2 * TI DA850/OMAP-L138 EVM board
4 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
6 * Derived from: arch/arm/mach-davinci/board-da830-evm.c
7 * Original Copyrights follow:
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
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/at24.h>
24 #include <linux/platform_data/pca953x.h>
25 #include <linux/input.h>
26 #include <linux/input/tps6507x-ts.h>
27 #include <linux/mfd/tps6507x.h>
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/rawnand.h>
30 #include <linux/mtd/partitions.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/spi-davinci.h>
37 #include <linux/platform_data/uio_pruss.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>
44 #include <mach/common.h>
46 #include <mach/da8xx.h>
50 #include <asm/mach-types.h>
51 #include <asm/mach/arch.h>
52 #include <asm/system_info.h>
54 #include <media/i2c/tvp514x.h>
55 #include <media/i2c/adv7343.h>
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)
61 #define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
63 static struct mtd_partition da850evm_spiflash_part[] = {
68 .mask_flags = MTD_WRITEABLE,
72 .offset = MTDPART_OFS_APPEND,
74 .mask_flags = MTD_WRITEABLE,
78 .offset = MTDPART_OFS_APPEND,
80 .mask_flags = MTD_WRITEABLE,
84 .offset = MTDPART_OFS_APPEND,
85 .size = SZ_2M + SZ_512K,
90 .offset = MTDPART_OFS_APPEND,
95 .name = "MAC-Address",
96 .offset = SZ_8M - SZ_64K,
98 .mask_flags = MTD_WRITEABLE,
102 static struct flash_platform_data da850evm_spiflash_data = {
104 .parts = da850evm_spiflash_part,
105 .nr_parts = ARRAY_SIZE(da850evm_spiflash_part),
109 static struct davinci_spi_config da850evm_spiflash_cfg = {
110 .io_type = SPI_IO_TYPE_DMA,
115 static struct spi_board_info da850evm_spi_info[] = {
117 .modalias = "m25p80",
118 .platform_data = &da850evm_spiflash_data,
119 .controller_data = &da850evm_spiflash_cfg,
121 .max_speed_hz = 30000000,
128 static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
130 char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
133 if (!strcmp(mtd->name, "MAC-Address")) {
134 mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
135 if (retlen == ETH_ALEN)
136 pr_info("Read MAC addr from SPI Flash: %pM\n",
141 static struct mtd_notifier da850evm_spi_notifier = {
142 .add = da850_evm_m25p80_notify_add,
145 static void da850_evm_setup_mac_addr(void)
147 register_mtd_user(&da850evm_spi_notifier);
150 static void da850_evm_setup_mac_addr(void) { }
153 static struct mtd_partition da850_evm_norflash_partition[] = {
155 .name = "bootloaders + env",
158 .mask_flags = MTD_WRITEABLE,
162 .offset = MTDPART_OFS_APPEND,
167 .name = "filesystem",
168 .offset = MTDPART_OFS_APPEND,
169 .size = MTDPART_SIZ_FULL,
174 static struct physmap_flash_data da850_evm_norflash_data = {
176 .parts = da850_evm_norflash_partition,
177 .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition),
180 static struct resource da850_evm_norflash_resource[] = {
182 .start = DA8XX_AEMIF_CS2_BASE,
183 .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
184 .flags = IORESOURCE_MEM,
188 static struct platform_device da850_evm_norflash_device = {
189 .name = "physmap-flash",
192 .platform_data = &da850_evm_norflash_data,
195 .resource = da850_evm_norflash_resource,
198 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
199 * (128K blocks). It may be used instead of the (default) SPI flash
200 * to boot, using TI's tools to install the secondary boot loader
203 static struct mtd_partition da850_evm_nandflash_partition[] = {
205 .name = "u-boot env",
208 .mask_flags = MTD_WRITEABLE,
212 .offset = MTDPART_OFS_APPEND,
214 .mask_flags = MTD_WRITEABLE,
218 .offset = MTDPART_OFS_APPEND,
220 .mask_flags = MTD_WRITEABLE,
229 .name = "filesystem",
230 .offset = MTDPART_OFS_APPEND,
231 .size = MTDPART_SIZ_FULL,
236 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
246 static struct davinci_nand_pdata da850_evm_nandflash_data = {
247 .parts = da850_evm_nandflash_partition,
248 .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
249 .ecc_mode = NAND_ECC_HW,
251 .bbt_options = NAND_BBT_USE_FLASH,
252 .timing = &da850_evm_nandflash_timing,
255 static struct resource da850_evm_nandflash_resource[] = {
257 .start = DA8XX_AEMIF_CS3_BASE,
258 .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
259 .flags = IORESOURCE_MEM,
262 .start = DA8XX_AEMIF_CTL_BASE,
263 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
264 .flags = IORESOURCE_MEM,
268 static struct platform_device da850_evm_nandflash_device = {
269 .name = "davinci_nand",
272 .platform_data = &da850_evm_nandflash_data,
274 .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
275 .resource = da850_evm_nandflash_resource,
278 static struct platform_device *da850_evm_devices[] = {
279 &da850_evm_nandflash_device,
280 &da850_evm_norflash_device,
283 #define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
284 #define DA8XX_AEMIF_ASIZE_16BIT 0x1
286 static void __init da850_evm_init_nor(void)
288 void __iomem *aemif_addr;
290 aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
292 /* Configure data bus width of CS2 to 16 bit */
293 writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
294 DA8XX_AEMIF_ASIZE_16BIT,
295 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
300 static const short da850_evm_nand_pins[] = {
301 DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
302 DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
303 DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
304 DA850_NEMA_WE, DA850_NEMA_OE,
308 static const short da850_evm_nor_pins[] = {
309 DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
310 DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
311 DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
312 DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
313 DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
314 DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
315 DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
316 DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
317 DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
318 DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
319 DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
320 DA850_EMA_A_22, DA850_EMA_A_23,
324 #define HAS_MMC IS_ENABLED(CONFIG_MMC_DAVINCI)
326 static inline void da850_evm_setup_nor_nand(void)
331 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
333 pr_warn("%s: NAND mux setup failed: %d\n",
336 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
338 pr_warn("%s: NOR mux setup failed: %d\n",
341 da850_evm_init_nor();
343 platform_add_devices(da850_evm_devices,
344 ARRAY_SIZE(da850_evm_devices));
346 if (davinci_aemif_setup(&da850_evm_nandflash_device))
347 pr_warn("%s: Cannot configure AEMIF.\n", __func__);
351 #ifdef CONFIG_DA850_UI_RMII
352 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
354 struct davinci_soc_info *soc_info = &davinci_soc_info;
356 soc_info->emac_pdata->rmii_en = 1;
357 gpio_set_value_cansleep(rmii_sel, 0);
360 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
364 #define DA850_KEYS_DEBOUNCE_MS 10
366 * At 200ms polling interval it is possible to miss an
367 * event by tapping very lightly on the push button but most
368 * pushes do result in an event; longer intervals require the
369 * user to hold the button whereas shorter intervals require
370 * more CPU time for polling.
372 #define DA850_GPIO_KEYS_POLL_MS 200
374 enum da850_evm_ui_exp_pins {
375 DA850_EVM_UI_EXP_SEL_C = 5,
376 DA850_EVM_UI_EXP_SEL_B,
377 DA850_EVM_UI_EXP_SEL_A,
378 DA850_EVM_UI_EXP_PB8,
379 DA850_EVM_UI_EXP_PB7,
380 DA850_EVM_UI_EXP_PB6,
381 DA850_EVM_UI_EXP_PB5,
382 DA850_EVM_UI_EXP_PB4,
383 DA850_EVM_UI_EXP_PB3,
384 DA850_EVM_UI_EXP_PB2,
385 DA850_EVM_UI_EXP_PB1,
388 static const char * const da850_evm_ui_exp[] = {
389 [DA850_EVM_UI_EXP_SEL_C] = "sel_c",
390 [DA850_EVM_UI_EXP_SEL_B] = "sel_b",
391 [DA850_EVM_UI_EXP_SEL_A] = "sel_a",
392 [DA850_EVM_UI_EXP_PB8] = "pb8",
393 [DA850_EVM_UI_EXP_PB7] = "pb7",
394 [DA850_EVM_UI_EXP_PB6] = "pb6",
395 [DA850_EVM_UI_EXP_PB5] = "pb5",
396 [DA850_EVM_UI_EXP_PB4] = "pb4",
397 [DA850_EVM_UI_EXP_PB3] = "pb3",
398 [DA850_EVM_UI_EXP_PB2] = "pb2",
399 [DA850_EVM_UI_EXP_PB1] = "pb1",
402 #define DA850_N_UI_PB 8
404 static struct gpio_keys_button da850_evm_ui_keys[] = {
405 [0 ... DA850_N_UI_PB - 1] = {
409 .debounce_interval = DA850_KEYS_DEBOUNCE_MS,
410 .code = -1, /* assigned at runtime */
411 .gpio = -1, /* assigned at runtime */
412 .desc = NULL, /* assigned at runtime */
416 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
417 .buttons = da850_evm_ui_keys,
418 .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
419 .poll_interval = DA850_GPIO_KEYS_POLL_MS,
422 static struct platform_device da850_evm_ui_keys_device = {
423 .name = "gpio-keys-polled",
426 .platform_data = &da850_evm_ui_keys_pdata
430 static void da850_evm_ui_keys_init(unsigned gpio)
433 struct gpio_keys_button *button;
435 for (i = 0; i < DA850_N_UI_PB; i++) {
436 button = &da850_evm_ui_keys[i];
437 button->code = KEY_F8 - i;
438 button->desc = da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
439 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
443 #ifdef CONFIG_DA850_UI_SD_VIDEO_PORT
444 static inline void da850_evm_setup_video_port(int video_sel)
446 gpio_set_value_cansleep(video_sel, 0);
449 static inline void da850_evm_setup_video_port(int video_sel) { }
452 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
453 unsigned ngpio, void *c)
455 int sel_a, sel_b, sel_c, ret;
457 sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
458 sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
459 sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
461 ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
463 pr_warn("Cannot open UI expander pin %d\n", sel_a);
464 goto exp_setup_sela_fail;
467 ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
469 pr_warn("Cannot open UI expander pin %d\n", sel_b);
470 goto exp_setup_selb_fail;
473 ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
475 pr_warn("Cannot open UI expander pin %d\n", sel_c);
476 goto exp_setup_selc_fail;
479 /* deselect all functionalities */
480 gpio_direction_output(sel_a, 1);
481 gpio_direction_output(sel_b, 1);
482 gpio_direction_output(sel_c, 1);
484 da850_evm_ui_keys_init(gpio);
485 ret = platform_device_register(&da850_evm_ui_keys_device);
487 pr_warn("Could not register UI GPIO expander push-buttons");
488 goto exp_setup_keys_fail;
491 pr_info("DA850/OMAP-L138 EVM UI card detected\n");
493 da850_evm_setup_nor_nand();
495 da850_evm_setup_emac_rmii(sel_a);
497 da850_evm_setup_video_port(sel_c);
511 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
512 unsigned gpio, unsigned ngpio, void *c)
514 platform_device_unregister(&da850_evm_ui_keys_device);
516 /* deselect all functionalities */
517 gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
518 gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
519 gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
521 gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
522 gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
523 gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
528 /* assign the baseboard expander's GPIOs after the UI board's */
529 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
530 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
532 enum da850_evm_bb_exp_pins {
533 DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
534 DA850_EVM_BB_EXP_SW_RST,
535 DA850_EVM_BB_EXP_TP_23,
536 DA850_EVM_BB_EXP_TP_22,
537 DA850_EVM_BB_EXP_TP_21,
538 DA850_EVM_BB_EXP_USER_PB1,
539 DA850_EVM_BB_EXP_USER_LED2,
540 DA850_EVM_BB_EXP_USER_LED1,
541 DA850_EVM_BB_EXP_USER_SW1,
542 DA850_EVM_BB_EXP_USER_SW2,
543 DA850_EVM_BB_EXP_USER_SW3,
544 DA850_EVM_BB_EXP_USER_SW4,
545 DA850_EVM_BB_EXP_USER_SW5,
546 DA850_EVM_BB_EXP_USER_SW6,
547 DA850_EVM_BB_EXP_USER_SW7,
548 DA850_EVM_BB_EXP_USER_SW8
551 static const char * const da850_evm_bb_exp[] = {
552 [DA850_EVM_BB_EXP_DEEP_SLEEP_EN] = "deep_sleep_en",
553 [DA850_EVM_BB_EXP_SW_RST] = "sw_rst",
554 [DA850_EVM_BB_EXP_TP_23] = "tp_23",
555 [DA850_EVM_BB_EXP_TP_22] = "tp_22",
556 [DA850_EVM_BB_EXP_TP_21] = "tp_21",
557 [DA850_EVM_BB_EXP_USER_PB1] = "user_pb1",
558 [DA850_EVM_BB_EXP_USER_LED2] = "user_led2",
559 [DA850_EVM_BB_EXP_USER_LED1] = "user_led1",
560 [DA850_EVM_BB_EXP_USER_SW1] = "user_sw1",
561 [DA850_EVM_BB_EXP_USER_SW2] = "user_sw2",
562 [DA850_EVM_BB_EXP_USER_SW3] = "user_sw3",
563 [DA850_EVM_BB_EXP_USER_SW4] = "user_sw4",
564 [DA850_EVM_BB_EXP_USER_SW5] = "user_sw5",
565 [DA850_EVM_BB_EXP_USER_SW6] = "user_sw6",
566 [DA850_EVM_BB_EXP_USER_SW7] = "user_sw7",
567 [DA850_EVM_BB_EXP_USER_SW8] = "user_sw8",
570 #define DA850_N_BB_USER_SW 8
572 static struct gpio_keys_button da850_evm_bb_keys[] = {
577 .debounce_interval = DA850_KEYS_DEBOUNCE_MS,
579 .desc = NULL, /* assigned at runtime */
580 .gpio = -1, /* assigned at runtime */
582 [1 ... DA850_N_BB_USER_SW] = {
586 .debounce_interval = DA850_KEYS_DEBOUNCE_MS,
587 .code = -1, /* assigned at runtime */
588 .desc = NULL, /* assigned at runtime */
589 .gpio = -1, /* assigned at runtime */
593 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
594 .buttons = da850_evm_bb_keys,
595 .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
596 .poll_interval = DA850_GPIO_KEYS_POLL_MS,
599 static struct platform_device da850_evm_bb_keys_device = {
600 .name = "gpio-keys-polled",
603 .platform_data = &da850_evm_bb_keys_pdata
607 static void da850_evm_bb_keys_init(unsigned gpio)
610 struct gpio_keys_button *button;
612 button = &da850_evm_bb_keys[0];
613 button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
614 button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
616 for (i = 0; i < DA850_N_BB_USER_SW; i++) {
617 button = &da850_evm_bb_keys[i + 1];
618 button->code = SW_LID + i;
619 button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
620 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
624 #define DA850_N_BB_USER_LED 2
626 static struct gpio_led da850_evm_bb_leds[] = {
627 [0 ... DA850_N_BB_USER_LED - 1] = {
629 .gpio = -1, /* assigned at runtime */
630 .name = NULL, /* assigned at runtime */
634 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
635 .leds = da850_evm_bb_leds,
636 .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
639 static struct platform_device da850_evm_bb_leds_device = {
643 .platform_data = &da850_evm_bb_leds_pdata
647 static void da850_evm_bb_leds_init(unsigned gpio)
650 struct gpio_led *led;
652 for (i = 0; i < DA850_N_BB_USER_LED; i++) {
653 led = &da850_evm_bb_leds[i];
655 led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
657 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
661 static int da850_evm_bb_expander_setup(struct i2c_client *client,
662 unsigned gpio, unsigned ngpio,
668 * Register the switches and pushbutton on the baseboard as a gpio-keys
671 da850_evm_bb_keys_init(gpio);
672 ret = platform_device_register(&da850_evm_bb_keys_device);
674 pr_warn("Could not register baseboard GPIO expander keys");
675 goto io_exp_setup_sw_fail;
678 da850_evm_bb_leds_init(gpio);
679 ret = platform_device_register(&da850_evm_bb_leds_device);
681 pr_warn("Could not register baseboard GPIO expander LEDs");
682 goto io_exp_setup_leds_fail;
687 io_exp_setup_leds_fail:
688 platform_device_unregister(&da850_evm_bb_keys_device);
689 io_exp_setup_sw_fail:
693 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
694 unsigned gpio, unsigned ngpio, void *c)
696 platform_device_unregister(&da850_evm_bb_leds_device);
697 platform_device_unregister(&da850_evm_bb_keys_device);
702 static struct pca953x_platform_data da850_evm_ui_expander_info = {
703 .gpio_base = DAVINCI_N_GPIO,
704 .setup = da850_evm_ui_expander_setup,
705 .teardown = da850_evm_ui_expander_teardown,
706 .names = da850_evm_ui_exp,
709 static struct pca953x_platform_data da850_evm_bb_expander_info = {
710 .gpio_base = DA850_BB_EXPANDER_GPIO_BASE,
711 .setup = da850_evm_bb_expander_setup,
712 .teardown = da850_evm_bb_expander_teardown,
713 .names = da850_evm_bb_exp,
716 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
718 I2C_BOARD_INFO("tlv320aic3x", 0x18),
721 I2C_BOARD_INFO("tca6416", 0x20),
722 .platform_data = &da850_evm_ui_expander_info,
725 I2C_BOARD_INFO("tca6416", 0x21),
726 .platform_data = &da850_evm_bb_expander_info,
730 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
731 .bus_freq = 100, /* kHz */
732 .bus_delay = 0, /* usec */
735 /* davinci da850 evm audio machine driver */
736 static u8 da850_iis_serializer_direction[] = {
737 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
738 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
739 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE,
740 RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
743 static struct snd_platform_data da850_evm_snd_data = {
744 .tx_dma_offset = 0x2000,
745 .rx_dma_offset = 0x2000,
746 .op_mode = DAVINCI_MCASP_IIS_MODE,
747 .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
749 .serial_dir = da850_iis_serializer_direction,
750 .asp_chan_q = EVENTQ_0,
751 .ram_chan_q = EVENTQ_1,
752 .version = MCASP_VERSION_2,
755 .sram_size_playback = SZ_8K,
756 .sram_size_capture = SZ_8K,
759 static const short da850_evm_mcasp_pins[] __initconst = {
760 DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
761 DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
762 DA850_AXR_11, DA850_AXR_12,
766 #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
767 #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
769 static struct gpiod_lookup_table mmc_gpios_table = {
770 .dev_id = "da830-mmc.0",
772 /* gpio chip 2 contains gpio range 64-95 */
773 GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_CD_PIN, "cd",
775 GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_WP_PIN, "wp",
780 static struct davinci_mmc_config da850_mmc_config = {
782 .max_freq = 50000000,
783 .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
786 static const short da850_evm_mmcsd0_pins[] __initconst = {
787 DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
788 DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
789 DA850_GPIO4_0, DA850_GPIO4_1,
793 static void da850_panel_power_ctrl(int val)
796 gpio_set_value(DA850_LCD_BL_PIN, val);
799 gpio_set_value(DA850_LCD_PWR_PIN, val);
802 static int da850_lcd_hw_init(void)
806 status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
810 status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
812 gpio_free(DA850_LCD_BL_PIN);
816 gpio_direction_output(DA850_LCD_BL_PIN, 0);
817 gpio_direction_output(DA850_LCD_PWR_PIN, 0);
819 /* Switch off panel power and backlight */
820 da850_panel_power_ctrl(0);
822 /* Switch on panel power and backlight */
823 da850_panel_power_ctrl(1);
828 /* Fixed regulator support */
829 static struct regulator_consumer_supply fixed_supplies[] = {
830 /* Baseboard 3.3V: 5V -> TPS73701DCQ -> 3.3V */
831 REGULATOR_SUPPLY("AVDD", "1-0018"),
832 REGULATOR_SUPPLY("DRVDD", "1-0018"),
834 /* Baseboard 1.8V: 5V -> TPS73701DCQ -> 1.8V */
835 REGULATOR_SUPPLY("DVDD", "1-0018"),
837 /* UI card 3.3V: 5V -> TPS73701DCQ -> 3.3V */
838 REGULATOR_SUPPLY("vcc", "1-0020"),
841 /* TPS65070 voltage regulator support */
844 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
846 .supply = "usb0_vdda33",
849 .supply = "usb1_vdda33",
854 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
856 .supply = "dvdd3318_a",
859 .supply = "dvdd3318_b",
862 .supply = "dvdd3318_c",
864 REGULATOR_SUPPLY("IOVDD", "1-0018"),
868 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
875 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
877 .supply = "sata_vddr",
880 .supply = "usb0_vdda18",
883 .supply = "usb1_vdda18",
886 .supply = "ddr_dvdd18",
891 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
893 .supply = "sata_vdd",
896 .supply = "pll0_vdda",
899 .supply = "pll1_vdda",
902 .supply = "usbs_cvdd",
905 .supply = "vddarnwa1",
909 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
910 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
911 .defdcdc_default = true,
914 static struct regulator_init_data tps65070_regulator_data[] = {
920 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
921 REGULATOR_CHANGE_STATUS),
924 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
925 .consumer_supplies = tps65070_dcdc1_consumers,
933 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
934 REGULATOR_CHANGE_STATUS),
938 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
939 .consumer_supplies = tps65070_dcdc2_consumers,
940 .driver_data = &tps6507x_platform_data,
948 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
949 REGULATOR_CHANGE_STATUS),
952 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
953 .consumer_supplies = tps65070_dcdc3_consumers,
954 .driver_data = &tps6507x_platform_data,
962 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
963 REGULATOR_CHANGE_STATUS),
966 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
967 .consumer_supplies = tps65070_ldo1_consumers,
975 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
976 REGULATOR_CHANGE_STATUS),
979 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
980 .consumer_supplies = tps65070_ldo2_consumers,
984 static struct touchscreen_init_data tps6507x_touchscreen_data = {
985 .poll_period = 30, /* ms between touch samples */
986 .min_pressure = 0x30, /* minimum pressure to trigger touch */
987 .vendor = 0, /* /sys/class/input/input?/id/vendor */
988 .product = 65070, /* /sys/class/input/input?/id/product */
989 .version = 0x100, /* /sys/class/input/input?/id/version */
992 static struct tps6507x_board tps_board = {
993 .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
994 .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
997 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
999 I2C_BOARD_INFO("tps6507x", 0x48),
1000 .platform_data = &tps_board,
1004 static int __init pmic_tps65070_init(void)
1006 return i2c_register_board_info(1, da850_evm_tps65070_info,
1007 ARRAY_SIZE(da850_evm_tps65070_info));
1010 static const short da850_evm_lcdc_pins[] = {
1011 DA850_GPIO2_8, DA850_GPIO2_15,
1015 static const short da850_evm_mii_pins[] = {
1016 DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1017 DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1018 DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1019 DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1024 static const short da850_evm_rmii_pins[] = {
1025 DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1026 DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1027 DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1032 static int __init da850_evm_config_emac(void)
1034 void __iomem *cfg_chip3_base;
1037 struct davinci_soc_info *soc_info = &davinci_soc_info;
1038 u8 rmii_en = soc_info->emac_pdata->rmii_en;
1040 if (!machine_is_davinci_da850_evm())
1043 cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1045 val = __raw_readl(cfg_chip3_base);
1049 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1050 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1054 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1055 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1060 pr_warn("%s: CPGMAC/RMII mux setup failed: %d\n",
1063 /* configure the CFGCHIP3 register for RMII or MII */
1064 __raw_writel(val, cfg_chip3_base);
1066 ret = davinci_cfg_reg(DA850_GPIO2_6);
1068 pr_warn("%s:GPIO(2,6) mux setup failed\n", __func__);
1070 ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
1072 pr_warn("Cannot open GPIO %d\n", DA850_MII_MDIO_CLKEN_PIN);
1076 /* Enable/Disable MII MDIO clock */
1077 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
1079 soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1081 ret = da8xx_register_emac();
1083 pr_warn("%s: EMAC registration failed: %d\n", __func__, ret);
1087 device_initcall(da850_evm_config_emac);
1090 * The following EDMA channels/slots are not being used by drivers (for
1091 * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1092 * they are being reserved for codecs on the DSP side.
1094 static const s16 da850_dma0_rsv_chans[][2] = {
1095 /* (offset, number) */
1102 static const s16 da850_dma0_rsv_slots[][2] = {
1103 /* (offset, number) */
1110 static const s16 da850_dma1_rsv_chans[][2] = {
1111 /* (offset, number) */
1117 static const s16 da850_dma1_rsv_slots[][2] = {
1118 /* (offset, number) */
1124 static struct edma_rsv_info da850_edma_cc0_rsv = {
1125 .rsv_chans = da850_dma0_rsv_chans,
1126 .rsv_slots = da850_dma0_rsv_slots,
1129 static struct edma_rsv_info da850_edma_cc1_rsv = {
1130 .rsv_chans = da850_dma1_rsv_chans,
1131 .rsv_slots = da850_dma1_rsv_slots,
1134 static struct edma_rsv_info *da850_edma_rsv[2] = {
1135 &da850_edma_cc0_rsv,
1136 &da850_edma_cc1_rsv,
1139 #ifdef CONFIG_CPU_FREQ
1140 static __init int da850_evm_init_cpufreq(void)
1142 switch (system_rev & 0xF) {
1144 da850_max_speed = 456000;
1147 da850_max_speed = 408000;
1150 da850_max_speed = 372000;
1154 return da850_register_cpufreq("pll0_sysclk3");
1157 static __init int da850_evm_init_cpufreq(void) { return 0; }
1160 #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT)
1162 #define TVP5147_CH0 "tvp514x-0"
1163 #define TVP5147_CH1 "tvp514x-1"
1165 /* VPIF capture configuration */
1166 static struct tvp514x_platform_data tvp5146_pdata = {
1172 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
1174 static struct vpif_input da850_ch0_inputs[] = {
1178 .name = "Composite",
1179 .type = V4L2_INPUT_TYPE_CAMERA,
1180 .capabilities = V4L2_IN_CAP_STD,
1181 .std = TVP514X_STD_ALL,
1183 .input_route = INPUT_CVBS_VI2B,
1184 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1185 .subdev_name = TVP5147_CH0,
1189 static struct vpif_input da850_ch1_inputs[] = {
1194 .type = V4L2_INPUT_TYPE_CAMERA,
1195 .capabilities = V4L2_IN_CAP_STD,
1196 .std = TVP514X_STD_ALL,
1198 .input_route = INPUT_SVIDEO_VI2C_VI1C,
1199 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1200 .subdev_name = TVP5147_CH1,
1204 static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = {
1206 .name = TVP5147_CH0,
1208 I2C_BOARD_INFO("tvp5146", 0x5d),
1209 .platform_data = &tvp5146_pdata,
1213 .name = TVP5147_CH1,
1215 I2C_BOARD_INFO("tvp5146", 0x5c),
1216 .platform_data = &tvp5146_pdata,
1221 static struct vpif_capture_config da850_vpif_capture_config = {
1222 .subdev_info = da850_vpif_capture_sdev_info,
1223 .subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info),
1224 .i2c_adapter_id = 1,
1226 .inputs = da850_ch0_inputs,
1227 .input_count = ARRAY_SIZE(da850_ch0_inputs),
1229 .if_type = VPIF_IF_BT656,
1236 .inputs = da850_ch1_inputs,
1237 .input_count = ARRAY_SIZE(da850_ch1_inputs),
1239 .if_type = VPIF_IF_BT656,
1245 .card_name = "DA850/OMAP-L138 Video Capture",
1248 /* VPIF display configuration */
1250 static struct adv7343_platform_data adv7343_pdata = {
1255 .sd_dac_out = { 1 },
1259 static struct vpif_subdev_info da850_vpif_subdev[] = {
1263 I2C_BOARD_INFO("adv7343", 0x2a),
1264 .platform_data = &adv7343_pdata,
1269 static const struct vpif_output da850_ch0_outputs[] = {
1273 .name = "Composite",
1274 .type = V4L2_OUTPUT_TYPE_ANALOG,
1275 .capabilities = V4L2_OUT_CAP_STD,
1276 .std = V4L2_STD_ALL,
1278 .subdev_name = "adv7343",
1279 .output_route = ADV7343_COMPOSITE_ID,
1285 .type = V4L2_OUTPUT_TYPE_ANALOG,
1286 .capabilities = V4L2_OUT_CAP_STD,
1287 .std = V4L2_STD_ALL,
1289 .subdev_name = "adv7343",
1290 .output_route = ADV7343_SVIDEO_ID,
1294 static struct vpif_display_config da850_vpif_display_config = {
1295 .subdevinfo = da850_vpif_subdev,
1296 .subdev_count = ARRAY_SIZE(da850_vpif_subdev),
1298 .outputs = da850_ch0_outputs,
1299 .output_count = ARRAY_SIZE(da850_ch0_outputs),
1301 .card_name = "DA850/OMAP-L138 Video Display",
1302 .i2c_adapter_id = 1,
1305 static __init void da850_vpif_init(void)
1309 ret = da850_register_vpif();
1311 pr_warn("da850_evm_init: VPIF setup failed: %d\n", ret);
1313 ret = davinci_cfg_reg_list(da850_vpif_capture_pins);
1315 pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n",
1318 ret = da850_register_vpif_capture(&da850_vpif_capture_config);
1320 pr_warn("da850_evm_init: VPIF capture setup failed: %d\n", ret);
1322 ret = davinci_cfg_reg_list(da850_vpif_display_pins);
1324 pr_warn("da850_evm_init: VPIF display mux setup failed: %d\n",
1327 ret = da850_register_vpif_display(&da850_vpif_display_config);
1329 pr_warn("da850_evm_init: VPIF display setup failed: %d\n", ret);
1333 static __init void da850_vpif_init(void) {}
1336 #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000)
1338 static __init void da850_evm_init(void)
1342 ret = da8xx_register_cfgchip();
1344 pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);
1346 ret = da850_register_gpio();
1348 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
1350 regulator_register_fixed(0, fixed_supplies, ARRAY_SIZE(fixed_supplies));
1352 ret = pmic_tps65070_init();
1354 pr_warn("%s: TPS65070 PMIC init failed: %d\n", __func__, ret);
1356 ret = da850_register_edma(da850_edma_rsv);
1358 pr_warn("%s: EDMA registration failed: %d\n", __func__, ret);
1360 ret = davinci_cfg_reg_list(da850_i2c0_pins);
1362 pr_warn("%s: I2C0 mux setup failed: %d\n", __func__, ret);
1364 ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1366 pr_warn("%s: I2C0 registration failed: %d\n", __func__, ret);
1369 ret = da8xx_register_watchdog();
1371 pr_warn("%s: watchdog registration failed: %d\n",
1375 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1377 pr_warn("%s: MMCSD0 mux setup failed: %d\n",
1380 gpiod_add_lookup_table(&mmc_gpios_table);
1382 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1384 pr_warn("%s: MMCSD0 registration failed: %d\n",
1388 davinci_serial_init(da8xx_serial_device);
1390 i2c_register_board_info(1, da850_evm_i2c_devices,
1391 ARRAY_SIZE(da850_evm_i2c_devices));
1394 * shut down uart 0 and 1; they are not used on the board and
1395 * accessing them causes endless "too much work in irq53" messages
1398 __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1399 __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1401 ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1403 pr_warn("%s: McASP mux setup failed: %d\n", __func__, ret);
1405 da850_evm_snd_data.sram_pool = sram_get_gen_pool();
1406 da8xx_register_mcasp(0, &da850_evm_snd_data);
1408 ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1410 pr_warn("%s: LCDC mux setup failed: %d\n", __func__, ret);
1412 ret = da8xx_register_uio_pruss();
1414 pr_warn("da850_evm_init: pruss initialization failed: %d\n",
1417 /* Handle board specific muxing for LCD here */
1418 ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1420 pr_warn("%s: EVM specific LCD mux setup failed: %d\n",
1423 ret = da850_lcd_hw_init();
1425 pr_warn("%s: LCD initialization failed: %d\n", __func__, ret);
1427 sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
1428 ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1430 pr_warn("%s: LCDC registration failed: %d\n", __func__, ret);
1432 ret = da8xx_register_rtc();
1434 pr_warn("%s: RTC setup failed: %d\n", __func__, ret);
1436 ret = da850_evm_init_cpufreq();
1438 pr_warn("%s: cpufreq registration failed: %d\n", __func__, ret);
1440 ret = da8xx_register_cpuidle();
1442 pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret);
1447 ret = spi_register_board_info(da850evm_spi_info,
1448 ARRAY_SIZE(da850evm_spi_info));
1450 pr_warn("%s: spi info registration failed: %d\n", __func__,
1453 ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info));
1455 pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret);
1457 ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1459 pr_warn("%s: SATA registration failed: %d\n", __func__, ret);
1461 da850_evm_setup_mac_addr();
1463 ret = da8xx_register_rproc();
1465 pr_warn("%s: dsp/rproc registration failed: %d\n",
1468 regulator_has_full_constraints();
1471 #ifdef CONFIG_SERIAL_8250_CONSOLE
1472 static int __init da850_evm_console_init(void)
1474 if (!machine_is_davinci_da850_evm())
1477 return add_preferred_console("ttyS", 2, "115200");
1479 console_initcall(da850_evm_console_init);
1482 static void __init da850_evm_map_io(void)
1487 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1488 .atag_offset = 0x100,
1489 .map_io = da850_evm_map_io,
1490 .init_irq = cp_intc_init,
1491 .init_time = davinci_timer_init,
1492 .init_machine = da850_evm_init,
1493 .init_late = davinci_init_late,
1494 .dma_zone_size = SZ_128M,
1495 .restart = da8xx_restart,
1496 .reserve = da8xx_rproc_reserve_cma,