1 /*
2  * TI DA850/OMAP-L138 EVM board
3  *
4  * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
5  *
6  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
7  * Original Copyrights follow:
8  *
9  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
10  * the terms of the GNU General Public License version 2. This program
11  * is licensed "as is" without any warranty of any kind, whether express
12  * or implied.
13  */
14 #include <linux/console.h>
15 #include <linux/delay.h>
16 #include <linux/gpio.h>
17 #include <linux/gpio_keys.h>
18 #include <linux/gpio/machine.h>
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/leds.h>
22 #include <linux/i2c.h>
23 #include <linux/platform_data/pca953x.h>
24 #include <linux/input.h>
25 #include <linux/input/tps6507x-ts.h>
26 #include <linux/mfd/tps6507x.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/rawnand.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/nvmem-provider.h>
31 #include <linux/mtd/physmap.h>
32 #include <linux/platform_device.h>
33 #include <linux/platform_data/gpio-davinci.h>
34 #include <linux/platform_data/mtd-davinci.h>
35 #include <linux/platform_data/mtd-davinci-aemif.h>
36 #include <linux/platform_data/ti-aemif.h>
37 #include <linux/platform_data/spi-davinci.h>
38 #include <linux/platform_data/uio_pruss.h>
39 #include <linux/property.h>
40 #include <linux/regulator/machine.h>
41 #include <linux/regulator/tps6507x.h>
42 #include <linux/regulator/fixed.h>
43 #include <linux/spi/spi.h>
44 #include <linux/spi/flash.h>
45 
46 #include <mach/common.h>
47 #include <mach/da8xx.h>
48 #include <mach/mux.h>
49 
50 #include "irqs.h"
51 #include "sram.h"
52 
53 #include <asm/mach-types.h>
54 #include <asm/mach/arch.h>
55 #include <asm/system_info.h>
56 
57 #include <media/i2c/tvp514x.h>
58 #include <media/i2c/adv7343.h>
59 
60 #define DA850_EVM_PHY_ID		"davinci_mdio-0:00"
61 #define DA850_LCD_PWR_PIN		GPIO_TO_PIN(2, 8)
62 #define DA850_LCD_BL_PIN		GPIO_TO_PIN(2, 15)
63 
64 #define DA850_MII_MDIO_CLKEN_PIN	GPIO_TO_PIN(2, 6)
65 
66 static struct mtd_partition da850evm_spiflash_part[] = {
67 	[0] = {
68 		.name = "UBL",
69 		.offset = 0,
70 		.size = SZ_64K,
71 		.mask_flags = MTD_WRITEABLE,
72 	},
73 	[1] = {
74 		.name = "U-Boot",
75 		.offset = MTDPART_OFS_APPEND,
76 		.size = SZ_512K,
77 		.mask_flags = MTD_WRITEABLE,
78 	},
79 	[2] = {
80 		.name = "U-Boot-Env",
81 		.offset = MTDPART_OFS_APPEND,
82 		.size = SZ_64K,
83 		.mask_flags = MTD_WRITEABLE,
84 	},
85 	[3] = {
86 		.name = "Kernel",
87 		.offset = MTDPART_OFS_APPEND,
88 		.size = SZ_2M + SZ_512K,
89 		.mask_flags = 0,
90 	},
91 	[4] = {
92 		.name = "Filesystem",
93 		.offset = MTDPART_OFS_APPEND,
94 		.size = SZ_4M,
95 		.mask_flags = 0,
96 	},
97 	[5] = {
98 		.name = "MAC-Address",
99 		.offset = SZ_8M - SZ_64K,
100 		.size = SZ_64K,
101 		.mask_flags = MTD_WRITEABLE,
102 	},
103 };
104 
105 static struct nvmem_cell_info da850evm_nvmem_cells[] = {
106 	{
107 		.name		= "macaddr",
108 		.offset		= 0x0,
109 		.bytes		= ETH_ALEN,
110 	}
111 };
112 
113 static struct nvmem_cell_table da850evm_nvmem_cell_table = {
114 	/*
115 	 * The nvmem name differs from the partition name because of the
116 	 * internal works of the nvmem framework.
117 	 */
118 	.nvmem_name	= "MAC-Address0",
119 	.cells		= da850evm_nvmem_cells,
120 	.ncells		= ARRAY_SIZE(da850evm_nvmem_cells),
121 };
122 
123 static struct nvmem_cell_lookup da850evm_nvmem_cell_lookup = {
124 	.nvmem_name	= "MAC-Address0",
125 	.cell_name	= "macaddr",
126 	.dev_id		= "davinci_emac.1",
127 	.con_id		= "mac-address",
128 };
129 
130 static struct flash_platform_data da850evm_spiflash_data = {
131 	.name		= "m25p80",
132 	.parts		= da850evm_spiflash_part,
133 	.nr_parts	= ARRAY_SIZE(da850evm_spiflash_part),
134 	.type		= "m25p64",
135 };
136 
137 static struct davinci_spi_config da850evm_spiflash_cfg = {
138 	.io_type	= SPI_IO_TYPE_DMA,
139 	.c2tdelay	= 8,
140 	.t2cdelay	= 8,
141 };
142 
143 static struct spi_board_info da850evm_spi_info[] = {
144 	{
145 		.modalias		= "m25p80",
146 		.platform_data		= &da850evm_spiflash_data,
147 		.controller_data	= &da850evm_spiflash_cfg,
148 		.mode			= SPI_MODE_0,
149 		.max_speed_hz		= 30000000,
150 		.bus_num		= 1,
151 		.chip_select		= 0,
152 	},
153 };
154 
155 static struct mtd_partition da850_evm_norflash_partition[] = {
156 	{
157 		.name           = "bootloaders + env",
158 		.offset         = 0,
159 		.size           = SZ_512K,
160 		.mask_flags     = MTD_WRITEABLE,
161 	},
162 	{
163 		.name           = "kernel",
164 		.offset         = MTDPART_OFS_APPEND,
165 		.size           = SZ_2M,
166 		.mask_flags     = 0,
167 	},
168 	{
169 		.name           = "filesystem",
170 		.offset         = MTDPART_OFS_APPEND,
171 		.size           = MTDPART_SIZ_FULL,
172 		.mask_flags     = 0,
173 	},
174 };
175 
176 static struct physmap_flash_data da850_evm_norflash_data = {
177 	.width		= 2,
178 	.parts		= da850_evm_norflash_partition,
179 	.nr_parts	= ARRAY_SIZE(da850_evm_norflash_partition),
180 };
181 
182 static struct resource da850_evm_norflash_resource[] = {
183 	{
184 		.start	= DA8XX_AEMIF_CS2_BASE,
185 		.end	= DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
186 		.flags	= IORESOURCE_MEM,
187 	},
188 };
189 
190 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
191  * (128K blocks). It may be used instead of the (default) SPI flash
192  * to boot, using TI's tools to install the secondary boot loader
193  * (UBL) and U-Boot.
194  */
195 static struct mtd_partition da850_evm_nandflash_partition[] = {
196 	{
197 		.name		= "u-boot env",
198 		.offset		= 0,
199 		.size		= SZ_128K,
200 		.mask_flags	= MTD_WRITEABLE,
201 	 },
202 	{
203 		.name		= "UBL",
204 		.offset		= MTDPART_OFS_APPEND,
205 		.size		= SZ_128K,
206 		.mask_flags	= MTD_WRITEABLE,
207 	},
208 	{
209 		.name		= "u-boot",
210 		.offset		= MTDPART_OFS_APPEND,
211 		.size		= 4 * SZ_128K,
212 		.mask_flags	= MTD_WRITEABLE,
213 	},
214 	{
215 		.name		= "kernel",
216 		.offset		= 0x200000,
217 		.size		= SZ_2M,
218 		.mask_flags	= 0,
219 	},
220 	{
221 		.name		= "filesystem",
222 		.offset		= MTDPART_OFS_APPEND,
223 		.size		= MTDPART_SIZ_FULL,
224 		.mask_flags	= 0,
225 	},
226 };
227 
228 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
229 	.wsetup		= 24,
230 	.wstrobe	= 21,
231 	.whold		= 14,
232 	.rsetup		= 19,
233 	.rstrobe	= 50,
234 	.rhold		= 0,
235 	.ta		= 20,
236 };
237 
238 static struct davinci_nand_pdata da850_evm_nandflash_data = {
239 	.core_chipsel	= 1,
240 	.parts		= da850_evm_nandflash_partition,
241 	.nr_parts	= ARRAY_SIZE(da850_evm_nandflash_partition),
242 	.engine_type	= NAND_ECC_ENGINE_TYPE_ON_HOST,
243 	.ecc_bits	= 4,
244 	.bbt_options	= NAND_BBT_USE_FLASH,
245 	.timing		= &da850_evm_nandflash_timing,
246 };
247 
248 static struct resource da850_evm_nandflash_resource[] = {
249 	{
250 		.start	= DA8XX_AEMIF_CS3_BASE,
251 		.end	= DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
252 		.flags	= IORESOURCE_MEM,
253 	},
254 	{
255 		.start	= DA8XX_AEMIF_CTL_BASE,
256 		.end	= DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
257 		.flags	= IORESOURCE_MEM,
258 	},
259 };
260 
261 static struct resource da850_evm_aemif_resource[] = {
262 	{
263 		.start	= DA8XX_AEMIF_CTL_BASE,
264 		.end	= DA8XX_AEMIF_CTL_BASE + SZ_32K,
265 		.flags	= IORESOURCE_MEM,
266 	}
267 };
268 
269 static struct aemif_abus_data da850_evm_aemif_abus_data[] = {
270 	{
271 		.cs	= 3,
272 	}
273 };
274 
275 static struct platform_device da850_evm_aemif_devices[] = {
276 	{
277 		.name		= "davinci_nand",
278 		.id		= 1,
279 		.dev		= {
280 			.platform_data	= &da850_evm_nandflash_data,
281 		},
282 		.num_resources	= ARRAY_SIZE(da850_evm_nandflash_resource),
283 		.resource	= da850_evm_nandflash_resource,
284 	},
285 	{
286 		.name		= "physmap-flash",
287 		.id		= 0,
288 		.dev		= {
289 			.platform_data  = &da850_evm_norflash_data,
290 		},
291 		.num_resources	= 1,
292 		.resource	= da850_evm_norflash_resource,
293 	}
294 };
295 
296 static struct aemif_platform_data da850_evm_aemif_pdata = {
297 	.cs_offset = 2,
298 	.abus_data = da850_evm_aemif_abus_data,
299 	.num_abus_data = ARRAY_SIZE(da850_evm_aemif_abus_data),
300 	.sub_devices = da850_evm_aemif_devices,
301 	.num_sub_devices = ARRAY_SIZE(da850_evm_aemif_devices),
302 };
303 
304 static struct platform_device da850_evm_aemif_device = {
305 	.name		= "ti-aemif",
306 	.id		= -1,
307 	.dev = {
308 		.platform_data	= &da850_evm_aemif_pdata,
309 	},
310 	.resource	= da850_evm_aemif_resource,
311 	.num_resources	= ARRAY_SIZE(da850_evm_aemif_resource),
312 };
313 
314 static const short da850_evm_nand_pins[] = {
315 	DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
316 	DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
317 	DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
318 	DA850_NEMA_WE, DA850_NEMA_OE,
319 	-1
320 };
321 
322 static const short da850_evm_nor_pins[] = {
323 	DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
324 	DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
325 	DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
326 	DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
327 	DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
328 	DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
329 	DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
330 	DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
331 	DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
332 	DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
333 	DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
334 	DA850_EMA_A_22, DA850_EMA_A_23,
335 	-1
336 };
337 
338 #define HAS_MMC		IS_ENABLED(CONFIG_MMC_DAVINCI)
339 
da850_evm_setup_nor_nand(void)340 static inline void da850_evm_setup_nor_nand(void)
341 {
342 	int ret = 0;
343 
344 	if (!HAS_MMC) {
345 		ret = davinci_cfg_reg_list(da850_evm_nand_pins);
346 		if (ret)
347 			pr_warn("%s: NAND mux setup failed: %d\n",
348 				__func__, ret);
349 
350 		ret = davinci_cfg_reg_list(da850_evm_nor_pins);
351 		if (ret)
352 			pr_warn("%s: NOR mux setup failed: %d\n",
353 				__func__, ret);
354 
355 		ret = platform_device_register(&da850_evm_aemif_device);
356 		if (ret)
357 			pr_warn("%s: registering aemif failed: %d\n",
358 				__func__, ret);
359 	}
360 }
361 
362 #ifdef CONFIG_DA850_UI_RMII
da850_evm_setup_emac_rmii(int rmii_sel)363 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
364 {
365 	struct davinci_soc_info *soc_info = &davinci_soc_info;
366 
367 	soc_info->emac_pdata->rmii_en = 1;
368 	gpio_set_value_cansleep(rmii_sel, 0);
369 }
370 #else
da850_evm_setup_emac_rmii(int rmii_sel)371 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
372 #endif
373 
374 
375 #define DA850_KEYS_DEBOUNCE_MS	10
376 /*
377  * At 200ms polling interval it is possible to miss an
378  * event by tapping very lightly on the push button but most
379  * pushes do result in an event; longer intervals require the
380  * user to hold the button whereas shorter intervals require
381  * more CPU time for polling.
382  */
383 #define DA850_GPIO_KEYS_POLL_MS	200
384 
385 enum da850_evm_ui_exp_pins {
386 	DA850_EVM_UI_EXP_SEL_C = 5,
387 	DA850_EVM_UI_EXP_SEL_B,
388 	DA850_EVM_UI_EXP_SEL_A,
389 	DA850_EVM_UI_EXP_PB8,
390 	DA850_EVM_UI_EXP_PB7,
391 	DA850_EVM_UI_EXP_PB6,
392 	DA850_EVM_UI_EXP_PB5,
393 	DA850_EVM_UI_EXP_PB4,
394 	DA850_EVM_UI_EXP_PB3,
395 	DA850_EVM_UI_EXP_PB2,
396 	DA850_EVM_UI_EXP_PB1,
397 };
398 
399 static const char * const da850_evm_ui_exp[] = {
400 	[DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
401 	[DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
402 	[DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
403 	[DA850_EVM_UI_EXP_PB8]          = "pb8",
404 	[DA850_EVM_UI_EXP_PB7]          = "pb7",
405 	[DA850_EVM_UI_EXP_PB6]          = "pb6",
406 	[DA850_EVM_UI_EXP_PB5]          = "pb5",
407 	[DA850_EVM_UI_EXP_PB4]          = "pb4",
408 	[DA850_EVM_UI_EXP_PB3]          = "pb3",
409 	[DA850_EVM_UI_EXP_PB2]          = "pb2",
410 	[DA850_EVM_UI_EXP_PB1]          = "pb1",
411 };
412 
413 #define DA850_N_UI_PB		8
414 
415 static struct gpio_keys_button da850_evm_ui_keys[] = {
416 	[0 ... DA850_N_UI_PB - 1] = {
417 		.type			= EV_KEY,
418 		.active_low		= 1,
419 		.wakeup			= 0,
420 		.debounce_interval	= DA850_KEYS_DEBOUNCE_MS,
421 		.code			= -1, /* assigned at runtime */
422 		.gpio			= -1, /* assigned at runtime */
423 		.desc			= NULL, /* assigned at runtime */
424 	},
425 };
426 
427 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
428 	.buttons = da850_evm_ui_keys,
429 	.nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
430 	.poll_interval = DA850_GPIO_KEYS_POLL_MS,
431 };
432 
433 static struct platform_device da850_evm_ui_keys_device = {
434 	.name = "gpio-keys-polled",
435 	.id = 0,
436 	.dev = {
437 		.platform_data = &da850_evm_ui_keys_pdata
438 	},
439 };
440 
da850_evm_ui_keys_init(unsigned gpio)441 static void da850_evm_ui_keys_init(unsigned gpio)
442 {
443 	int i;
444 	struct gpio_keys_button *button;
445 
446 	for (i = 0; i < DA850_N_UI_PB; i++) {
447 		button = &da850_evm_ui_keys[i];
448 		button->code = KEY_F8 - i;
449 		button->desc = da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
450 		button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
451 	}
452 }
453 
454 #ifdef CONFIG_DA850_UI_SD_VIDEO_PORT
da850_evm_setup_video_port(int video_sel)455 static inline void da850_evm_setup_video_port(int video_sel)
456 {
457 	gpio_set_value_cansleep(video_sel, 0);
458 }
459 #else
da850_evm_setup_video_port(int video_sel)460 static inline void da850_evm_setup_video_port(int video_sel) { }
461 #endif
462 
da850_evm_ui_expander_setup(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)463 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
464 						unsigned ngpio, void *c)
465 {
466 	int sel_a, sel_b, sel_c, ret;
467 
468 	sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
469 	sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
470 	sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
471 
472 	ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
473 	if (ret) {
474 		pr_warn("Cannot open UI expander pin %d\n", sel_a);
475 		goto exp_setup_sela_fail;
476 	}
477 
478 	ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
479 	if (ret) {
480 		pr_warn("Cannot open UI expander pin %d\n", sel_b);
481 		goto exp_setup_selb_fail;
482 	}
483 
484 	ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
485 	if (ret) {
486 		pr_warn("Cannot open UI expander pin %d\n", sel_c);
487 		goto exp_setup_selc_fail;
488 	}
489 
490 	/* deselect all functionalities */
491 	gpio_direction_output(sel_a, 1);
492 	gpio_direction_output(sel_b, 1);
493 	gpio_direction_output(sel_c, 1);
494 
495 	da850_evm_ui_keys_init(gpio);
496 	ret = platform_device_register(&da850_evm_ui_keys_device);
497 	if (ret) {
498 		pr_warn("Could not register UI GPIO expander push-buttons");
499 		goto exp_setup_keys_fail;
500 	}
501 
502 	pr_info("DA850/OMAP-L138 EVM UI card detected\n");
503 
504 	da850_evm_setup_nor_nand();
505 
506 	da850_evm_setup_emac_rmii(sel_a);
507 
508 	da850_evm_setup_video_port(sel_c);
509 
510 	return 0;
511 
512 exp_setup_keys_fail:
513 	gpio_free(sel_c);
514 exp_setup_selc_fail:
515 	gpio_free(sel_b);
516 exp_setup_selb_fail:
517 	gpio_free(sel_a);
518 exp_setup_sela_fail:
519 	return ret;
520 }
521 
da850_evm_ui_expander_teardown(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)522 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
523 					unsigned gpio, unsigned ngpio, void *c)
524 {
525 	platform_device_unregister(&da850_evm_ui_keys_device);
526 
527 	/* deselect all functionalities */
528 	gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
529 	gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
530 	gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
531 
532 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
533 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
534 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
535 
536 	return 0;
537 }
538 
539 /* assign the baseboard expander's GPIOs after the UI board's */
540 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
541 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
542 
543 enum da850_evm_bb_exp_pins {
544 	DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
545 	DA850_EVM_BB_EXP_SW_RST,
546 	DA850_EVM_BB_EXP_TP_23,
547 	DA850_EVM_BB_EXP_TP_22,
548 	DA850_EVM_BB_EXP_TP_21,
549 	DA850_EVM_BB_EXP_USER_PB1,
550 	DA850_EVM_BB_EXP_USER_LED2,
551 	DA850_EVM_BB_EXP_USER_LED1,
552 	DA850_EVM_BB_EXP_USER_SW1,
553 	DA850_EVM_BB_EXP_USER_SW2,
554 	DA850_EVM_BB_EXP_USER_SW3,
555 	DA850_EVM_BB_EXP_USER_SW4,
556 	DA850_EVM_BB_EXP_USER_SW5,
557 	DA850_EVM_BB_EXP_USER_SW6,
558 	DA850_EVM_BB_EXP_USER_SW7,
559 	DA850_EVM_BB_EXP_USER_SW8
560 };
561 
562 static const char * const da850_evm_bb_exp[] = {
563 	[DA850_EVM_BB_EXP_DEEP_SLEEP_EN]	= "deep_sleep_en",
564 	[DA850_EVM_BB_EXP_SW_RST]		= "sw_rst",
565 	[DA850_EVM_BB_EXP_TP_23]		= "tp_23",
566 	[DA850_EVM_BB_EXP_TP_22]		= "tp_22",
567 	[DA850_EVM_BB_EXP_TP_21]		= "tp_21",
568 	[DA850_EVM_BB_EXP_USER_PB1]		= "user_pb1",
569 	[DA850_EVM_BB_EXP_USER_LED2]		= "user_led2",
570 	[DA850_EVM_BB_EXP_USER_LED1]		= "user_led1",
571 	[DA850_EVM_BB_EXP_USER_SW1]		= "user_sw1",
572 	[DA850_EVM_BB_EXP_USER_SW2]		= "user_sw2",
573 	[DA850_EVM_BB_EXP_USER_SW3]		= "user_sw3",
574 	[DA850_EVM_BB_EXP_USER_SW4]		= "user_sw4",
575 	[DA850_EVM_BB_EXP_USER_SW5]		= "user_sw5",
576 	[DA850_EVM_BB_EXP_USER_SW6]		= "user_sw6",
577 	[DA850_EVM_BB_EXP_USER_SW7]		= "user_sw7",
578 	[DA850_EVM_BB_EXP_USER_SW8]		= "user_sw8",
579 };
580 
581 #define DA850_N_BB_USER_SW	8
582 
583 static struct gpio_keys_button da850_evm_bb_keys[] = {
584 	[0] = {
585 		.type			= EV_KEY,
586 		.active_low		= 1,
587 		.wakeup			= 0,
588 		.debounce_interval	= DA850_KEYS_DEBOUNCE_MS,
589 		.code			= KEY_PROG1,
590 		.desc			= NULL, /* assigned at runtime */
591 		.gpio			= -1, /* assigned at runtime */
592 	},
593 	[1 ... DA850_N_BB_USER_SW] = {
594 		.type			= EV_SW,
595 		.active_low		= 1,
596 		.wakeup			= 0,
597 		.debounce_interval	= DA850_KEYS_DEBOUNCE_MS,
598 		.code			= -1, /* assigned at runtime */
599 		.desc			= NULL, /* assigned at runtime */
600 		.gpio			= -1, /* assigned at runtime */
601 	},
602 };
603 
604 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
605 	.buttons = da850_evm_bb_keys,
606 	.nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
607 	.poll_interval = DA850_GPIO_KEYS_POLL_MS,
608 };
609 
610 static struct platform_device da850_evm_bb_keys_device = {
611 	.name = "gpio-keys-polled",
612 	.id = 1,
613 	.dev = {
614 		.platform_data = &da850_evm_bb_keys_pdata
615 	},
616 };
617 
da850_evm_bb_keys_init(unsigned gpio)618 static void da850_evm_bb_keys_init(unsigned gpio)
619 {
620 	int i;
621 	struct gpio_keys_button *button;
622 
623 	button = &da850_evm_bb_keys[0];
624 	button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
625 	button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
626 
627 	for (i = 0; i < DA850_N_BB_USER_SW; i++) {
628 		button = &da850_evm_bb_keys[i + 1];
629 		button->code = SW_LID + i;
630 		button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
631 		button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
632 	}
633 }
634 
635 static struct gpio_led da850_evm_bb_leds[] = {
636 	{
637 		.name = "user_led2",
638 	},
639 	{
640 		.name = "user_led1",
641 	},
642 };
643 
644 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
645 	.leds = da850_evm_bb_leds,
646 	.num_leds = ARRAY_SIZE(da850_evm_bb_leds),
647 };
648 
649 static struct gpiod_lookup_table da850_evm_bb_leds_gpio_table = {
650 	.dev_id = "leds-gpio",
651 	.table = {
652 		GPIO_LOOKUP_IDX("i2c-bb-expander",
653 				DA850_EVM_BB_EXP_USER_LED2, NULL,
654 				0, GPIO_ACTIVE_LOW),
655 		GPIO_LOOKUP_IDX("i2c-bb-expander",
656 				DA850_EVM_BB_EXP_USER_LED2 + 1, NULL,
657 				1, GPIO_ACTIVE_LOW),
658 
659 		{ },
660 	},
661 };
662 
663 static struct platform_device da850_evm_bb_leds_device = {
664 	.name		= "leds-gpio",
665 	.id		= -1,
666 	.dev = {
667 		.platform_data = &da850_evm_bb_leds_pdata
668 	}
669 };
670 
da850_evm_bb_expander_setup(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)671 static int da850_evm_bb_expander_setup(struct i2c_client *client,
672 						unsigned gpio, unsigned ngpio,
673 						void *c)
674 {
675 	int ret;
676 
677 	/*
678 	 * Register the switches and pushbutton on the baseboard as a gpio-keys
679 	 * device.
680 	 */
681 	da850_evm_bb_keys_init(gpio);
682 	ret = platform_device_register(&da850_evm_bb_keys_device);
683 	if (ret) {
684 		pr_warn("Could not register baseboard GPIO expander keys");
685 		goto io_exp_setup_sw_fail;
686 	}
687 
688 	gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table);
689 	ret = platform_device_register(&da850_evm_bb_leds_device);
690 	if (ret) {
691 		pr_warn("Could not register baseboard GPIO expander LEDs");
692 		goto io_exp_setup_leds_fail;
693 	}
694 
695 	return 0;
696 
697 io_exp_setup_leds_fail:
698 	platform_device_unregister(&da850_evm_bb_keys_device);
699 io_exp_setup_sw_fail:
700 	return ret;
701 }
702 
da850_evm_bb_expander_teardown(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)703 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
704 					unsigned gpio, unsigned ngpio, void *c)
705 {
706 	platform_device_unregister(&da850_evm_bb_leds_device);
707 	platform_device_unregister(&da850_evm_bb_keys_device);
708 
709 	return 0;
710 }
711 
712 static struct pca953x_platform_data da850_evm_ui_expander_info = {
713 	.gpio_base	= DAVINCI_N_GPIO,
714 	.setup		= da850_evm_ui_expander_setup,
715 	.teardown	= da850_evm_ui_expander_teardown,
716 	.names		= da850_evm_ui_exp,
717 };
718 
719 static struct pca953x_platform_data da850_evm_bb_expander_info = {
720 	.gpio_base	= DA850_BB_EXPANDER_GPIO_BASE,
721 	.setup		= da850_evm_bb_expander_setup,
722 	.teardown	= da850_evm_bb_expander_teardown,
723 	.names		= da850_evm_bb_exp,
724 };
725 
726 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
727 	{
728 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
729 	},
730 	{
731 		I2C_BOARD_INFO("tca6416", 0x20),
732 		.dev_name = "ui-expander",
733 		.platform_data = &da850_evm_ui_expander_info,
734 	},
735 	{
736 		I2C_BOARD_INFO("tca6416", 0x21),
737 		.dev_name = "bb-expander",
738 		.platform_data = &da850_evm_bb_expander_info,
739 	},
740 };
741 
742 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
743 	.bus_freq	= 100,	/* kHz */
744 	.bus_delay	= 0,	/* usec */
745 };
746 
747 /* davinci da850 evm audio machine driver */
748 static u8 da850_iis_serializer_direction[] = {
749 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
750 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
751 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	TX_MODE,
752 	RX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
753 };
754 
755 static struct snd_platform_data da850_evm_snd_data = {
756 	.tx_dma_offset		= 0x2000,
757 	.rx_dma_offset		= 0x2000,
758 	.op_mode		= DAVINCI_MCASP_IIS_MODE,
759 	.num_serializer		= ARRAY_SIZE(da850_iis_serializer_direction),
760 	.tdm_slots		= 2,
761 	.serial_dir		= da850_iis_serializer_direction,
762 	.asp_chan_q		= EVENTQ_0,
763 	.ram_chan_q		= EVENTQ_1,
764 	.version		= MCASP_VERSION_2,
765 	.txnumevt		= 1,
766 	.rxnumevt		= 1,
767 	.sram_size_playback	= SZ_8K,
768 	.sram_size_capture	= SZ_8K,
769 };
770 
771 static const short da850_evm_mcasp_pins[] __initconst = {
772 	DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
773 	DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
774 	DA850_AXR_11, DA850_AXR_12,
775 	-1
776 };
777 
778 #define DA850_MMCSD_CD_PIN		GPIO_TO_PIN(4, 0)
779 #define DA850_MMCSD_WP_PIN		GPIO_TO_PIN(4, 1)
780 
781 static struct gpiod_lookup_table mmc_gpios_table = {
782 	.dev_id = "da830-mmc.0",
783 	.table = {
784 		/* gpio chip 2 contains gpio range 64-95 */
785 		GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_CD_PIN, "cd",
786 			    GPIO_ACTIVE_LOW),
787 		GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_WP_PIN, "wp",
788 			    GPIO_ACTIVE_HIGH),
789 		{ }
790 	},
791 };
792 
793 static struct davinci_mmc_config da850_mmc_config = {
794 	.wires		= 4,
795 	.max_freq	= 50000000,
796 	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
797 };
798 
799 static const short da850_evm_mmcsd0_pins[] __initconst = {
800 	DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
801 	DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
802 	DA850_GPIO4_0, DA850_GPIO4_1,
803 	-1
804 };
805 
806 static struct property_entry da850_lcd_backlight_props[] = {
807 	PROPERTY_ENTRY_BOOL("default-on"),
808 	{ }
809 };
810 
811 static struct gpiod_lookup_table da850_lcd_backlight_gpio_table = {
812 	.dev_id		= "gpio-backlight",
813 	.table = {
814 		GPIO_LOOKUP("davinci_gpio", DA850_LCD_BL_PIN, NULL, 0),
815 		{ }
816 	},
817 };
818 
819 static const struct platform_device_info da850_lcd_backlight_info = {
820 	.name		= "gpio-backlight",
821 	.id		= PLATFORM_DEVID_NONE,
822 	.properties	= da850_lcd_backlight_props,
823 };
824 
825 static struct regulator_consumer_supply da850_lcd_supplies[] = {
826 	REGULATOR_SUPPLY("lcd", NULL),
827 };
828 
829 static struct regulator_init_data da850_lcd_supply_data = {
830 	.consumer_supplies	= da850_lcd_supplies,
831 	.num_consumer_supplies	= ARRAY_SIZE(da850_lcd_supplies),
832 	.constraints    = {
833 		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
834 	},
835 };
836 
837 static struct fixed_voltage_config da850_lcd_supply = {
838 	.supply_name		= "lcd",
839 	.microvolts		= 33000000,
840 	.init_data		= &da850_lcd_supply_data,
841 };
842 
843 static struct platform_device da850_lcd_supply_device = {
844 	.name			= "reg-fixed-voltage",
845 	.id			= 1, /* Dummy fixed regulator is 0 */
846 	.dev			= {
847 		.platform_data = &da850_lcd_supply,
848 	},
849 };
850 
851 static struct gpiod_lookup_table da850_lcd_supply_gpio_table = {
852 	.dev_id			= "reg-fixed-voltage.1",
853 	.table = {
854 		GPIO_LOOKUP("davinci_gpio", DA850_LCD_PWR_PIN, NULL, 0),
855 		{ }
856 	},
857 };
858 
859 static struct gpiod_lookup_table *da850_lcd_gpio_lookups[] = {
860 	&da850_lcd_backlight_gpio_table,
861 	&da850_lcd_supply_gpio_table,
862 };
863 
da850_lcd_hw_init(void)864 static int da850_lcd_hw_init(void)
865 {
866 	struct platform_device *backlight;
867 	int status;
868 
869 	gpiod_add_lookup_tables(da850_lcd_gpio_lookups,
870 				ARRAY_SIZE(da850_lcd_gpio_lookups));
871 
872 	backlight = platform_device_register_full(&da850_lcd_backlight_info);
873 	if (IS_ERR(backlight))
874 		return PTR_ERR(backlight);
875 
876 	status = platform_device_register(&da850_lcd_supply_device);
877 	if (status)
878 		return status;
879 
880 	return 0;
881 }
882 
883 /* Fixed regulator support */
884 static struct regulator_consumer_supply fixed_supplies[] = {
885 	/* Baseboard 3.3V: 5V -> TPS73701DCQ -> 3.3V */
886 	REGULATOR_SUPPLY("AVDD", "1-0018"),
887 	REGULATOR_SUPPLY("DRVDD", "1-0018"),
888 
889 	/* Baseboard 1.8V: 5V -> TPS73701DCQ -> 1.8V */
890 	REGULATOR_SUPPLY("DVDD", "1-0018"),
891 
892 	/* UI card 3.3V: 5V -> TPS73701DCQ -> 3.3V */
893 	REGULATOR_SUPPLY("vcc", "1-0020"),
894 };
895 
896 /* TPS65070 voltage regulator support */
897 
898 /* 3.3V */
899 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
900 	{
901 		.supply = "usb0_vdda33",
902 	},
903 	{
904 		.supply = "usb1_vdda33",
905 	},
906 };
907 
908 /* 3.3V or 1.8V */
909 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
910 	{
911 		.supply = "dvdd3318_a",
912 	},
913 	{
914 		.supply = "dvdd3318_b",
915 	},
916 	{
917 		.supply = "dvdd3318_c",
918 	},
919 	REGULATOR_SUPPLY("IOVDD", "1-0018"),
920 };
921 
922 /* 1.2V */
923 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
924 	{
925 		.supply = "cvdd",
926 	},
927 };
928 
929 /* 1.8V LDO */
930 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
931 	{
932 		.supply = "sata_vddr",
933 	},
934 	{
935 		.supply = "usb0_vdda18",
936 	},
937 	{
938 		.supply = "usb1_vdda18",
939 	},
940 	{
941 		.supply = "ddr_dvdd18",
942 	},
943 };
944 
945 /* 1.2V LDO */
946 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
947 	{
948 		.supply = "sata_vdd",
949 	},
950 	{
951 		.supply = "pll0_vdda",
952 	},
953 	{
954 		.supply = "pll1_vdda",
955 	},
956 	{
957 		.supply = "usbs_cvdd",
958 	},
959 	{
960 		.supply = "vddarnwa1",
961 	},
962 };
963 
964 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
965 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
966 	.defdcdc_default = true,
967 };
968 
969 static struct regulator_init_data tps65070_regulator_data[] = {
970 	/* dcdc1 */
971 	{
972 		.constraints = {
973 			.min_uV = 3150000,
974 			.max_uV = 3450000,
975 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
976 				REGULATOR_CHANGE_STATUS),
977 			.boot_on = 1,
978 		},
979 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
980 		.consumer_supplies = tps65070_dcdc1_consumers,
981 	},
982 
983 	/* dcdc2 */
984 	{
985 		.constraints = {
986 			.min_uV = 1710000,
987 			.max_uV = 3450000,
988 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
989 				REGULATOR_CHANGE_STATUS),
990 			.boot_on = 1,
991 			.always_on = 1,
992 		},
993 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
994 		.consumer_supplies = tps65070_dcdc2_consumers,
995 		.driver_data = &tps6507x_platform_data,
996 	},
997 
998 	/* dcdc3 */
999 	{
1000 		.constraints = {
1001 			.min_uV = 950000,
1002 			.max_uV = 1350000,
1003 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1004 				REGULATOR_CHANGE_STATUS),
1005 			.boot_on = 1,
1006 		},
1007 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
1008 		.consumer_supplies = tps65070_dcdc3_consumers,
1009 		.driver_data = &tps6507x_platform_data,
1010 	},
1011 
1012 	/* ldo1 */
1013 	{
1014 		.constraints = {
1015 			.min_uV = 1710000,
1016 			.max_uV = 1890000,
1017 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1018 				REGULATOR_CHANGE_STATUS),
1019 			.boot_on = 1,
1020 		},
1021 		.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
1022 		.consumer_supplies = tps65070_ldo1_consumers,
1023 	},
1024 
1025 	/* ldo2 */
1026 	{
1027 		.constraints = {
1028 			.min_uV = 1140000,
1029 			.max_uV = 1320000,
1030 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1031 				REGULATOR_CHANGE_STATUS),
1032 			.boot_on = 1,
1033 		},
1034 		.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
1035 		.consumer_supplies = tps65070_ldo2_consumers,
1036 	},
1037 };
1038 
1039 static struct touchscreen_init_data tps6507x_touchscreen_data = {
1040 	.poll_period =  30,	/* ms between touch samples */
1041 	.min_pressure = 0x30,	/* minimum pressure to trigger touch */
1042 	.vendor = 0,		/* /sys/class/input/input?/id/vendor */
1043 	.product = 65070,	/* /sys/class/input/input?/id/product */
1044 	.version = 0x100,	/* /sys/class/input/input?/id/version */
1045 };
1046 
1047 static struct tps6507x_board tps_board = {
1048 	.tps6507x_pmic_init_data = &tps65070_regulator_data[0],
1049 	.tps6507x_ts_init_data = &tps6507x_touchscreen_data,
1050 };
1051 
1052 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
1053 	{
1054 		I2C_BOARD_INFO("tps6507x", 0x48),
1055 		.platform_data = &tps_board,
1056 	},
1057 };
1058 
pmic_tps65070_init(void)1059 static int __init pmic_tps65070_init(void)
1060 {
1061 	return i2c_register_board_info(1, da850_evm_tps65070_info,
1062 					ARRAY_SIZE(da850_evm_tps65070_info));
1063 }
1064 
1065 static const short da850_evm_lcdc_pins[] = {
1066 	DA850_GPIO2_8, DA850_GPIO2_15,
1067 	-1
1068 };
1069 
1070 static const short da850_evm_mii_pins[] = {
1071 	DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1072 	DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1073 	DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1074 	DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1075 	DA850_MDIO_D,
1076 	-1
1077 };
1078 
1079 static const short da850_evm_rmii_pins[] = {
1080 	DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1081 	DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1082 	DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1083 	DA850_MDIO_D,
1084 	-1
1085 };
1086 
1087 static struct gpiod_hog da850_evm_emac_gpio_hogs[] = {
1088 	{
1089 		.chip_label	= "davinci_gpio",
1090 		.chip_hwnum	= DA850_MII_MDIO_CLKEN_PIN,
1091 		.line_name	= "mdio_clk_en",
1092 		.lflags		= 0,
1093 		/* dflags set in da850_evm_config_emac() */
1094 	},
1095 	{ }
1096 };
1097 
da850_evm_config_emac(void)1098 static int __init da850_evm_config_emac(void)
1099 {
1100 	void __iomem *cfg_chip3_base;
1101 	int ret;
1102 	u32 val;
1103 	struct davinci_soc_info *soc_info = &davinci_soc_info;
1104 	u8 rmii_en = soc_info->emac_pdata->rmii_en;
1105 
1106 	if (!machine_is_davinci_da850_evm())
1107 		return 0;
1108 
1109 	cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1110 
1111 	val = __raw_readl(cfg_chip3_base);
1112 
1113 	if (rmii_en) {
1114 		val |= BIT(8);
1115 		ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1116 		pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1117 							" functional\n");
1118 	} else {
1119 		val &= ~BIT(8);
1120 		ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1121 		pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1122 							" functional\n");
1123 	}
1124 
1125 	if (ret)
1126 		pr_warn("%s: CPGMAC/RMII mux setup failed: %d\n",
1127 			__func__, ret);
1128 
1129 	/* configure the CFGCHIP3 register for RMII or MII */
1130 	__raw_writel(val, cfg_chip3_base);
1131 
1132 	ret = davinci_cfg_reg(DA850_GPIO2_6);
1133 	if (ret)
1134 		pr_warn("%s:GPIO(2,6) mux setup failed\n", __func__);
1135 
1136 	da850_evm_emac_gpio_hogs[0].dflags = rmii_en ? GPIOD_OUT_HIGH
1137 						     : GPIOD_OUT_LOW;
1138 	gpiod_add_hogs(da850_evm_emac_gpio_hogs);
1139 
1140 	soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1141 
1142 	ret = da8xx_register_emac();
1143 	if (ret)
1144 		pr_warn("%s: EMAC registration failed: %d\n", __func__, ret);
1145 
1146 	return 0;
1147 }
1148 device_initcall(da850_evm_config_emac);
1149 
1150 /*
1151  * The following EDMA channels/slots are not being used by drivers (for
1152  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1153  * they are being reserved for codecs on the DSP side.
1154  */
1155 static const s16 da850_dma0_rsv_chans[][2] = {
1156 	/* (offset, number) */
1157 	{ 8,  6},
1158 	{24,  4},
1159 	{30,  2},
1160 	{-1, -1}
1161 };
1162 
1163 static const s16 da850_dma0_rsv_slots[][2] = {
1164 	/* (offset, number) */
1165 	{ 8,  6},
1166 	{24,  4},
1167 	{30, 50},
1168 	{-1, -1}
1169 };
1170 
1171 static const s16 da850_dma1_rsv_chans[][2] = {
1172 	/* (offset, number) */
1173 	{ 0, 28},
1174 	{30,  2},
1175 	{-1, -1}
1176 };
1177 
1178 static const s16 da850_dma1_rsv_slots[][2] = {
1179 	/* (offset, number) */
1180 	{ 0, 28},
1181 	{30, 90},
1182 	{-1, -1}
1183 };
1184 
1185 static struct edma_rsv_info da850_edma_cc0_rsv = {
1186 	.rsv_chans	= da850_dma0_rsv_chans,
1187 	.rsv_slots	= da850_dma0_rsv_slots,
1188 };
1189 
1190 static struct edma_rsv_info da850_edma_cc1_rsv = {
1191 	.rsv_chans	= da850_dma1_rsv_chans,
1192 	.rsv_slots	= da850_dma1_rsv_slots,
1193 };
1194 
1195 static struct edma_rsv_info *da850_edma_rsv[2] = {
1196 	&da850_edma_cc0_rsv,
1197 	&da850_edma_cc1_rsv,
1198 };
1199 
1200 #ifdef CONFIG_CPU_FREQ
da850_evm_init_cpufreq(void)1201 static __init int da850_evm_init_cpufreq(void)
1202 {
1203 	switch (system_rev & 0xF) {
1204 	case 3:
1205 		da850_max_speed = 456000;
1206 		break;
1207 	case 2:
1208 		da850_max_speed = 408000;
1209 		break;
1210 	case 1:
1211 		da850_max_speed = 372000;
1212 		break;
1213 	}
1214 
1215 	return da850_register_cpufreq("pll0_sysclk3");
1216 }
1217 #else
da850_evm_init_cpufreq(void)1218 static __init int da850_evm_init_cpufreq(void) { return 0; }
1219 #endif
1220 
1221 #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT)
1222 
1223 #define TVP5147_CH0		"tvp514x-0"
1224 #define TVP5147_CH1		"tvp514x-1"
1225 
1226 /* VPIF capture configuration */
1227 static struct tvp514x_platform_data tvp5146_pdata = {
1228 		.clk_polarity = 0,
1229 		.hs_polarity  = 1,
1230 		.vs_polarity  = 1,
1231 };
1232 
1233 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
1234 
1235 static struct vpif_input da850_ch0_inputs[] = {
1236 	{
1237 		.input = {
1238 			.index = 0,
1239 			.name  = "Composite",
1240 			.type  = V4L2_INPUT_TYPE_CAMERA,
1241 			.capabilities = V4L2_IN_CAP_STD,
1242 			.std   = TVP514X_STD_ALL,
1243 		},
1244 		.input_route = INPUT_CVBS_VI2B,
1245 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1246 		.subdev_name = TVP5147_CH0,
1247 	},
1248 };
1249 
1250 static struct vpif_input da850_ch1_inputs[] = {
1251 	{
1252 		.input = {
1253 			.index = 0,
1254 			.name  = "S-Video",
1255 			.type  = V4L2_INPUT_TYPE_CAMERA,
1256 			.capabilities = V4L2_IN_CAP_STD,
1257 			.std   = TVP514X_STD_ALL,
1258 		},
1259 		.input_route = INPUT_SVIDEO_VI2C_VI1C,
1260 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1261 		.subdev_name = TVP5147_CH1,
1262 	},
1263 };
1264 
1265 static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = {
1266 	{
1267 		.name = TVP5147_CH0,
1268 		.board_info = {
1269 			I2C_BOARD_INFO("tvp5146", 0x5d),
1270 			.platform_data = &tvp5146_pdata,
1271 		},
1272 	},
1273 	{
1274 		.name = TVP5147_CH1,
1275 		.board_info = {
1276 			I2C_BOARD_INFO("tvp5146", 0x5c),
1277 			.platform_data = &tvp5146_pdata,
1278 		},
1279 	},
1280 };
1281 
1282 static struct vpif_capture_config da850_vpif_capture_config = {
1283 	.subdev_info = da850_vpif_capture_sdev_info,
1284 	.subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info),
1285 	.i2c_adapter_id = 1,
1286 	.chan_config[0] = {
1287 		.inputs = da850_ch0_inputs,
1288 		.input_count = ARRAY_SIZE(da850_ch0_inputs),
1289 		.vpif_if = {
1290 			.if_type = VPIF_IF_BT656,
1291 			.hd_pol  = 1,
1292 			.vd_pol  = 1,
1293 			.fid_pol = 0,
1294 		},
1295 	},
1296 	.chan_config[1] = {
1297 		.inputs = da850_ch1_inputs,
1298 		.input_count = ARRAY_SIZE(da850_ch1_inputs),
1299 		.vpif_if = {
1300 			.if_type = VPIF_IF_BT656,
1301 			.hd_pol  = 1,
1302 			.vd_pol  = 1,
1303 			.fid_pol = 0,
1304 		},
1305 	},
1306 	.card_name = "DA850/OMAP-L138 Video Capture",
1307 };
1308 
1309 /* VPIF display configuration */
1310 
1311 static struct adv7343_platform_data adv7343_pdata = {
1312 	.mode_config = {
1313 		.dac = { 1, 1, 1 },
1314 	},
1315 	.sd_config = {
1316 		.sd_dac_out = { 1 },
1317 	},
1318 };
1319 
1320 static struct vpif_subdev_info da850_vpif_subdev[] = {
1321 	{
1322 		.name = "adv7343",
1323 		.board_info = {
1324 			I2C_BOARD_INFO("adv7343", 0x2a),
1325 			.platform_data = &adv7343_pdata,
1326 		},
1327 	},
1328 };
1329 
1330 static const struct vpif_output da850_ch0_outputs[] = {
1331 	{
1332 		.output = {
1333 			.index = 0,
1334 			.name = "Composite",
1335 			.type = V4L2_OUTPUT_TYPE_ANALOG,
1336 			.capabilities = V4L2_OUT_CAP_STD,
1337 			.std = V4L2_STD_ALL,
1338 		},
1339 		.subdev_name = "adv7343",
1340 		.output_route = ADV7343_COMPOSITE_ID,
1341 	},
1342 	{
1343 		.output = {
1344 			.index = 1,
1345 			.name = "S-Video",
1346 			.type = V4L2_OUTPUT_TYPE_ANALOG,
1347 			.capabilities = V4L2_OUT_CAP_STD,
1348 			.std = V4L2_STD_ALL,
1349 		},
1350 		.subdev_name = "adv7343",
1351 		.output_route = ADV7343_SVIDEO_ID,
1352 	},
1353 };
1354 
1355 static struct vpif_display_config da850_vpif_display_config = {
1356 	.subdevinfo   = da850_vpif_subdev,
1357 	.subdev_count = ARRAY_SIZE(da850_vpif_subdev),
1358 	.chan_config[0] = {
1359 		.outputs = da850_ch0_outputs,
1360 		.output_count = ARRAY_SIZE(da850_ch0_outputs),
1361 	},
1362 	.card_name    = "DA850/OMAP-L138 Video Display",
1363 	.i2c_adapter_id = 1,
1364 };
1365 
da850_vpif_init(void)1366 static __init void da850_vpif_init(void)
1367 {
1368 	int ret;
1369 
1370 	ret = da850_register_vpif();
1371 	if (ret)
1372 		pr_warn("da850_evm_init: VPIF setup failed: %d\n", ret);
1373 
1374 	ret = davinci_cfg_reg_list(da850_vpif_capture_pins);
1375 	if (ret)
1376 		pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n",
1377 			ret);
1378 
1379 	ret = da850_register_vpif_capture(&da850_vpif_capture_config);
1380 	if (ret)
1381 		pr_warn("da850_evm_init: VPIF capture setup failed: %d\n", ret);
1382 
1383 	ret = davinci_cfg_reg_list(da850_vpif_display_pins);
1384 	if (ret)
1385 		pr_warn("da850_evm_init: VPIF display mux setup failed: %d\n",
1386 			ret);
1387 
1388 	ret = da850_register_vpif_display(&da850_vpif_display_config);
1389 	if (ret)
1390 		pr_warn("da850_evm_init: VPIF display setup failed: %d\n", ret);
1391 }
1392 
1393 #else
da850_vpif_init(void)1394 static __init void da850_vpif_init(void) {}
1395 #endif
1396 
1397 #define DA850EVM_SATA_REFCLKPN_RATE	(100 * 1000 * 1000)
1398 
da850_evm_init(void)1399 static __init void da850_evm_init(void)
1400 {
1401 	int ret;
1402 
1403 	da850_register_clocks();
1404 
1405 	ret = da850_register_gpio();
1406 	if (ret)
1407 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
1408 
1409 	regulator_register_fixed(0, fixed_supplies, ARRAY_SIZE(fixed_supplies));
1410 
1411 	ret = pmic_tps65070_init();
1412 	if (ret)
1413 		pr_warn("%s: TPS65070 PMIC init failed: %d\n", __func__, ret);
1414 
1415 	ret = da850_register_edma(da850_edma_rsv);
1416 	if (ret)
1417 		pr_warn("%s: EDMA registration failed: %d\n", __func__, ret);
1418 
1419 	ret = davinci_cfg_reg_list(da850_i2c0_pins);
1420 	if (ret)
1421 		pr_warn("%s: I2C0 mux setup failed: %d\n", __func__, ret);
1422 
1423 	ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1424 	if (ret)
1425 		pr_warn("%s: I2C0 registration failed: %d\n", __func__, ret);
1426 
1427 
1428 	ret = da8xx_register_watchdog();
1429 	if (ret)
1430 		pr_warn("%s: watchdog registration failed: %d\n",
1431 			__func__, ret);
1432 
1433 	if (HAS_MMC) {
1434 		ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1435 		if (ret)
1436 			pr_warn("%s: MMCSD0 mux setup failed: %d\n",
1437 				__func__, ret);
1438 
1439 		gpiod_add_lookup_table(&mmc_gpios_table);
1440 
1441 		ret = da8xx_register_mmcsd0(&da850_mmc_config);
1442 		if (ret)
1443 			pr_warn("%s: MMCSD0 registration failed: %d\n",
1444 				__func__, ret);
1445 	}
1446 
1447 	davinci_serial_init(da8xx_serial_device);
1448 
1449 	nvmem_add_cell_table(&da850evm_nvmem_cell_table);
1450 	nvmem_add_cell_lookups(&da850evm_nvmem_cell_lookup, 1);
1451 
1452 	i2c_register_board_info(1, da850_evm_i2c_devices,
1453 			ARRAY_SIZE(da850_evm_i2c_devices));
1454 
1455 	/*
1456 	 * shut down uart 0 and 1; they are not used on the board and
1457 	 * accessing them causes endless "too much work in irq53" messages
1458 	 * with arago fs
1459 	 */
1460 	__raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1461 	__raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1462 
1463 	ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1464 	if (ret)
1465 		pr_warn("%s: McASP mux setup failed: %d\n", __func__, ret);
1466 
1467 	da850_evm_snd_data.sram_pool = sram_get_gen_pool();
1468 	da8xx_register_mcasp(0, &da850_evm_snd_data);
1469 
1470 	ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1471 	if (ret)
1472 		pr_warn("%s: LCDC mux setup failed: %d\n", __func__, ret);
1473 
1474 	ret = da8xx_register_uio_pruss();
1475 	if (ret)
1476 		pr_warn("da850_evm_init: pruss initialization failed: %d\n",
1477 				ret);
1478 
1479 	/* Handle board specific muxing for LCD here */
1480 	ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1481 	if (ret)
1482 		pr_warn("%s: EVM specific LCD mux setup failed: %d\n",
1483 			__func__, ret);
1484 
1485 	ret = da850_lcd_hw_init();
1486 	if (ret)
1487 		pr_warn("%s: LCD initialization failed: %d\n", __func__, ret);
1488 
1489 	ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1490 	if (ret)
1491 		pr_warn("%s: LCDC registration failed: %d\n", __func__, ret);
1492 
1493 	ret = da8xx_register_rtc();
1494 	if (ret)
1495 		pr_warn("%s: RTC setup failed: %d\n", __func__, ret);
1496 
1497 	ret = da850_evm_init_cpufreq();
1498 	if (ret)
1499 		pr_warn("%s: cpufreq registration failed: %d\n", __func__, ret);
1500 
1501 	ret = da8xx_register_cpuidle();
1502 	if (ret)
1503 		pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret);
1504 
1505 	davinci_pm_init();
1506 	da850_vpif_init();
1507 
1508 	ret = spi_register_board_info(da850evm_spi_info,
1509 				      ARRAY_SIZE(da850evm_spi_info));
1510 	if (ret)
1511 		pr_warn("%s: spi info registration failed: %d\n", __func__,
1512 			ret);
1513 
1514 	ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info));
1515 	if (ret)
1516 		pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret);
1517 
1518 	ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1519 	if (ret)
1520 		pr_warn("%s: SATA registration failed: %d\n", __func__, ret);
1521 
1522 	ret = da8xx_register_rproc();
1523 	if (ret)
1524 		pr_warn("%s: dsp/rproc registration failed: %d\n",
1525 			__func__, ret);
1526 
1527 	regulator_has_full_constraints();
1528 }
1529 
1530 #ifdef CONFIG_SERIAL_8250_CONSOLE
da850_evm_console_init(void)1531 static int __init da850_evm_console_init(void)
1532 {
1533 	if (!machine_is_davinci_da850_evm())
1534 		return 0;
1535 
1536 	return add_preferred_console("ttyS", 2, "115200");
1537 }
1538 console_initcall(da850_evm_console_init);
1539 #endif
1540 
da850_evm_map_io(void)1541 static void __init da850_evm_map_io(void)
1542 {
1543 	da850_init();
1544 }
1545 
1546 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1547 	.atag_offset	= 0x100,
1548 	.map_io		= da850_evm_map_io,
1549 	.init_irq	= da850_init_irq,
1550 	.init_time	= da850_init_time,
1551 	.init_machine	= da850_evm_init,
1552 	.init_late	= davinci_init_late,
1553 	.dma_zone_size	= SZ_128M,
1554 	.reserve	= da8xx_rproc_reserve_cma,
1555 MACHINE_END
1556