2 * TI DA830/OMAP L137 EVM board
4 * Author: Mark A. Greer <mgreer@mvista.com>
5 * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
7 * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
8 * the terms of the GNU General Public License version 2. This program
9 * is licensed "as is" without any warranty of any kind, whether express
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/console.h>
15 #include <linux/interrupt.h>
16 #include <linux/gpio.h>
17 #include <linux/gpio/machine.h>
18 #include <linux/platform_device.h>
19 #include <linux/i2c.h>
20 #include <linux/platform_data/pcf857x.h>
21 #include <linux/property.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/partitions.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/flash.h>
26 #include <linux/platform_data/gpio-davinci.h>
27 #include <linux/platform_data/mtd-davinci.h>
28 #include <linux/platform_data/mtd-davinci-aemif.h>
29 #include <linux/platform_data/spi-davinci.h>
30 #include <linux/platform_data/usb-davinci.h>
31 #include <linux/platform_data/ti-aemif.h>
32 #include <linux/regulator/fixed.h>
33 #include <linux/regulator/machine.h>
34 #include <linux/nvmem-provider.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
44 #define DA830_EVM_PHY_ID ""
46 * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
48 #define ON_BD_USB_DRV GPIO_TO_PIN(1, 15)
49 #define ON_BD_USB_OVC GPIO_TO_PIN(2, 4)
51 static const short da830_evm_usb11_pins[] = {
52 DA830_GPIO1_15, DA830_GPIO2_4,
56 static struct regulator_consumer_supply da830_evm_usb_supplies[] = {
57 REGULATOR_SUPPLY("vbus", NULL),
60 static struct regulator_init_data da830_evm_usb_vbus_data = {
61 .consumer_supplies = da830_evm_usb_supplies,
62 .num_consumer_supplies = ARRAY_SIZE(da830_evm_usb_supplies),
64 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
68 static struct fixed_voltage_config da830_evm_usb_vbus = {
69 .supply_name = "vbus",
70 .microvolts = 33000000,
71 .init_data = &da830_evm_usb_vbus_data,
74 static struct platform_device da830_evm_usb_vbus_device = {
75 .name = "reg-fixed-voltage",
78 .platform_data = &da830_evm_usb_vbus,
82 static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup = {
83 .dev_id = "ohci-da8xx",
85 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC, "oc", 0),
90 static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup = {
91 .dev_id = "reg-fixed-voltage.0",
93 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV, NULL, 0),
98 static struct gpiod_lookup_table *da830_evm_usb_gpio_lookups[] = {
99 &da830_evm_usb_oc_gpio_lookup,
100 &da830_evm_usb_vbus_gpio_lookup,
103 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
104 /* TPS2065 switch @ 5V */
105 .potpgt = (3 + 1) / 2, /* 3 ms max */
108 static __init void da830_evm_usb_init(void)
112 ret = da8xx_register_usb_phy_clocks();
114 pr_warn("%s: USB PHY CLK registration failed: %d\n",
117 gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups,
118 ARRAY_SIZE(da830_evm_usb_gpio_lookups));
120 ret = da8xx_register_usb_phy();
122 pr_warn("%s: USB PHY registration failed: %d\n",
125 ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
127 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
130 * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
131 * with the power on to power good time of 3 ms.
133 ret = da8xx_register_usb20(1000, 3);
135 pr_warn("%s: USB 2.0 registration failed: %d\n",
139 ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
141 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
145 ret = platform_device_register(&da830_evm_usb_vbus_device);
147 pr_warn("%s: Unable to register the vbus supply\n", __func__);
151 ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
153 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
156 static const short da830_evm_mcasp1_pins[] = {
157 DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
158 DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
159 DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
164 static u8 da830_iis_serializer_direction[] = {
165 RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
166 INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
167 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
170 static struct snd_platform_data da830_evm_snd_data = {
171 .tx_dma_offset = 0x2000,
172 .rx_dma_offset = 0x2000,
173 .op_mode = DAVINCI_MCASP_IIS_MODE,
174 .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
176 .serial_dir = da830_iis_serializer_direction,
177 .asp_chan_q = EVENTQ_0,
178 .version = MCASP_VERSION_2,
184 * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
186 static const short da830_evm_mmc_sd_pins[] = {
187 DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
188 DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
189 DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
190 DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2,
194 #define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
195 #define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2)
197 static struct gpiod_lookup_table mmc_gpios_table = {
198 .dev_id = "da830-mmc.0",
200 /* gpio chip 1 contains gpio range 32-63 */
201 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN, "cd",
203 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN, "wp",
209 static struct davinci_mmc_config da830_evm_mmc_config = {
211 .max_freq = 50000000,
212 .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
215 static inline void da830_evm_init_mmc(void)
219 ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
221 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
225 gpiod_add_lookup_table(&mmc_gpios_table);
227 ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
229 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
230 gpiod_remove_lookup_table(&mmc_gpios_table);
234 #define HAS_MMC IS_ENABLED(CONFIG_MMC_DAVINCI)
236 #ifdef CONFIG_DA830_UI_NAND
237 static struct mtd_partition da830_evm_nand_partitions[] = {
238 /* bootloader (U-Boot, etc) in first sector */
240 .name = "bootloader",
243 .mask_flags = MTD_WRITEABLE, /* force read-only */
245 /* bootloader params in the next sector */
248 .offset = MTDPART_OFS_APPEND,
250 .mask_flags = MTD_WRITEABLE, /* force read-only */
255 .offset = MTDPART_OFS_APPEND,
261 .name = "filesystem",
262 .offset = MTDPART_OFS_APPEND,
263 .size = MTDPART_SIZ_FULL,
268 /* flash bbt descriptors */
269 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
270 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
272 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
273 .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
274 NAND_BBT_WRITE | NAND_BBT_2BIT |
275 NAND_BBT_VERSION | NAND_BBT_PERCHIP,
280 .pattern = da830_evm_nand_bbt_pattern
283 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
284 .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
285 NAND_BBT_WRITE | NAND_BBT_2BIT |
286 NAND_BBT_VERSION | NAND_BBT_PERCHIP,
291 .pattern = da830_evm_nand_mirror_pattern
294 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
304 static struct davinci_nand_pdata da830_evm_nand_pdata = {
306 .parts = da830_evm_nand_partitions,
307 .nr_parts = ARRAY_SIZE(da830_evm_nand_partitions),
308 .engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST,
310 .bbt_options = NAND_BBT_USE_FLASH,
311 .bbt_td = &da830_evm_nand_bbt_main_descr,
312 .bbt_md = &da830_evm_nand_bbt_mirror_descr,
313 .timing = &da830_evm_nandflash_timing,
316 static struct resource da830_evm_nand_resources[] = {
317 [0] = { /* First memory resource is NAND I/O window */
318 .start = DA8XX_AEMIF_CS3_BASE,
319 .end = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
320 .flags = IORESOURCE_MEM,
322 [1] = { /* Second memory resource is AEMIF control registers */
323 .start = DA8XX_AEMIF_CTL_BASE,
324 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
325 .flags = IORESOURCE_MEM,
329 static struct platform_device da830_evm_aemif_devices[] = {
331 .name = "davinci_nand",
334 .platform_data = &da830_evm_nand_pdata,
336 .num_resources = ARRAY_SIZE(da830_evm_nand_resources),
337 .resource = da830_evm_nand_resources,
341 static struct resource da830_evm_aemif_resource[] = {
343 .start = DA8XX_AEMIF_CTL_BASE,
344 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
345 .flags = IORESOURCE_MEM,
349 static struct aemif_abus_data da830_evm_aemif_abus_data[] = {
355 static struct aemif_platform_data da830_evm_aemif_pdata = {
356 .abus_data = da830_evm_aemif_abus_data,
357 .num_abus_data = ARRAY_SIZE(da830_evm_aemif_abus_data),
358 .sub_devices = da830_evm_aemif_devices,
359 .num_sub_devices = ARRAY_SIZE(da830_evm_aemif_devices),
363 static struct platform_device da830_evm_aemif_device = {
367 .platform_data = &da830_evm_aemif_pdata,
369 .resource = da830_evm_aemif_resource,
370 .num_resources = ARRAY_SIZE(da830_evm_aemif_resource),
374 * UI board NAND/NOR flashes only use 8-bit data bus.
376 static const short da830_evm_emif25_pins[] = {
377 DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
378 DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
379 DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
380 DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
381 DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
382 DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
383 DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
387 static inline void da830_evm_init_nand(int mux_mode)
392 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
393 "\tDisable MMC/SD for NAND support\n");
397 ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
399 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
401 ret = platform_device_register(&da830_evm_aemif_device);
403 pr_warn("%s: AEMIF device not registered\n", __func__);
405 gpio_direction_output(mux_mode, 1);
408 static inline void da830_evm_init_nand(int mux_mode) { }
411 #ifdef CONFIG_DA830_UI_LCD
412 static inline void da830_evm_init_lcdc(int mux_mode)
416 ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
418 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
420 ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
422 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
424 gpio_direction_output(mux_mode, 0);
427 static inline void da830_evm_init_lcdc(int mux_mode) { }
430 static struct nvmem_cell_info da830_evm_nvmem_cells[] = {
438 static struct nvmem_cell_table da830_evm_nvmem_cell_table = {
439 .nvmem_name = "1-00500",
440 .cells = da830_evm_nvmem_cells,
441 .ncells = ARRAY_SIZE(da830_evm_nvmem_cells),
444 static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup = {
445 .nvmem_name = "1-00500",
446 .cell_name = "macaddr",
447 .dev_id = "davinci_emac.1",
448 .con_id = "mac-address",
451 static const struct property_entry da830_evm_i2c_eeprom_properties[] = {
452 PROPERTY_ENTRY_U32("pagesize", 64),
456 static const struct software_node da830_evm_i2c_eeprom_node = {
457 .properties = da830_evm_i2c_eeprom_properties,
460 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
461 int gpio, unsigned ngpio, void *context)
463 gpio_request(gpio + 6, "UI MUX_MODE");
465 /* Drive mux mode low to match the default without UI card */
466 gpio_direction_output(gpio + 6, 0);
468 da830_evm_init_lcdc(gpio + 6);
470 da830_evm_init_nand(gpio + 6);
475 static void da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
476 unsigned ngpio, void *context)
481 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
482 .gpio_base = DAVINCI_N_GPIO,
483 .setup = da830_evm_ui_expander_setup,
484 .teardown = da830_evm_ui_expander_teardown,
487 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
489 I2C_BOARD_INFO("24c256", 0x50),
490 .swnode = &da830_evm_i2c_eeprom_node,
493 I2C_BOARD_INFO("tlv320aic3x", 0x18),
496 I2C_BOARD_INFO("pcf8574", 0x3f),
497 .platform_data = &da830_evm_ui_expander_info,
501 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
502 .bus_freq = 100, /* kHz */
503 .bus_delay = 0, /* usec */
507 * The following EDMA channels/slots are not being used by drivers (for
508 * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
509 * they are being reserved for codecs on the DSP side.
511 static const s16 da830_dma_rsv_chans[][2] = {
512 /* (offset, number) */
520 static const s16 da830_dma_rsv_slots[][2] = {
521 /* (offset, number) */
529 static struct edma_rsv_info da830_edma_rsv[] = {
531 .rsv_chans = da830_dma_rsv_chans,
532 .rsv_slots = da830_dma_rsv_slots,
536 static struct mtd_partition da830evm_spiflash_part[] = {
541 .mask_flags = MTD_WRITEABLE,
545 .offset = MTDPART_OFS_APPEND,
546 .size = SZ_16K + SZ_8K,
547 .mask_flags = MTD_WRITEABLE,
551 .offset = MTDPART_OFS_APPEND,
552 .size = SZ_256K - SZ_32K,
553 .mask_flags = MTD_WRITEABLE,
556 .name = "U-Boot-Environment",
557 .offset = MTDPART_OFS_APPEND,
563 .offset = MTDPART_OFS_APPEND,
564 .size = MTDPART_SIZ_FULL,
569 static struct flash_platform_data da830evm_spiflash_data = {
571 .parts = da830evm_spiflash_part,
572 .nr_parts = ARRAY_SIZE(da830evm_spiflash_part),
576 static struct davinci_spi_config da830evm_spiflash_cfg = {
577 .io_type = SPI_IO_TYPE_DMA,
582 static struct spi_board_info da830evm_spi_info[] = {
584 .modalias = "m25p80",
585 .platform_data = &da830evm_spiflash_data,
586 .controller_data = &da830evm_spiflash_cfg,
588 .max_speed_hz = 30000000,
594 static __init void da830_evm_init(void)
596 struct davinci_soc_info *soc_info = &davinci_soc_info;
599 da830_register_clocks();
601 ret = da830_register_gpio();
603 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
605 ret = da830_register_edma(da830_edma_rsv);
607 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
609 ret = davinci_cfg_reg_list(da830_i2c0_pins);
611 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
613 ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
615 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
617 da830_evm_usb_init();
619 soc_info->emac_pdata->rmii_en = 1;
620 soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
622 ret = davinci_cfg_reg_list(da830_cpgmac_pins);
624 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
626 ret = da8xx_register_emac();
628 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
630 ret = da8xx_register_watchdog();
632 pr_warn("%s: watchdog registration failed: %d\n",
635 davinci_serial_init(da8xx_serial_device);
637 nvmem_add_cell_table(&da830_evm_nvmem_cell_table);
638 nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup, 1);
640 i2c_register_board_info(1, da830_evm_i2c_devices,
641 ARRAY_SIZE(da830_evm_i2c_devices));
643 ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
645 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
647 da8xx_register_mcasp(1, &da830_evm_snd_data);
649 da830_evm_init_mmc();
651 ret = da8xx_register_rtc();
653 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
655 ret = spi_register_board_info(da830evm_spi_info,
656 ARRAY_SIZE(da830evm_spi_info));
658 pr_warn("%s: spi info registration failed: %d\n",
661 ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
663 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
665 regulator_has_full_constraints();
668 #ifdef CONFIG_SERIAL_8250_CONSOLE
669 static int __init da830_evm_console_init(void)
671 if (!machine_is_davinci_da830_evm())
674 return add_preferred_console("ttyS", 2, "115200");
676 console_initcall(da830_evm_console_init);
679 static void __init da830_evm_map_io(void)
684 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
685 .atag_offset = 0x100,
686 .map_io = da830_evm_map_io,
687 .init_irq = da830_init_irq,
688 .init_time = da830_init_time,
689 .init_machine = da830_evm_init,
690 .init_late = davinci_init_late,
691 .dma_zone_size = SZ_128M,