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12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/console.h>
15#include <linux/interrupt.h>
16#include <linux/gpio.h>
17#include <linux/gpio/machine.h>
18#include <linux/platform_device.h>
19#include <linux/i2c.h>
20#include <linux/platform_data/pcf857x.h>
21#include <linux/property.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
24#include <linux/spi/spi.h>
25#include <linux/spi/flash.h>
26#include <linux/platform_data/gpio-davinci.h>
27#include <linux/platform_data/mtd-davinci.h>
28#include <linux/platform_data/mtd-davinci-aemif.h>
29#include <linux/platform_data/spi-davinci.h>
30#include <linux/platform_data/usb-davinci.h>
31#include <linux/platform_data/ti-aemif.h>
32#include <linux/regulator/fixed.h>
33#include <linux/regulator/machine.h>
34#include <linux/nvmem-provider.h>
35
36#include <asm/mach-types.h>
37#include <asm/mach/arch.h>
38
39#include <mach/common.h>
40#include <mach/mux.h>
41#include <mach/da8xx.h>
42
43#include "irqs.h"
44
45#define DA830_EVM_PHY_ID ""
46
47
48
49#define ON_BD_USB_DRV GPIO_TO_PIN(1, 15)
50#define ON_BD_USB_OVC GPIO_TO_PIN(2, 4)
51
52static const short da830_evm_usb11_pins[] = {
53 DA830_GPIO1_15, DA830_GPIO2_4,
54 -1
55};
56
57static struct regulator_consumer_supply da830_evm_usb_supplies[] = {
58 REGULATOR_SUPPLY("vbus", NULL),
59};
60
61static struct regulator_init_data da830_evm_usb_vbus_data = {
62 .consumer_supplies = da830_evm_usb_supplies,
63 .num_consumer_supplies = ARRAY_SIZE(da830_evm_usb_supplies),
64 .constraints = {
65 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
66 },
67};
68
69static struct fixed_voltage_config da830_evm_usb_vbus = {
70 .supply_name = "vbus",
71 .microvolts = 33000000,
72 .init_data = &da830_evm_usb_vbus_data,
73};
74
75static struct platform_device da830_evm_usb_vbus_device = {
76 .name = "reg-fixed-voltage",
77 .id = 0,
78 .dev = {
79 .platform_data = &da830_evm_usb_vbus,
80 },
81};
82
83static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup = {
84 .dev_id = "ohci-da8xx",
85 .table = {
86 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC, "oc", 0),
87 { }
88 },
89};
90
91static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup = {
92 .dev_id = "reg-fixed-voltage.0",
93 .table = {
94 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV, NULL, 0),
95 { }
96 },
97};
98
99static struct gpiod_lookup_table *da830_evm_usb_gpio_lookups[] = {
100 &da830_evm_usb_oc_gpio_lookup,
101 &da830_evm_usb_vbus_gpio_lookup,
102};
103
104static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
105
106 .potpgt = (3 + 1) / 2,
107};
108
109static __init void da830_evm_usb_init(void)
110{
111 int ret;
112
113 ret = da8xx_register_usb_phy_clocks();
114 if (ret)
115 pr_warn("%s: USB PHY CLK registration failed: %d\n",
116 __func__, ret);
117
118 gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups,
119 ARRAY_SIZE(da830_evm_usb_gpio_lookups));
120
121 ret = da8xx_register_usb_phy();
122 if (ret)
123 pr_warn("%s: USB PHY registration failed: %d\n",
124 __func__, ret);
125
126 ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
127 if (ret)
128 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
129 else {
130
131
132
133
134 ret = da8xx_register_usb20(1000, 3);
135 if (ret)
136 pr_warn("%s: USB 2.0 registration failed: %d\n",
137 __func__, ret);
138 }
139
140 ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
141 if (ret) {
142 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
143 return;
144 }
145
146 ret = platform_device_register(&da830_evm_usb_vbus_device);
147 if (ret) {
148 pr_warn("%s: Unable to register the vbus supply\n", __func__);
149 return;
150 }
151
152 ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
153 if (ret)
154 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
155}
156
157static const short da830_evm_mcasp1_pins[] = {
158 DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
159 DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
160 DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
161 DA830_AXR1_11,
162 -1
163};
164
165static u8 da830_iis_serializer_direction[] = {
166 RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
167 INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
168 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
169};
170
171static struct snd_platform_data da830_evm_snd_data = {
172 .tx_dma_offset = 0x2000,
173 .rx_dma_offset = 0x2000,
174 .op_mode = DAVINCI_MCASP_IIS_MODE,
175 .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
176 .tdm_slots = 2,
177 .serial_dir = da830_iis_serializer_direction,
178 .asp_chan_q = EVENTQ_0,
179 .version = MCASP_VERSION_2,
180 .txnumevt = 1,
181 .rxnumevt = 1,
182};
183
184
185
186
187static const short da830_evm_mmc_sd_pins[] = {
188 DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
189 DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
190 DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
191 DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2,
192 -1
193};
194
195#define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
196#define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2)
197
198static struct gpiod_lookup_table mmc_gpios_table = {
199 .dev_id = "da830-mmc.0",
200 .table = {
201
202 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN, "cd",
203 GPIO_ACTIVE_LOW),
204 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN, "wp",
205 GPIO_ACTIVE_LOW),
206 { }
207 },
208};
209
210static struct davinci_mmc_config da830_evm_mmc_config = {
211 .wires = 8,
212 .max_freq = 50000000,
213 .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
214};
215
216static inline void da830_evm_init_mmc(void)
217{
218 int ret;
219
220 ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
221 if (ret) {
222 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
223 return;
224 }
225
226 gpiod_add_lookup_table(&mmc_gpios_table);
227
228 ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
229 if (ret) {
230 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
231 gpiod_remove_lookup_table(&mmc_gpios_table);
232 }
233}
234
235#define HAS_MMC IS_ENABLED(CONFIG_MMC_DAVINCI)
236
237#ifdef CONFIG_DA830_UI_NAND
238static struct mtd_partition da830_evm_nand_partitions[] = {
239
240 [0] = {
241 .name = "bootloader",
242 .offset = 0,
243 .size = SZ_128K,
244 .mask_flags = MTD_WRITEABLE,
245 },
246
247 [1] = {
248 .name = "params",
249 .offset = MTDPART_OFS_APPEND,
250 .size = SZ_128K,
251 .mask_flags = MTD_WRITEABLE,
252 },
253
254 [2] = {
255 .name = "kernel",
256 .offset = MTDPART_OFS_APPEND,
257 .size = SZ_2M,
258 .mask_flags = 0,
259 },
260
261 [3] = {
262 .name = "filesystem",
263 .offset = MTDPART_OFS_APPEND,
264 .size = MTDPART_SIZ_FULL,
265 .mask_flags = 0,
266 }
267};
268
269
270static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
271static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
272
273static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
274 .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
275 NAND_BBT_WRITE | NAND_BBT_2BIT |
276 NAND_BBT_VERSION | NAND_BBT_PERCHIP,
277 .offs = 2,
278 .len = 4,
279 .veroffs = 16,
280 .maxblocks = 4,
281 .pattern = da830_evm_nand_bbt_pattern
282};
283
284static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
285 .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
286 NAND_BBT_WRITE | NAND_BBT_2BIT |
287 NAND_BBT_VERSION | NAND_BBT_PERCHIP,
288 .offs = 2,
289 .len = 4,
290 .veroffs = 16,
291 .maxblocks = 4,
292 .pattern = da830_evm_nand_mirror_pattern
293};
294
295static struct davinci_aemif_timing da830_evm_nandflash_timing = {
296 .wsetup = 24,
297 .wstrobe = 21,
298 .whold = 14,
299 .rsetup = 19,
300 .rstrobe = 50,
301 .rhold = 0,
302 .ta = 20,
303};
304
305static struct davinci_nand_pdata da830_evm_nand_pdata = {
306 .core_chipsel = 1,
307 .parts = da830_evm_nand_partitions,
308 .nr_parts = ARRAY_SIZE(da830_evm_nand_partitions),
309 .ecc_mode = NAND_ECC_HW,
310 .ecc_bits = 4,
311 .bbt_options = NAND_BBT_USE_FLASH,
312 .bbt_td = &da830_evm_nand_bbt_main_descr,
313 .bbt_md = &da830_evm_nand_bbt_mirror_descr,
314 .timing = &da830_evm_nandflash_timing,
315};
316
317static struct resource da830_evm_nand_resources[] = {
318 [0] = {
319 .start = DA8XX_AEMIF_CS3_BASE,
320 .end = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
321 .flags = IORESOURCE_MEM,
322 },
323 [1] = {
324 .start = DA8XX_AEMIF_CTL_BASE,
325 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
326 .flags = IORESOURCE_MEM,
327 },
328};
329
330static struct platform_device da830_evm_aemif_devices[] = {
331 {
332 .name = "davinci_nand",
333 .id = 1,
334 .dev = {
335 .platform_data = &da830_evm_nand_pdata,
336 },
337 .num_resources = ARRAY_SIZE(da830_evm_nand_resources),
338 .resource = da830_evm_nand_resources,
339 },
340};
341
342static struct resource da830_evm_aemif_resource[] = {
343 {
344 .start = DA8XX_AEMIF_CTL_BASE,
345 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
346 .flags = IORESOURCE_MEM,
347 },
348};
349
350static struct aemif_abus_data da830_evm_aemif_abus_data[] = {
351 {
352 .cs = 3,
353 },
354};
355
356static struct aemif_platform_data da830_evm_aemif_pdata = {
357 .abus_data = da830_evm_aemif_abus_data,
358 .num_abus_data = ARRAY_SIZE(da830_evm_aemif_abus_data),
359 .sub_devices = da830_evm_aemif_devices,
360 .num_sub_devices = ARRAY_SIZE(da830_evm_aemif_devices),
361 .cs_offset = 2,
362};
363
364static struct platform_device da830_evm_aemif_device = {
365 .name = "ti-aemif",
366 .id = -1,
367 .dev = {
368 .platform_data = &da830_evm_aemif_pdata,
369 },
370 .resource = da830_evm_aemif_resource,
371 .num_resources = ARRAY_SIZE(da830_evm_aemif_resource),
372};
373
374
375
376
377static const short da830_evm_emif25_pins[] = {
378 DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
379 DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
380 DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
381 DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
382 DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
383 DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
384 DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
385 -1
386};
387
388static inline void da830_evm_init_nand(int mux_mode)
389{
390 int ret;
391
392 if (HAS_MMC) {
393 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
394 "\tDisable MMC/SD for NAND support\n");
395 return;
396 }
397
398 ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
399 if (ret)
400 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
401
402 ret = platform_device_register(&da830_evm_aemif_device);
403 if (ret)
404 pr_warn("%s: AEMIF device not registered\n", __func__);
405
406 gpio_direction_output(mux_mode, 1);
407}
408#else
409static inline void da830_evm_init_nand(int mux_mode) { }
410#endif
411
412#ifdef CONFIG_DA830_UI_LCD
413static inline void da830_evm_init_lcdc(int mux_mode)
414{
415 int ret;
416
417 ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
418 if (ret)
419 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
420
421 ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
422 if (ret)
423 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
424
425 gpio_direction_output(mux_mode, 0);
426}
427#else
428static inline void da830_evm_init_lcdc(int mux_mode) { }
429#endif
430
431static struct nvmem_cell_info da830_evm_nvmem_cells[] = {
432 {
433 .name = "macaddr",
434 .offset = 0x7f00,
435 .bytes = ETH_ALEN,
436 }
437};
438
439static struct nvmem_cell_table da830_evm_nvmem_cell_table = {
440 .nvmem_name = "1-00500",
441 .cells = da830_evm_nvmem_cells,
442 .ncells = ARRAY_SIZE(da830_evm_nvmem_cells),
443};
444
445static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup = {
446 .nvmem_name = "1-00500",
447 .cell_name = "macaddr",
448 .dev_id = "davinci_emac.1",
449 .con_id = "mac-address",
450};
451
452static const struct property_entry da830_evm_i2c_eeprom_properties[] = {
453 PROPERTY_ENTRY_U32("pagesize", 64),
454 { }
455};
456
457static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
458 int gpio, unsigned ngpio, void *context)
459{
460 gpio_request(gpio + 6, "UI MUX_MODE");
461
462
463 gpio_direction_output(gpio + 6, 0);
464
465 da830_evm_init_lcdc(gpio + 6);
466
467 da830_evm_init_nand(gpio + 6);
468
469 return 0;
470}
471
472static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
473 unsigned ngpio, void *context)
474{
475 gpio_free(gpio + 6);
476 return 0;
477}
478
479static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
480 .gpio_base = DAVINCI_N_GPIO,
481 .setup = da830_evm_ui_expander_setup,
482 .teardown = da830_evm_ui_expander_teardown,
483};
484
485static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
486 {
487 I2C_BOARD_INFO("24c256", 0x50),
488 .properties = da830_evm_i2c_eeprom_properties,
489 },
490 {
491 I2C_BOARD_INFO("tlv320aic3x", 0x18),
492 },
493 {
494 I2C_BOARD_INFO("pcf8574", 0x3f),
495 .platform_data = &da830_evm_ui_expander_info,
496 },
497};
498
499static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
500 .bus_freq = 100,
501 .bus_delay = 0,
502};
503
504
505
506
507
508
509static const s16 da830_dma_rsv_chans[][2] = {
510
511 { 8, 2},
512 {12, 2},
513 {24, 4},
514 {30, 2},
515 {-1, -1}
516};
517
518static const s16 da830_dma_rsv_slots[][2] = {
519
520 { 8, 2},
521 {12, 2},
522 {24, 4},
523 {30, 26},
524 {-1, -1}
525};
526
527static struct edma_rsv_info da830_edma_rsv[] = {
528 {
529 .rsv_chans = da830_dma_rsv_chans,
530 .rsv_slots = da830_dma_rsv_slots,
531 },
532};
533
534static struct mtd_partition da830evm_spiflash_part[] = {
535 [0] = {
536 .name = "DSP-UBL",
537 .offset = 0,
538 .size = SZ_8K,
539 .mask_flags = MTD_WRITEABLE,
540 },
541 [1] = {
542 .name = "ARM-UBL",
543 .offset = MTDPART_OFS_APPEND,
544 .size = SZ_16K + SZ_8K,
545 .mask_flags = MTD_WRITEABLE,
546 },
547 [2] = {
548 .name = "U-Boot",
549 .offset = MTDPART_OFS_APPEND,
550 .size = SZ_256K - SZ_32K,
551 .mask_flags = MTD_WRITEABLE,
552 },
553 [3] = {
554 .name = "U-Boot-Environment",
555 .offset = MTDPART_OFS_APPEND,
556 .size = SZ_16K,
557 .mask_flags = 0,
558 },
559 [4] = {
560 .name = "Kernel",
561 .offset = MTDPART_OFS_APPEND,
562 .size = MTDPART_SIZ_FULL,
563 .mask_flags = 0,
564 },
565};
566
567static struct flash_platform_data da830evm_spiflash_data = {
568 .name = "m25p80",
569 .parts = da830evm_spiflash_part,
570 .nr_parts = ARRAY_SIZE(da830evm_spiflash_part),
571 .type = "w25x32",
572};
573
574static struct davinci_spi_config da830evm_spiflash_cfg = {
575 .io_type = SPI_IO_TYPE_DMA,
576 .c2tdelay = 8,
577 .t2cdelay = 8,
578};
579
580static struct spi_board_info da830evm_spi_info[] = {
581 {
582 .modalias = "m25p80",
583 .platform_data = &da830evm_spiflash_data,
584 .controller_data = &da830evm_spiflash_cfg,
585 .mode = SPI_MODE_0,
586 .max_speed_hz = 30000000,
587 .bus_num = 0,
588 .chip_select = 0,
589 },
590};
591
592static __init void da830_evm_init(void)
593{
594 struct davinci_soc_info *soc_info = &davinci_soc_info;
595 int ret;
596
597 da830_register_clocks();
598
599 ret = da830_register_gpio();
600 if (ret)
601 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
602
603 ret = da830_register_edma(da830_edma_rsv);
604 if (ret)
605 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
606
607 ret = davinci_cfg_reg_list(da830_i2c0_pins);
608 if (ret)
609 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
610
611 ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
612 if (ret)
613 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
614
615 da830_evm_usb_init();
616
617 soc_info->emac_pdata->rmii_en = 1;
618 soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
619
620 ret = davinci_cfg_reg_list(da830_cpgmac_pins);
621 if (ret)
622 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
623
624 ret = da8xx_register_emac();
625 if (ret)
626 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
627
628 ret = da8xx_register_watchdog();
629 if (ret)
630 pr_warn("%s: watchdog registration failed: %d\n",
631 __func__, ret);
632
633 davinci_serial_init(da8xx_serial_device);
634
635 nvmem_add_cell_table(&da830_evm_nvmem_cell_table);
636 nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup, 1);
637
638 i2c_register_board_info(1, da830_evm_i2c_devices,
639 ARRAY_SIZE(da830_evm_i2c_devices));
640
641 ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
642 if (ret)
643 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
644
645 da8xx_register_mcasp(1, &da830_evm_snd_data);
646
647 da830_evm_init_mmc();
648
649 ret = da8xx_register_rtc();
650 if (ret)
651 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
652
653 ret = spi_register_board_info(da830evm_spi_info,
654 ARRAY_SIZE(da830evm_spi_info));
655 if (ret)
656 pr_warn("%s: spi info registration failed: %d\n",
657 __func__, ret);
658
659 ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
660 if (ret)
661 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
662
663 regulator_has_full_constraints();
664}
665
666#ifdef CONFIG_SERIAL_8250_CONSOLE
667static int __init da830_evm_console_init(void)
668{
669 if (!machine_is_davinci_da830_evm())
670 return 0;
671
672 return add_preferred_console("ttyS", 2, "115200");
673}
674console_initcall(da830_evm_console_init);
675#endif
676
677static void __init da830_evm_map_io(void)
678{
679 da830_init();
680}
681
682MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
683 .atag_offset = 0x100,
684 .map_io = da830_evm_map_io,
685 .init_irq = da830_init_irq,
686 .init_time = da830_init_time,
687 .init_machine = da830_evm_init,
688 .init_late = davinci_init_late,
689 .dma_zone_size = SZ_128M,
690MACHINE_END
691
