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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
[linux-2.6-block.git] / arch / arm / plat-pxa / include / plat / mfp.h
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d2912cb1 1/* SPDX-License-Identifier: GPL-2.0-only */
f8dec04d
EM		 2/*
3 * arch/arm/plat-pxa/include/plat/mfp.h
4 *
5 * Common Multi-Function Pin Definitions
6 *
7 * Copyright (C) 2007 Marvell International Ltd.
8 *
9 * 2007-8-21: eric miao <eric.miao@marvell.com>
10 * initial version
f8dec04d
EM		 11 */
12
13#ifndef __ASM_PLAT_MFP_H
14#define __ASM_PLAT_MFP_H
15
9da4ea69 16#define mfp_to_gpio(m) ((m) % 256)
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EM		 17
18/* list of all the configurable MFP pins */
19enum {
20 MFP_PIN_INVALID = -1,
21
22 MFP_PIN_GPIO0 = 0,
23 MFP_PIN_GPIO1,
24 MFP_PIN_GPIO2,
25 MFP_PIN_GPIO3,
26 MFP_PIN_GPIO4,
27 MFP_PIN_GPIO5,
28 MFP_PIN_GPIO6,
29 MFP_PIN_GPIO7,
30 MFP_PIN_GPIO8,
31 MFP_PIN_GPIO9,
32 MFP_PIN_GPIO10,
33 MFP_PIN_GPIO11,
34 MFP_PIN_GPIO12,
35 MFP_PIN_GPIO13,
36 MFP_PIN_GPIO14,
37 MFP_PIN_GPIO15,
38 MFP_PIN_GPIO16,
39 MFP_PIN_GPIO17,
40 MFP_PIN_GPIO18,
41 MFP_PIN_GPIO19,
42 MFP_PIN_GPIO20,
43 MFP_PIN_GPIO21,
44 MFP_PIN_GPIO22,
45 MFP_PIN_GPIO23,
46 MFP_PIN_GPIO24,
47 MFP_PIN_GPIO25,
48 MFP_PIN_GPIO26,
49 MFP_PIN_GPIO27,
50 MFP_PIN_GPIO28,
51 MFP_PIN_GPIO29,
52 MFP_PIN_GPIO30,
53 MFP_PIN_GPIO31,
54 MFP_PIN_GPIO32,
55 MFP_PIN_GPIO33,
56 MFP_PIN_GPIO34,
57 MFP_PIN_GPIO35,
58 MFP_PIN_GPIO36,
59 MFP_PIN_GPIO37,
60 MFP_PIN_GPIO38,
61 MFP_PIN_GPIO39,
62 MFP_PIN_GPIO40,
63 MFP_PIN_GPIO41,
64 MFP_PIN_GPIO42,
65 MFP_PIN_GPIO43,
66 MFP_PIN_GPIO44,
67 MFP_PIN_GPIO45,
68 MFP_PIN_GPIO46,
69 MFP_PIN_GPIO47,
70 MFP_PIN_GPIO48,
71 MFP_PIN_GPIO49,
72 MFP_PIN_GPIO50,
73 MFP_PIN_GPIO51,
74 MFP_PIN_GPIO52,
75 MFP_PIN_GPIO53,
76 MFP_PIN_GPIO54,
77 MFP_PIN_GPIO55,
78 MFP_PIN_GPIO56,
79 MFP_PIN_GPIO57,
80 MFP_PIN_GPIO58,
81 MFP_PIN_GPIO59,
82 MFP_PIN_GPIO60,
83 MFP_PIN_GPIO61,
84 MFP_PIN_GPIO62,
85 MFP_PIN_GPIO63,
86 MFP_PIN_GPIO64,
87 MFP_PIN_GPIO65,
88 MFP_PIN_GPIO66,
89 MFP_PIN_GPIO67,
90 MFP_PIN_GPIO68,
91 MFP_PIN_GPIO69,
92 MFP_PIN_GPIO70,
93 MFP_PIN_GPIO71,
94 MFP_PIN_GPIO72,
95 MFP_PIN_GPIO73,
96 MFP_PIN_GPIO74,
97 MFP_PIN_GPIO75,
98 MFP_PIN_GPIO76,
99 MFP_PIN_GPIO77,
100 MFP_PIN_GPIO78,
101 MFP_PIN_GPIO79,
102 MFP_PIN_GPIO80,
103 MFP_PIN_GPIO81,
104 MFP_PIN_GPIO82,
105 MFP_PIN_GPIO83,
106 MFP_PIN_GPIO84,
107 MFP_PIN_GPIO85,
108 MFP_PIN_GPIO86,
109 MFP_PIN_GPIO87,
110 MFP_PIN_GPIO88,
111 MFP_PIN_GPIO89,
112 MFP_PIN_GPIO90,
113 MFP_PIN_GPIO91,
114 MFP_PIN_GPIO92,
115 MFP_PIN_GPIO93,
116 MFP_PIN_GPIO94,
117 MFP_PIN_GPIO95,
118 MFP_PIN_GPIO96,
119 MFP_PIN_GPIO97,
120 MFP_PIN_GPIO98,
121 MFP_PIN_GPIO99,
122 MFP_PIN_GPIO100,
123 MFP_PIN_GPIO101,
124 MFP_PIN_GPIO102,
125 MFP_PIN_GPIO103,
126 MFP_PIN_GPIO104,
127 MFP_PIN_GPIO105,
128 MFP_PIN_GPIO106,
129 MFP_PIN_GPIO107,
130 MFP_PIN_GPIO108,
131 MFP_PIN_GPIO109,
132 MFP_PIN_GPIO110,
133 MFP_PIN_GPIO111,
134 MFP_PIN_GPIO112,
135 MFP_PIN_GPIO113,
136 MFP_PIN_GPIO114,
137 MFP_PIN_GPIO115,
138 MFP_PIN_GPIO116,
139 MFP_PIN_GPIO117,
140 MFP_PIN_GPIO118,
141 MFP_PIN_GPIO119,
142 MFP_PIN_GPIO120,
143 MFP_PIN_GPIO121,
144 MFP_PIN_GPIO122,
145 MFP_PIN_GPIO123,
146 MFP_PIN_GPIO124,
147 MFP_PIN_GPIO125,
148 MFP_PIN_GPIO126,
149 MFP_PIN_GPIO127,
063936df
HZ		 150
151 MFP_PIN_GPIO128,
152 MFP_PIN_GPIO129,
153 MFP_PIN_GPIO130,
154 MFP_PIN_GPIO131,
155 MFP_PIN_GPIO132,
156 MFP_PIN_GPIO133,
157 MFP_PIN_GPIO134,
158 MFP_PIN_GPIO135,
159 MFP_PIN_GPIO136,
160 MFP_PIN_GPIO137,
161 MFP_PIN_GPIO138,
162 MFP_PIN_GPIO139,
163 MFP_PIN_GPIO140,
164 MFP_PIN_GPIO141,
165 MFP_PIN_GPIO142,
166 MFP_PIN_GPIO143,
167 MFP_PIN_GPIO144,
168 MFP_PIN_GPIO145,
169 MFP_PIN_GPIO146,
170 MFP_PIN_GPIO147,
171 MFP_PIN_GPIO148,
172 MFP_PIN_GPIO149,
173 MFP_PIN_GPIO150,
174 MFP_PIN_GPIO151,
175 MFP_PIN_GPIO152,
176 MFP_PIN_GPIO153,
177 MFP_PIN_GPIO154,
178 MFP_PIN_GPIO155,
179 MFP_PIN_GPIO156,
180 MFP_PIN_GPIO157,
181 MFP_PIN_GPIO158,
182 MFP_PIN_GPIO159,
183 MFP_PIN_GPIO160,
184 MFP_PIN_GPIO161,
185 MFP_PIN_GPIO162,
186 MFP_PIN_GPIO163,
187 MFP_PIN_GPIO164,
188 MFP_PIN_GPIO165,
189 MFP_PIN_GPIO166,
190 MFP_PIN_GPIO167,
191 MFP_PIN_GPIO168,
192 MFP_PIN_GPIO169,
193 MFP_PIN_GPIO170,
194 MFP_PIN_GPIO171,
195 MFP_PIN_GPIO172,
196 MFP_PIN_GPIO173,
197 MFP_PIN_GPIO174,
198 MFP_PIN_GPIO175,
199 MFP_PIN_GPIO176,
200 MFP_PIN_GPIO177,
201 MFP_PIN_GPIO178,
202 MFP_PIN_GPIO179,
203 MFP_PIN_GPIO180,
204 MFP_PIN_GPIO181,
205 MFP_PIN_GPIO182,
206 MFP_PIN_GPIO183,
207 MFP_PIN_GPIO184,
208 MFP_PIN_GPIO185,
209 MFP_PIN_GPIO186,
210 MFP_PIN_GPIO187,
211 MFP_PIN_GPIO188,
212 MFP_PIN_GPIO189,
213 MFP_PIN_GPIO190,
214 MFP_PIN_GPIO191,
215
216 MFP_PIN_GPIO255 = 255,
217
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EM		 218 MFP_PIN_GPIO0_2,
219 MFP_PIN_GPIO1_2,
220 MFP_PIN_GPIO2_2,
221 MFP_PIN_GPIO3_2,
222 MFP_PIN_GPIO4_2,
223 MFP_PIN_GPIO5_2,
224 MFP_PIN_GPIO6_2,
225 MFP_PIN_GPIO7_2,
226 MFP_PIN_GPIO8_2,
227 MFP_PIN_GPIO9_2,
228 MFP_PIN_GPIO10_2,
229 MFP_PIN_GPIO11_2,
230 MFP_PIN_GPIO12_2,
231 MFP_PIN_GPIO13_2,
232 MFP_PIN_GPIO14_2,
233 MFP_PIN_GPIO15_2,
234 MFP_PIN_GPIO16_2,
235 MFP_PIN_GPIO17_2,
236
237 MFP_PIN_ULPI_STP,
238 MFP_PIN_ULPI_NXT,
239 MFP_PIN_ULPI_DIR,
240
241 MFP_PIN_nXCVREN,
242 MFP_PIN_DF_CLE_nOE,
243 MFP_PIN_DF_nADV1_ALE,
244 MFP_PIN_DF_SCLK_E,
245 MFP_PIN_DF_SCLK_S,
246 MFP_PIN_nBE0,
247 MFP_PIN_nBE1,
248 MFP_PIN_DF_nADV2_ALE,
249 MFP_PIN_DF_INT_RnB,
250 MFP_PIN_DF_nCS0,
251 MFP_PIN_DF_nCS1,
252 MFP_PIN_nLUA,
253 MFP_PIN_nLLA,
254 MFP_PIN_DF_nWE,
255 MFP_PIN_DF_ALE_nWE,
256 MFP_PIN_DF_nRE_nOE,
257 MFP_PIN_DF_ADDR0,
258 MFP_PIN_DF_ADDR1,
259 MFP_PIN_DF_ADDR2,
260 MFP_PIN_DF_ADDR3,
261 MFP_PIN_DF_IO0,
262 MFP_PIN_DF_IO1,
263 MFP_PIN_DF_IO2,
264 MFP_PIN_DF_IO3,
265 MFP_PIN_DF_IO4,
266 MFP_PIN_DF_IO5,
267 MFP_PIN_DF_IO6,
268 MFP_PIN_DF_IO7,
269 MFP_PIN_DF_IO8,
270 MFP_PIN_DF_IO9,
271 MFP_PIN_DF_IO10,
272 MFP_PIN_DF_IO11,
273 MFP_PIN_DF_IO12,
274 MFP_PIN_DF_IO13,
275 MFP_PIN_DF_IO14,
276 MFP_PIN_DF_IO15,
14c6b5e7
EM		 277 MFP_PIN_DF_nCS0_SM_nCS2,
278 MFP_PIN_DF_nCS1_SM_nCS3,
279 MFP_PIN_SM_nCS0,
280 MFP_PIN_SM_nCS1,
281 MFP_PIN_DF_WEn,
282 MFP_PIN_DF_REn,
283 MFP_PIN_DF_CLE_SM_OEn,
284 MFP_PIN_DF_ALE_SM_WEn,
285 MFP_PIN_DF_RDY0,
286 MFP_PIN_DF_RDY1,
287
288 MFP_PIN_SM_SCLK,
289 MFP_PIN_SM_BE0,
290 MFP_PIN_SM_BE1,
291 MFP_PIN_SM_ADV,
292 MFP_PIN_SM_ADVMUX,
293 MFP_PIN_SM_RDY,
294
295 MFP_PIN_MMC1_DAT7,
296 MFP_PIN_MMC1_DAT6,
297 MFP_PIN_MMC1_DAT5,
298 MFP_PIN_MMC1_DAT4,
299 MFP_PIN_MMC1_DAT3,
300 MFP_PIN_MMC1_DAT2,
301 MFP_PIN_MMC1_DAT1,
302 MFP_PIN_MMC1_DAT0,
303 MFP_PIN_MMC1_CMD,
304 MFP_PIN_MMC1_CLK,
305 MFP_PIN_MMC1_CD,
306 MFP_PIN_MMC1_WP,
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EM		 307
308 /* additional pins on PXA930 */
309 MFP_PIN_GSIM_UIO,
310 MFP_PIN_GSIM_UCLK,
311 MFP_PIN_GSIM_UDET,
312 MFP_PIN_GSIM_nURST,
313 MFP_PIN_PMIC_INT,
314 MFP_PIN_RDY,
315
7f39403c
HZ		 316 /* additional pins on MMP2 */
317 MFP_PIN_TWSI1_SCL,
318 MFP_PIN_TWSI1_SDA,
319 MFP_PIN_TWSI4_SCL,
320 MFP_PIN_TWSI4_SDA,
321 MFP_PIN_CLK_REQ,
322
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EM		 323 MFP_PIN_MAX,
324};
325
326/*
327 * a possible MFP configuration is represented by a 32-bit integer
328 *
329 * bit 0.. 9 - MFP Pin Number (1024 Pins Maximum)
330 * bit 10..12 - Alternate Function Selection
331 * bit 13..15 - Drive Strength
332 * bit 16..18 - Low Power Mode State
333 * bit 19..20 - Low Power Mode Edge Detection
334 * bit 21..22 - Run Mode Pull State
335 *
336 * to facilitate the definition, the following macros are provided
337 *
338 * MFP_CFG_DEFAULT - default MFP configuration value, with
339 * alternate function = 0,
340 * drive strength = fast 3mA (MFP_DS03X)
341 * low power mode = default
342 * edge detection = none
343 *
344 * MFP_CFG - default MFPR value with alternate function
345 * MFP_CFG_DRV - default MFPR value with alternate function and
346 * pin drive strength
347 * MFP_CFG_LPM - default MFPR value with alternate function and
348 * low power mode
349 * MFP_CFG_X - default MFPR value with alternate function,
350 * pin drive strength and low power mode
351 */
352
353typedef unsigned long mfp_cfg_t;
354
355#define MFP_PIN(x) ((x) & 0x3ff)
356
357#define MFP_AF0 (0x0 << 10)
358#define MFP_AF1 (0x1 << 10)
359#define MFP_AF2 (0x2 << 10)
360#define MFP_AF3 (0x3 << 10)
361#define MFP_AF4 (0x4 << 10)
362#define MFP_AF5 (0x5 << 10)
363#define MFP_AF6 (0x6 << 10)
364#define MFP_AF7 (0x7 << 10)
365#define MFP_AF_MASK (0x7 << 10)
366#define MFP_AF(x) (((x) >> 10) & 0x7)
367
368#define MFP_DS01X (0x0 << 13)
369#define MFP_DS02X (0x1 << 13)
370#define MFP_DS03X (0x2 << 13)
371#define MFP_DS04X (0x3 << 13)
372#define MFP_DS06X (0x4 << 13)
373#define MFP_DS08X (0x5 << 13)
374#define MFP_DS10X (0x6 << 13)
375#define MFP_DS13X (0x7 << 13)
376#define MFP_DS_MASK (0x7 << 13)
377#define MFP_DS(x) (((x) >> 13) & 0x7)
378
379#define MFP_LPM_DEFAULT (0x0 << 16)
380#define MFP_LPM_DRIVE_LOW (0x1 << 16)
381#define MFP_LPM_DRIVE_HIGH (0x2 << 16)
382#define MFP_LPM_PULL_LOW (0x3 << 16)
383#define MFP_LPM_PULL_HIGH (0x4 << 16)
384#define MFP_LPM_FLOAT (0x5 << 16)
385#define MFP_LPM_INPUT (0x6 << 16)
386#define MFP_LPM_STATE_MASK (0x7 << 16)
387#define MFP_LPM_STATE(x) (((x) >> 16) & 0x7)
388
389#define MFP_LPM_EDGE_NONE (0x0 << 19)
390#define MFP_LPM_EDGE_RISE (0x1 << 19)
391#define MFP_LPM_EDGE_FALL (0x2 << 19)
392#define MFP_LPM_EDGE_BOTH (0x3 << 19)
393#define MFP_LPM_EDGE_MASK (0x3 << 19)
394#define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3)
395
396#define MFP_PULL_NONE (0x0 << 21)
397#define MFP_PULL_LOW (0x1 << 21)
398#define MFP_PULL_HIGH (0x2 << 21)
399#define MFP_PULL_BOTH (0x3 << 21)
fb60870f
DM		 400#define MFP_PULL_FLOAT (0x4 << 21)
401#define MFP_PULL_MASK (0x7 << 21)
402#define MFP_PULL(x) (((x) >> 21) & 0x7)
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EM		 403
404#define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\
405 MFP_LPM_EDGE_NONE | MFP_PULL_NONE)
406
407#define MFP_CFG(pin, af) \
408 ((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\
409 (MFP_PIN(MFP_PIN_##pin) | MFP_##af))
410
411#define MFP_CFG_DRV(pin, af, drv) \
412 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\
413 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv))
414
415#define MFP_CFG_LPM(pin, af, lpm) \
416 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\
417 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm))
418
419#define MFP_CFG_X(pin, af, drv, lpm) \
420 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\
421 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm))
422
49ea7fc0 423#if defined(CONFIG_PXA3xx) || defined(CONFIG_ARCH_MMP)
f8dec04d
EM		 424/*
425 * each MFP pin will have a MFPR register, since the offset of the
426 * register varies between processors, the processor specific code
427 * should initialize the pin offsets by mfp_init()
428 *
429 * mfp_init_base() - accepts a virtual base for all MFPR registers and
430 * initialize the MFP table to a default state
431 *
432 * mfp_init_addr() - accepts a table of "mfp_addr_map" structure, which
433 * represents a range of MFP pins from "start" to "end", with the offset
25985edc 434 * beginning at "offset", to define a single pin, let "end" = -1.
f8dec04d
EM		 435 *
436 * use
437 *
438 * MFP_ADDR_X() to define a range of pins
439 * MFP_ADDR() to define a single pin
440 * MFP_ADDR_END to signal the end of pin offset definitions
441 */
442struct mfp_addr_map {
443 unsigned int start;
444 unsigned int end;
445 unsigned long offset;
446};
447
448#define MFP_ADDR_X(start, end, offset) \
449 { MFP_PIN_##start, MFP_PIN_##end, offset }
450
451#define MFP_ADDR(pin, offset) \
452 { MFP_PIN_##pin, -1, offset }
453
454#define MFP_ADDR_END { MFP_PIN_INVALID, 0 }
455
97b09da4 456void __init mfp_init_base(void __iomem *mfpr_base);
f8dec04d
EM		 457void __init mfp_init_addr(struct mfp_addr_map *map);
458
459/*
460 * mfp_{read, write}() - for direct read/write access to the MFPR register
461 * mfp_config() - for configuring a group of MFPR registers
462 * mfp_config_lpm() - configuring all low power MFPR registers for suspend
463 * mfp_config_run() - configuring all run time MFPR registers after resume
464 */
465unsigned long mfp_read(int mfp);
466void mfp_write(int mfp, unsigned long mfpr_val);
467void mfp_config(unsigned long *mfp_cfgs, int num);
468void mfp_config_run(void);
469void mfp_config_lpm(void);
49ea7fc0 470#endif /* CONFIG_PXA3xx || CONFIG_ARCH_MMP */
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EM		 471
472#endif /* __ASM_PLAT_MFP_H */
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