1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * TI DA850/OMAP-L138 EVM board
4  *
5  * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
6  *
7  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
8  * Original Copyrights follow:
9  *
10  * 2007, 2009 (c) MontaVista Software, Inc.
11  */
12 #include <linux/console.h>
13 #include <linux/delay.h>
14 #include <linux/gpio.h>
15 #include <linux/gpio_keys.h>
16 #include <linux/gpio/machine.h>
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/leds.h>
20 #include <linux/i2c.h>
21 #include <linux/platform_data/pca953x.h>
22 #include <linux/input.h>
23 #include <linux/input/tps6507x-ts.h>
24 #include <linux/mfd/tps6507x.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/rawnand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/nvmem-provider.h>
29 #include <linux/mtd/physmap.h>
30 #include <linux/platform_device.h>
31 #include <linux/platform_data/gpio-davinci.h>
32 #include <linux/platform_data/mtd-davinci.h>
33 #include <linux/platform_data/mtd-davinci-aemif.h>
34 #include <linux/platform_data/ti-aemif.h>
35 #include <linux/platform_data/spi-davinci.h>
36 #include <linux/platform_data/uio_pruss.h>
37 #include <linux/property.h>
38 #include <linux/regulator/machine.h>
39 #include <linux/regulator/tps6507x.h>
40 #include <linux/regulator/fixed.h>
41 #include <linux/spi/spi.h>
42 #include <linux/spi/flash.h>
43 
44 #include "common.h"
45 #include "da8xx.h"
46 #include "mux.h"
47 #include "irqs.h"
48 #include "sram.h"
49 
50 #include <asm/mach-types.h>
51 #include <asm/mach/arch.h>
52 #include <asm/system_info.h>
53 
54 #include <media/i2c/tvp514x.h>
55 #include <media/i2c/adv7343.h>
56 
57 #define DA850_EVM_PHY_ID		"davinci_mdio-0:00"
58 #define DA850_LCD_PWR_PIN		GPIO_TO_PIN(2, 8)
59 #define DA850_LCD_BL_PIN		GPIO_TO_PIN(2, 15)
60 
61 #define DA850_MII_MDIO_CLKEN_PIN	GPIO_TO_PIN(2, 6)
62 
63 static struct mtd_partition da850evm_spiflash_part[] = {
64 	[0] = {
65 		.name = "UBL",
66 		.offset = 0,
67 		.size = SZ_64K,
68 		.mask_flags = MTD_WRITEABLE,
69 	},
70 	[1] = {
71 		.name = "U-Boot",
72 		.offset = MTDPART_OFS_APPEND,
73 		.size = SZ_512K,
74 		.mask_flags = MTD_WRITEABLE,
75 	},
76 	[2] = {
77 		.name = "U-Boot-Env",
78 		.offset = MTDPART_OFS_APPEND,
79 		.size = SZ_64K,
80 		.mask_flags = MTD_WRITEABLE,
81 	},
82 	[3] = {
83 		.name = "Kernel",
84 		.offset = MTDPART_OFS_APPEND,
85 		.size = SZ_2M + SZ_512K,
86 		.mask_flags = 0,
87 	},
88 	[4] = {
89 		.name = "Filesystem",
90 		.offset = MTDPART_OFS_APPEND,
91 		.size = SZ_4M,
92 		.mask_flags = 0,
93 	},
94 	[5] = {
95 		.name = "MAC-Address",
96 		.offset = SZ_8M - SZ_64K,
97 		.size = SZ_64K,
98 		.mask_flags = MTD_WRITEABLE,
99 	},
100 };
101 
102 static struct nvmem_cell_info da850evm_nvmem_cells[] = {
103 	{
104 		.name		= "macaddr",
105 		.offset		= 0x0,
106 		.bytes		= ETH_ALEN,
107 	}
108 };
109 
110 static struct nvmem_cell_table da850evm_nvmem_cell_table = {
111 	/*
112 	 * The nvmem name differs from the partition name because of the
113 	 * internal works of the nvmem framework.
114 	 */
115 	.nvmem_name	= "MAC-Address0",
116 	.cells		= da850evm_nvmem_cells,
117 	.ncells		= ARRAY_SIZE(da850evm_nvmem_cells),
118 };
119 
120 static struct nvmem_cell_lookup da850evm_nvmem_cell_lookup = {
121 	.nvmem_name	= "MAC-Address0",
122 	.cell_name	= "macaddr",
123 	.dev_id		= "davinci_emac.1",
124 	.con_id		= "mac-address",
125 };
126 
127 static struct flash_platform_data da850evm_spiflash_data = {
128 	.name		= "m25p80",
129 	.parts		= da850evm_spiflash_part,
130 	.nr_parts	= ARRAY_SIZE(da850evm_spiflash_part),
131 	.type		= "m25p64",
132 };
133 
134 static struct davinci_spi_config da850evm_spiflash_cfg = {
135 	.io_type	= SPI_IO_TYPE_DMA,
136 	.c2tdelay	= 8,
137 	.t2cdelay	= 8,
138 };
139 
140 static struct spi_board_info da850evm_spi_info[] = {
141 	{
142 		.modalias		= "m25p80",
143 		.platform_data		= &da850evm_spiflash_data,
144 		.controller_data	= &da850evm_spiflash_cfg,
145 		.mode			= SPI_MODE_0,
146 		.max_speed_hz		= 30000000,
147 		.bus_num		= 1,
148 		.chip_select		= 0,
149 	},
150 };
151 
152 static struct mtd_partition da850_evm_norflash_partition[] = {
153 	{
154 		.name           = "bootloaders + env",
155 		.offset         = 0,
156 		.size           = SZ_512K,
157 		.mask_flags     = MTD_WRITEABLE,
158 	},
159 	{
160 		.name           = "kernel",
161 		.offset         = MTDPART_OFS_APPEND,
162 		.size           = SZ_2M,
163 		.mask_flags     = 0,
164 	},
165 	{
166 		.name           = "filesystem",
167 		.offset         = MTDPART_OFS_APPEND,
168 		.size           = MTDPART_SIZ_FULL,
169 		.mask_flags     = 0,
170 	},
171 };
172 
173 static struct physmap_flash_data da850_evm_norflash_data = {
174 	.width		= 2,
175 	.parts		= da850_evm_norflash_partition,
176 	.nr_parts	= ARRAY_SIZE(da850_evm_norflash_partition),
177 };
178 
179 static struct resource da850_evm_norflash_resource[] = {
180 	{
181 		.start	= DA8XX_AEMIF_CS2_BASE,
182 		.end	= DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
183 		.flags	= IORESOURCE_MEM,
184 	},
185 };
186 
187 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
188  * (128K blocks). It may be used instead of the (default) SPI flash
189  * to boot, using TI's tools to install the secondary boot loader
190  * (UBL) and U-Boot.
191  */
192 static struct mtd_partition da850_evm_nandflash_partition[] = {
193 	{
194 		.name		= "u-boot env",
195 		.offset		= 0,
196 		.size		= SZ_128K,
197 		.mask_flags	= MTD_WRITEABLE,
198 	 },
199 	{
200 		.name		= "UBL",
201 		.offset		= MTDPART_OFS_APPEND,
202 		.size		= SZ_128K,
203 		.mask_flags	= MTD_WRITEABLE,
204 	},
205 	{
206 		.name		= "u-boot",
207 		.offset		= MTDPART_OFS_APPEND,
208 		.size		= 4 * SZ_128K,
209 		.mask_flags	= MTD_WRITEABLE,
210 	},
211 	{
212 		.name		= "kernel",
213 		.offset		= 0x200000,
214 		.size		= SZ_2M,
215 		.mask_flags	= 0,
216 	},
217 	{
218 		.name		= "filesystem",
219 		.offset		= MTDPART_OFS_APPEND,
220 		.size		= MTDPART_SIZ_FULL,
221 		.mask_flags	= 0,
222 	},
223 };
224 
225 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
226 	.wsetup		= 24,
227 	.wstrobe	= 21,
228 	.whold		= 14,
229 	.rsetup		= 19,
230 	.rstrobe	= 50,
231 	.rhold		= 0,
232 	.ta		= 20,
233 };
234 
235 static struct davinci_nand_pdata da850_evm_nandflash_data = {
236 	.core_chipsel	= 1,
237 	.parts		= da850_evm_nandflash_partition,
238 	.nr_parts	= ARRAY_SIZE(da850_evm_nandflash_partition),
239 	.engine_type	= NAND_ECC_ENGINE_TYPE_ON_HOST,
240 	.ecc_bits	= 4,
241 	.bbt_options	= NAND_BBT_USE_FLASH,
242 	.timing		= &da850_evm_nandflash_timing,
243 };
244 
245 static struct resource da850_evm_nandflash_resource[] = {
246 	{
247 		.start	= DA8XX_AEMIF_CS3_BASE,
248 		.end	= DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
249 		.flags	= IORESOURCE_MEM,
250 	},
251 	{
252 		.start	= DA8XX_AEMIF_CTL_BASE,
253 		.end	= DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
254 		.flags	= IORESOURCE_MEM,
255 	},
256 };
257 
258 static struct resource da850_evm_aemif_resource[] = {
259 	{
260 		.start	= DA8XX_AEMIF_CTL_BASE,
261 		.end	= DA8XX_AEMIF_CTL_BASE + SZ_32K,
262 		.flags	= IORESOURCE_MEM,
263 	}
264 };
265 
266 static struct aemif_abus_data da850_evm_aemif_abus_data[] = {
267 	{
268 		.cs	= 3,
269 	}
270 };
271 
272 static struct platform_device da850_evm_aemif_devices[] = {
273 	{
274 		.name		= "davinci_nand",
275 		.id		= 1,
276 		.dev		= {
277 			.platform_data	= &da850_evm_nandflash_data,
278 		},
279 		.num_resources	= ARRAY_SIZE(da850_evm_nandflash_resource),
280 		.resource	= da850_evm_nandflash_resource,
281 	},
282 	{
283 		.name		= "physmap-flash",
284 		.id		= 0,
285 		.dev		= {
286 			.platform_data  = &da850_evm_norflash_data,
287 		},
288 		.num_resources	= 1,
289 		.resource	= da850_evm_norflash_resource,
290 	}
291 };
292 
293 static struct aemif_platform_data da850_evm_aemif_pdata = {
294 	.cs_offset = 2,
295 	.abus_data = da850_evm_aemif_abus_data,
296 	.num_abus_data = ARRAY_SIZE(da850_evm_aemif_abus_data),
297 	.sub_devices = da850_evm_aemif_devices,
298 	.num_sub_devices = ARRAY_SIZE(da850_evm_aemif_devices),
299 };
300 
301 static struct platform_device da850_evm_aemif_device = {
302 	.name		= "ti-aemif",
303 	.id		= -1,
304 	.dev = {
305 		.platform_data	= &da850_evm_aemif_pdata,
306 	},
307 	.resource	= da850_evm_aemif_resource,
308 	.num_resources	= ARRAY_SIZE(da850_evm_aemif_resource),
309 };
310 
311 static const short da850_evm_nand_pins[] = {
312 	DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
313 	DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
314 	DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
315 	DA850_NEMA_WE, DA850_NEMA_OE,
316 	-1
317 };
318 
319 static const short da850_evm_nor_pins[] = {
320 	DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
321 	DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
322 	DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
323 	DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
324 	DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
325 	DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
326 	DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
327 	DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
328 	DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
329 	DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
330 	DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
331 	DA850_EMA_A_22, DA850_EMA_A_23,
332 	-1
333 };
334 
335 #define HAS_MMC		IS_ENABLED(CONFIG_MMC_DAVINCI)
336 
da850_evm_setup_nor_nand(void)337 static inline void da850_evm_setup_nor_nand(void)
338 {
339 	int ret = 0;
340 
341 	if (!HAS_MMC) {
342 		ret = davinci_cfg_reg_list(da850_evm_nand_pins);
343 		if (ret)
344 			pr_warn("%s: NAND mux setup failed: %d\n",
345 				__func__, ret);
346 
347 		ret = davinci_cfg_reg_list(da850_evm_nor_pins);
348 		if (ret)
349 			pr_warn("%s: NOR mux setup failed: %d\n",
350 				__func__, ret);
351 
352 		ret = platform_device_register(&da850_evm_aemif_device);
353 		if (ret)
354 			pr_warn("%s: registering aemif failed: %d\n",
355 				__func__, ret);
356 	}
357 }
358 
359 #ifdef CONFIG_DA850_UI_RMII
da850_evm_setup_emac_rmii(int rmii_sel)360 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
361 {
362 	struct davinci_soc_info *soc_info = &davinci_soc_info;
363 
364 	soc_info->emac_pdata->rmii_en = 1;
365 	gpio_set_value_cansleep(rmii_sel, 0);
366 }
367 #else
da850_evm_setup_emac_rmii(int rmii_sel)368 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
369 #endif
370 
371 
372 #define DA850_KEYS_DEBOUNCE_MS	10
373 /*
374  * At 200ms polling interval it is possible to miss an
375  * event by tapping very lightly on the push button but most
376  * pushes do result in an event; longer intervals require the
377  * user to hold the button whereas shorter intervals require
378  * more CPU time for polling.
379  */
380 #define DA850_GPIO_KEYS_POLL_MS	200
381 
382 enum da850_evm_ui_exp_pins {
383 	DA850_EVM_UI_EXP_SEL_C = 5,
384 	DA850_EVM_UI_EXP_SEL_B,
385 	DA850_EVM_UI_EXP_SEL_A,
386 	DA850_EVM_UI_EXP_PB8,
387 	DA850_EVM_UI_EXP_PB7,
388 	DA850_EVM_UI_EXP_PB6,
389 	DA850_EVM_UI_EXP_PB5,
390 	DA850_EVM_UI_EXP_PB4,
391 	DA850_EVM_UI_EXP_PB3,
392 	DA850_EVM_UI_EXP_PB2,
393 	DA850_EVM_UI_EXP_PB1,
394 };
395 
396 static const char * const da850_evm_ui_exp[] = {
397 	[DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
398 	[DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
399 	[DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
400 	[DA850_EVM_UI_EXP_PB8]          = "pb8",
401 	[DA850_EVM_UI_EXP_PB7]          = "pb7",
402 	[DA850_EVM_UI_EXP_PB6]          = "pb6",
403 	[DA850_EVM_UI_EXP_PB5]          = "pb5",
404 	[DA850_EVM_UI_EXP_PB4]          = "pb4",
405 	[DA850_EVM_UI_EXP_PB3]          = "pb3",
406 	[DA850_EVM_UI_EXP_PB2]          = "pb2",
407 	[DA850_EVM_UI_EXP_PB1]          = "pb1",
408 };
409 
410 #define DA850_N_UI_PB		8
411 
412 static struct gpio_keys_button da850_evm_ui_keys[] = {
413 	[0 ... DA850_N_UI_PB - 1] = {
414 		.type			= EV_KEY,
415 		.active_low		= 1,
416 		.wakeup			= 0,
417 		.debounce_interval	= DA850_KEYS_DEBOUNCE_MS,
418 		.code			= -1, /* assigned at runtime */
419 		.gpio			= -1, /* assigned at runtime */
420 		.desc			= NULL, /* assigned at runtime */
421 	},
422 };
423 
424 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
425 	.buttons = da850_evm_ui_keys,
426 	.nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
427 	.poll_interval = DA850_GPIO_KEYS_POLL_MS,
428 };
429 
430 static struct platform_device da850_evm_ui_keys_device = {
431 	.name = "gpio-keys-polled",
432 	.id = 0,
433 	.dev = {
434 		.platform_data = &da850_evm_ui_keys_pdata
435 	},
436 };
437 
da850_evm_ui_keys_init(unsigned gpio)438 static void da850_evm_ui_keys_init(unsigned gpio)
439 {
440 	int i;
441 	struct gpio_keys_button *button;
442 
443 	for (i = 0; i < DA850_N_UI_PB; i++) {
444 		button = &da850_evm_ui_keys[i];
445 		button->code = KEY_F8 - i;
446 		button->desc = da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
447 		button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
448 	}
449 }
450 
451 #ifdef CONFIG_DA850_UI_SD_VIDEO_PORT
da850_evm_setup_video_port(int video_sel)452 static inline void da850_evm_setup_video_port(int video_sel)
453 {
454 	gpio_set_value_cansleep(video_sel, 0);
455 }
456 #else
da850_evm_setup_video_port(int video_sel)457 static inline void da850_evm_setup_video_port(int video_sel) { }
458 #endif
459 
da850_evm_ui_expander_setup(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)460 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
461 						unsigned ngpio, void *c)
462 {
463 	int sel_a, sel_b, sel_c, ret;
464 
465 	sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
466 	sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
467 	sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
468 
469 	ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
470 	if (ret) {
471 		pr_warn("Cannot open UI expander pin %d\n", sel_a);
472 		goto exp_setup_sela_fail;
473 	}
474 
475 	ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
476 	if (ret) {
477 		pr_warn("Cannot open UI expander pin %d\n", sel_b);
478 		goto exp_setup_selb_fail;
479 	}
480 
481 	ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
482 	if (ret) {
483 		pr_warn("Cannot open UI expander pin %d\n", sel_c);
484 		goto exp_setup_selc_fail;
485 	}
486 
487 	/* deselect all functionalities */
488 	gpio_direction_output(sel_a, 1);
489 	gpio_direction_output(sel_b, 1);
490 	gpio_direction_output(sel_c, 1);
491 
492 	da850_evm_ui_keys_init(gpio);
493 	ret = platform_device_register(&da850_evm_ui_keys_device);
494 	if (ret) {
495 		pr_warn("Could not register UI GPIO expander push-buttons");
496 		goto exp_setup_keys_fail;
497 	}
498 
499 	pr_info("DA850/OMAP-L138 EVM UI card detected\n");
500 
501 	da850_evm_setup_nor_nand();
502 
503 	da850_evm_setup_emac_rmii(sel_a);
504 
505 	da850_evm_setup_video_port(sel_c);
506 
507 	return 0;
508 
509 exp_setup_keys_fail:
510 	gpio_free(sel_c);
511 exp_setup_selc_fail:
512 	gpio_free(sel_b);
513 exp_setup_selb_fail:
514 	gpio_free(sel_a);
515 exp_setup_sela_fail:
516 	return ret;
517 }
518 
da850_evm_ui_expander_teardown(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)519 static void da850_evm_ui_expander_teardown(struct i2c_client *client,
520 					   unsigned gpio, unsigned ngpio, void *c)
521 {
522 	platform_device_unregister(&da850_evm_ui_keys_device);
523 
524 	/* deselect all functionalities */
525 	gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
526 	gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
527 	gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
528 
529 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
530 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
531 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
532 }
533 
534 /* assign the baseboard expander's GPIOs after the UI board's */
535 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
536 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
537 
538 enum da850_evm_bb_exp_pins {
539 	DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
540 	DA850_EVM_BB_EXP_SW_RST,
541 	DA850_EVM_BB_EXP_TP_23,
542 	DA850_EVM_BB_EXP_TP_22,
543 	DA850_EVM_BB_EXP_TP_21,
544 	DA850_EVM_BB_EXP_USER_PB1,
545 	DA850_EVM_BB_EXP_USER_LED2,
546 	DA850_EVM_BB_EXP_USER_LED1,
547 	DA850_EVM_BB_EXP_USER_SW1,
548 	DA850_EVM_BB_EXP_USER_SW2,
549 	DA850_EVM_BB_EXP_USER_SW3,
550 	DA850_EVM_BB_EXP_USER_SW4,
551 	DA850_EVM_BB_EXP_USER_SW5,
552 	DA850_EVM_BB_EXP_USER_SW6,
553 	DA850_EVM_BB_EXP_USER_SW7,
554 	DA850_EVM_BB_EXP_USER_SW8
555 };
556 
557 static const char * const da850_evm_bb_exp[] = {
558 	[DA850_EVM_BB_EXP_DEEP_SLEEP_EN]	= "deep_sleep_en",
559 	[DA850_EVM_BB_EXP_SW_RST]		= "sw_rst",
560 	[DA850_EVM_BB_EXP_TP_23]		= "tp_23",
561 	[DA850_EVM_BB_EXP_TP_22]		= "tp_22",
562 	[DA850_EVM_BB_EXP_TP_21]		= "tp_21",
563 	[DA850_EVM_BB_EXP_USER_PB1]		= "user_pb1",
564 	[DA850_EVM_BB_EXP_USER_LED2]		= "user_led2",
565 	[DA850_EVM_BB_EXP_USER_LED1]		= "user_led1",
566 	[DA850_EVM_BB_EXP_USER_SW1]		= "user_sw1",
567 	[DA850_EVM_BB_EXP_USER_SW2]		= "user_sw2",
568 	[DA850_EVM_BB_EXP_USER_SW3]		= "user_sw3",
569 	[DA850_EVM_BB_EXP_USER_SW4]		= "user_sw4",
570 	[DA850_EVM_BB_EXP_USER_SW5]		= "user_sw5",
571 	[DA850_EVM_BB_EXP_USER_SW6]		= "user_sw6",
572 	[DA850_EVM_BB_EXP_USER_SW7]		= "user_sw7",
573 	[DA850_EVM_BB_EXP_USER_SW8]		= "user_sw8",
574 };
575 
576 #define DA850_N_BB_USER_SW	8
577 
578 static struct gpio_keys_button da850_evm_bb_keys[] = {
579 	[0] = {
580 		.type			= EV_KEY,
581 		.active_low		= 1,
582 		.wakeup			= 0,
583 		.debounce_interval	= DA850_KEYS_DEBOUNCE_MS,
584 		.code			= KEY_PROG1,
585 		.desc			= NULL, /* assigned at runtime */
586 		.gpio			= -1, /* assigned at runtime */
587 	},
588 	[1 ... DA850_N_BB_USER_SW] = {
589 		.type			= EV_SW,
590 		.active_low		= 1,
591 		.wakeup			= 0,
592 		.debounce_interval	= DA850_KEYS_DEBOUNCE_MS,
593 		.code			= -1, /* assigned at runtime */
594 		.desc			= NULL, /* assigned at runtime */
595 		.gpio			= -1, /* assigned at runtime */
596 	},
597 };
598 
599 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
600 	.buttons = da850_evm_bb_keys,
601 	.nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
602 	.poll_interval = DA850_GPIO_KEYS_POLL_MS,
603 };
604 
605 static struct platform_device da850_evm_bb_keys_device = {
606 	.name = "gpio-keys-polled",
607 	.id = 1,
608 	.dev = {
609 		.platform_data = &da850_evm_bb_keys_pdata
610 	},
611 };
612 
da850_evm_bb_keys_init(unsigned gpio)613 static void da850_evm_bb_keys_init(unsigned gpio)
614 {
615 	int i;
616 	struct gpio_keys_button *button;
617 
618 	button = &da850_evm_bb_keys[0];
619 	button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
620 	button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
621 
622 	for (i = 0; i < DA850_N_BB_USER_SW; i++) {
623 		button = &da850_evm_bb_keys[i + 1];
624 		button->code = SW_LID + i;
625 		button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
626 		button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
627 	}
628 }
629 
630 static struct gpio_led da850_evm_bb_leds[] = {
631 	{
632 		.name = "user_led2",
633 	},
634 	{
635 		.name = "user_led1",
636 	},
637 };
638 
639 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
640 	.leds = da850_evm_bb_leds,
641 	.num_leds = ARRAY_SIZE(da850_evm_bb_leds),
642 };
643 
644 static struct gpiod_lookup_table da850_evm_bb_leds_gpio_table = {
645 	.dev_id = "leds-gpio",
646 	.table = {
647 		GPIO_LOOKUP_IDX("i2c-bb-expander",
648 				DA850_EVM_BB_EXP_USER_LED2, NULL,
649 				0, GPIO_ACTIVE_LOW),
650 		GPIO_LOOKUP_IDX("i2c-bb-expander",
651 				DA850_EVM_BB_EXP_USER_LED2 + 1, NULL,
652 				1, GPIO_ACTIVE_LOW),
653 
654 		{ },
655 	},
656 };
657 
658 static struct platform_device da850_evm_bb_leds_device = {
659 	.name		= "leds-gpio",
660 	.id		= -1,
661 	.dev = {
662 		.platform_data = &da850_evm_bb_leds_pdata
663 	}
664 };
665 
da850_evm_bb_expander_setup(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)666 static int da850_evm_bb_expander_setup(struct i2c_client *client,
667 						unsigned gpio, unsigned ngpio,
668 						void *c)
669 {
670 	int ret;
671 
672 	/*
673 	 * Register the switches and pushbutton on the baseboard as a gpio-keys
674 	 * device.
675 	 */
676 	da850_evm_bb_keys_init(gpio);
677 	ret = platform_device_register(&da850_evm_bb_keys_device);
678 	if (ret) {
679 		pr_warn("Could not register baseboard GPIO expander keys");
680 		goto io_exp_setup_sw_fail;
681 	}
682 
683 	gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table);
684 	ret = platform_device_register(&da850_evm_bb_leds_device);
685 	if (ret) {
686 		pr_warn("Could not register baseboard GPIO expander LEDs");
687 		goto io_exp_setup_leds_fail;
688 	}
689 
690 	return 0;
691 
692 io_exp_setup_leds_fail:
693 	platform_device_unregister(&da850_evm_bb_keys_device);
694 io_exp_setup_sw_fail:
695 	return ret;
696 }
697 
da850_evm_bb_expander_teardown(struct i2c_client * client,unsigned gpio,unsigned ngpio,void * c)698 static void da850_evm_bb_expander_teardown(struct i2c_client *client,
699 					   unsigned gpio, unsigned ngpio, void *c)
700 {
701 	platform_device_unregister(&da850_evm_bb_leds_device);
702 	platform_device_unregister(&da850_evm_bb_keys_device);
703 }
704 
705 static struct pca953x_platform_data da850_evm_ui_expander_info = {
706 	.gpio_base	= DAVINCI_N_GPIO,
707 	.setup		= da850_evm_ui_expander_setup,
708 	.teardown	= da850_evm_ui_expander_teardown,
709 	.names		= da850_evm_ui_exp,
710 };
711 
712 static struct pca953x_platform_data da850_evm_bb_expander_info = {
713 	.gpio_base	= DA850_BB_EXPANDER_GPIO_BASE,
714 	.setup		= da850_evm_bb_expander_setup,
715 	.teardown	= da850_evm_bb_expander_teardown,
716 	.names		= da850_evm_bb_exp,
717 };
718 
719 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
720 	{
721 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
722 	},
723 	{
724 		I2C_BOARD_INFO("tca6416", 0x20),
725 		.dev_name = "ui-expander",
726 		.platform_data = &da850_evm_ui_expander_info,
727 	},
728 	{
729 		I2C_BOARD_INFO("tca6416", 0x21),
730 		.dev_name = "bb-expander",
731 		.platform_data = &da850_evm_bb_expander_info,
732 	},
733 };
734 
735 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
736 	.bus_freq	= 100,	/* kHz */
737 	.bus_delay	= 0,	/* usec */
738 };
739 
740 /* davinci da850 evm audio machine driver */
741 static u8 da850_iis_serializer_direction[] = {
742 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
743 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
744 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	TX_MODE,
745 	RX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
746 };
747 
748 static struct snd_platform_data da850_evm_snd_data = {
749 	.tx_dma_offset		= 0x2000,
750 	.rx_dma_offset		= 0x2000,
751 	.op_mode		= DAVINCI_MCASP_IIS_MODE,
752 	.num_serializer		= ARRAY_SIZE(da850_iis_serializer_direction),
753 	.tdm_slots		= 2,
754 	.serial_dir		= da850_iis_serializer_direction,
755 	.asp_chan_q		= EVENTQ_0,
756 	.ram_chan_q		= EVENTQ_1,
757 	.version		= MCASP_VERSION_2,
758 	.txnumevt		= 1,
759 	.rxnumevt		= 1,
760 	.sram_size_playback	= SZ_8K,
761 	.sram_size_capture	= SZ_8K,
762 };
763 
764 static const short da850_evm_mcasp_pins[] __initconst = {
765 	DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
766 	DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
767 	DA850_AXR_11, DA850_AXR_12,
768 	-1
769 };
770 
771 #define DA850_MMCSD_CD_PIN		GPIO_TO_PIN(4, 0)
772 #define DA850_MMCSD_WP_PIN		GPIO_TO_PIN(4, 1)
773 
774 static struct gpiod_lookup_table mmc_gpios_table = {
775 	.dev_id = "da830-mmc.0",
776 	.table = {
777 		/* gpio chip 2 contains gpio range 64-95 */
778 		GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_CD_PIN, "cd",
779 			    GPIO_ACTIVE_LOW),
780 		GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_WP_PIN, "wp",
781 			    GPIO_ACTIVE_HIGH),
782 		{ }
783 	},
784 };
785 
786 static struct davinci_mmc_config da850_mmc_config = {
787 	.wires		= 4,
788 	.max_freq	= 50000000,
789 	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
790 };
791 
792 static const short da850_evm_mmcsd0_pins[] __initconst = {
793 	DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
794 	DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
795 	DA850_GPIO4_0, DA850_GPIO4_1,
796 	-1
797 };
798 
799 static struct property_entry da850_lcd_backlight_props[] = {
800 	PROPERTY_ENTRY_BOOL("default-on"),
801 	{ }
802 };
803 
804 static struct gpiod_lookup_table da850_lcd_backlight_gpio_table = {
805 	.dev_id		= "gpio-backlight",
806 	.table = {
807 		GPIO_LOOKUP("davinci_gpio", DA850_LCD_BL_PIN, NULL, 0),
808 		{ }
809 	},
810 };
811 
812 static const struct platform_device_info da850_lcd_backlight_info = {
813 	.name		= "gpio-backlight",
814 	.id		= PLATFORM_DEVID_NONE,
815 	.properties	= da850_lcd_backlight_props,
816 };
817 
818 static struct regulator_consumer_supply da850_lcd_supplies[] = {
819 	REGULATOR_SUPPLY("lcd", NULL),
820 };
821 
822 static struct regulator_init_data da850_lcd_supply_data = {
823 	.consumer_supplies	= da850_lcd_supplies,
824 	.num_consumer_supplies	= ARRAY_SIZE(da850_lcd_supplies),
825 	.constraints    = {
826 		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
827 	},
828 };
829 
830 static struct fixed_voltage_config da850_lcd_supply = {
831 	.supply_name		= "lcd",
832 	.microvolts		= 33000000,
833 	.init_data		= &da850_lcd_supply_data,
834 };
835 
836 static struct platform_device da850_lcd_supply_device = {
837 	.name			= "reg-fixed-voltage",
838 	.id			= 1, /* Dummy fixed regulator is 0 */
839 	.dev			= {
840 		.platform_data = &da850_lcd_supply,
841 	},
842 };
843 
844 static struct gpiod_lookup_table da850_lcd_supply_gpio_table = {
845 	.dev_id			= "reg-fixed-voltage.1",
846 	.table = {
847 		GPIO_LOOKUP("davinci_gpio", DA850_LCD_PWR_PIN, NULL, 0),
848 		{ }
849 	},
850 };
851 
852 static struct gpiod_lookup_table *da850_lcd_gpio_lookups[] = {
853 	&da850_lcd_backlight_gpio_table,
854 	&da850_lcd_supply_gpio_table,
855 };
856 
da850_lcd_hw_init(void)857 static int da850_lcd_hw_init(void)
858 {
859 	struct platform_device *backlight;
860 	int status;
861 
862 	gpiod_add_lookup_tables(da850_lcd_gpio_lookups,
863 				ARRAY_SIZE(da850_lcd_gpio_lookups));
864 
865 	backlight = platform_device_register_full(&da850_lcd_backlight_info);
866 	if (IS_ERR(backlight))
867 		return PTR_ERR(backlight);
868 
869 	status = platform_device_register(&da850_lcd_supply_device);
870 	if (status)
871 		return status;
872 
873 	return 0;
874 }
875 
876 /* Fixed regulator support */
877 static struct regulator_consumer_supply fixed_supplies[] = {
878 	/* Baseboard 3.3V: 5V -> TPS73701DCQ -> 3.3V */
879 	REGULATOR_SUPPLY("AVDD", "1-0018"),
880 	REGULATOR_SUPPLY("DRVDD", "1-0018"),
881 
882 	/* Baseboard 1.8V: 5V -> TPS73701DCQ -> 1.8V */
883 	REGULATOR_SUPPLY("DVDD", "1-0018"),
884 
885 	/* UI card 3.3V: 5V -> TPS73701DCQ -> 3.3V */
886 	REGULATOR_SUPPLY("vcc", "1-0020"),
887 };
888 
889 /* TPS65070 voltage regulator support */
890 
891 /* 3.3V */
892 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
893 	{
894 		.supply = "usb0_vdda33",
895 	},
896 	{
897 		.supply = "usb1_vdda33",
898 	},
899 };
900 
901 /* 3.3V or 1.8V */
902 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
903 	{
904 		.supply = "dvdd3318_a",
905 	},
906 	{
907 		.supply = "dvdd3318_b",
908 	},
909 	{
910 		.supply = "dvdd3318_c",
911 	},
912 	REGULATOR_SUPPLY("IOVDD", "1-0018"),
913 };
914 
915 /* 1.2V */
916 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
917 	{
918 		.supply = "cvdd",
919 	},
920 };
921 
922 /* 1.8V LDO */
923 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
924 	{
925 		.supply = "sata_vddr",
926 	},
927 	{
928 		.supply = "usb0_vdda18",
929 	},
930 	{
931 		.supply = "usb1_vdda18",
932 	},
933 	{
934 		.supply = "ddr_dvdd18",
935 	},
936 };
937 
938 /* 1.2V LDO */
939 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
940 	{
941 		.supply = "sata_vdd",
942 	},
943 	{
944 		.supply = "pll0_vdda",
945 	},
946 	{
947 		.supply = "pll1_vdda",
948 	},
949 	{
950 		.supply = "usbs_cvdd",
951 	},
952 	{
953 		.supply = "vddarnwa1",
954 	},
955 };
956 
957 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
958 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
959 	.defdcdc_default = true,
960 };
961 
962 static struct regulator_init_data tps65070_regulator_data[] = {
963 	/* dcdc1 */
964 	{
965 		.constraints = {
966 			.min_uV = 3150000,
967 			.max_uV = 3450000,
968 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
969 				REGULATOR_CHANGE_STATUS),
970 			.boot_on = 1,
971 		},
972 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
973 		.consumer_supplies = tps65070_dcdc1_consumers,
974 	},
975 
976 	/* dcdc2 */
977 	{
978 		.constraints = {
979 			.min_uV = 1710000,
980 			.max_uV = 3450000,
981 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
982 				REGULATOR_CHANGE_STATUS),
983 			.boot_on = 1,
984 			.always_on = 1,
985 		},
986 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
987 		.consumer_supplies = tps65070_dcdc2_consumers,
988 		.driver_data = &tps6507x_platform_data,
989 	},
990 
991 	/* dcdc3 */
992 	{
993 		.constraints = {
994 			.min_uV = 950000,
995 			.max_uV = 1350000,
996 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
997 				REGULATOR_CHANGE_STATUS),
998 			.boot_on = 1,
999 		},
1000 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
1001 		.consumer_supplies = tps65070_dcdc3_consumers,
1002 		.driver_data = &tps6507x_platform_data,
1003 	},
1004 
1005 	/* ldo1 */
1006 	{
1007 		.constraints = {
1008 			.min_uV = 1710000,
1009 			.max_uV = 1890000,
1010 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1011 				REGULATOR_CHANGE_STATUS),
1012 			.boot_on = 1,
1013 		},
1014 		.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
1015 		.consumer_supplies = tps65070_ldo1_consumers,
1016 	},
1017 
1018 	/* ldo2 */
1019 	{
1020 		.constraints = {
1021 			.min_uV = 1140000,
1022 			.max_uV = 1320000,
1023 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1024 				REGULATOR_CHANGE_STATUS),
1025 			.boot_on = 1,
1026 		},
1027 		.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
1028 		.consumer_supplies = tps65070_ldo2_consumers,
1029 	},
1030 };
1031 
1032 static struct touchscreen_init_data tps6507x_touchscreen_data = {
1033 	.poll_period =  30,	/* ms between touch samples */
1034 	.min_pressure = 0x30,	/* minimum pressure to trigger touch */
1035 	.vendor = 0,		/* /sys/class/input/input?/id/vendor */
1036 	.product = 65070,	/* /sys/class/input/input?/id/product */
1037 	.version = 0x100,	/* /sys/class/input/input?/id/version */
1038 };
1039 
1040 static struct tps6507x_board tps_board = {
1041 	.tps6507x_pmic_init_data = &tps65070_regulator_data[0],
1042 	.tps6507x_ts_init_data = &tps6507x_touchscreen_data,
1043 };
1044 
1045 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
1046 	{
1047 		I2C_BOARD_INFO("tps6507x", 0x48),
1048 		.platform_data = &tps_board,
1049 	},
1050 };
1051 
pmic_tps65070_init(void)1052 static int __init pmic_tps65070_init(void)
1053 {
1054 	return i2c_register_board_info(1, da850_evm_tps65070_info,
1055 					ARRAY_SIZE(da850_evm_tps65070_info));
1056 }
1057 
1058 static const short da850_evm_lcdc_pins[] = {
1059 	DA850_GPIO2_8, DA850_GPIO2_15,
1060 	-1
1061 };
1062 
1063 static const short da850_evm_mii_pins[] = {
1064 	DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1065 	DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1066 	DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1067 	DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1068 	DA850_MDIO_D,
1069 	-1
1070 };
1071 
1072 static const short da850_evm_rmii_pins[] = {
1073 	DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1074 	DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1075 	DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1076 	DA850_MDIO_D,
1077 	-1
1078 };
1079 
1080 static struct gpiod_hog da850_evm_emac_gpio_hogs[] = {
1081 	{
1082 		.chip_label	= "davinci_gpio",
1083 		.chip_hwnum	= DA850_MII_MDIO_CLKEN_PIN,
1084 		.line_name	= "mdio_clk_en",
1085 		.lflags		= 0,
1086 		/* dflags set in da850_evm_config_emac() */
1087 	},
1088 	{ }
1089 };
1090 
da850_evm_config_emac(void)1091 static int __init da850_evm_config_emac(void)
1092 {
1093 	void __iomem *cfg_chip3_base;
1094 	int ret;
1095 	u32 val;
1096 	struct davinci_soc_info *soc_info = &davinci_soc_info;
1097 	u8 rmii_en;
1098 
1099 	if (!machine_is_davinci_da850_evm())
1100 		return 0;
1101 
1102 	rmii_en = soc_info->emac_pdata->rmii_en;
1103 
1104 	cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1105 
1106 	val = __raw_readl(cfg_chip3_base);
1107 
1108 	if (rmii_en) {
1109 		val |= BIT(8);
1110 		ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1111 		pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1112 							" functional\n");
1113 	} else {
1114 		val &= ~BIT(8);
1115 		ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1116 		pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1117 							" functional\n");
1118 	}
1119 
1120 	if (ret)
1121 		pr_warn("%s: CPGMAC/RMII mux setup failed: %d\n",
1122 			__func__, ret);
1123 
1124 	/* configure the CFGCHIP3 register for RMII or MII */
1125 	__raw_writel(val, cfg_chip3_base);
1126 
1127 	ret = davinci_cfg_reg(DA850_GPIO2_6);
1128 	if (ret)
1129 		pr_warn("%s:GPIO(2,6) mux setup failed\n", __func__);
1130 
1131 	da850_evm_emac_gpio_hogs[0].dflags = rmii_en ? GPIOD_OUT_HIGH
1132 						     : GPIOD_OUT_LOW;
1133 	gpiod_add_hogs(da850_evm_emac_gpio_hogs);
1134 
1135 	soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1136 
1137 	ret = da8xx_register_emac();
1138 	if (ret)
1139 		pr_warn("%s: EMAC registration failed: %d\n", __func__, ret);
1140 
1141 	return 0;
1142 }
1143 device_initcall(da850_evm_config_emac);
1144 
1145 /*
1146  * The following EDMA channels/slots are not being used by drivers (for
1147  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1148  * they are being reserved for codecs on the DSP side.
1149  */
1150 static const s16 da850_dma0_rsv_chans[][2] = {
1151 	/* (offset, number) */
1152 	{ 8,  6},
1153 	{24,  4},
1154 	{30,  2},
1155 	{-1, -1}
1156 };
1157 
1158 static const s16 da850_dma0_rsv_slots[][2] = {
1159 	/* (offset, number) */
1160 	{ 8,  6},
1161 	{24,  4},
1162 	{30, 50},
1163 	{-1, -1}
1164 };
1165 
1166 static const s16 da850_dma1_rsv_chans[][2] = {
1167 	/* (offset, number) */
1168 	{ 0, 28},
1169 	{30,  2},
1170 	{-1, -1}
1171 };
1172 
1173 static const s16 da850_dma1_rsv_slots[][2] = {
1174 	/* (offset, number) */
1175 	{ 0, 28},
1176 	{30, 90},
1177 	{-1, -1}
1178 };
1179 
1180 static struct edma_rsv_info da850_edma_cc0_rsv = {
1181 	.rsv_chans	= da850_dma0_rsv_chans,
1182 	.rsv_slots	= da850_dma0_rsv_slots,
1183 };
1184 
1185 static struct edma_rsv_info da850_edma_cc1_rsv = {
1186 	.rsv_chans	= da850_dma1_rsv_chans,
1187 	.rsv_slots	= da850_dma1_rsv_slots,
1188 };
1189 
1190 static struct edma_rsv_info *da850_edma_rsv[2] = {
1191 	&da850_edma_cc0_rsv,
1192 	&da850_edma_cc1_rsv,
1193 };
1194 
1195 #ifdef CONFIG_CPU_FREQ
da850_evm_init_cpufreq(void)1196 static __init int da850_evm_init_cpufreq(void)
1197 {
1198 	switch (system_rev & 0xF) {
1199 	case 3:
1200 		da850_max_speed = 456000;
1201 		break;
1202 	case 2:
1203 		da850_max_speed = 408000;
1204 		break;
1205 	case 1:
1206 		da850_max_speed = 372000;
1207 		break;
1208 	}
1209 
1210 	return da850_register_cpufreq("pll0_sysclk3");
1211 }
1212 #else
da850_evm_init_cpufreq(void)1213 static __init int da850_evm_init_cpufreq(void) { return 0; }
1214 #endif
1215 
1216 #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT)
1217 
1218 #define TVP5147_CH0		"tvp514x-0"
1219 #define TVP5147_CH1		"tvp514x-1"
1220 
1221 /* VPIF capture configuration */
1222 static struct tvp514x_platform_data tvp5146_pdata = {
1223 		.clk_polarity = 0,
1224 		.hs_polarity  = 1,
1225 		.vs_polarity  = 1,
1226 };
1227 
1228 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
1229 
1230 static struct vpif_input da850_ch0_inputs[] = {
1231 	{
1232 		.input = {
1233 			.index = 0,
1234 			.name  = "Composite",
1235 			.type  = V4L2_INPUT_TYPE_CAMERA,
1236 			.capabilities = V4L2_IN_CAP_STD,
1237 			.std   = TVP514X_STD_ALL,
1238 		},
1239 		.input_route = INPUT_CVBS_VI2B,
1240 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1241 		.subdev_name = TVP5147_CH0,
1242 	},
1243 };
1244 
1245 static struct vpif_input da850_ch1_inputs[] = {
1246 	{
1247 		.input = {
1248 			.index = 0,
1249 			.name  = "S-Video",
1250 			.type  = V4L2_INPUT_TYPE_CAMERA,
1251 			.capabilities = V4L2_IN_CAP_STD,
1252 			.std   = TVP514X_STD_ALL,
1253 		},
1254 		.input_route = INPUT_SVIDEO_VI2C_VI1C,
1255 		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1256 		.subdev_name = TVP5147_CH1,
1257 	},
1258 };
1259 
1260 static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = {
1261 	{
1262 		.name = TVP5147_CH0,
1263 		.board_info = {
1264 			I2C_BOARD_INFO("tvp5146", 0x5d),
1265 			.platform_data = &tvp5146_pdata,
1266 		},
1267 	},
1268 	{
1269 		.name = TVP5147_CH1,
1270 		.board_info = {
1271 			I2C_BOARD_INFO("tvp5146", 0x5c),
1272 			.platform_data = &tvp5146_pdata,
1273 		},
1274 	},
1275 };
1276 
1277 static struct vpif_capture_config da850_vpif_capture_config = {
1278 	.subdev_info = da850_vpif_capture_sdev_info,
1279 	.subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info),
1280 	.i2c_adapter_id = 1,
1281 	.chan_config[0] = {
1282 		.inputs = da850_ch0_inputs,
1283 		.input_count = ARRAY_SIZE(da850_ch0_inputs),
1284 		.vpif_if = {
1285 			.if_type = VPIF_IF_BT656,
1286 			.hd_pol  = 1,
1287 			.vd_pol  = 1,
1288 			.fid_pol = 0,
1289 		},
1290 	},
1291 	.chan_config[1] = {
1292 		.inputs = da850_ch1_inputs,
1293 		.input_count = ARRAY_SIZE(da850_ch1_inputs),
1294 		.vpif_if = {
1295 			.if_type = VPIF_IF_BT656,
1296 			.hd_pol  = 1,
1297 			.vd_pol  = 1,
1298 			.fid_pol = 0,
1299 		},
1300 	},
1301 	.card_name = "DA850/OMAP-L138 Video Capture",
1302 };
1303 
1304 /* VPIF display configuration */
1305 
1306 static struct adv7343_platform_data adv7343_pdata = {
1307 	.mode_config = {
1308 		.dac = { 1, 1, 1 },
1309 	},
1310 	.sd_config = {
1311 		.sd_dac_out = { 1 },
1312 	},
1313 };
1314 
1315 static struct vpif_subdev_info da850_vpif_subdev[] = {
1316 	{
1317 		.name = "adv7343",
1318 		.board_info = {
1319 			I2C_BOARD_INFO("adv7343", 0x2a),
1320 			.platform_data = &adv7343_pdata,
1321 		},
1322 	},
1323 };
1324 
1325 static const struct vpif_output da850_ch0_outputs[] = {
1326 	{
1327 		.output = {
1328 			.index = 0,
1329 			.name = "Composite",
1330 			.type = V4L2_OUTPUT_TYPE_ANALOG,
1331 			.capabilities = V4L2_OUT_CAP_STD,
1332 			.std = V4L2_STD_ALL,
1333 		},
1334 		.subdev_name = "adv7343",
1335 		.output_route = ADV7343_COMPOSITE_ID,
1336 	},
1337 	{
1338 		.output = {
1339 			.index = 1,
1340 			.name = "S-Video",
1341 			.type = V4L2_OUTPUT_TYPE_ANALOG,
1342 			.capabilities = V4L2_OUT_CAP_STD,
1343 			.std = V4L2_STD_ALL,
1344 		},
1345 		.subdev_name = "adv7343",
1346 		.output_route = ADV7343_SVIDEO_ID,
1347 	},
1348 };
1349 
1350 static struct vpif_display_config da850_vpif_display_config = {
1351 	.subdevinfo   = da850_vpif_subdev,
1352 	.subdev_count = ARRAY_SIZE(da850_vpif_subdev),
1353 	.chan_config[0] = {
1354 		.outputs = da850_ch0_outputs,
1355 		.output_count = ARRAY_SIZE(da850_ch0_outputs),
1356 	},
1357 	.card_name    = "DA850/OMAP-L138 Video Display",
1358 	.i2c_adapter_id = 1,
1359 };
1360 
da850_vpif_init(void)1361 static __init void da850_vpif_init(void)
1362 {
1363 	int ret;
1364 
1365 	ret = da850_register_vpif();
1366 	if (ret)
1367 		pr_warn("da850_evm_init: VPIF setup failed: %d\n", ret);
1368 
1369 	ret = davinci_cfg_reg_list(da850_vpif_capture_pins);
1370 	if (ret)
1371 		pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n",
1372 			ret);
1373 
1374 	ret = da850_register_vpif_capture(&da850_vpif_capture_config);
1375 	if (ret)
1376 		pr_warn("da850_evm_init: VPIF capture setup failed: %d\n", ret);
1377 
1378 	ret = davinci_cfg_reg_list(da850_vpif_display_pins);
1379 	if (ret)
1380 		pr_warn("da850_evm_init: VPIF display mux setup failed: %d\n",
1381 			ret);
1382 
1383 	ret = da850_register_vpif_display(&da850_vpif_display_config);
1384 	if (ret)
1385 		pr_warn("da850_evm_init: VPIF display setup failed: %d\n", ret);
1386 }
1387 
1388 #else
da850_vpif_init(void)1389 static __init void da850_vpif_init(void) {}
1390 #endif
1391 
1392 #define DA850EVM_SATA_REFCLKPN_RATE	(100 * 1000 * 1000)
1393 
da850_evm_init(void)1394 static __init void da850_evm_init(void)
1395 {
1396 	int ret;
1397 
1398 	da850_register_clocks();
1399 
1400 	ret = da850_register_gpio();
1401 	if (ret)
1402 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
1403 
1404 	regulator_register_fixed(0, fixed_supplies, ARRAY_SIZE(fixed_supplies));
1405 
1406 	ret = pmic_tps65070_init();
1407 	if (ret)
1408 		pr_warn("%s: TPS65070 PMIC init failed: %d\n", __func__, ret);
1409 
1410 	ret = da850_register_edma(da850_edma_rsv);
1411 	if (ret)
1412 		pr_warn("%s: EDMA registration failed: %d\n", __func__, ret);
1413 
1414 	ret = davinci_cfg_reg_list(da850_i2c0_pins);
1415 	if (ret)
1416 		pr_warn("%s: I2C0 mux setup failed: %d\n", __func__, ret);
1417 
1418 	ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1419 	if (ret)
1420 		pr_warn("%s: I2C0 registration failed: %d\n", __func__, ret);
1421 
1422 
1423 	ret = da8xx_register_watchdog();
1424 	if (ret)
1425 		pr_warn("%s: watchdog registration failed: %d\n",
1426 			__func__, ret);
1427 
1428 	if (HAS_MMC) {
1429 		ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1430 		if (ret)
1431 			pr_warn("%s: MMCSD0 mux setup failed: %d\n",
1432 				__func__, ret);
1433 
1434 		gpiod_add_lookup_table(&mmc_gpios_table);
1435 
1436 		ret = da8xx_register_mmcsd0(&da850_mmc_config);
1437 		if (ret)
1438 			pr_warn("%s: MMCSD0 registration failed: %d\n",
1439 				__func__, ret);
1440 	}
1441 
1442 	davinci_serial_init(da8xx_serial_device);
1443 
1444 	nvmem_add_cell_table(&da850evm_nvmem_cell_table);
1445 	nvmem_add_cell_lookups(&da850evm_nvmem_cell_lookup, 1);
1446 
1447 	i2c_register_board_info(1, da850_evm_i2c_devices,
1448 			ARRAY_SIZE(da850_evm_i2c_devices));
1449 
1450 	/*
1451 	 * shut down uart 0 and 1; they are not used on the board and
1452 	 * accessing them causes endless "too much work in irq53" messages
1453 	 * with arago fs
1454 	 */
1455 	__raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1456 	__raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1457 
1458 	ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1459 	if (ret)
1460 		pr_warn("%s: McASP mux setup failed: %d\n", __func__, ret);
1461 
1462 	da850_evm_snd_data.sram_pool = sram_get_gen_pool();
1463 	da8xx_register_mcasp(0, &da850_evm_snd_data);
1464 
1465 	ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1466 	if (ret)
1467 		pr_warn("%s: LCDC mux setup failed: %d\n", __func__, ret);
1468 
1469 	ret = da8xx_register_uio_pruss();
1470 	if (ret)
1471 		pr_warn("da850_evm_init: pruss initialization failed: %d\n",
1472 				ret);
1473 
1474 	/* Handle board specific muxing for LCD here */
1475 	ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1476 	if (ret)
1477 		pr_warn("%s: EVM specific LCD mux setup failed: %d\n",
1478 			__func__, ret);
1479 
1480 	ret = da850_lcd_hw_init();
1481 	if (ret)
1482 		pr_warn("%s: LCD initialization failed: %d\n", __func__, ret);
1483 
1484 	ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1485 	if (ret)
1486 		pr_warn("%s: LCDC registration failed: %d\n", __func__, ret);
1487 
1488 	ret = da8xx_register_rtc();
1489 	if (ret)
1490 		pr_warn("%s: RTC setup failed: %d\n", __func__, ret);
1491 
1492 	ret = da850_evm_init_cpufreq();
1493 	if (ret)
1494 		pr_warn("%s: cpufreq registration failed: %d\n", __func__, ret);
1495 
1496 	ret = da8xx_register_cpuidle();
1497 	if (ret)
1498 		pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret);
1499 
1500 	davinci_pm_init();
1501 	da850_vpif_init();
1502 
1503 	ret = spi_register_board_info(da850evm_spi_info,
1504 				      ARRAY_SIZE(da850evm_spi_info));
1505 	if (ret)
1506 		pr_warn("%s: spi info registration failed: %d\n", __func__,
1507 			ret);
1508 
1509 	ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info));
1510 	if (ret)
1511 		pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret);
1512 
1513 	ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1514 	if (ret)
1515 		pr_warn("%s: SATA registration failed: %d\n", __func__, ret);
1516 
1517 	ret = da8xx_register_rproc();
1518 	if (ret)
1519 		pr_warn("%s: dsp/rproc registration failed: %d\n",
1520 			__func__, ret);
1521 
1522 	regulator_has_full_constraints();
1523 }
1524 
1525 #ifdef CONFIG_SERIAL_8250_CONSOLE
da850_evm_console_init(void)1526 static int __init da850_evm_console_init(void)
1527 {
1528 	if (!machine_is_davinci_da850_evm())
1529 		return 0;
1530 
1531 	return add_preferred_console("ttyS", 2, "115200");
1532 }
1533 console_initcall(da850_evm_console_init);
1534 #endif
1535 
da850_evm_map_io(void)1536 static void __init da850_evm_map_io(void)
1537 {
1538 	da850_init();
1539 }
1540 
1541 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1542 	.atag_offset	= 0x100,
1543 	.map_io		= da850_evm_map_io,
1544 	.init_irq	= da850_init_irq,
1545 	.init_time	= da850_init_time,
1546 	.init_machine	= da850_evm_init,
1547 	.init_late	= davinci_init_late,
1548 	.dma_zone_size	= SZ_128M,
1549 	.reserve	= da8xx_rproc_reserve_cma,
1550 MACHINE_END
1551