFP_PIN_GPIO9_2,
226 MFP_PIN_GPIO10_2,
227 MFP_PIN_GPIO11_2,
228 MFP_PIN_GPIO12_2,
229 MFP_PIN_GPIO13_2,
230 MFP_PIN_GPIO14_2,
231 MFP_PIN_GPIO15_2,
232 MFP_PIN_GPIO16_2,
233 MFP_PIN_GPIO17_2,
234
235 MFP_PIN_ULPI_STP,
236 MFP_PIN_ULPI_NXT,
237 MFP_PIN_ULPI_DIR,
238
239 MFP_PIN_nXCVREN,
240 MFP_PIN_DF_CLE_nOE,
241 MFP_PIN_DF_nADV1_ALE,
242 MFP_PIN_DF_SCLK_E,
243 MFP_PIN_DF_SCLK_S,
244 MFP_PIN_nBE0,
245 MFP_PIN_nBE1,
246 MFP_PIN_DF_nADV2_ALE,
247 MFP_PIN_DF_INT_RnB,
248 MFP_PIN_DF_nCS0,
249 MFP_PIN_DF_nCS1,
250 MFP_PIN_nLUA,
251 MFP_PIN_nLLA,
252 MFP_PIN_DF_nWE,
253 MFP_PIN_DF_ALE_nWE,
254 MFP_PIN_DF_nRE_nOE,
255 MFP_PIN_DF_ADDR0,
256 MFP_PIN_DF_ADDR1,
257 MFP_PIN_DF_ADDR2,
258 MFP_PIN_DF_ADDR3,
259 MFP_PIN_DF_IO0,
260 MFP_PIN_DF_IO1,
261 MFP_PIN_DF_IO2,
262 MFP_PIN_DF_IO3,
263 MFP_PIN_DF_IO4,
264 MFP_PIN_DF_IO5,
265 MFP_PIN_DF_IO6,
266 MFP_PIN_DF_IO7,
267 MFP_PIN_DF_IO8,
268 MFP_PIN_DF_IO9,
269 MFP_PIN_DF_IO10,
270 MFP_PIN_DF_IO11,
271 MFP_PIN_DF_IO12,
272 MFP_PIN_DF_IO13,
273 MFP_PIN_DF_IO14,
274 MFP_PIN_DF_IO15,
275 MFP_PIN_DF_nCS0_SM_nCS2,
276 MFP_PIN_DF_nCS1_SM_nCS3,
277 MFP_PIN_SM_nCS0,
278 MFP_PIN_SM_nCS1,
279 MFP_PIN_DF_WEn,
280 MFP_PIN_DF_REn,
281 MFP_PIN_DF_CLE_SM_OEn,
282 MFP_PIN_DF_ALE_SM_WEn,
283 MFP_PIN_DF_RDY0,
284 MFP_PIN_DF_RDY1,
285
286 MFP_PIN_SM_SCLK,
287 MFP_PIN_SM_BE0,
288 MFP_PIN_SM_BE1,
289 MFP_PIN_SM_ADV,
290 MFP_PIN_SM_ADVMUX,
291 MFP_PIN_SM_RDY,
292
293 MFP_PIN_MMC1_DAT7,
294 MFP_PIN_MMC1_DAT6,
295 MFP_PIN_MMC1_DAT5,
296 MFP_PIN_MMC1_DAT4,
297 MFP_PIN_MMC1_DAT3,
298 MFP_PIN_MMC1_DAT2,
299 MFP_PIN_MMC1_DAT1,
300 MFP_PIN_MMC1_DAT0,
301 MFP_PIN_MMC1_CMD,
302 MFP_PIN_MMC1_CLK,
303 MFP_PIN_MMC1_CD,
304 MFP_PIN_MMC1_WP,
305
306 /* additional pins on PXA930 */
307 MFP_PIN_GSIM_UIO,
308 MFP_PIN_GSIM_UCLK,
309 MFP_PIN_GSIM_UDET,
310 MFP_PIN_GSIM_nURST,
311 MFP_PIN_PMIC_INT,
312 MFP_PIN_RDY,
313
314 /* additional pins on MMP2 */
315 MFP_PIN_TWSI1_SCL,
316 MFP_PIN_TWSI1_SDA,
317 MFP_PIN_TWSI4_SCL,
318 MFP_PIN_TWSI4_SDA,
319 MFP_PIN_CLK_REQ,
320
321 MFP_PIN_MAX,
322 };
323
324 /*
325 * a possible MFP configuration is represented by a 32-bit integer
326 *
327 * bit 0.. 9 - MFP Pin Number (1024 Pins Maximum)
328 * bit 10..12 - Alternate Function Selection
329 * bit 13..15 - Drive Strength
330 * bit 16..18 - Low Power Mode State
331 * bit 19..20 - Low Power Mode Edge Detection
332 * bit 21..22 - Run Mode Pull State
333 *
334 * to facilitate the definition, the following macros are provided
335 *
336 * MFP_CFG_DEFAULT - default MFP configuration value, with
337 * alternate function = 0,
338 * drive strength = fast 3mA (MFP_DS03X)
339 * low power mode = default
340 * edge detection = none
341 *
342 * MFP_CFG - default MFPR value with alternate function
343 * MFP_CFG_DRV - default MFPR value with alternate function and
344 * pin drive strength
345 * MFP_CFG_LPM - default MFPR value with alternate function and
346 * low power mode
347 * MFP_CFG_X - default MFPR value with alternate function,
348 * pin drive strength and low power mode
349 */
350
351 typedef unsigned long mfp_cfg_t;
352
353 #define MFP_PIN(x) ((x) & 0x3ff)
354
355 #define MFP_AF0 (0x0 << 10)
356 #define MFP_AF1 (0x1 << 10)
357 #define MFP_AF2 (0x2 << 10)
358 #define MFP_AF3 (0x3 << 10)
359 #define MFP_AF4 (0x4 << 10)
360 #define MFP_AF5 (0x5 << 10)
361 #define MFP_AF6 (0x6 << 10)
362 #define MFP_AF7 (0x7 << 10)
363 #define MFP_AF_MASK (0x7 << 10)
364 #define MFP_AF(x) (((x) >> 10) & 0x7)
365
366 #define MFP_DS01X (0x0 << 13)
367 #define MFP_DS02X (0x1 << 13)
368 #define MFP_DS03X (0x2 << 13)
369 #define MFP_DS04X (0x3 << 13)
370 #define MFP_DS06X (0x4 << 13)
371 #define MFP_DS08X (0x5 << 13)
372 #define MFP_DS10X (0x6 << 13)
373 #define MFP_DS13X (0x7 << 13)
374 #define MFP_DS_MASK (0x7 << 13)
375 #define MFP_DS(x) (((x) >> 13) & 0x7)
376
377 #define MFP_LPM_DEFAULT (0x0 << 16)
378 #define MFP_LPM_DRIVE_LOW (0x1 << 16)
379 #define MFP_LPM_DRIVE_HIGH (0x2 << 16)
380 #define MFP_LPM_PULL_LOW (0x3 << 16)
381 #define MFP_LPM_PULL_HIGH (0x4 << 16)
382 #define MFP_LPM_FLOAT (0x5 << 16)
383 #define MFP_LPM_INPUT (0x6 << 16)
384 #define MFP_LPM_STATE_MASK (0x7 << 16)
385 #define MFP_LPM_STATE(x) (((x) >> 16) & 0x7)
386
387 #define MFP_LPM_EDGE_NONE (0x0 << 19)
388 #define MFP_LPM_EDGE_RISE (0x1 << 19)
389 #define MFP_LPM_EDGE_FALL (0x2 << 19)
390 #define MFP_LPM_EDGE_BOTH (0x3 << 19)
391 #define MFP_LPM_EDGE_MASK (0x3 << 19)
392 #define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3)
393
394 #define MFP_PULL_NONE (0x0 << 21)
395 #define MFP_PULL_LOW (0x1 << 21)
396 #define MFP_PULL_HIGH (0x2 << 21)
397 #define MFP_PULL_BOTH (0x3 << 21)
398 #define MFP_PULL_FLOAT (0x4 << 21)
399 #define MFP_PULL_MASK (0x7 << 21)
400 #define MFP_PULL(x) (((x) >> 21) & 0x7)
401
402 #define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\
403 MFP_LPM_EDGE_NONE | MFP_PULL_NONE)
404
405 #define MFP_CFG(pin, af) \
406 ((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\
407 (MFP_PIN(MFP_PIN_##pin) | MFP_##af))
408
409 #define MFP_CFG_DRV(pin, af, drv) \
410 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\
411 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv))
412
413 #define MFP_CFG_LPM(pin, af, lpm) \
414 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\
415 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm))
416
417 #define MFP_CFG_X(pin, af, drv, lpm) \
418 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\
419 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm))
420
421 #if defined(CONFIG_PXA3xx) || defined(CONFIG_ARCH_MMP)
422 /*
423 * each MFP pin will have a MFPR register, since the offset of the
424 * register varies between processors, the processor specific code
425 * should initialize the pin offsets by mfp_init()
426 *
427 * mfp_init_base() - accepts a virtual base for all MFPR registers and
428 * initialize the MFP table to a default state
429 *
430 * mfp_init_addr() - accepts a table of "mfp_addr_map" structure, which
431 * represents a range of MFP pins from "start" to "end", with the offset
432 * beginning at "offset", to define a single pin, let "end" = -1.
433 *
434 * use
435 *
436 * MFP_ADDR_X() to define a range of pins
437 * MFP_ADDR() to define a single pin
438 * MFP_ADDR_END to signal the end of pin offset definitions
439 */
440 struct mfp_addr_map {
441 unsigned int start;
442 unsigned int end;
443 unsigned long offset;
444 };
445
446 #define MFP_ADDR_X(start, end, offset) \
447 { MFP_PIN_##start, MFP_PIN_##end, offset }
448
449 #define MFP_ADDR(pin, offset) \
450 { MFP_PIN_##pin, -1, offset }
451
452 #define MFP_ADDR_END { MFP_PIN_INVALID, 0 }
453
454 void mfp_init_base(void __iomem *mfpr_base);
455 void mfp_init_addr(struct mfp_addr_map *map);
456
457 /*
458 * mfp_{read, write}() - for direct read/write access to the MFPR register
459 * mfp_config() - for configuring a group of MFPR registers
460 * mfp_config_lpm() - configuring all low power MFPR registers for suspend
461 * mfp_config_run() - configuring all run time MFPR registers after resume
462 */
463 unsigned long mfp_read(int mfp);
464 void mfp_write(int mfp, unsigned long mfpr_val);
465 void mfp_config(unsigned long *mfp_cfgs, int num);
466 void mfp_config_run(void);
467 void mfp_config_lpm(void);
468 #endif /* CONFIG_PXA3xx || CONFIG_ARCH_MMP */
469
470 #endif /* __ASM_PLAT_MFP_H */
471
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