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diff --git a/include/asm-arm/arch-pxa/mfp.h b/include/asm-arm/arch-pxa/mfp.h
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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 *
8 * 2007-8-21: eric miao <eric.y.miao@gmail.com>
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
19#define MFPR_BASE (0x40e10000)
20#define MFPR_SIZE (PAGE_SIZE)
21
22#define mfp_to_gpio(m) ((m) % 128)
23
24/* list of all the configurable MFP pins */
25enum {
26 MFP_PIN_INVALID = -1,
27
28 MFP_PIN_GPIO0 = 0,
29 MFP_PIN_GPIO1,
30 MFP_PIN_GPIO2,
31 MFP_PIN_GPIO3,
32 MFP_PIN_GPIO4,
33 MFP_PIN_GPIO5,
34 MFP_PIN_GPIO6,
35 MFP_PIN_GPIO7,
36 MFP_PIN_GPIO8,
37 MFP_PIN_GPIO9,
38 MFP_PIN_GPIO10,
39 MFP_PIN_GPIO11,
40 MFP_PIN_GPIO12,
41 MFP_PIN_GPIO13,
42 MFP_PIN_GPIO14,
43 MFP_PIN_GPIO15,
44 MFP_PIN_GPIO16,
45 MFP_PIN_GPIO17,
46 MFP_PIN_GPIO18,
47 MFP_PIN_GPIO19,
48 MFP_PIN_GPIO20,
49 MFP_PIN_GPIO21,
50 MFP_PIN_GPIO22,
51 MFP_PIN_GPIO23,
52 MFP_PIN_GPIO24,
53 MFP_PIN_GPIO25,
54 MFP_PIN_GPIO26,
55 MFP_PIN_GPIO27,
56 MFP_PIN_GPIO28,
57 MFP_PIN_GPIO29,
58 MFP_PIN_GPIO30,
59 MFP_PIN_GPIO31,
60 MFP_PIN_GPIO32,
61 MFP_PIN_GPIO33,
62 MFP_PIN_GPIO34,
63 MFP_PIN_GPIO35,
64 MFP_PIN_GPIO36,
65 MFP_PIN_GPIO37,
66 MFP_PIN_GPIO38,
67 MFP_PIN_GPIO39,
68 MFP_PIN_GPIO40,
69 MFP_PIN_GPIO41,
70 MFP_PIN_GPIO42,
71 MFP_PIN_GPIO43,
72 MFP_PIN_GPIO44,
73 MFP_PIN_GPIO45,
74 MFP_PIN_GPIO46,
75 MFP_PIN_GPIO47,
76 MFP_PIN_GPIO48,
77 MFP_PIN_GPIO49,
78 MFP_PIN_GPIO50,
79 MFP_PIN_GPIO51,
80 MFP_PIN_GPIO52,
81 MFP_PIN_GPIO53,
82 MFP_PIN_GPIO54,
83 MFP_PIN_GPIO55,
84 MFP_PIN_GPIO56,
85 MFP_PIN_GPIO57,
86 MFP_PIN_GPIO58,
87 MFP_PIN_GPIO59,
88 MFP_PIN_GPIO60,
89 MFP_PIN_GPIO61,
90 MFP_PIN_GPIO62,
91 MFP_PIN_GPIO63,
92 MFP_PIN_GPIO64,
93 MFP_PIN_GPIO65,
94 MFP_PIN_GPIO66,
95 MFP_PIN_GPIO67,
96 MFP_PIN_GPIO68,
97 MFP_PIN_GPIO69,
98 MFP_PIN_GPIO70,
99 MFP_PIN_GPIO71,
100 MFP_PIN_GPIO72,
101 MFP_PIN_GPIO73,
102 MFP_PIN_GPIO74,
103 MFP_PIN_GPIO75,
104 MFP_PIN_GPIO76,
105 MFP_PIN_GPIO77,
106 MFP_PIN_GPIO78,
107 MFP_PIN_GPIO79,
108 MFP_PIN_GPIO80,
109 MFP_PIN_GPIO81,
110 MFP_PIN_GPIO82,
111 MFP_PIN_GPIO83,
112 MFP_PIN_GPIO84,
113 MFP_PIN_GPIO85,
114 MFP_PIN_GPIO86,
115 MFP_PIN_GPIO87,
116 MFP_PIN_GPIO88,
117 MFP_PIN_GPIO89,
118 MFP_PIN_GPIO90,
119 MFP_PIN_GPIO91,
120 MFP_PIN_GPIO92,
121 MFP_PIN_GPIO93,
122 MFP_PIN_GPIO94,
123 MFP_PIN_GPIO95,
124 MFP_PIN_GPIO96,
125 MFP_PIN_GPIO97,
126 MFP_PIN_GPIO98,
127 MFP_PIN_GPIO99,
128 MFP_PIN_GPIO100,
129 MFP_PIN_GPIO101,
130 MFP_PIN_GPIO102,
131 MFP_PIN_GPIO103,
132 MFP_PIN_GPIO104,
133 MFP_PIN_GPIO105,
134 MFP_PIN_GPIO106,
135 MFP_PIN_GPIO107,
136 MFP_PIN_GPIO108,
137 MFP_PIN_GPIO109,
138 MFP_PIN_GPIO110,
139 MFP_PIN_GPIO111,
140 MFP_PIN_GPIO112,
141 MFP_PIN_GPIO113,
142 MFP_PIN_GPIO114,
143 MFP_PIN_GPIO115,
144 MFP_PIN_GPIO116,
145 MFP_PIN_GPIO117,
146 MFP_PIN_GPIO118,
147 MFP_PIN_GPIO119,
148 MFP_PIN_GPIO120,
149 MFP_PIN_GPIO121,
150 MFP_PIN_GPIO122,
151 MFP_PIN_GPIO123,
152 MFP_PIN_GPIO124,
153 MFP_PIN_GPIO125,
154 MFP_PIN_GPIO126,
155 MFP_PIN_GPIO127,
156 MFP_PIN_GPIO0_2,
157 MFP_PIN_GPIO1_2,
158 MFP_PIN_GPIO2_2,
159 MFP_PIN_GPIO3_2,
160 MFP_PIN_GPIO4_2,
161 MFP_PIN_GPIO5_2,
162 MFP_PIN_GPIO6_2,
163 MFP_PIN_GPIO7_2,
164 MFP_PIN_GPIO8_2,
165 MFP_PIN_GPIO9_2,
166 MFP_PIN_GPIO10_2,
167 MFP_PIN_GPIO11_2,
168 MFP_PIN_GPIO12_2,
169 MFP_PIN_GPIO13_2,
170 MFP_PIN_GPIO14_2,
171 MFP_PIN_GPIO15_2,
172 MFP_PIN_GPIO16_2,
173 MFP_PIN_GPIO17_2,
174
175 MFP_PIN_ULPI_STP,
176 MFP_PIN_ULPI_NXT,
177 MFP_PIN_ULPI_DIR,
178
179 MFP_PIN_nXCVREN,
180 MFP_PIN_DF_CLE_nOE,
181 MFP_PIN_DF_nADV1_ALE,
182 MFP_PIN_DF_SCLK_E,
183 MFP_PIN_DF_SCLK_S,
184 MFP_PIN_nBE0,
185 MFP_PIN_nBE1,
186 MFP_PIN_DF_nADV2_ALE,
187 MFP_PIN_DF_INT_RnB,
188 MFP_PIN_DF_nCS0,
189 MFP_PIN_DF_nCS1,
190 MFP_PIN_nLUA,
191 MFP_PIN_nLLA,
192 MFP_PIN_DF_nWE,
193 MFP_PIN_DF_ALE_nWE,
194 MFP_PIN_DF_nRE_nOE,
195 MFP_PIN_DF_ADDR0,
196 MFP_PIN_DF_ADDR1,
197 MFP_PIN_DF_ADDR2,
198 MFP_PIN_DF_ADDR3,
199 MFP_PIN_DF_IO0,
200 MFP_PIN_DF_IO1,
201 MFP_PIN_DF_IO2,
202 MFP_PIN_DF_IO3,
203 MFP_PIN_DF_IO4,
204 MFP_PIN_DF_IO5,
205 MFP_PIN_DF_IO6,
206 MFP_PIN_DF_IO7,
207 MFP_PIN_DF_IO8,
208 MFP_PIN_DF_IO9,
209 MFP_PIN_DF_IO10,
210 MFP_PIN_DF_IO11,
211 MFP_PIN_DF_IO12,
212 MFP_PIN_DF_IO13,
213 MFP_PIN_DF_IO14,
214 MFP_PIN_DF_IO15,
215
216 MFP_PIN_MAX,
217};
218
219/*
220 * Table that determines the low power modes outputs, with actual settings
221 * used in parentheses for don't-care values. Except for the float output,
222 * the configured driven and pulled levels match, so if there is a need for
223 * non-LPM pulled output, the same configuration could probably be used.
224 *
225 * Output value sleep_oe_n sleep_data pullup_en pulldown_en pull_sel
226 * (bit 7) (bit 8) (bit 14d) (bit 13d)
227 *
228 * Drive 0 0 0 0 X (1) 0
229 * Drive 1 0 1 X (1) 0 0
230 * Pull hi (1) 1 X(1) 1 0 0
231 * Pull lo (0) 1 X(0) 0 1 0
232 * Z (float) 1 X(0) 0 0 0
233 */
234#define MFP_LPM_DRIVE_LOW 0x8
235#define MFP_LPM_DRIVE_HIGH 0x6
236#define MFP_LPM_PULL_HIGH 0x7
237#define MFP_LPM_PULL_LOW 0x9
238#define MFP_LPM_FLOAT 0x1
239#define MFP_LPM_PULL_NEITHER 0x0
240
241/*
242 * The pullup and pulldown state of the MFP pin is by default determined by
243 * selected alternate function. In case some buggy devices need to override
244 * this default behavior, pxa3xx_mfp_set_pull() can be invoked with one of
245 * the following definition as the parameter.
246 *
247 * Definition pull_sel pullup_en pulldown_en
248 * MFP_PULL_HIGH 1 1 0
249 * MFP_PULL_LOW 1 0 1
250 * MFP_PULL_BOTH 1 1 1
251 * MFP_PULL_NONE 1 0 0
252 * MFP_PULL_DEFAULT 0 X X
253 *
254 * NOTE: pxa3xx_mfp_set_pull() will modify the PULLUP_EN and PULLDOWN_EN
255 * bits, which will cause potential conflicts with the low power mode
256 * setting, device drivers should take care of this
257 */
258#define MFP_PULL_BOTH (0x7u)
259#define MFP_PULL_HIGH (0x6u)
260#define MFP_PULL_LOW (0x5u)
261#define MFP_PULL_NONE (0x4u)
262#define MFP_PULL_DEFAULT (0x0u)
263
264#define MFP_AF0 (0)
265#define MFP_AF1 (1)
266#define MFP_AF2 (2)
267#define MFP_AF3 (3)
268#define MFP_AF4 (4)
269#define MFP_AF5 (5)
270#define MFP_AF6 (6)
271#define MFP_AF7 (7)
272
273#define MFP_DS01X (0)
274#define MFP_DS02X (1)
275#define MFP_DS03X (2)
276#define MFP_DS04X (3)
277#define MFP_DS06X (4)
278#define MFP_DS08X (5)
279#define MFP_DS10X (6)
280#define MFP_DS12X (7)
281
282#define MFP_EDGE_BOTH 0x3
283#define MFP_EDGE_RISE 0x2
284#define MFP_EDGE_FALL 0x1
285#define MFP_EDGE_NONE 0x0
286
287#define MFPR_AF_MASK 0x0007
288#define MFPR_DRV_MASK 0x1c00
289#define MFPR_RDH_MASK 0x0200
290#define MFPR_LPM_MASK 0xe180
291#define MFPR_PULL_MASK 0xe000
292#define MFPR_EDGE_MASK 0x0070
293
294#define MFPR_ALT_OFFSET 0
295#define MFPR_ERE_OFFSET 4
296#define MFPR_EFE_OFFSET 5
297#define MFPR_EC_OFFSET 6
298#define MFPR_SON_OFFSET 7
299#define MFPR_SD_OFFSET 8
300#define MFPR_SS_OFFSET 9
301#define MFPR_DRV_OFFSET 10
302#define MFPR_PD_OFFSET 13
303#define MFPR_PU_OFFSET 14
304#define MFPR_PS_OFFSET 15
305
306#define MFPR(af, drv, rdh, lpm, edge) \
307 (((af) & 0x7) | (((drv) & 0x7) << 10) |\
308 (((rdh) & 0x1) << 9) |\
309 (((lpm) & 0x3) << 7) |\
310 (((lpm) & 0x4) << 12)|\
311 (((lpm) & 0x8) << 10)|\
312 ((!(edge)) << 6) |\
313 (((edge) & 0x1) << 5) |\
314 (((edge) & 0x2) << 3))
315
316/*
317 * a possible MFP configuration is represented by a 32-bit integer
318 * bit 0..15 - MFPR value (16-bit)
319 * bit 16..31 - mfp pin index (used to obtain the MFPR offset)
320 *
321 * to facilitate the definition, the following macros are provided
322 *
323 * MFPR_DEFAULT - default MFPR value, with
324 * alternate function = 0,
325 * drive strength = fast 1mA (MFP_DS01X)
326 * low power mode = default
327 * release dalay hold = false (RDH bit)
328 * edge detection = none
329 *
330 * MFP_CFG - default MFPR value with alternate function
331 * MFP_CFG_DRV - default MFPR value with alternate function and
332 * pin drive strength
333 * MFP_CFG_LPM - default MFPR value with alternate function and
334 * low power mode
335 * MFP_CFG_X - default MFPR value with alternate function,
336 * pin drive strength and low power mode
337 *
338 * use
339 *
340 * MFP_CFG_PIN - to get the MFP pin index
341 * MFP_CFG_VAL - to get the corresponding MFPR value
342 */
343
344typedef uint32_t mfp_cfg_t;
345
346#define MFP_CFG_PIN(mfp_cfg) (((mfp_cfg) >> 16) & 0xffff)
347#define MFP_CFG_VAL(mfp_cfg) ((mfp_cfg) & 0xffff)
348
349#define MFPR_DEFAULT (0x0000)
350
351#define MFP_CFG(pin, af) \
352 ((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af))
353
354#define MFP_CFG_DRV(pin, af, drv) \
355 ((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\
356 ((MFP_##drv) << 10) | (MFP_##af))
357
358#define MFP_CFG_LPM(pin, af, lpm) \
359 ((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af) |\
360 (((MFP_LPM_##lpm) & 0x3) << 7) |\
361 (((MFP_LPM_##lpm) & 0x4) << 12) |\
362 (((MFP_LPM_##lpm) & 0x8) << 10))
363
364#define MFP_CFG_X(pin, af, drv, lpm) \
365 ((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\
366 ((MFP_##drv) << 10) | (MFP_##af) |\
367 (((MFP_LPM_##lpm) & 0x3) << 7) |\
368 (((MFP_LPM_##lpm) & 0x4) << 12) |\
369 (((MFP_LPM_##lpm) & 0x8) << 10))
370
371/* common MFP configurations - processor specific ones defined
372 * in mfp-pxa3xx.h
373 */
374#define GPIO0_GPIO MFP_CFG(GPIO0, AF0)
375#define GPIO1_GPIO MFP_CFG(GPIO1, AF0)
376#define GPIO2_GPIO MFP_CFG(GPIO2, AF0)
377#define GPIO3_GPIO MFP_CFG(GPIO3, AF0)
378#define GPIO4_GPIO MFP_CFG(GPIO4, AF0)
379#define GPIO5_GPIO MFP_CFG(GPIO5, AF0)
380#define GPIO6_GPIO MFP_CFG(GPIO6, AF0)
381#define GPIO7_GPIO MFP_CFG(GPIO7, AF0)
382#define GPIO8_GPIO MFP_CFG(GPIO8, AF0)
383#define GPIO9_GPIO MFP_CFG(GPIO9, AF0)
384#define GPIO10_GPIO MFP_CFG(GPIO10, AF0)
385#define GPIO11_GPIO MFP_CFG(GPIO11, AF0)
386#define GPIO12_GPIO MFP_CFG(GPIO12, AF0)
387#define GPIO13_GPIO MFP_CFG(GPIO13, AF0)
388#define GPIO14_GPIO MFP_CFG(GPIO14, AF0)
389#define GPIO15_GPIO MFP_CFG(GPIO15, AF0)
390#define GPIO16_GPIO MFP_CFG(GPIO16, AF0)
391#define GPIO17_GPIO MFP_CFG(GPIO17, AF0)
392#define GPIO18_GPIO MFP_CFG(GPIO18, AF0)
393#define GPIO19_GPIO MFP_CFG(GPIO19, AF0)
394#define GPIO20_GPIO MFP_CFG(GPIO20, AF0)
395#define GPIO21_GPIO MFP_CFG(GPIO21, AF0)
396#define GPIO22_GPIO MFP_CFG(GPIO22, AF0)
397#define GPIO23_GPIO MFP_CFG(GPIO23, AF0)
398#define GPIO24_GPIO MFP_CFG(GPIO24, AF0)
399#define GPIO25_GPIO MFP_CFG(GPIO25, AF0)
400#define GPIO26_GPIO MFP_CFG(GPIO26, AF0)
401#define GPIO27_GPIO MFP_CFG(GPIO27, AF0)
402#define GPIO28_GPIO MFP_CFG(GPIO28, AF0)
403#define GPIO29_GPIO MFP_CFG(GPIO29, AF0)
404#define GPIO30_GPIO MFP_CFG(GPIO30, AF0)
405#define GPIO31_GPIO MFP_CFG(GPIO31, AF0)
406#define GPIO32_GPIO MFP_CFG(GPIO32, AF0)
407#define GPIO33_GPIO MFP_CFG(GPIO33, AF0)
408#define GPIO34_GPIO MFP_CFG(GPIO34, AF0)
409#define GPIO35_GPIO MFP_CFG(GPIO35, AF0)
410#define GPIO36_GPIO MFP_CFG(GPIO36, AF0)
411#define GPIO37_GPIO MFP_CFG(GPIO37, AF0)
412#define GPIO38_GPIO MFP_CFG(GPIO38, AF0)
413#define GPIO39_GPIO MFP_CFG(GPIO39, AF0)
414#define GPIO40_GPIO MFP_CFG(GPIO40, AF0)
415#define GPIO41_GPIO MFP_CFG(GPIO41, AF0)
416#define GPIO42_GPIO MFP_CFG(GPIO42, AF0)
417#define GPIO43_GPIO MFP_CFG(GPIO43, AF0)
418#define GPIO44_GPIO MFP_CFG(GPIO44, AF0)
419#define GPIO45_GPIO MFP_CFG(GPIO45, AF0)
420
421#define GPIO47_GPIO MFP_CFG(GPIO47, AF0)
422#define GPIO48_GPIO MFP_CFG(GPIO48, AF0)
423
424#define GPIO53_GPIO MFP_CFG(GPIO53, AF0)
425#define GPIO54_GPIO MFP_CFG(GPIO54, AF0)
426#define GPIO55_GPIO MFP_CFG(GPIO55, AF0)
427
428#define GPIO57_GPIO MFP_CFG(GPIO57, AF0)
429
430#define GPIO63_GPIO MFP_CFG(GPIO63, AF0)
431#define GPIO64_GPIO MFP_CFG(GPIO64, AF0)
432#define GPIO65_GPIO MFP_CFG(GPIO65, AF0)
433#define GPIO66_GPIO MFP_CFG(GPIO66, AF0)
434#define GPIO67_GPIO MFP_CFG(GPIO67, AF0)
435#define GPIO68_GPIO MFP_CFG(GPIO68, AF0)
436#define GPIO69_GPIO MFP_CFG(GPIO69, AF0)
437#define GPIO70_GPIO MFP_CFG(GPIO70, AF0)
438#define GPIO71_GPIO MFP_CFG(GPIO71, AF0)
439#define GPIO72_GPIO MFP_CFG(GPIO72, AF0)
440#define GPIO73_GPIO MFP_CFG(GPIO73, AF0)
441#define GPIO74_GPIO MFP_CFG(GPIO74, AF0)
442#define GPIO75_GPIO MFP_CFG(GPIO75, AF0)
443#define GPIO76_GPIO MFP_CFG(GPIO76, AF0)
444#define GPIO77_GPIO MFP_CFG(GPIO77, AF0)
445#define GPIO78_GPIO MFP_CFG(GPIO78, AF0)
446#define GPIO79_GPIO MFP_CFG(GPIO79, AF0)
447#define GPIO80_GPIO MFP_CFG(GPIO80, AF0)
448#define GPIO81_GPIO MFP_CFG(GPIO81, AF0)
449#define GPIO82_GPIO MFP_CFG(GPIO82, AF0)
450#define GPIO83_GPIO MFP_CFG(GPIO83, AF0)
451#define GPIO84_GPIO MFP_CFG(GPIO84, AF0)
452#define GPIO85_GPIO MFP_CFG(GPIO85, AF0)
453#define GPIO86_GPIO MFP_CFG(GPIO86, AF0)
454#define GPIO87_GPIO MFP_CFG(GPIO87, AF0)
455#define GPIO88_GPIO MFP_CFG(GPIO88, AF0)
456#define GPIO89_GPIO MFP_CFG(GPIO89, AF0)
457#define GPIO90_GPIO MFP_CFG(GPIO90, AF0)
458#define GPIO91_GPIO MFP_CFG(GPIO91, AF0)
459#define GPIO92_GPIO MFP_CFG(GPIO92, AF0)
460#define GPIO93_GPIO MFP_CFG(GPIO93, AF0)
461#define GPIO94_GPIO MFP_CFG(GPIO94, AF0)
462#define GPIO95_GPIO MFP_CFG(GPIO95, AF0)
463#define GPIO96_GPIO MFP_CFG(GPIO96, AF0)
464#define GPIO97_GPIO MFP_CFG(GPIO97, AF0)
465#define GPIO98_GPIO MFP_CFG(GPIO98, AF0)
466#define GPIO99_GPIO MFP_CFG(GPIO99, AF0)
467#define GPIO100_GPIO MFP_CFG(GPIO100, AF0)
468#define GPIO101_GPIO MFP_CFG(GPIO101, AF0)
469#define GPIO102_GPIO MFP_CFG(GPIO102, AF0)
470#define GPIO103_GPIO MFP_CFG(GPIO103, AF0)
471#define GPIO104_GPIO MFP_CFG(GPIO104, AF0)
472#define GPIO105_GPIO MFP_CFG(GPIO105, AF0)
473#define GPIO106_GPIO MFP_CFG(GPIO106, AF0)
474#define GPIO107_GPIO MFP_CFG(GPIO107, AF0)
475#define GPIO108_GPIO MFP_CFG(GPIO108, AF0)
476#define GPIO109_GPIO MFP_CFG(GPIO109, AF0)
477#define GPIO110_GPIO MFP_CFG(GPIO110, AF0)
478#define GPIO111_GPIO MFP_CFG(GPIO111, AF0)
479#define GPIO112_GPIO MFP_CFG(GPIO112, AF0)
480#define GPIO113_GPIO MFP_CFG(GPIO113, AF0)
481#define GPIO114_GPIO MFP_CFG(GPIO114, AF0)
482#define GPIO115_GPIO MFP_CFG(GPIO115, AF0)
483#define GPIO116_GPIO MFP_CFG(GPIO116, AF0)
484#define GPIO117_GPIO MFP_CFG(GPIO117, AF0)
485#define GPIO118_GPIO MFP_CFG(GPIO118, AF0)
486#define GPIO119_GPIO MFP_CFG(GPIO119, AF0)
487#define GPIO120_GPIO MFP_CFG(GPIO120, AF0)
488#define GPIO121_GPIO MFP_CFG(GPIO121, AF0)
489#define GPIO122_GPIO MFP_CFG(GPIO122, AF0)
490#define GPIO123_GPIO MFP_CFG(GPIO123, AF0)
491#define GPIO124_GPIO MFP_CFG(GPIO124, AF0)
492#define GPIO125_GPIO MFP_CFG(GPIO125, AF0)
493#define GPIO126_GPIO MFP_CFG(GPIO126, AF0)
494#define GPIO127_GPIO MFP_CFG(GPIO127, AF0)
495
496#define GPIO0_2_GPIO MFP_CFG(GPIO0_2, AF0)
497#define GPIO1_2_GPIO MFP_CFG(GPIO1_2, AF0)
498#define GPIO2_2_GPIO MFP_CFG(GPIO2_2, AF0)
499#define GPIO3_2_GPIO MFP_CFG(GPIO3_2, AF0)
500#define GPIO4_2_GPIO MFP_CFG(GPIO4_2, AF0)
501#define GPIO5_2_GPIO MFP_CFG(GPIO5_2, AF0)
502#define GPIO6_2_GPIO MFP_CFG(GPIO6_2, AF0)
503
504/*
505 * each MFP pin will have a MFPR register, since the offset of the
506 * register varies between processors, the processor specific code
507 * should initialize the pin offsets by pxa3xx_mfp_init_addr()
508 *
509 * pxa3xx_mfp_init_addr - accepts a table of "pxa3xx_mfp_addr_map"
510 * structure, which represents a range of MFP pins from "start" to
511 * "end", with the offset begining at "offset", to define a single
512 * pin, let "end" = -1
513 *
514 * use
515 *
516 * MFP_ADDR_X() to define a range of pins
517 * MFP_ADDR() to define a single pin
518 * MFP_ADDR_END to signal the end of pin offset definitions
519 */
520struct pxa3xx_mfp_addr_map {
521 unsigned int start;
522 unsigned int end;
523 unsigned long offset;
524};
525
526#define MFP_ADDR_X(start, end, offset) \
527 { MFP_PIN_##start, MFP_PIN_##end, offset }
528
529#define MFP_ADDR(pin, offset) \
530 { MFP_PIN_##pin, -1, offset }
531
532#define MFP_ADDR_END { MFP_PIN_INVALID, 0 }
533
534struct pxa3xx_mfp_pin {
535 unsigned long mfpr_off; /* MFPRxx register offset */
536 unsigned long mfpr_val; /* MFPRxx register value */
537};
538
539/*
540 * pxa3xx_mfp_read()/pxa3xx_mfp_write() - for direct read/write access
541 * to the MFPR register
542 */
543unsigned long pxa3xx_mfp_read(int mfp);
544void pxa3xx_mfp_write(int mfp, unsigned long mfpr_val);
545
546/*
547 * pxa3xx_mfp_set_afds - set MFP alternate function and drive strength
548 * pxa3xx_mfp_set_rdh - set MFP release delay hold on/off
549 * pxa3xx_mfp_set_lpm - set MFP low power mode state
550 * pxa3xx_mfp_set_edge - set MFP edge detection in low power mode
551 *
552 * use these functions to override/change the default configuration
553 * done by pxa3xx_mfp_set_config(s)
554 */
555void pxa3xx_mfp_set_afds(int mfp, int af, int ds);
556void pxa3xx_mfp_set_rdh(int mfp, int rdh);
557void pxa3xx_mfp_set_lpm(int mfp, int lpm);
558void pxa3xx_mfp_set_edge(int mfp, int edge);
559
560/*
561 * pxa3xx_mfp_config - configure the MFPR registers
562 *
563 * used by board specific initialization code
564 */
565void pxa3xx_mfp_config(mfp_cfg_t *mfp_cfgs, int num);
566
567/*
568 * pxa3xx_mfp_init_addr() - initialize the mapping between mfp pin
569 * index and MFPR register offset
570 *
571 * used by processor specific code
572 */
573void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *);
574void __init pxa3xx_init_mfp(void);
575
576#endif /* __ASM_ARCH_MFP_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-01 19:25:23 -0400