ARM: shmobile: r8a7790: Add CMT devices to DT
[deliverable/linux.git] / arch / arm / mach-davinci / board-dm646x-evm.c
1 /*
2 * TI DaVinci DM646X EVM board
3 *
4 * Derived from: arch/arm/mach-davinci/board-evm.c
5 * Copyright (C) 2006 Texas Instruments.
6 *
7 * (C) 2007-2008, MontaVista Software, Inc.
8 *
9 * This file is licensed under the terms of the GNU General Public License
10 * version 2. This program is licensed "as is" without any warranty of any
11 * kind, whether express or implied.
12 *
13 */
14
15 /**************************************************************************
16 * Included Files
17 **************************************************************************/
18
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/leds.h>
22 #include <linux/gpio.h>
23 #include <linux/platform_device.h>
24 #include <linux/i2c.h>
25 #include <linux/platform_data/at24.h>
26 #include <linux/i2c/pcf857x.h>
27
28 #include <media/tvp514x.h>
29 #include <media/adv7343.h>
30
31 #include <linux/mtd/mtd.h>
32 #include <linux/mtd/nand.h>
33 #include <linux/mtd/partitions.h>
34 #include <linux/clk.h>
35 #include <linux/export.h>
36 #include <linux/platform_data/gpio-davinci.h>
37 #include <linux/platform_data/i2c-davinci.h>
38 #include <linux/platform_data/mtd-davinci.h>
39 #include <linux/platform_data/mtd-davinci-aemif.h>
40
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43
44 #include <mach/common.h>
45 #include <mach/irqs.h>
46 #include <mach/serial.h>
47 #include <mach/clock.h>
48 #include <mach/cdce949.h>
49
50 #include "davinci.h"
51 #include "clock.h"
52
53 #define NAND_BLOCK_SIZE SZ_128K
54
55 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
56 * and U-Boot environment this avoids dependency on any particular combination
57 * of UBL, U-Boot or flashing tools etc.
58 */
59 static struct mtd_partition davinci_nand_partitions[] = {
60 {
61 /* UBL, U-Boot with environment */
62 .name = "bootloader",
63 .offset = MTDPART_OFS_APPEND,
64 .size = 16 * NAND_BLOCK_SIZE,
65 .mask_flags = MTD_WRITEABLE, /* force read-only */
66 }, {
67 .name = "kernel",
68 .offset = MTDPART_OFS_APPEND,
69 .size = SZ_4M,
70 .mask_flags = 0,
71 }, {
72 .name = "filesystem",
73 .offset = MTDPART_OFS_APPEND,
74 .size = MTDPART_SIZ_FULL,
75 .mask_flags = 0,
76 }
77 };
78
79 static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
80 .wsetup = 29,
81 .wstrobe = 24,
82 .whold = 14,
83 .rsetup = 19,
84 .rstrobe = 33,
85 .rhold = 0,
86 .ta = 29,
87 };
88
89 static struct davinci_nand_pdata davinci_nand_data = {
90 .mask_cle = 0x80000,
91 .mask_ale = 0x40000,
92 .parts = davinci_nand_partitions,
93 .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
94 .ecc_mode = NAND_ECC_HW,
95 .ecc_bits = 1,
96 .options = 0,
97 };
98
99 static struct resource davinci_nand_resources[] = {
100 {
101 .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
102 .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
103 .flags = IORESOURCE_MEM,
104 }, {
105 .start = DM646X_ASYNC_EMIF_CONTROL_BASE,
106 .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
107 .flags = IORESOURCE_MEM,
108 },
109 };
110
111 static struct platform_device davinci_nand_device = {
112 .name = "davinci_nand",
113 .id = 0,
114
115 .num_resources = ARRAY_SIZE(davinci_nand_resources),
116 .resource = davinci_nand_resources,
117
118 .dev = {
119 .platform_data = &davinci_nand_data,
120 },
121 };
122
123 #define HAS_ATA IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
124
125 /* CPLD Register 0 bits to control ATA */
126 #define DM646X_EVM_ATA_RST BIT(0)
127 #define DM646X_EVM_ATA_PWD BIT(1)
128
129 /* CPLD Register 0 Client: used for I/O Control */
130 static int cpld_reg0_probe(struct i2c_client *client,
131 const struct i2c_device_id *id)
132 {
133 if (HAS_ATA) {
134 u8 data;
135 struct i2c_msg msg[2] = {
136 {
137 .addr = client->addr,
138 .flags = I2C_M_RD,
139 .len = 1,
140 .buf = &data,
141 },
142 {
143 .addr = client->addr,
144 .flags = 0,
145 .len = 1,
146 .buf = &data,
147 },
148 };
149
150 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
151 i2c_transfer(client->adapter, msg, 1);
152 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
153 i2c_transfer(client->adapter, msg + 1, 1);
154 }
155
156 return 0;
157 }
158
159 static const struct i2c_device_id cpld_reg_ids[] = {
160 { "cpld_reg0", 0, },
161 { },
162 };
163
164 static struct i2c_driver dm6467evm_cpld_driver = {
165 .driver.name = "cpld_reg0",
166 .id_table = cpld_reg_ids,
167 .probe = cpld_reg0_probe,
168 };
169
170 /* LEDS */
171
172 static struct gpio_led evm_leds[] = {
173 { .name = "DS1", .active_low = 1, },
174 { .name = "DS2", .active_low = 1, },
175 { .name = "DS3", .active_low = 1, },
176 { .name = "DS4", .active_low = 1, },
177 };
178
179 static const struct gpio_led_platform_data evm_led_data = {
180 .num_leds = ARRAY_SIZE(evm_leds),
181 .leds = evm_leds,
182 };
183
184 static struct platform_device *evm_led_dev;
185
186 static int evm_led_setup(struct i2c_client *client, int gpio,
187 unsigned int ngpio, void *c)
188 {
189 struct gpio_led *leds = evm_leds;
190 int status;
191
192 while (ngpio--) {
193 leds->gpio = gpio++;
194 leds++;
195 }
196
197 evm_led_dev = platform_device_alloc("leds-gpio", 0);
198 platform_device_add_data(evm_led_dev, &evm_led_data,
199 sizeof(evm_led_data));
200
201 evm_led_dev->dev.parent = &client->dev;
202 status = platform_device_add(evm_led_dev);
203 if (status < 0) {
204 platform_device_put(evm_led_dev);
205 evm_led_dev = NULL;
206 }
207 return status;
208 }
209
210 static int evm_led_teardown(struct i2c_client *client, int gpio,
211 unsigned ngpio, void *c)
212 {
213 if (evm_led_dev) {
214 platform_device_unregister(evm_led_dev);
215 evm_led_dev = NULL;
216 }
217 return 0;
218 }
219
220 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
221
222 static int evm_sw_setup(struct i2c_client *client, int gpio,
223 unsigned ngpio, void *c)
224 {
225 int status;
226 int i;
227 char label[10];
228
229 for (i = 0; i < 4; ++i) {
230 snprintf(label, 10, "user_sw%d", i);
231 status = gpio_request(gpio, label);
232 if (status)
233 goto out_free;
234 evm_sw_gpio[i] = gpio++;
235
236 status = gpio_direction_input(evm_sw_gpio[i]);
237 if (status) {
238 gpio_free(evm_sw_gpio[i]);
239 evm_sw_gpio[i] = -EINVAL;
240 goto out_free;
241 }
242
243 status = gpio_export(evm_sw_gpio[i], 0);
244 if (status) {
245 gpio_free(evm_sw_gpio[i]);
246 evm_sw_gpio[i] = -EINVAL;
247 goto out_free;
248 }
249 }
250 return status;
251 out_free:
252 for (i = 0; i < 4; ++i) {
253 if (evm_sw_gpio[i] != -EINVAL) {
254 gpio_free(evm_sw_gpio[i]);
255 evm_sw_gpio[i] = -EINVAL;
256 }
257 }
258 return status;
259 }
260
261 static int evm_sw_teardown(struct i2c_client *client, int gpio,
262 unsigned ngpio, void *c)
263 {
264 int i;
265
266 for (i = 0; i < 4; ++i) {
267 if (evm_sw_gpio[i] != -EINVAL) {
268 gpio_unexport(evm_sw_gpio[i]);
269 gpio_free(evm_sw_gpio[i]);
270 evm_sw_gpio[i] = -EINVAL;
271 }
272 }
273 return 0;
274 }
275
276 static int evm_pcf_setup(struct i2c_client *client, int gpio,
277 unsigned int ngpio, void *c)
278 {
279 int status;
280
281 if (ngpio < 8)
282 return -EINVAL;
283
284 status = evm_sw_setup(client, gpio, 4, c);
285 if (status)
286 return status;
287
288 return evm_led_setup(client, gpio+4, 4, c);
289 }
290
291 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
292 unsigned int ngpio, void *c)
293 {
294 BUG_ON(ngpio < 8);
295
296 evm_sw_teardown(client, gpio, 4, c);
297 evm_led_teardown(client, gpio+4, 4, c);
298
299 return 0;
300 }
301
302 static struct pcf857x_platform_data pcf_data = {
303 .gpio_base = DAVINCI_N_GPIO+1,
304 .setup = evm_pcf_setup,
305 .teardown = evm_pcf_teardown,
306 };
307
308 /* Most of this EEPROM is unused, but U-Boot uses some data:
309 * - 0x7f00, 6 bytes Ethernet Address
310 * - ... newer boards may have more
311 */
312
313 static struct at24_platform_data eeprom_info = {
314 .byte_len = (256*1024) / 8,
315 .page_size = 64,
316 .flags = AT24_FLAG_ADDR16,
317 .setup = davinci_get_mac_addr,
318 .context = (void *)0x7f00,
319 };
320
321 static u8 dm646x_iis_serializer_direction[] = {
322 TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
323 };
324
325 static u8 dm646x_dit_serializer_direction[] = {
326 TX_MODE,
327 };
328
329 static struct snd_platform_data dm646x_evm_snd_data[] = {
330 {
331 .tx_dma_offset = 0x400,
332 .rx_dma_offset = 0x400,
333 .op_mode = DAVINCI_MCASP_IIS_MODE,
334 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
335 .tdm_slots = 2,
336 .serial_dir = dm646x_iis_serializer_direction,
337 .asp_chan_q = EVENTQ_0,
338 },
339 {
340 .tx_dma_offset = 0x400,
341 .rx_dma_offset = 0,
342 .op_mode = DAVINCI_MCASP_DIT_MODE,
343 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
344 .tdm_slots = 32,
345 .serial_dir = dm646x_dit_serializer_direction,
346 .asp_chan_q = EVENTQ_0,
347 },
348 };
349
350 static struct i2c_client *cpld_client;
351
352 static int cpld_video_probe(struct i2c_client *client,
353 const struct i2c_device_id *id)
354 {
355 cpld_client = client;
356 return 0;
357 }
358
359 static int cpld_video_remove(struct i2c_client *client)
360 {
361 cpld_client = NULL;
362 return 0;
363 }
364
365 static const struct i2c_device_id cpld_video_id[] = {
366 { "cpld_video", 0 },
367 { }
368 };
369
370 static struct i2c_driver cpld_video_driver = {
371 .driver = {
372 .name = "cpld_video",
373 },
374 .probe = cpld_video_probe,
375 .remove = cpld_video_remove,
376 .id_table = cpld_video_id,
377 };
378
379 static void evm_init_cpld(void)
380 {
381 i2c_add_driver(&cpld_video_driver);
382 }
383
384 static struct i2c_board_info __initdata i2c_info[] = {
385 {
386 I2C_BOARD_INFO("24c256", 0x50),
387 .platform_data = &eeprom_info,
388 },
389 {
390 I2C_BOARD_INFO("pcf8574a", 0x38),
391 .platform_data = &pcf_data,
392 },
393 {
394 I2C_BOARD_INFO("cpld_reg0", 0x3a),
395 },
396 {
397 I2C_BOARD_INFO("tlv320aic33", 0x18),
398 },
399 {
400 I2C_BOARD_INFO("cpld_video", 0x3b),
401 },
402 {
403 I2C_BOARD_INFO("cdce949", 0x6c),
404 },
405 };
406
407 static struct davinci_i2c_platform_data i2c_pdata = {
408 .bus_freq = 100 /* kHz */,
409 .bus_delay = 0 /* usec */,
410 };
411
412 #define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
413 #define VCH2CLK_SYSCLK8 (BIT(9))
414 #define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
415 #define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
416 #define VCH3CLK_SYSCLK8 (BIT(13))
417 #define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
418
419 #define VIDCH2CLK (BIT(10))
420 #define VIDCH3CLK (BIT(11))
421 #define VIDCH1CLK (BIT(4))
422 #define TVP7002_INPUT (BIT(4))
423 #define TVP5147_INPUT (~BIT(4))
424 #define VPIF_INPUT_ONE_CHANNEL (BIT(5))
425 #define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
426 #define TVP5147_CH0 "tvp514x-0"
427 #define TVP5147_CH1 "tvp514x-1"
428
429 /* spin lock for updating above registers */
430 static spinlock_t vpif_reg_lock;
431
432 static int set_vpif_clock(int mux_mode, int hd)
433 {
434 unsigned long flags;
435 unsigned int value;
436 int val = 0;
437 int err = 0;
438
439 if (!cpld_client)
440 return -ENXIO;
441
442 /* disable the clock */
443 spin_lock_irqsave(&vpif_reg_lock, flags);
444 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
445 value |= (VIDCH3CLK | VIDCH2CLK);
446 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
447 spin_unlock_irqrestore(&vpif_reg_lock, flags);
448
449 val = i2c_smbus_read_byte(cpld_client);
450 if (val < 0)
451 return val;
452
453 if (mux_mode == 1)
454 val &= ~0x40;
455 else
456 val |= 0x40;
457
458 err = i2c_smbus_write_byte(cpld_client, val);
459 if (err)
460 return err;
461
462 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
463 value &= ~(VCH2CLK_MASK);
464 value &= ~(VCH3CLK_MASK);
465
466 if (hd >= 1)
467 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
468 else
469 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
470
471 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
472
473 spin_lock_irqsave(&vpif_reg_lock, flags);
474 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
475 /* enable the clock */
476 value &= ~(VIDCH3CLK | VIDCH2CLK);
477 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
478 spin_unlock_irqrestore(&vpif_reg_lock, flags);
479
480 return 0;
481 }
482
483 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
484 {
485 .name = "adv7343",
486 .board_info = {
487 I2C_BOARD_INFO("adv7343", 0x2a),
488 },
489 },
490 {
491 .name = "ths7303",
492 .board_info = {
493 I2C_BOARD_INFO("ths7303", 0x2c),
494 },
495 },
496 };
497
498 static const struct vpif_output dm6467_ch0_outputs[] = {
499 {
500 .output = {
501 .index = 0,
502 .name = "Composite",
503 .type = V4L2_OUTPUT_TYPE_ANALOG,
504 .capabilities = V4L2_OUT_CAP_STD,
505 .std = V4L2_STD_ALL,
506 },
507 .subdev_name = "adv7343",
508 .output_route = ADV7343_COMPOSITE_ID,
509 },
510 {
511 .output = {
512 .index = 1,
513 .name = "Component",
514 .type = V4L2_OUTPUT_TYPE_ANALOG,
515 .capabilities = V4L2_OUT_CAP_DV_TIMINGS,
516 },
517 .subdev_name = "adv7343",
518 .output_route = ADV7343_COMPONENT_ID,
519 },
520 {
521 .output = {
522 .index = 2,
523 .name = "S-Video",
524 .type = V4L2_OUTPUT_TYPE_ANALOG,
525 .capabilities = V4L2_OUT_CAP_STD,
526 .std = V4L2_STD_ALL,
527 },
528 .subdev_name = "adv7343",
529 .output_route = ADV7343_SVIDEO_ID,
530 },
531 };
532
533 static struct vpif_display_config dm646x_vpif_display_config = {
534 .set_clock = set_vpif_clock,
535 .subdevinfo = dm646x_vpif_subdev,
536 .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
537 .chan_config[0] = {
538 .outputs = dm6467_ch0_outputs,
539 .output_count = ARRAY_SIZE(dm6467_ch0_outputs),
540 },
541 .card_name = "DM646x EVM",
542 };
543
544 /**
545 * setup_vpif_input_path()
546 * @channel: channel id (0 - CH0, 1 - CH1)
547 * @sub_dev_name: ptr sub device name
548 *
549 * This will set vpif input to capture data from tvp514x or
550 * tvp7002.
551 */
552 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
553 {
554 int err = 0;
555 int val;
556
557 /* for channel 1, we don't do anything */
558 if (channel != 0)
559 return 0;
560
561 if (!cpld_client)
562 return -ENXIO;
563
564 val = i2c_smbus_read_byte(cpld_client);
565 if (val < 0)
566 return val;
567
568 if (!strcmp(sub_dev_name, TVP5147_CH0) ||
569 !strcmp(sub_dev_name, TVP5147_CH1))
570 val &= TVP5147_INPUT;
571 else
572 val |= TVP7002_INPUT;
573
574 err = i2c_smbus_write_byte(cpld_client, val);
575 if (err)
576 return err;
577 return 0;
578 }
579
580 /**
581 * setup_vpif_input_channel_mode()
582 * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
583 *
584 * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
585 */
586 static int setup_vpif_input_channel_mode(int mux_mode)
587 {
588 unsigned long flags;
589 int err = 0;
590 int val;
591 u32 value;
592
593 if (!cpld_client)
594 return -ENXIO;
595
596 val = i2c_smbus_read_byte(cpld_client);
597 if (val < 0)
598 return val;
599
600 spin_lock_irqsave(&vpif_reg_lock, flags);
601 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
602 if (mux_mode) {
603 val &= VPIF_INPUT_TWO_CHANNEL;
604 value |= VIDCH1CLK;
605 } else {
606 val |= VPIF_INPUT_ONE_CHANNEL;
607 value &= ~VIDCH1CLK;
608 }
609 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
610 spin_unlock_irqrestore(&vpif_reg_lock, flags);
611
612 err = i2c_smbus_write_byte(cpld_client, val);
613 if (err)
614 return err;
615
616 return 0;
617 }
618
619 static struct tvp514x_platform_data tvp5146_pdata = {
620 .clk_polarity = 0,
621 .hs_polarity = 1,
622 .vs_polarity = 1
623 };
624
625 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
626
627 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
628 {
629 .name = TVP5147_CH0,
630 .board_info = {
631 I2C_BOARD_INFO("tvp5146", 0x5d),
632 .platform_data = &tvp5146_pdata,
633 },
634 },
635 {
636 .name = TVP5147_CH1,
637 .board_info = {
638 I2C_BOARD_INFO("tvp5146", 0x5c),
639 .platform_data = &tvp5146_pdata,
640 },
641 },
642 };
643
644 static const struct vpif_input dm6467_ch0_inputs[] = {
645 {
646 .input = {
647 .index = 0,
648 .name = "Composite",
649 .type = V4L2_INPUT_TYPE_CAMERA,
650 .capabilities = V4L2_IN_CAP_STD,
651 .std = TVP514X_STD_ALL,
652 },
653 .subdev_name = TVP5147_CH0,
654 .input_route = INPUT_CVBS_VI2B,
655 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
656 },
657 };
658
659 static const struct vpif_input dm6467_ch1_inputs[] = {
660 {
661 .input = {
662 .index = 0,
663 .name = "S-Video",
664 .type = V4L2_INPUT_TYPE_CAMERA,
665 .capabilities = V4L2_IN_CAP_STD,
666 .std = TVP514X_STD_ALL,
667 },
668 .subdev_name = TVP5147_CH1,
669 .input_route = INPUT_SVIDEO_VI2C_VI1C,
670 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
671 },
672 };
673
674 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
675 .setup_input_path = setup_vpif_input_path,
676 .setup_input_channel_mode = setup_vpif_input_channel_mode,
677 .subdev_info = vpif_capture_sdev_info,
678 .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
679 .chan_config[0] = {
680 .inputs = dm6467_ch0_inputs,
681 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
682 .vpif_if = {
683 .if_type = VPIF_IF_BT656,
684 .hd_pol = 1,
685 .vd_pol = 1,
686 .fid_pol = 0,
687 },
688 },
689 .chan_config[1] = {
690 .inputs = dm6467_ch1_inputs,
691 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
692 .vpif_if = {
693 .if_type = VPIF_IF_BT656,
694 .hd_pol = 1,
695 .vd_pol = 1,
696 .fid_pol = 0,
697 },
698 },
699 };
700
701 static void __init evm_init_video(void)
702 {
703 spin_lock_init(&vpif_reg_lock);
704
705 dm646x_setup_vpif(&dm646x_vpif_display_config,
706 &dm646x_vpif_capture_cfg);
707 }
708
709 static void __init evm_init_i2c(void)
710 {
711 davinci_init_i2c(&i2c_pdata);
712 i2c_add_driver(&dm6467evm_cpld_driver);
713 i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
714 evm_init_cpld();
715 evm_init_video();
716 }
717
718 #define CDCE949_XIN_RATE 27000000
719
720 /* CDCE949 support - "lpsc" field is overridden to work as clock number */
721 static struct clk cdce_clk_in = {
722 .name = "cdce_xin",
723 .rate = CDCE949_XIN_RATE,
724 };
725
726 static struct clk_lookup cdce_clks[] = {
727 CLK(NULL, "xin", &cdce_clk_in),
728 CLK(NULL, NULL, NULL),
729 };
730
731 static void __init cdce_clk_init(void)
732 {
733 struct clk_lookup *c;
734 struct clk *clk;
735
736 for (c = cdce_clks; c->clk; c++) {
737 clk = c->clk;
738 clkdev_add(c);
739 clk_register(clk);
740 }
741 }
742
743 #define DM6467T_EVM_REF_FREQ 33000000
744
745 static void __init davinci_map_io(void)
746 {
747 dm646x_init();
748
749 if (machine_is_davinci_dm6467tevm())
750 davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
751
752 cdce_clk_init();
753 }
754
755 #define DM646X_EVM_PHY_ID "davinci_mdio-0:01"
756 /*
757 * The following EDMA channels/slots are not being used by drivers (for
758 * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
759 * reserved for codecs on the DSP side.
760 */
761 static const s16 dm646x_dma_rsv_chans[][2] = {
762 /* (offset, number) */
763 { 0, 4},
764 {13, 3},
765 {24, 4},
766 {30, 2},
767 {54, 3},
768 {-1, -1}
769 };
770
771 static const s16 dm646x_dma_rsv_slots[][2] = {
772 /* (offset, number) */
773 { 0, 4},
774 {13, 3},
775 {24, 4},
776 {30, 2},
777 {54, 3},
778 {128, 384},
779 {-1, -1}
780 };
781
782 static struct edma_rsv_info dm646x_edma_rsv[] = {
783 {
784 .rsv_chans = dm646x_dma_rsv_chans,
785 .rsv_slots = dm646x_dma_rsv_slots,
786 },
787 };
788
789 static __init void evm_init(void)
790 {
791 int ret;
792 struct davinci_soc_info *soc_info = &davinci_soc_info;
793
794 ret = dm646x_gpio_register();
795 if (ret)
796 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
797
798 evm_init_i2c();
799 davinci_serial_init(dm646x_serial_device);
800 dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
801 dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
802
803 if (machine_is_davinci_dm6467tevm())
804 davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
805
806 platform_device_register(&davinci_nand_device);
807
808 if (davinci_aemif_setup(&davinci_nand_device))
809 pr_warn("%s: Cannot configure AEMIF.\n", __func__);
810
811 dm646x_init_edma(dm646x_edma_rsv);
812
813 if (HAS_ATA)
814 davinci_init_ide();
815
816 soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
817 }
818
819 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
820 .atag_offset = 0x100,
821 .map_io = davinci_map_io,
822 .init_irq = davinci_irq_init,
823 .init_time = davinci_timer_init,
824 .init_machine = evm_init,
825 .init_late = davinci_init_late,
826 .dma_zone_size = SZ_128M,
827 .restart = davinci_restart,
828 MACHINE_END
829
830 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
831 .atag_offset = 0x100,
832 .map_io = davinci_map_io,
833 .init_irq = davinci_irq_init,
834 .init_time = davinci_timer_init,
835 .init_machine = evm_init,
836 .init_late = davinci_init_late,
837 .dma_zone_size = SZ_128M,
838 .restart = davinci_restart,
839 MACHINE_END
840
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