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
),
65 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
69 static struct fixed_voltage_config da830_evm_usb_vbus
= {
70 .supply_name
= "vbus",
71 .microvolts
= 33000000,
72 .init_data
= &da830_evm_usb_vbus_data
,
75 static struct platform_device da830_evm_usb_vbus_device
= {
76 .name
= "reg-fixed-voltage",
79 .platform_data
= &da830_evm_usb_vbus
,
83 static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup
= {
84 .dev_id
= "ohci-da8xx",
86 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC
, "oc", 0),
91 static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup
= {
92 .dev_id
= "reg-fixed-voltage.0",
94 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV
, NULL
, 0),
99 static struct gpiod_lookup_table
*da830_evm_usb_gpio_lookups
[] = {
100 &da830_evm_usb_oc_gpio_lookup
,
101 &da830_evm_usb_vbus_gpio_lookup
,
104 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata
= {
105 /* TPS2065 switch @ 5V */
106 .potpgt
= (3 + 1) / 2, /* 3 ms max */
109 static __init
void da830_evm_usb_init(void)
113 ret
= da8xx_register_usb_phy_clocks();
115 pr_warn("%s: USB PHY CLK registration failed: %d\n",
118 gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups
,
119 ARRAY_SIZE(da830_evm_usb_gpio_lookups
));
121 ret
= da8xx_register_usb_phy();
123 pr_warn("%s: USB PHY registration failed: %d\n",
126 ret
= davinci_cfg_reg(DA830_USB0_DRVVBUS
);
128 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__
, ret
);
131 * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
132 * with the power on to power good time of 3 ms.
134 ret
= da8xx_register_usb20(1000, 3);
136 pr_warn("%s: USB 2.0 registration failed: %d\n",
140 ret
= davinci_cfg_reg_list(da830_evm_usb11_pins
);
142 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__
, ret
);
146 ret
= platform_device_register(&da830_evm_usb_vbus_device
);
148 pr_warn("%s: Unable to register the vbus supply\n", __func__
);
152 ret
= da8xx_register_usb11(&da830_evm_usb11_pdata
);
154 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__
, ret
);
157 static const short da830_evm_mcasp1_pins
[] = {
158 DA830_AHCLKX1
, DA830_ACLKX1
, DA830_AFSX1
, DA830_AHCLKR1
, DA830_AFSR1
,
159 DA830_AMUTE1
, DA830_AXR1_0
, DA830_AXR1_1
, DA830_AXR1_2
, DA830_AXR1_5
,
160 DA830_ACLKR1
, DA830_AXR1_6
, DA830_AXR1_7
, DA830_AXR1_8
, DA830_AXR1_10
,
165 static u8 da830_iis_serializer_direction
[] = {
166 RX_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
167 INACTIVE_MODE
, TX_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
168 INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
171 static struct snd_platform_data da830_evm_snd_data
= {
172 .tx_dma_offset
= 0x2000,
173 .rx_dma_offset
= 0x2000,
174 .op_mode
= DAVINCI_MCASP_IIS_MODE
,
175 .num_serializer
= ARRAY_SIZE(da830_iis_serializer_direction
),
177 .serial_dir
= da830_iis_serializer_direction
,
178 .asp_chan_q
= EVENTQ_0
,
179 .version
= MCASP_VERSION_2
,
185 * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
187 static const short da830_evm_mmc_sd_pins
[] = {
188 DA830_MMCSD_DAT_0
, DA830_MMCSD_DAT_1
, DA830_MMCSD_DAT_2
,
189 DA830_MMCSD_DAT_3
, DA830_MMCSD_DAT_4
, DA830_MMCSD_DAT_5
,
190 DA830_MMCSD_DAT_6
, DA830_MMCSD_DAT_7
, DA830_MMCSD_CLK
,
191 DA830_MMCSD_CMD
, DA830_GPIO2_1
, DA830_GPIO2_2
,
195 #define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
196 #define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2)
198 static struct gpiod_lookup_table mmc_gpios_table
= {
199 .dev_id
= "da830-mmc.0",
201 /* gpio chip 1 contains gpio range 32-63 */
202 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN
, "cd",
204 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN
, "wp",
210 static struct davinci_mmc_config da830_evm_mmc_config
= {
212 .max_freq
= 50000000,
213 .caps
= MMC_CAP_MMC_HIGHSPEED
| MMC_CAP_SD_HIGHSPEED
,
216 static inline void da830_evm_init_mmc(void)
220 ret
= davinci_cfg_reg_list(da830_evm_mmc_sd_pins
);
222 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__
, ret
);
226 gpiod_add_lookup_table(&mmc_gpios_table
);
228 ret
= da8xx_register_mmcsd0(&da830_evm_mmc_config
);
230 pr_warn("%s: mmc/sd registration failed: %d\n", __func__
, ret
);
231 gpiod_remove_lookup_table(&mmc_gpios_table
);
235 #define HAS_MMC IS_ENABLED(CONFIG_MMC_DAVINCI)
237 #ifdef CONFIG_DA830_UI_NAND
238 static struct mtd_partition da830_evm_nand_partitions
[] = {
239 /* bootloader (U-Boot, etc) in first sector */
241 .name
= "bootloader",
244 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
246 /* bootloader params in the next sector */
249 .offset
= MTDPART_OFS_APPEND
,
251 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
256 .offset
= MTDPART_OFS_APPEND
,
262 .name
= "filesystem",
263 .offset
= MTDPART_OFS_APPEND
,
264 .size
= MTDPART_SIZ_FULL
,
269 /* flash bbt decriptors */
270 static uint8_t da830_evm_nand_bbt_pattern
[] = { 'B', 'b', 't', '0' };
271 static uint8_t da830_evm_nand_mirror_pattern
[] = { '1', 't', 'b', 'B' };
273 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr
= {
274 .options
= NAND_BBT_LASTBLOCK
| NAND_BBT_CREATE
|
275 NAND_BBT_WRITE
| NAND_BBT_2BIT
|
276 NAND_BBT_VERSION
| NAND_BBT_PERCHIP
,
281 .pattern
= da830_evm_nand_bbt_pattern
284 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr
= {
285 .options
= NAND_BBT_LASTBLOCK
| NAND_BBT_CREATE
|
286 NAND_BBT_WRITE
| NAND_BBT_2BIT
|
287 NAND_BBT_VERSION
| NAND_BBT_PERCHIP
,
292 .pattern
= da830_evm_nand_mirror_pattern
295 static struct davinci_aemif_timing da830_evm_nandflash_timing
= {
305 static struct davinci_nand_pdata da830_evm_nand_pdata
= {
307 .parts
= da830_evm_nand_partitions
,
308 .nr_parts
= ARRAY_SIZE(da830_evm_nand_partitions
),
309 .ecc_mode
= NAND_ECC_HW
,
311 .bbt_options
= NAND_BBT_USE_FLASH
,
312 .bbt_td
= &da830_evm_nand_bbt_main_descr
,
313 .bbt_md
= &da830_evm_nand_bbt_mirror_descr
,
314 .timing
= &da830_evm_nandflash_timing
,
317 static struct resource da830_evm_nand_resources
[] = {
318 [0] = { /* First memory resource is NAND I/O window */
319 .start
= DA8XX_AEMIF_CS3_BASE
,
320 .end
= DA8XX_AEMIF_CS3_BASE
+ PAGE_SIZE
- 1,
321 .flags
= IORESOURCE_MEM
,
323 [1] = { /* Second memory resource is AEMIF control registers */
324 .start
= DA8XX_AEMIF_CTL_BASE
,
325 .end
= DA8XX_AEMIF_CTL_BASE
+ SZ_32K
- 1,
326 .flags
= IORESOURCE_MEM
,
330 static struct platform_device da830_evm_aemif_devices
[] = {
332 .name
= "davinci_nand",
335 .platform_data
= &da830_evm_nand_pdata
,
337 .num_resources
= ARRAY_SIZE(da830_evm_nand_resources
),
338 .resource
= da830_evm_nand_resources
,
342 static struct resource da830_evm_aemif_resource
[] = {
344 .start
= DA8XX_AEMIF_CTL_BASE
,
345 .end
= DA8XX_AEMIF_CTL_BASE
+ SZ_32K
- 1,
346 .flags
= IORESOURCE_MEM
,
350 static struct aemif_abus_data da830_evm_aemif_abus_data
[] = {
356 static struct aemif_platform_data da830_evm_aemif_pdata
= {
357 .abus_data
= da830_evm_aemif_abus_data
,
358 .num_abus_data
= ARRAY_SIZE(da830_evm_aemif_abus_data
),
359 .sub_devices
= da830_evm_aemif_devices
,
360 .num_sub_devices
= ARRAY_SIZE(da830_evm_aemif_devices
),
364 static struct platform_device da830_evm_aemif_device
= {
368 .platform_data
= &da830_evm_aemif_pdata
,
370 .resource
= da830_evm_aemif_resource
,
371 .num_resources
= ARRAY_SIZE(da830_evm_aemif_resource
),
375 * UI board NAND/NOR flashes only use 8-bit data bus.
377 static const short da830_evm_emif25_pins
[] = {
378 DA830_EMA_D_0
, DA830_EMA_D_1
, DA830_EMA_D_2
, DA830_EMA_D_3
,
379 DA830_EMA_D_4
, DA830_EMA_D_5
, DA830_EMA_D_6
, DA830_EMA_D_7
,
380 DA830_EMA_A_0
, DA830_EMA_A_1
, DA830_EMA_A_2
, DA830_EMA_A_3
,
381 DA830_EMA_A_4
, DA830_EMA_A_5
, DA830_EMA_A_6
, DA830_EMA_A_7
,
382 DA830_EMA_A_8
, DA830_EMA_A_9
, DA830_EMA_A_10
, DA830_EMA_A_11
,
383 DA830_EMA_A_12
, DA830_EMA_BA_0
, DA830_EMA_BA_1
, DA830_NEMA_WE
,
384 DA830_NEMA_CS_2
, DA830_NEMA_CS_3
, DA830_NEMA_OE
, DA830_EMA_WAIT_0
,
388 static inline void da830_evm_init_nand(int mux_mode
)
393 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
394 "\tDisable MMC/SD for NAND support\n");
398 ret
= davinci_cfg_reg_list(da830_evm_emif25_pins
);
400 pr_warn("%s: emif25 mux setup failed: %d\n", __func__
, ret
);
402 ret
= platform_device_register(&da830_evm_aemif_device
);
404 pr_warn("%s: AEMIF device not registered\n", __func__
);
406 gpio_direction_output(mux_mode
, 1);
409 static inline void da830_evm_init_nand(int mux_mode
) { }
412 #ifdef CONFIG_DA830_UI_LCD
413 static inline void da830_evm_init_lcdc(int mux_mode
)
417 ret
= davinci_cfg_reg_list(da830_lcdcntl_pins
);
419 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__
, ret
);
421 ret
= da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata
);
423 pr_warn("%s: lcd setup failed: %d\n", __func__
, ret
);
425 gpio_direction_output(mux_mode
, 0);
428 static inline void da830_evm_init_lcdc(int mux_mode
) { }
431 static struct nvmem_cell_info da830_evm_nvmem_cells
[] = {
439 static struct nvmem_cell_table da830_evm_nvmem_cell_table
= {
440 .nvmem_name
= "1-00500",
441 .cells
= da830_evm_nvmem_cells
,
442 .ncells
= ARRAY_SIZE(da830_evm_nvmem_cells
),
445 static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup
= {
446 .nvmem_name
= "1-00500",
447 .cell_name
= "macaddr",
448 .dev_id
= "davinci_emac.1",
449 .con_id
= "mac-address",
452 static const struct property_entry da830_evm_i2c_eeprom_properties
[] = {
453 PROPERTY_ENTRY_U32("pagesize", 64),
457 static int __init
da830_evm_ui_expander_setup(struct i2c_client
*client
,
458 int gpio
, unsigned ngpio
, void *context
)
460 gpio_request(gpio
+ 6, "UI MUX_MODE");
462 /* Drive mux mode low to match the default without UI card */
463 gpio_direction_output(gpio
+ 6, 0);
465 da830_evm_init_lcdc(gpio
+ 6);
467 da830_evm_init_nand(gpio
+ 6);
472 static int da830_evm_ui_expander_teardown(struct i2c_client
*client
, int gpio
,
473 unsigned ngpio
, void *context
)
479 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info
= {
480 .gpio_base
= DAVINCI_N_GPIO
,
481 .setup
= da830_evm_ui_expander_setup
,
482 .teardown
= da830_evm_ui_expander_teardown
,
485 static struct i2c_board_info __initdata da830_evm_i2c_devices
[] = {
487 I2C_BOARD_INFO("24c256", 0x50),
488 .properties
= da830_evm_i2c_eeprom_properties
,
491 I2C_BOARD_INFO("tlv320aic3x", 0x18),
494 I2C_BOARD_INFO("pcf8574", 0x3f),
495 .platform_data
= &da830_evm_ui_expander_info
,
499 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata
= {
500 .bus_freq
= 100, /* kHz */
501 .bus_delay
= 0, /* usec */
505 * The following EDMA channels/slots are not being used by drivers (for
506 * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
507 * they are being reserved for codecs on the DSP side.
509 static const s16 da830_dma_rsv_chans
[][2] = {
510 /* (offset, number) */
518 static const s16 da830_dma_rsv_slots
[][2] = {
519 /* (offset, number) */
527 static struct edma_rsv_info da830_edma_rsv
[] = {
529 .rsv_chans
= da830_dma_rsv_chans
,
530 .rsv_slots
= da830_dma_rsv_slots
,
534 static struct mtd_partition da830evm_spiflash_part
[] = {
539 .mask_flags
= MTD_WRITEABLE
,
543 .offset
= MTDPART_OFS_APPEND
,
544 .size
= SZ_16K
+ SZ_8K
,
545 .mask_flags
= MTD_WRITEABLE
,
549 .offset
= MTDPART_OFS_APPEND
,
550 .size
= SZ_256K
- SZ_32K
,
551 .mask_flags
= MTD_WRITEABLE
,
554 .name
= "U-Boot-Environment",
555 .offset
= MTDPART_OFS_APPEND
,
561 .offset
= MTDPART_OFS_APPEND
,
562 .size
= MTDPART_SIZ_FULL
,
567 static struct flash_platform_data da830evm_spiflash_data
= {
569 .parts
= da830evm_spiflash_part
,
570 .nr_parts
= ARRAY_SIZE(da830evm_spiflash_part
),
574 static struct davinci_spi_config da830evm_spiflash_cfg
= {
575 .io_type
= SPI_IO_TYPE_DMA
,
580 static struct spi_board_info da830evm_spi_info
[] = {
582 .modalias
= "m25p80",
583 .platform_data
= &da830evm_spiflash_data
,
584 .controller_data
= &da830evm_spiflash_cfg
,
586 .max_speed_hz
= 30000000,
592 static __init
void da830_evm_init(void)
594 struct davinci_soc_info
*soc_info
= &davinci_soc_info
;
597 da830_register_clocks();
599 ret
= da830_register_gpio();
601 pr_warn("%s: GPIO init failed: %d\n", __func__
, ret
);
603 ret
= da830_register_edma(da830_edma_rsv
);
605 pr_warn("%s: edma registration failed: %d\n", __func__
, ret
);
607 ret
= davinci_cfg_reg_list(da830_i2c0_pins
);
609 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__
, ret
);
611 ret
= da8xx_register_i2c(0, &da830_evm_i2c_0_pdata
);
613 pr_warn("%s: i2c0 registration failed: %d\n", __func__
, ret
);
615 da830_evm_usb_init();
617 soc_info
->emac_pdata
->rmii_en
= 1;
618 soc_info
->emac_pdata
->phy_id
= DA830_EVM_PHY_ID
;
620 ret
= davinci_cfg_reg_list(da830_cpgmac_pins
);
622 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__
, ret
);
624 ret
= da8xx_register_emac();
626 pr_warn("%s: emac registration failed: %d\n", __func__
, ret
);
628 ret
= da8xx_register_watchdog();
630 pr_warn("%s: watchdog registration failed: %d\n",
633 davinci_serial_init(da8xx_serial_device
);
635 nvmem_add_cell_table(&da830_evm_nvmem_cell_table
);
636 nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup
, 1);
638 i2c_register_board_info(1, da830_evm_i2c_devices
,
639 ARRAY_SIZE(da830_evm_i2c_devices
));
641 ret
= davinci_cfg_reg_list(da830_evm_mcasp1_pins
);
643 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__
, ret
);
645 da8xx_register_mcasp(1, &da830_evm_snd_data
);
647 da830_evm_init_mmc();
649 ret
= da8xx_register_rtc();
651 pr_warn("%s: rtc setup failed: %d\n", __func__
, ret
);
653 ret
= spi_register_board_info(da830evm_spi_info
,
654 ARRAY_SIZE(da830evm_spi_info
));
656 pr_warn("%s: spi info registration failed: %d\n",
659 ret
= da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info
));
661 pr_warn("%s: spi 0 registration failed: %d\n", __func__
, ret
);
663 regulator_has_full_constraints();
666 #ifdef CONFIG_SERIAL_8250_CONSOLE
667 static int __init
da830_evm_console_init(void)
669 if (!machine_is_davinci_da830_evm())
672 return add_preferred_console("ttyS", 2, "115200");
674 console_initcall(da830_evm_console_init
);
677 static void __init
da830_evm_map_io(void)
682 MACHINE_START(DAVINCI_DA830_EVM
, "DaVinci DA830/OMAP-L137/AM17x EVM")
683 .atag_offset
= 0x100,
684 .map_io
= da830_evm_map_io
,
685 .init_irq
= da830_init_irq
,
686 .init_time
= da830_init_time
,
687 .init_machine
= da830_evm_init
,
688 .init_late
= davinci_init_late
,
689 .dma_zone_size
= SZ_128M
,