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8#include <linux/err.h>
9#include <linux/init.h>
10#include <linux/io.h>
11#include <linux/bitops.h>
12#include <linux/platform_device.h>
13#include <linux/clk.h>
14#include <linux/of.h>
15#include <linux/of_device.h>
16#include <linux/mfd/syscon.h>
17#include <linux/pinctrl/pinctrl.h>
18#include <linux/regmap.h>
19
20#include "pinctrl-mvebu.h"
21
22
23#define INT_REGS_MASK ~(SZ_1M - 1)
24#define MPP4_REGS_OFFS 0xd0440
25#define PMU_REGS_OFFS 0xd802c
26#define GC_REGS_OFFS 0xe802c
27
28
29#define PMU_MPP_GENERAL_CTRL 0x10
30#define AU0_AC97_SEL BIT(16)
31
32
33#define SPI_GPIO_SEL BIT(5)
34#define UART1_GPIO_SEL BIT(4)
35#define AU1_GPIO_SEL BIT(3)
36#define CAM_GPIO_SEL BIT(2)
37#define SD1_GPIO_SEL BIT(1)
38#define SD0_GPIO_SEL BIT(0)
39
40
41#define PMU_SIGNAL_SELECT_0 0x00
42#define PMU_SIGNAL_SELECT_1 0x04
43
44
45#define GLOBAL_CONFIG_1 0x00
46#define TWSI_ENABLE_OPTION1 BIT(7)
47#define GLOBAL_CONFIG_2 0x04
48#define TWSI_ENABLE_OPTION2 BIT(20)
49#define TWSI_ENABLE_OPTION3 BIT(21)
50#define TWSI_OPTION3_GPIO BIT(22)
51#define SSP_CTRL_STATUS_1 0x08
52#define SSP_ON_AU1 BIT(0)
53#define MPP_GENERAL_CONFIG 0x10
54#define AU1_SPDIFO_GPIO_EN BIT(1)
55#define NAND_GPIO_EN BIT(0)
56
57#define CONFIG_PMU BIT(4)
58
59static void __iomem *mpp4_base;
60static void __iomem *pmu_base;
61static struct regmap *gconfmap;
62
63static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl_data *data,
64 unsigned pid, unsigned long *config)
65{
66 unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
67 unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
68 unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
69 unsigned long func;
70
71 if ((pmu & BIT(pid)) == 0)
72 return mvebu_mmio_mpp_ctrl_get(data, pid, config);
73
74 func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off);
75 *config = (func >> shift) & MVEBU_MPP_MASK;
76 *config |= CONFIG_PMU;
77
78 return 0;
79}
80
81static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl_data *data,
82 unsigned pid, unsigned long config)
83{
84 unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
85 unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
86 unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
87 unsigned long func;
88
89 if ((config & CONFIG_PMU) == 0) {
90 writel(pmu & ~BIT(pid), data->base + PMU_MPP_GENERAL_CTRL);
91 return mvebu_mmio_mpp_ctrl_set(data, pid, config);
92 }
93
94 writel(pmu | BIT(pid), data->base + PMU_MPP_GENERAL_CTRL);
95 func = readl(pmu_base + PMU_SIGNAL_SELECT_0 + off);
96 func &= ~(MVEBU_MPP_MASK << shift);
97 func |= (config & MVEBU_MPP_MASK) << shift;
98 writel(func, pmu_base + PMU_SIGNAL_SELECT_0 + off);
99
100 return 0;
101}
102
103static int dove_mpp4_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
104 unsigned long *config)
105{
106 unsigned long mpp4 = readl(mpp4_base);
107 unsigned long mask;
108
109 switch (pid) {
110 case 24:
111 mask = CAM_GPIO_SEL;
112 break;
113 case 40:
114 mask = SD0_GPIO_SEL;
115 break;
116 case 46:
117 mask = SD1_GPIO_SEL;
118 break;
119 case 58:
120 mask = SPI_GPIO_SEL;
121 break;
122 case 62:
123 mask = UART1_GPIO_SEL;
124 break;
125 default:
126 return -EINVAL;
127 }
128
129 *config = ((mpp4 & mask) != 0);
130
131 return 0;
132}
133
134static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
135 unsigned long config)
136{
137 unsigned long mpp4 = readl(mpp4_base);
138 unsigned long mask;
139
140 switch (pid) {
141 case 24:
142 mask = CAM_GPIO_SEL;
143 break;
144 case 40:
145 mask = SD0_GPIO_SEL;
146 break;
147 case 46:
148 mask = SD1_GPIO_SEL;
149 break;
150 case 58:
151 mask = SPI_GPIO_SEL;
152 break;
153 case 62:
154 mask = UART1_GPIO_SEL;
155 break;
156 default:
157 return -EINVAL;
158 }
159
160 mpp4 &= ~mask;
161 if (config)
162 mpp4 |= mask;
163
164 writel(mpp4, mpp4_base);
165
166 return 0;
167}
168
169static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
170 unsigned long *config)
171{
172 unsigned int gmpp;
173
174 regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp);
175 *config = ((gmpp & NAND_GPIO_EN) != 0);
176
177 return 0;
178}
179
180static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
181 unsigned long config)
182{
183 regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG,
184 NAND_GPIO_EN,
185 (config) ? NAND_GPIO_EN : 0);
186 return 0;
187}
188
189static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
190 unsigned long *config)
191{
192 unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
193
194 *config = ((pmu & AU0_AC97_SEL) != 0);
195
196 return 0;
197}
198
199static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
200 unsigned long config)
201{
202 unsigned long pmu = readl(data->base + PMU_MPP_GENERAL_CTRL);
203
204 pmu &= ~AU0_AC97_SEL;
205 if (config)
206 pmu |= AU0_AC97_SEL;
207 writel(pmu, data->base + PMU_MPP_GENERAL_CTRL);
208
209 return 0;
210}
211
212static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
213 unsigned long *config)
214{
215 unsigned int mpp4 = readl(mpp4_base);
216 unsigned int sspc1;
217 unsigned int gmpp;
218 unsigned int gcfg2;
219
220 regmap_read(gconfmap, SSP_CTRL_STATUS_1, &sspc1);
221 regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp);
222 regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2);
223
224 *config = 0;
225 if (mpp4 & AU1_GPIO_SEL)
226 *config |= BIT(3);
227 if (sspc1 & SSP_ON_AU1)
228 *config |= BIT(2);
229 if (gmpp & AU1_SPDIFO_GPIO_EN)
230 *config |= BIT(1);
231 if (gcfg2 & TWSI_OPTION3_GPIO)
232 *config |= BIT(0);
233
234
235 if ((*config & BIT(3)) == 0)
236 *config &= ~(BIT(2) | BIT(0));
237
238 if ((*config & BIT(1)) == 0)
239 *config &= ~BIT(0);
240 return 0;
241}
242
243static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
244 unsigned long config)
245{
246 unsigned int mpp4 = readl(mpp4_base);
247
248 mpp4 &= ~AU1_GPIO_SEL;
249 if (config & BIT(3))
250 mpp4 |= AU1_GPIO_SEL;
251 writel(mpp4, mpp4_base);
252
253 regmap_update_bits(gconfmap, SSP_CTRL_STATUS_1,
254 SSP_ON_AU1,
255 (config & BIT(2)) ? SSP_ON_AU1 : 0);
256 regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG,
257 AU1_SPDIFO_GPIO_EN,
258 (config & BIT(1)) ? AU1_SPDIFO_GPIO_EN : 0);
259 regmap_update_bits(gconfmap, GLOBAL_CONFIG_2,
260 TWSI_OPTION3_GPIO,
261 (config & BIT(0)) ? TWSI_OPTION3_GPIO : 0);
262
263 return 0;
264}
265
266
267
268
269
270
271static int dove_audio1_ctrl_gpio_req(struct mvebu_mpp_ctrl_data *data,
272 unsigned pid)
273{
274 unsigned long config;
275
276 dove_audio1_ctrl_get(data, pid, &config);
277
278 switch (config) {
279 case 0x02:
280 case 0x0e:
281 if (pid >= 56)
282 return 0;
283 return -ENOTSUPP;
284 case 0x08:
285 case 0x0b:
286 if (pid <= 55)
287 return 0;
288 return -ENOTSUPP;
289 case 0x0a:
290 return 0;
291
292
293
294 }
295 return -ENOTSUPP;
296}
297
298
299static int dove_audio1_ctrl_gpio_dir(struct mvebu_mpp_ctrl_data *data,
300 unsigned pid, bool input)
301{
302 if (pid < 52 || pid > 57)
303 return -ENOTSUPP;
304 return 0;
305}
306
307static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl_data *data, unsigned pid,
308 unsigned long *config)
309{
310 unsigned int gcfg1;
311 unsigned int gcfg2;
312
313 regmap_read(gconfmap, GLOBAL_CONFIG_1, &gcfg1);
314 regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2);
315
316 *config = 0;
317 if (gcfg1 & TWSI_ENABLE_OPTION1)
318 *config = 1;
319 else if (gcfg2 & TWSI_ENABLE_OPTION2)
320 *config = 2;
321 else if (gcfg2 & TWSI_ENABLE_OPTION3)
322 *config = 3;
323
324 return 0;
325}
326
327static int dove_twsi_ctrl_set(struct mvebu_mpp_ctrl_data *data, unsigned pid,
328 unsigned long config)
329{
330 unsigned int gcfg1 = 0;
331 unsigned int gcfg2 = 0;
332
333 switch (config) {
334 case 1:
335 gcfg1 = TWSI_ENABLE_OPTION1;
336 break;
337 case 2:
338 gcfg2 = TWSI_ENABLE_OPTION2;
339 break;
340 case 3:
341 gcfg2 = TWSI_ENABLE_OPTION3;
342 break;
343 }
344
345 regmap_update_bits(gconfmap, GLOBAL_CONFIG_1,
346 TWSI_ENABLE_OPTION1,
347 gcfg1);
348 regmap_update_bits(gconfmap, GLOBAL_CONFIG_2,
349 TWSI_ENABLE_OPTION2 | TWSI_ENABLE_OPTION3,
350 gcfg2);
351
352 return 0;
353}
354
355static const struct mvebu_mpp_ctrl dove_mpp_controls[] = {
356 MPP_FUNC_CTRL(0, 15, NULL, dove_pmu_mpp_ctrl),
357 MPP_FUNC_CTRL(16, 23, NULL, mvebu_mmio_mpp_ctrl),
358 MPP_FUNC_CTRL(24, 39, "mpp_camera", dove_mpp4_ctrl),
359 MPP_FUNC_CTRL(40, 45, "mpp_sdio0", dove_mpp4_ctrl),
360 MPP_FUNC_CTRL(46, 51, "mpp_sdio1", dove_mpp4_ctrl),
361 MPP_FUNC_GPIO_CTRL(52, 57, "mpp_audio1", dove_audio1_ctrl),
362 MPP_FUNC_CTRL(58, 61, "mpp_spi0", dove_mpp4_ctrl),
363 MPP_FUNC_CTRL(62, 63, "mpp_uart1", dove_mpp4_ctrl),
364 MPP_FUNC_CTRL(64, 71, "mpp_nand", dove_nand_ctrl),
365 MPP_FUNC_CTRL(72, 72, "audio0", dove_audio0_ctrl),
366 MPP_FUNC_CTRL(73, 73, "twsi", dove_twsi_ctrl),
367};
368
369static struct mvebu_mpp_mode dove_mpp_modes[] = {
370 MPP_MODE(0,
371 MPP_FUNCTION(0x00, "gpio", NULL),
372 MPP_FUNCTION(0x02, "uart2", "rts"),
373 MPP_FUNCTION(0x03, "sdio0", "cd"),
374 MPP_FUNCTION(0x0f, "lcd0", "pwm"),
375 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
376 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
377 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
378 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
379 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
380 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
381 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
382 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
383 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
384 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
385 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
386 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
387 MPP_MODE(1,
388 MPP_FUNCTION(0x00, "gpio", NULL),
389 MPP_FUNCTION(0x02, "uart2", "cts"),
390 MPP_FUNCTION(0x03, "sdio0", "wp"),
391 MPP_FUNCTION(0x0f, "lcd1", "pwm"),
392 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
393 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
394 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
395 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
396 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
397 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
398 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
399 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
400 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
401 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
402 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
403 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
404 MPP_MODE(2,
405 MPP_FUNCTION(0x00, "gpio", NULL),
406 MPP_FUNCTION(0x01, "sata", "prsnt"),
407 MPP_FUNCTION(0x02, "uart2", "txd"),
408 MPP_FUNCTION(0x03, "sdio0", "buspwr"),
409 MPP_FUNCTION(0x04, "uart1", "rts"),
410 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
411 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
412 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
413 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
414 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
415 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
416 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
417 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
418 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
419 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
420 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
421 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
422 MPP_MODE(3,
423 MPP_FUNCTION(0x00, "gpio", NULL),
424 MPP_FUNCTION(0x01, "sata", "act"),
425 MPP_FUNCTION(0x02, "uart2", "rxd"),
426 MPP_FUNCTION(0x03, "sdio0", "ledctrl"),
427 MPP_FUNCTION(0x04, "uart1", "cts"),
428 MPP_FUNCTION(0x0f, "lcd-spi", "cs1"),
429 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
430 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
431 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
432 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
433 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
434 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
435 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
436 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
437 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
438 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
439 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
440 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
441 MPP_MODE(4,
442 MPP_FUNCTION(0x00, "gpio", NULL),
443 MPP_FUNCTION(0x02, "uart3", "rts"),
444 MPP_FUNCTION(0x03, "sdio1", "cd"),
445 MPP_FUNCTION(0x04, "spi1", "miso"),
446 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
447 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
448 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
449 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
450 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
451 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
452 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
453 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
454 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
455 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
456 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
457 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
458 MPP_MODE(5,
459 MPP_FUNCTION(0x00, "gpio", NULL),
460 MPP_FUNCTION(0x02, "uart3", "cts"),
461 MPP_FUNCTION(0x03, "sdio1", "wp"),
462 MPP_FUNCTION(0x04, "spi1", "cs"),
463 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
464 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
465 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
466 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
467 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
468 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
469 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
470 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
471 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
472 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
473 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
474 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
475 MPP_MODE(6,
476 MPP_FUNCTION(0x00, "gpio", NULL),
477 MPP_FUNCTION(0x02, "uart3", "txd"),
478 MPP_FUNCTION(0x03, "sdio1", "buspwr"),
479 MPP_FUNCTION(0x04, "spi1", "mosi"),
480 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
481 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
482 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
483 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
484 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
485 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
486 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
487 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
488 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
489 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
490 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
491 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
492 MPP_MODE(7,
493 MPP_FUNCTION(0x00, "gpio", NULL),
494 MPP_FUNCTION(0x02, "uart3", "rxd"),
495 MPP_FUNCTION(0x03, "sdio1", "ledctrl"),
496 MPP_FUNCTION(0x04, "spi1", "sck"),
497 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
498 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
499 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
500 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
501 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
502 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
503 MPP_FUNCTION(CONFIG_PMU | 0x8, "core-pwr-good", NULL),
504 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
505 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
506 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
507 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
508 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
509 MPP_MODE(8,
510 MPP_FUNCTION(0x00, "gpio", NULL),
511 MPP_FUNCTION(0x01, "watchdog", "rstout"),
512 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
513 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
514 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
515 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
516 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
517 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
518 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
519 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
520 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
521 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
522 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
523 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
524 MPP_MODE(9,
525 MPP_FUNCTION(0x00, "gpio", NULL),
526 MPP_FUNCTION(0x05, "pex1", "clkreq"),
527 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
528 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
529 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
530 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
531 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
532 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
533 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
534 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
535 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
536 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
537 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
538 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
539 MPP_MODE(10,
540 MPP_FUNCTION(0x00, "gpio", NULL),
541 MPP_FUNCTION(0x05, "ssp", "sclk"),
542 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
543 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
544 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
545 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
546 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
547 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
548 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
549 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
550 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
551 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
552 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
553 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
554 MPP_MODE(11,
555 MPP_FUNCTION(0x00, "gpio", NULL),
556 MPP_FUNCTION(0x01, "sata", "prsnt"),
557 MPP_FUNCTION(0x02, "sata-1", "act"),
558 MPP_FUNCTION(0x03, "sdio0", "ledctrl"),
559 MPP_FUNCTION(0x04, "sdio1", "ledctrl"),
560 MPP_FUNCTION(0x05, "pex0", "clkreq"),
561 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
562 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
563 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
564 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
565 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
566 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
567 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
568 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
569 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
570 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
571 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
572 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
573 MPP_MODE(12,
574 MPP_FUNCTION(0x00, "gpio", NULL),
575 MPP_FUNCTION(0x01, "sata", "act"),
576 MPP_FUNCTION(0x02, "uart2", "rts"),
577 MPP_FUNCTION(0x03, "audio0", "extclk"),
578 MPP_FUNCTION(0x04, "sdio1", "cd"),
579 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
580 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
581 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
582 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
583 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
584 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
585 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
586 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
587 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
588 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
589 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
590 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
591 MPP_MODE(13,
592 MPP_FUNCTION(0x00, "gpio", NULL),
593 MPP_FUNCTION(0x02, "uart2", "cts"),
594 MPP_FUNCTION(0x03, "audio1", "extclk"),
595 MPP_FUNCTION(0x04, "sdio1", "wp"),
596 MPP_FUNCTION(0x05, "ssp", "extclk"),
597 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
598 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
599 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
600 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
601 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
602 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
603 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
604 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
605 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
606 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
607 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
608 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
609 MPP_MODE(14,
610 MPP_FUNCTION(0x00, "gpio", NULL),
611 MPP_FUNCTION(0x02, "uart2", "txd"),
612 MPP_FUNCTION(0x04, "sdio1", "buspwr"),
613 MPP_FUNCTION(0x05, "ssp", "rxd"),
614 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
615 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
616 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
617 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
618 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
619 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
620 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
621 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
622 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
623 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
624 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
625 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
626 MPP_MODE(15,
627 MPP_FUNCTION(0x00, "gpio", NULL),
628 MPP_FUNCTION(0x02, "uart2", "rxd"),
629 MPP_FUNCTION(0x04, "sdio1", "ledctrl"),
630 MPP_FUNCTION(0x05, "ssp", "sfrm"),
631 MPP_FUNCTION(CONFIG_PMU | 0x0, "pmu-nc", NULL),
632 MPP_FUNCTION(CONFIG_PMU | 0x1, "pmu-low", NULL),
633 MPP_FUNCTION(CONFIG_PMU | 0x2, "pmu-high", NULL),
634 MPP_FUNCTION(CONFIG_PMU | 0x3, "pmic", "sdi"),
635 MPP_FUNCTION(CONFIG_PMU | 0x4, "cpu-pwr-down", NULL),
636 MPP_FUNCTION(CONFIG_PMU | 0x5, "standby-pwr-down", NULL),
637 MPP_FUNCTION(CONFIG_PMU | 0x8, "cpu-pwr-good", NULL),
638 MPP_FUNCTION(CONFIG_PMU | 0xa, "bat-fault", NULL),
639 MPP_FUNCTION(CONFIG_PMU | 0xb, "ext0-wakeup", NULL),
640 MPP_FUNCTION(CONFIG_PMU | 0xc, "ext1-wakeup", NULL),
641 MPP_FUNCTION(CONFIG_PMU | 0xd, "ext2-wakeup", NULL),
642 MPP_FUNCTION(CONFIG_PMU | 0xe, "pmu-blink", NULL)),
643 MPP_MODE(16,
644 MPP_FUNCTION(0x00, "gpio", NULL),
645 MPP_FUNCTION(0x02, "uart3", "rts"),
646 MPP_FUNCTION(0x03, "sdio0", "cd"),
647 MPP_FUNCTION(0x04, "lcd-spi", "cs1"),
648 MPP_FUNCTION(0x05, "ac97", "sdi1")),
649 MPP_MODE(17,
650 MPP_FUNCTION(0x00, "gpio", NULL),
651 MPP_FUNCTION(0x01, "ac97-1", "sysclko"),
652 MPP_FUNCTION(0x02, "uart3", "cts"),
653 MPP_FUNCTION(0x03, "sdio0", "wp"),
654 MPP_FUNCTION(0x04, "twsi", "sda"),
655 MPP_FUNCTION(0x05, "ac97", "sdi2")),
656 MPP_MODE(18,
657 MPP_FUNCTION(0x00, "gpio", NULL),
658 MPP_FUNCTION(0x02, "uart3", "txd"),
659 MPP_FUNCTION(0x03, "sdio0", "buspwr"),
660 MPP_FUNCTION(0x04, "lcd0", "pwm"),
661 MPP_FUNCTION(0x05, "ac97", "sdi3")),
662 MPP_MODE(19,
663 MPP_FUNCTION(0x00, "gpio", NULL),
664 MPP_FUNCTION(0x02, "uart3", "rxd"),
665 MPP_FUNCTION(0x03, "sdio0", "ledctrl"),
666 MPP_FUNCTION(0x04, "twsi", "sck")),
667 MPP_MODE(20,
668 MPP_FUNCTION(0x00, "gpio", NULL),
669 MPP_FUNCTION(0x01, "ac97", "sysclko"),
670 MPP_FUNCTION(0x02, "lcd-spi", "miso"),
671 MPP_FUNCTION(0x03, "sdio1", "cd"),
672 MPP_FUNCTION(0x05, "sdio0", "cd"),
673 MPP_FUNCTION(0x06, "spi1", "miso")),
674 MPP_MODE(21,
675 MPP_FUNCTION(0x00, "gpio", NULL),
676 MPP_FUNCTION(0x01, "uart1", "rts"),
677 MPP_FUNCTION(0x02, "lcd-spi", "cs0"),
678 MPP_FUNCTION(0x03, "sdio1", "wp"),
679 MPP_FUNCTION(0x04, "ssp", "sfrm"),
680 MPP_FUNCTION(0x05, "sdio0", "wp"),
681 MPP_FUNCTION(0x06, "spi1", "cs")),
682 MPP_MODE(22,
683 MPP_FUNCTION(0x00, "gpio", NULL),
684 MPP_FUNCTION(0x01, "uart1", "cts"),
685 MPP_FUNCTION(0x02, "lcd-spi", "mosi"),
686 MPP_FUNCTION(0x03, "sdio1", "buspwr"),
687 MPP_FUNCTION(0x04, "ssp", "txd"),
688 MPP_FUNCTION(0x05, "sdio0", "buspwr"),
689 MPP_FUNCTION(0x06, "spi1", "mosi")),
690 MPP_MODE(23,
691 MPP_FUNCTION(0x00, "gpio", NULL),
692 MPP_FUNCTION(0x02, "lcd-spi", "sck"),
693 MPP_FUNCTION(0x03, "sdio1", "ledctrl"),
694 MPP_FUNCTION(0x04, "ssp", "sclk"),
695 MPP_FUNCTION(0x05, "sdio0", "ledctrl"),
696 MPP_FUNCTION(0x06, "spi1", "sck")),
697 MPP_MODE(24,
698 MPP_FUNCTION(0x00, "camera", NULL),
699 MPP_FUNCTION(0x01, "gpio", NULL)),
700 MPP_MODE(40,
701 MPP_FUNCTION(0x00, "sdio0", NULL),
702 MPP_FUNCTION(0x01, "gpio", NULL)),
703 MPP_MODE(46,
704 MPP_FUNCTION(0x00, "sdio1", NULL),
705 MPP_FUNCTION(0x01, "gpio", NULL)),
706 MPP_MODE(52,
707 MPP_FUNCTION(0x00, "i2s1/spdifo", NULL),
708 MPP_FUNCTION(0x02, "i2s1", NULL),
709 MPP_FUNCTION(0x08, "spdifo", NULL),
710 MPP_FUNCTION(0x0a, "gpio", NULL),
711 MPP_FUNCTION(0x0b, "twsi", NULL),
712 MPP_FUNCTION(0x0c, "ssp/spdifo", NULL),
713 MPP_FUNCTION(0x0e, "ssp", NULL),
714 MPP_FUNCTION(0x0f, "ssp/twsi", NULL)),
715 MPP_MODE(58,
716 MPP_FUNCTION(0x00, "spi0", NULL),
717 MPP_FUNCTION(0x01, "gpio", NULL)),
718 MPP_MODE(62,
719 MPP_FUNCTION(0x00, "uart1", NULL),
720 MPP_FUNCTION(0x01, "gpio", NULL)),
721 MPP_MODE(64,
722 MPP_FUNCTION(0x00, "nand", NULL),
723 MPP_FUNCTION(0x01, "gpo", NULL)),
724 MPP_MODE(72,
725 MPP_FUNCTION(0x00, "i2s", NULL),
726 MPP_FUNCTION(0x01, "ac97", NULL)),
727 MPP_MODE(73,
728 MPP_FUNCTION(0x00, "twsi-none", NULL),
729 MPP_FUNCTION(0x01, "twsi-opt1", NULL),
730 MPP_FUNCTION(0x02, "twsi-opt2", NULL),
731 MPP_FUNCTION(0x03, "twsi-opt3", NULL)),
732};
733
734static struct pinctrl_gpio_range dove_mpp_gpio_ranges[] = {
735 MPP_GPIO_RANGE(0, 0, 0, 32),
736 MPP_GPIO_RANGE(1, 32, 32, 32),
737 MPP_GPIO_RANGE(2, 64, 64, 8),
738};
739
740static struct mvebu_pinctrl_soc_info dove_pinctrl_info = {
741 .controls = dove_mpp_controls,
742 .ncontrols = ARRAY_SIZE(dove_mpp_controls),
743 .modes = dove_mpp_modes,
744 .nmodes = ARRAY_SIZE(dove_mpp_modes),
745 .gpioranges = dove_mpp_gpio_ranges,
746 .ngpioranges = ARRAY_SIZE(dove_mpp_gpio_ranges),
747 .variant = 0,
748};
749
750static struct clk *clk;
751
752static const struct of_device_id dove_pinctrl_of_match[] = {
753 { .compatible = "marvell,dove-pinctrl", .data = &dove_pinctrl_info },
754 { }
755};
756
757static const struct regmap_config gc_regmap_config = {
758 .reg_bits = 32,
759 .val_bits = 32,
760 .reg_stride = 4,
761 .max_register = 5,
762};
763
764static int dove_pinctrl_probe(struct platform_device *pdev)
765{
766 struct resource *res, *mpp_res;
767 struct resource fb_res;
768 const struct of_device_id *match =
769 of_match_device(dove_pinctrl_of_match, &pdev->dev);
770 struct mvebu_mpp_ctrl_data *mpp_data;
771 void __iomem *base;
772 int i;
773
774 pdev->dev.platform_data = (void *)match->data;
775
776
777
778
779
780 clk = devm_clk_get(&pdev->dev, NULL);
781 if (IS_ERR(clk)) {
782 dev_err(&pdev->dev, "Unable to get pdma clock");
783 return PTR_ERR(clk);
784 }
785 clk_prepare_enable(clk);
786
787 mpp_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
788 base = devm_ioremap_resource(&pdev->dev, mpp_res);
789 if (IS_ERR(base))
790 return PTR_ERR(base);
791
792 mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols,
793 sizeof(*mpp_data), GFP_KERNEL);
794 if (!mpp_data)
795 return -ENOMEM;
796
797 dove_pinctrl_info.control_data = mpp_data;
798 for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++)
799 mpp_data[i].base = base;
800
801
802 memcpy(&fb_res, mpp_res, sizeof(struct resource));
803 fb_res.start = 0;
804
805 res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
806 if (!res) {
807 dev_warn(&pdev->dev, "falling back to hardcoded MPP4 resource\n");
808 adjust_resource(&fb_res,
809 (mpp_res->start & INT_REGS_MASK) + MPP4_REGS_OFFS, 0x4);
810 res = &fb_res;
811 }
812
813 mpp4_base = devm_ioremap_resource(&pdev->dev, res);
814 if (IS_ERR(mpp4_base))
815 return PTR_ERR(mpp4_base);
816
817 res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
818 if (!res) {
819 dev_warn(&pdev->dev, "falling back to hardcoded PMU resource\n");
820 adjust_resource(&fb_res,
821 (mpp_res->start & INT_REGS_MASK) + PMU_REGS_OFFS, 0x8);
822 res = &fb_res;
823 }
824
825 pmu_base = devm_ioremap_resource(&pdev->dev, res);
826 if (IS_ERR(pmu_base))
827 return PTR_ERR(pmu_base);
828
829 gconfmap = syscon_regmap_lookup_by_compatible("marvell,dove-global-config");
830 if (IS_ERR(gconfmap)) {
831 void __iomem *gc_base;
832
833 dev_warn(&pdev->dev, "falling back to hardcoded global registers\n");
834 adjust_resource(&fb_res,
835 (mpp_res->start & INT_REGS_MASK) + GC_REGS_OFFS, 0x14);
836 gc_base = devm_ioremap_resource(&pdev->dev, &fb_res);
837 if (IS_ERR(gc_base))
838 return PTR_ERR(gc_base);
839 gconfmap = devm_regmap_init_mmio(&pdev->dev,
840 gc_base, &gc_regmap_config);
841 if (IS_ERR(gconfmap))
842 return PTR_ERR(gconfmap);
843 }
844
845
846 if (fb_res.start)
847 dev_warn(&pdev->dev, FW_BUG "Missing pinctrl regs in DTB. Please update your firmware.\n");
848
849 return mvebu_pinctrl_probe(pdev);
850}
851
852static struct platform_driver dove_pinctrl_driver = {
853 .driver = {
854 .name = "dove-pinctrl",
855 .suppress_bind_attrs = true,
856 .of_match_table = dove_pinctrl_of_match,
857 },
858 .probe = dove_pinctrl_probe,
859};
860builtin_platform_driver(dove_pinctrl_driver);
861
