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>
39 #include <mach/common.h>
41 #include <mach/da8xx.h>
45 #define DA830_EVM_PHY_ID ""
47 * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
49 #define ON_BD_USB_DRV GPIO_TO_PIN(1, 15)
50 #define ON_BD_USB_OVC GPIO_TO_PIN(2, 4)
52 static const short da830_evm_usb11_pins
[] = {
53 DA830_GPIO1_15
, DA830_GPIO2_4
,
57 static struct regulator_consumer_supply da830_evm_usb_supplies
[] = {
58 REGULATOR_SUPPLY("vbus", NULL
),
61 static struct regulator_init_data da830_evm_usb_vbus_data
= {
62 .consumer_supplies
= da830_evm_usb_supplies
,
63 .num_consumer_supplies
= ARRAY_SIZE(da830_evm_usb_supplies
),
66 static struct fixed_voltage_config da830_evm_usb_vbus
= {
67 .supply_name
= "vbus",
68 .microvolts
= 33000000,
69 .init_data
= &da830_evm_usb_vbus_data
,
72 static struct platform_device da830_evm_usb_vbus_device
= {
73 .name
= "reg-fixed-voltage",
76 .platform_data
= &da830_evm_usb_vbus
,
80 static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup
= {
81 .dev_id
= "ohci-da8xx",
83 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC
, "oc", 0),
88 static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup
= {
89 .dev_id
= "reg-fixed-voltage.0",
91 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV
, "vbus", 0),
96 static struct gpiod_lookup_table
*da830_evm_usb_gpio_lookups
[] = {
97 &da830_evm_usb_oc_gpio_lookup
,
98 &da830_evm_usb_vbus_gpio_lookup
,
101 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata
= {
102 /* TPS2065 switch @ 5V */
103 .potpgt
= (3 + 1) / 2, /* 3 ms max */
106 static __init
void da830_evm_usb_init(void)
110 ret
= da8xx_register_usb_phy_clocks();
112 pr_warn("%s: USB PHY CLK registration failed: %d\n",
115 gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups
,
116 ARRAY_SIZE(da830_evm_usb_gpio_lookups
));
118 ret
= da8xx_register_usb_phy();
120 pr_warn("%s: USB PHY registration failed: %d\n",
123 ret
= davinci_cfg_reg(DA830_USB0_DRVVBUS
);
125 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__
, ret
);
128 * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
129 * with the power on to power good time of 3 ms.
131 ret
= da8xx_register_usb20(1000, 3);
133 pr_warn("%s: USB 2.0 registration failed: %d\n",
137 ret
= davinci_cfg_reg_list(da830_evm_usb11_pins
);
139 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__
, ret
);
143 ret
= platform_device_register(&da830_evm_usb_vbus_device
);
145 pr_warn("%s: Unable to register the vbus supply\n", __func__
);
149 ret
= da8xx_register_usb11(&da830_evm_usb11_pdata
);
151 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__
, ret
);
154 static const short da830_evm_mcasp1_pins
[] = {
155 DA830_AHCLKX1
, DA830_ACLKX1
, DA830_AFSX1
, DA830_AHCLKR1
, DA830_AFSR1
,
156 DA830_AMUTE1
, DA830_AXR1_0
, DA830_AXR1_1
, DA830_AXR1_2
, DA830_AXR1_5
,
157 DA830_ACLKR1
, DA830_AXR1_6
, DA830_AXR1_7
, DA830_AXR1_8
, DA830_AXR1_10
,
162 static u8 da830_iis_serializer_direction
[] = {
163 RX_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
164 INACTIVE_MODE
, TX_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
165 INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
168 static struct snd_platform_data da830_evm_snd_data
= {
169 .tx_dma_offset
= 0x2000,
170 .rx_dma_offset
= 0x2000,
171 .op_mode
= DAVINCI_MCASP_IIS_MODE
,
172 .num_serializer
= ARRAY_SIZE(da830_iis_serializer_direction
),
174 .serial_dir
= da830_iis_serializer_direction
,
175 .asp_chan_q
= EVENTQ_0
,
176 .version
= MCASP_VERSION_2
,
182 * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
184 static const short da830_evm_mmc_sd_pins
[] = {
185 DA830_MMCSD_DAT_0
, DA830_MMCSD_DAT_1
, DA830_MMCSD_DAT_2
,
186 DA830_MMCSD_DAT_3
, DA830_MMCSD_DAT_4
, DA830_MMCSD_DAT_5
,
187 DA830_MMCSD_DAT_6
, DA830_MMCSD_DAT_7
, DA830_MMCSD_CLK
,
188 DA830_MMCSD_CMD
, DA830_GPIO2_1
, DA830_GPIO2_2
,
192 #define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
193 #define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2)
195 static struct gpiod_lookup_table mmc_gpios_table
= {
196 .dev_id
= "da830-mmc.0",
198 /* gpio chip 1 contains gpio range 32-63 */
199 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN
, "cd",
201 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN
, "wp",
207 static struct davinci_mmc_config da830_evm_mmc_config
= {
209 .max_freq
= 50000000,
210 .caps
= MMC_CAP_MMC_HIGHSPEED
| MMC_CAP_SD_HIGHSPEED
,
213 static inline void da830_evm_init_mmc(void)
217 ret
= davinci_cfg_reg_list(da830_evm_mmc_sd_pins
);
219 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__
, ret
);
223 gpiod_add_lookup_table(&mmc_gpios_table
);
225 ret
= da8xx_register_mmcsd0(&da830_evm_mmc_config
);
227 pr_warn("%s: mmc/sd registration failed: %d\n", __func__
, ret
);
228 gpiod_remove_lookup_table(&mmc_gpios_table
);
232 #define HAS_MMC IS_ENABLED(CONFIG_MMC_DAVINCI)
234 #ifdef CONFIG_DA830_UI_NAND
235 static struct mtd_partition da830_evm_nand_partitions
[] = {
236 /* bootloader (U-Boot, etc) in first sector */
238 .name
= "bootloader",
241 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
243 /* bootloader params in the next sector */
246 .offset
= MTDPART_OFS_APPEND
,
248 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
253 .offset
= MTDPART_OFS_APPEND
,
259 .name
= "filesystem",
260 .offset
= MTDPART_OFS_APPEND
,
261 .size
= MTDPART_SIZ_FULL
,
266 /* flash bbt decriptors */
267 static uint8_t da830_evm_nand_bbt_pattern
[] = { 'B', 'b', 't', '0' };
268 static uint8_t da830_evm_nand_mirror_pattern
[] = { '1', 't', 'b', 'B' };
270 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr
= {
271 .options
= NAND_BBT_LASTBLOCK
| NAND_BBT_CREATE
|
272 NAND_BBT_WRITE
| NAND_BBT_2BIT
|
273 NAND_BBT_VERSION
| NAND_BBT_PERCHIP
,
278 .pattern
= da830_evm_nand_bbt_pattern
281 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr
= {
282 .options
= NAND_BBT_LASTBLOCK
| NAND_BBT_CREATE
|
283 NAND_BBT_WRITE
| NAND_BBT_2BIT
|
284 NAND_BBT_VERSION
| NAND_BBT_PERCHIP
,
289 .pattern
= da830_evm_nand_mirror_pattern
292 static struct davinci_aemif_timing da830_evm_nandflash_timing
= {
302 static struct davinci_nand_pdata da830_evm_nand_pdata
= {
304 .parts
= da830_evm_nand_partitions
,
305 .nr_parts
= ARRAY_SIZE(da830_evm_nand_partitions
),
306 .ecc_mode
= NAND_ECC_HW
,
308 .bbt_options
= NAND_BBT_USE_FLASH
,
309 .bbt_td
= &da830_evm_nand_bbt_main_descr
,
310 .bbt_md
= &da830_evm_nand_bbt_mirror_descr
,
311 .timing
= &da830_evm_nandflash_timing
,
314 static struct resource da830_evm_nand_resources
[] = {
315 [0] = { /* First memory resource is NAND I/O window */
316 .start
= DA8XX_AEMIF_CS3_BASE
,
317 .end
= DA8XX_AEMIF_CS3_BASE
+ PAGE_SIZE
- 1,
318 .flags
= IORESOURCE_MEM
,
320 [1] = { /* Second memory resource is AEMIF control registers */
321 .start
= DA8XX_AEMIF_CTL_BASE
,
322 .end
= DA8XX_AEMIF_CTL_BASE
+ SZ_32K
- 1,
323 .flags
= IORESOURCE_MEM
,
327 static struct platform_device da830_evm_aemif_devices
[] = {
329 .name
= "davinci_nand",
332 .platform_data
= &da830_evm_nand_pdata
,
334 .num_resources
= ARRAY_SIZE(da830_evm_nand_resources
),
335 .resource
= da830_evm_nand_resources
,
339 static struct resource da830_evm_aemif_resource
[] = {
341 .start
= DA8XX_AEMIF_CTL_BASE
,
342 .end
= DA8XX_AEMIF_CTL_BASE
+ SZ_32K
- 1,
343 .flags
= IORESOURCE_MEM
,
347 static struct aemif_abus_data da830_evm_aemif_abus_data
[] = {
353 static struct aemif_platform_data da830_evm_aemif_pdata
= {
354 .abus_data
= da830_evm_aemif_abus_data
,
355 .num_abus_data
= ARRAY_SIZE(da830_evm_aemif_abus_data
),
356 .sub_devices
= da830_evm_aemif_devices
,
357 .num_sub_devices
= ARRAY_SIZE(da830_evm_aemif_devices
),
361 static struct platform_device da830_evm_aemif_device
= {
365 .platform_data
= &da830_evm_aemif_pdata
,
367 .resource
= da830_evm_aemif_resource
,
368 .num_resources
= ARRAY_SIZE(da830_evm_aemif_resource
),
372 * UI board NAND/NOR flashes only use 8-bit data bus.
374 static const short da830_evm_emif25_pins
[] = {
375 DA830_EMA_D_0
, DA830_EMA_D_1
, DA830_EMA_D_2
, DA830_EMA_D_3
,
376 DA830_EMA_D_4
, DA830_EMA_D_5
, DA830_EMA_D_6
, DA830_EMA_D_7
,
377 DA830_EMA_A_0
, DA830_EMA_A_1
, DA830_EMA_A_2
, DA830_EMA_A_3
,
378 DA830_EMA_A_4
, DA830_EMA_A_5
, DA830_EMA_A_6
, DA830_EMA_A_7
,
379 DA830_EMA_A_8
, DA830_EMA_A_9
, DA830_EMA_A_10
, DA830_EMA_A_11
,
380 DA830_EMA_A_12
, DA830_EMA_BA_0
, DA830_EMA_BA_1
, DA830_NEMA_WE
,
381 DA830_NEMA_CS_2
, DA830_NEMA_CS_3
, DA830_NEMA_OE
, DA830_EMA_WAIT_0
,
385 static inline void da830_evm_init_nand(int mux_mode
)
390 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
391 "\tDisable MMC/SD for NAND support\n");
395 ret
= davinci_cfg_reg_list(da830_evm_emif25_pins
);
397 pr_warn("%s: emif25 mux setup failed: %d\n", __func__
, ret
);
399 ret
= platform_device_register(&da830_evm_aemif_device
);
401 pr_warn("%s: AEMIF device not registered\n", __func__
);
403 gpio_direction_output(mux_mode
, 1);
406 static inline void da830_evm_init_nand(int mux_mode
) { }
409 #ifdef CONFIG_DA830_UI_LCD
410 static inline void da830_evm_init_lcdc(int mux_mode
)
414 ret
= davinci_cfg_reg_list(da830_lcdcntl_pins
);
416 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__
, ret
);
418 ret
= da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata
);
420 pr_warn("%s: lcd setup failed: %d\n", __func__
, ret
);
422 gpio_direction_output(mux_mode
, 0);
425 static inline void da830_evm_init_lcdc(int mux_mode
) { }
428 static struct nvmem_cell_info da830_evm_nvmem_cells
[] = {
436 static struct nvmem_cell_table da830_evm_nvmem_cell_table
= {
437 .nvmem_name
= "1-00500",
438 .cells
= da830_evm_nvmem_cells
,
439 .ncells
= ARRAY_SIZE(da830_evm_nvmem_cells
),
442 static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup
= {
443 .nvmem_name
= "1-00500",
444 .cell_name
= "macaddr",
445 .dev_id
= "davinci_emac.1",
446 .con_id
= "mac-address",
449 static const struct property_entry da830_evm_i2c_eeprom_properties
[] = {
450 PROPERTY_ENTRY_U32("pagesize", 64),
454 static int __init
da830_evm_ui_expander_setup(struct i2c_client
*client
,
455 int gpio
, unsigned ngpio
, void *context
)
457 gpio_request(gpio
+ 6, "UI MUX_MODE");
459 /* Drive mux mode low to match the default without UI card */
460 gpio_direction_output(gpio
+ 6, 0);
462 da830_evm_init_lcdc(gpio
+ 6);
464 da830_evm_init_nand(gpio
+ 6);
469 static int da830_evm_ui_expander_teardown(struct i2c_client
*client
, int gpio
,
470 unsigned ngpio
, void *context
)
476 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info
= {
477 .gpio_base
= DAVINCI_N_GPIO
,
478 .setup
= da830_evm_ui_expander_setup
,
479 .teardown
= da830_evm_ui_expander_teardown
,
482 static struct i2c_board_info __initdata da830_evm_i2c_devices
[] = {
484 I2C_BOARD_INFO("24c256", 0x50),
485 .properties
= da830_evm_i2c_eeprom_properties
,
488 I2C_BOARD_INFO("tlv320aic3x", 0x18),
491 I2C_BOARD_INFO("pcf8574", 0x3f),
492 .platform_data
= &da830_evm_ui_expander_info
,
496 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata
= {
497 .bus_freq
= 100, /* kHz */
498 .bus_delay
= 0, /* usec */
502 * The following EDMA channels/slots are not being used by drivers (for
503 * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
504 * they are being reserved for codecs on the DSP side.
506 static const s16 da830_dma_rsv_chans
[][2] = {
507 /* (offset, number) */
515 static const s16 da830_dma_rsv_slots
[][2] = {
516 /* (offset, number) */
524 static struct edma_rsv_info da830_edma_rsv
[] = {
526 .rsv_chans
= da830_dma_rsv_chans
,
527 .rsv_slots
= da830_dma_rsv_slots
,
531 static struct mtd_partition da830evm_spiflash_part
[] = {
536 .mask_flags
= MTD_WRITEABLE
,
540 .offset
= MTDPART_OFS_APPEND
,
541 .size
= SZ_16K
+ SZ_8K
,
542 .mask_flags
= MTD_WRITEABLE
,
546 .offset
= MTDPART_OFS_APPEND
,
547 .size
= SZ_256K
- SZ_32K
,
548 .mask_flags
= MTD_WRITEABLE
,
551 .name
= "U-Boot-Environment",
552 .offset
= MTDPART_OFS_APPEND
,
558 .offset
= MTDPART_OFS_APPEND
,
559 .size
= MTDPART_SIZ_FULL
,
564 static struct flash_platform_data da830evm_spiflash_data
= {
566 .parts
= da830evm_spiflash_part
,
567 .nr_parts
= ARRAY_SIZE(da830evm_spiflash_part
),
571 static struct davinci_spi_config da830evm_spiflash_cfg
= {
572 .io_type
= SPI_IO_TYPE_DMA
,
577 static struct spi_board_info da830evm_spi_info
[] = {
579 .modalias
= "m25p80",
580 .platform_data
= &da830evm_spiflash_data
,
581 .controller_data
= &da830evm_spiflash_cfg
,
583 .max_speed_hz
= 30000000,
589 static __init
void da830_evm_init(void)
591 struct davinci_soc_info
*soc_info
= &davinci_soc_info
;
594 da830_register_clocks();
596 ret
= da830_register_gpio();
598 pr_warn("%s: GPIO init failed: %d\n", __func__
, ret
);
600 ret
= da830_register_edma(da830_edma_rsv
);
602 pr_warn("%s: edma registration failed: %d\n", __func__
, ret
);
604 ret
= davinci_cfg_reg_list(da830_i2c0_pins
);
606 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__
, ret
);
608 ret
= da8xx_register_i2c(0, &da830_evm_i2c_0_pdata
);
610 pr_warn("%s: i2c0 registration failed: %d\n", __func__
, ret
);
612 da830_evm_usb_init();
614 soc_info
->emac_pdata
->rmii_en
= 1;
615 soc_info
->emac_pdata
->phy_id
= DA830_EVM_PHY_ID
;
617 ret
= davinci_cfg_reg_list(da830_cpgmac_pins
);
619 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__
, ret
);
621 ret
= da8xx_register_emac();
623 pr_warn("%s: emac registration failed: %d\n", __func__
, ret
);
625 ret
= da8xx_register_watchdog();
627 pr_warn("%s: watchdog registration failed: %d\n",
630 davinci_serial_init(da8xx_serial_device
);
632 nvmem_add_cell_table(&da830_evm_nvmem_cell_table
);
633 nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup
, 1);
635 i2c_register_board_info(1, da830_evm_i2c_devices
,
636 ARRAY_SIZE(da830_evm_i2c_devices
));
638 ret
= davinci_cfg_reg_list(da830_evm_mcasp1_pins
);
640 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__
, ret
);
642 da8xx_register_mcasp(1, &da830_evm_snd_data
);
644 da830_evm_init_mmc();
646 ret
= da8xx_register_rtc();
648 pr_warn("%s: rtc setup failed: %d\n", __func__
, ret
);
650 ret
= spi_register_board_info(da830evm_spi_info
,
651 ARRAY_SIZE(da830evm_spi_info
));
653 pr_warn("%s: spi info registration failed: %d\n",
656 ret
= da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info
));
658 pr_warn("%s: spi 0 registration failed: %d\n", __func__
, ret
);
660 regulator_has_full_constraints();
663 #ifdef CONFIG_SERIAL_8250_CONSOLE
664 static int __init
da830_evm_console_init(void)
666 if (!machine_is_davinci_da830_evm())
669 return add_preferred_console("ttyS", 2, "115200");
671 console_initcall(da830_evm_console_init
);
674 static void __init
da830_evm_map_io(void)
679 MACHINE_START(DAVINCI_DA830_EVM
, "DaVinci DA830/OMAP-L137/AM17x EVM")
680 .atag_offset
= 0x100,
681 .map_io
= da830_evm_map_io
,
682 .init_irq
= da830_init_irq
,
683 .init_time
= da830_init_time
,
684 .init_machine
= da830_evm_init
,
685 .init_late
= davinci_init_late
,
686 .dma_zone_size
= SZ_128M
,