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/kernel.h>
15 #include <linux/init.h>
16 #include <linux/console.h>
17 #include <linux/i2c.h>
18 #include <linux/i2c/at24.h>
19 #include <linux/i2c/pca953x.h>
20 #include <linux/input.h>
21 #include <linux/mfd/tps6507x.h>
22 #include <linux/gpio.h>
23 #include <linux/gpio_keys.h>
24 #include <linux/platform_device.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/regulator/tps6507x.h>
31 #include <linux/input/tps6507x-ts.h>
32 #include <linux/spi/spi.h>
33 #include <linux/spi/flash.h>
34 #include <linux/delay.h>
35 #include <linux/wl12xx.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/system_info.h>
41 #include <mach/cp_intc.h>
42 #include <mach/da8xx.h>
43 #include <mach/nand.h>
45 #include <mach/aemif.h>
48 #define DA850_EVM_PHY_ID "davinci_mdio-0:00"
49 #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
50 #define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
52 #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
53 #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
55 #define DA850_WLAN_EN GPIO_TO_PIN(6, 9)
56 #define DA850_WLAN_IRQ GPIO_TO_PIN(6, 10)
58 #define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
60 static struct mtd_partition da850evm_spiflash_part
[] = {
65 .mask_flags
= MTD_WRITEABLE
,
69 .offset
= MTDPART_OFS_APPEND
,
71 .mask_flags
= MTD_WRITEABLE
,
75 .offset
= MTDPART_OFS_APPEND
,
77 .mask_flags
= MTD_WRITEABLE
,
81 .offset
= MTDPART_OFS_APPEND
,
82 .size
= SZ_2M
+ SZ_512K
,
87 .offset
= MTDPART_OFS_APPEND
,
92 .name
= "MAC-Address",
93 .offset
= SZ_8M
- SZ_64K
,
95 .mask_flags
= MTD_WRITEABLE
,
99 static struct flash_platform_data da850evm_spiflash_data
= {
101 .parts
= da850evm_spiflash_part
,
102 .nr_parts
= ARRAY_SIZE(da850evm_spiflash_part
),
106 static struct davinci_spi_config da850evm_spiflash_cfg
= {
107 .io_type
= SPI_IO_TYPE_DMA
,
112 static struct spi_board_info da850evm_spi_info
[] = {
114 .modalias
= "m25p80",
115 .platform_data
= &da850evm_spiflash_data
,
116 .controller_data
= &da850evm_spiflash_cfg
,
118 .max_speed_hz
= 30000000,
125 static void da850_evm_m25p80_notify_add(struct mtd_info
*mtd
)
127 char *mac_addr
= davinci_soc_info
.emac_pdata
->mac_addr
;
130 if (!strcmp(mtd
->name
, "MAC-Address")) {
131 mtd_read(mtd
, 0, ETH_ALEN
, &retlen
, mac_addr
);
132 if (retlen
== ETH_ALEN
)
133 pr_info("Read MAC addr from SPI Flash: %pM\n",
138 static struct mtd_notifier da850evm_spi_notifier
= {
139 .add
= da850_evm_m25p80_notify_add
,
142 static void da850_evm_setup_mac_addr(void)
144 register_mtd_user(&da850evm_spi_notifier
);
147 static void da850_evm_setup_mac_addr(void) { }
150 static struct mtd_partition da850_evm_norflash_partition
[] = {
152 .name
= "bootloaders + env",
155 .mask_flags
= MTD_WRITEABLE
,
159 .offset
= MTDPART_OFS_APPEND
,
164 .name
= "filesystem",
165 .offset
= MTDPART_OFS_APPEND
,
166 .size
= MTDPART_SIZ_FULL
,
171 static struct physmap_flash_data da850_evm_norflash_data
= {
173 .parts
= da850_evm_norflash_partition
,
174 .nr_parts
= ARRAY_SIZE(da850_evm_norflash_partition
),
177 static struct resource da850_evm_norflash_resource
[] = {
179 .start
= DA8XX_AEMIF_CS2_BASE
,
180 .end
= DA8XX_AEMIF_CS2_BASE
+ SZ_32M
- 1,
181 .flags
= IORESOURCE_MEM
,
185 static struct platform_device da850_evm_norflash_device
= {
186 .name
= "physmap-flash",
189 .platform_data
= &da850_evm_norflash_data
,
192 .resource
= da850_evm_norflash_resource
,
195 static struct davinci_pm_config da850_pm_pdata
= {
199 static struct platform_device da850_pm_device
= {
200 .name
= "pm-davinci",
202 .platform_data
= &da850_pm_pdata
,
207 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
208 * (128K blocks). It may be used instead of the (default) SPI flash
209 * to boot, using TI's tools to install the secondary boot loader
212 static struct mtd_partition da850_evm_nandflash_partition
[] = {
214 .name
= "u-boot env",
217 .mask_flags
= MTD_WRITEABLE
,
221 .offset
= MTDPART_OFS_APPEND
,
223 .mask_flags
= MTD_WRITEABLE
,
227 .offset
= MTDPART_OFS_APPEND
,
229 .mask_flags
= MTD_WRITEABLE
,
238 .name
= "filesystem",
239 .offset
= MTDPART_OFS_APPEND
,
240 .size
= MTDPART_SIZ_FULL
,
245 static struct davinci_aemif_timing da850_evm_nandflash_timing
= {
255 static struct davinci_nand_pdata da850_evm_nandflash_data
= {
256 .parts
= da850_evm_nandflash_partition
,
257 .nr_parts
= ARRAY_SIZE(da850_evm_nandflash_partition
),
258 .ecc_mode
= NAND_ECC_HW
,
260 .bbt_options
= NAND_BBT_USE_FLASH
,
261 .timing
= &da850_evm_nandflash_timing
,
264 static struct resource da850_evm_nandflash_resource
[] = {
266 .start
= DA8XX_AEMIF_CS3_BASE
,
267 .end
= DA8XX_AEMIF_CS3_BASE
+ SZ_512K
+ 2 * SZ_1K
- 1,
268 .flags
= IORESOURCE_MEM
,
271 .start
= DA8XX_AEMIF_CTL_BASE
,
272 .end
= DA8XX_AEMIF_CTL_BASE
+ SZ_32K
- 1,
273 .flags
= IORESOURCE_MEM
,
277 static struct platform_device da850_evm_nandflash_device
= {
278 .name
= "davinci_nand",
281 .platform_data
= &da850_evm_nandflash_data
,
283 .num_resources
= ARRAY_SIZE(da850_evm_nandflash_resource
),
284 .resource
= da850_evm_nandflash_resource
,
287 static struct platform_device
*da850_evm_devices
[] __initdata
= {
288 &da850_evm_nandflash_device
,
289 &da850_evm_norflash_device
,
292 #define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
293 #define DA8XX_AEMIF_ASIZE_16BIT 0x1
295 static void __init
da850_evm_init_nor(void)
297 void __iomem
*aemif_addr
;
299 aemif_addr
= ioremap(DA8XX_AEMIF_CTL_BASE
, SZ_32K
);
301 /* Configure data bus width of CS2 to 16 bit */
302 writel(readl(aemif_addr
+ DA8XX_AEMIF_CE2CFG_OFFSET
) |
303 DA8XX_AEMIF_ASIZE_16BIT
,
304 aemif_addr
+ DA8XX_AEMIF_CE2CFG_OFFSET
);
309 static const short da850_evm_nand_pins
[] = {
310 DA850_EMA_D_0
, DA850_EMA_D_1
, DA850_EMA_D_2
, DA850_EMA_D_3
,
311 DA850_EMA_D_4
, DA850_EMA_D_5
, DA850_EMA_D_6
, DA850_EMA_D_7
,
312 DA850_EMA_A_1
, DA850_EMA_A_2
, DA850_NEMA_CS_3
, DA850_NEMA_CS_4
,
313 DA850_NEMA_WE
, DA850_NEMA_OE
,
317 static const short da850_evm_nor_pins
[] = {
318 DA850_EMA_BA_1
, DA850_EMA_CLK
, DA850_EMA_WAIT_1
, DA850_NEMA_CS_2
,
319 DA850_NEMA_WE
, DA850_NEMA_OE
, DA850_EMA_D_0
, DA850_EMA_D_1
,
320 DA850_EMA_D_2
, DA850_EMA_D_3
, DA850_EMA_D_4
, DA850_EMA_D_5
,
321 DA850_EMA_D_6
, DA850_EMA_D_7
, DA850_EMA_D_8
, DA850_EMA_D_9
,
322 DA850_EMA_D_10
, DA850_EMA_D_11
, DA850_EMA_D_12
, DA850_EMA_D_13
,
323 DA850_EMA_D_14
, DA850_EMA_D_15
, DA850_EMA_A_0
, DA850_EMA_A_1
,
324 DA850_EMA_A_2
, DA850_EMA_A_3
, DA850_EMA_A_4
, DA850_EMA_A_5
,
325 DA850_EMA_A_6
, DA850_EMA_A_7
, DA850_EMA_A_8
, DA850_EMA_A_9
,
326 DA850_EMA_A_10
, DA850_EMA_A_11
, DA850_EMA_A_12
, DA850_EMA_A_13
,
327 DA850_EMA_A_14
, DA850_EMA_A_15
, DA850_EMA_A_16
, DA850_EMA_A_17
,
328 DA850_EMA_A_18
, DA850_EMA_A_19
, DA850_EMA_A_20
, DA850_EMA_A_21
,
329 DA850_EMA_A_22
, DA850_EMA_A_23
,
333 #if defined(CONFIG_MMC_DAVINCI) || \
334 defined(CONFIG_MMC_DAVINCI_MODULE)
340 static inline void da850_evm_setup_nor_nand(void)
345 ret
= davinci_cfg_reg_list(da850_evm_nand_pins
);
347 pr_warning("da850_evm_init: nand mux setup failed: "
350 ret
= davinci_cfg_reg_list(da850_evm_nor_pins
);
352 pr_warning("da850_evm_init: nor mux setup failed: %d\n",
355 da850_evm_init_nor();
357 platform_add_devices(da850_evm_devices
,
358 ARRAY_SIZE(da850_evm_devices
));
362 #ifdef CONFIG_DA850_UI_RMII
363 static inline void da850_evm_setup_emac_rmii(int rmii_sel
)
365 struct davinci_soc_info
*soc_info
= &davinci_soc_info
;
367 soc_info
->emac_pdata
->rmii_en
= 1;
368 gpio_set_value_cansleep(rmii_sel
, 0);
371 static inline void da850_evm_setup_emac_rmii(int rmii_sel
) { }
375 #define DA850_KEYS_DEBOUNCE_MS 10
377 * At 200ms polling interval it is possible to miss an
378 * event by tapping very lightly on the push button but most
379 * pushes do result in an event; longer intervals require the
380 * user to hold the button whereas shorter intervals require
381 * more CPU time for polling.
383 #define DA850_GPIO_KEYS_POLL_MS 200
385 enum da850_evm_ui_exp_pins
{
386 DA850_EVM_UI_EXP_SEL_C
= 5,
387 DA850_EVM_UI_EXP_SEL_B
,
388 DA850_EVM_UI_EXP_SEL_A
,
389 DA850_EVM_UI_EXP_PB8
,
390 DA850_EVM_UI_EXP_PB7
,
391 DA850_EVM_UI_EXP_PB6
,
392 DA850_EVM_UI_EXP_PB5
,
393 DA850_EVM_UI_EXP_PB4
,
394 DA850_EVM_UI_EXP_PB3
,
395 DA850_EVM_UI_EXP_PB2
,
396 DA850_EVM_UI_EXP_PB1
,
399 static const char const *da850_evm_ui_exp
[] = {
400 [DA850_EVM_UI_EXP_SEL_C
] = "sel_c",
401 [DA850_EVM_UI_EXP_SEL_B
] = "sel_b",
402 [DA850_EVM_UI_EXP_SEL_A
] = "sel_a",
403 [DA850_EVM_UI_EXP_PB8
] = "pb8",
404 [DA850_EVM_UI_EXP_PB7
] = "pb7",
405 [DA850_EVM_UI_EXP_PB6
] = "pb6",
406 [DA850_EVM_UI_EXP_PB5
] = "pb5",
407 [DA850_EVM_UI_EXP_PB4
] = "pb4",
408 [DA850_EVM_UI_EXP_PB3
] = "pb3",
409 [DA850_EVM_UI_EXP_PB2
] = "pb2",
410 [DA850_EVM_UI_EXP_PB1
] = "pb1",
413 #define DA850_N_UI_PB 8
415 static struct gpio_keys_button da850_evm_ui_keys
[] = {
416 [0 ... DA850_N_UI_PB
- 1] = {
420 .debounce_interval
= DA850_KEYS_DEBOUNCE_MS
,
421 .code
= -1, /* assigned at runtime */
422 .gpio
= -1, /* assigned at runtime */
423 .desc
= NULL
, /* assigned at runtime */
427 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata
= {
428 .buttons
= da850_evm_ui_keys
,
429 .nbuttons
= ARRAY_SIZE(da850_evm_ui_keys
),
430 .poll_interval
= DA850_GPIO_KEYS_POLL_MS
,
433 static struct platform_device da850_evm_ui_keys_device
= {
434 .name
= "gpio-keys-polled",
437 .platform_data
= &da850_evm_ui_keys_pdata
441 static void da850_evm_ui_keys_init(unsigned gpio
)
444 struct gpio_keys_button
*button
;
446 for (i
= 0; i
< DA850_N_UI_PB
; i
++) {
447 button
= &da850_evm_ui_keys
[i
];
448 button
->code
= KEY_F8
- i
;
449 button
->desc
= (char *)
450 da850_evm_ui_exp
[DA850_EVM_UI_EXP_PB8
+ i
];
451 button
->gpio
= gpio
+ DA850_EVM_UI_EXP_PB8
+ i
;
455 static int da850_evm_ui_expander_setup(struct i2c_client
*client
, unsigned gpio
,
456 unsigned ngpio
, void *c
)
458 int sel_a
, sel_b
, sel_c
, ret
;
460 sel_a
= gpio
+ DA850_EVM_UI_EXP_SEL_A
;
461 sel_b
= gpio
+ DA850_EVM_UI_EXP_SEL_B
;
462 sel_c
= gpio
+ DA850_EVM_UI_EXP_SEL_C
;
464 ret
= gpio_request(sel_a
, da850_evm_ui_exp
[DA850_EVM_UI_EXP_SEL_A
]);
466 pr_warning("Cannot open UI expander pin %d\n", sel_a
);
467 goto exp_setup_sela_fail
;
470 ret
= gpio_request(sel_b
, da850_evm_ui_exp
[DA850_EVM_UI_EXP_SEL_B
]);
472 pr_warning("Cannot open UI expander pin %d\n", sel_b
);
473 goto exp_setup_selb_fail
;
476 ret
= gpio_request(sel_c
, da850_evm_ui_exp
[DA850_EVM_UI_EXP_SEL_C
]);
478 pr_warning("Cannot open UI expander pin %d\n", sel_c
);
479 goto exp_setup_selc_fail
;
482 /* deselect all functionalities */
483 gpio_direction_output(sel_a
, 1);
484 gpio_direction_output(sel_b
, 1);
485 gpio_direction_output(sel_c
, 1);
487 da850_evm_ui_keys_init(gpio
);
488 ret
= platform_device_register(&da850_evm_ui_keys_device
);
490 pr_warning("Could not register UI GPIO expander push-buttons");
491 goto exp_setup_keys_fail
;
494 pr_info("DA850/OMAP-L138 EVM UI card detected\n");
496 da850_evm_setup_nor_nand();
498 da850_evm_setup_emac_rmii(sel_a
);
512 static int da850_evm_ui_expander_teardown(struct i2c_client
*client
,
513 unsigned gpio
, unsigned ngpio
, void *c
)
515 platform_device_unregister(&da850_evm_ui_keys_device
);
517 /* deselect all functionalities */
518 gpio_set_value_cansleep(gpio
+ DA850_EVM_UI_EXP_SEL_C
, 1);
519 gpio_set_value_cansleep(gpio
+ DA850_EVM_UI_EXP_SEL_B
, 1);
520 gpio_set_value_cansleep(gpio
+ DA850_EVM_UI_EXP_SEL_A
, 1);
522 gpio_free(gpio
+ DA850_EVM_UI_EXP_SEL_C
);
523 gpio_free(gpio
+ DA850_EVM_UI_EXP_SEL_B
);
524 gpio_free(gpio
+ DA850_EVM_UI_EXP_SEL_A
);
529 /* assign the baseboard expander's GPIOs after the UI board's */
530 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
531 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
533 enum da850_evm_bb_exp_pins
{
534 DA850_EVM_BB_EXP_DEEP_SLEEP_EN
= 0,
535 DA850_EVM_BB_EXP_SW_RST
,
536 DA850_EVM_BB_EXP_TP_23
,
537 DA850_EVM_BB_EXP_TP_22
,
538 DA850_EVM_BB_EXP_TP_21
,
539 DA850_EVM_BB_EXP_USER_PB1
,
540 DA850_EVM_BB_EXP_USER_LED2
,
541 DA850_EVM_BB_EXP_USER_LED1
,
542 DA850_EVM_BB_EXP_USER_SW1
,
543 DA850_EVM_BB_EXP_USER_SW2
,
544 DA850_EVM_BB_EXP_USER_SW3
,
545 DA850_EVM_BB_EXP_USER_SW4
,
546 DA850_EVM_BB_EXP_USER_SW5
,
547 DA850_EVM_BB_EXP_USER_SW6
,
548 DA850_EVM_BB_EXP_USER_SW7
,
549 DA850_EVM_BB_EXP_USER_SW8
552 static const char const *da850_evm_bb_exp
[] = {
553 [DA850_EVM_BB_EXP_DEEP_SLEEP_EN
] = "deep_sleep_en",
554 [DA850_EVM_BB_EXP_SW_RST
] = "sw_rst",
555 [DA850_EVM_BB_EXP_TP_23
] = "tp_23",
556 [DA850_EVM_BB_EXP_TP_22
] = "tp_22",
557 [DA850_EVM_BB_EXP_TP_21
] = "tp_21",
558 [DA850_EVM_BB_EXP_USER_PB1
] = "user_pb1",
559 [DA850_EVM_BB_EXP_USER_LED2
] = "user_led2",
560 [DA850_EVM_BB_EXP_USER_LED1
] = "user_led1",
561 [DA850_EVM_BB_EXP_USER_SW1
] = "user_sw1",
562 [DA850_EVM_BB_EXP_USER_SW2
] = "user_sw2",
563 [DA850_EVM_BB_EXP_USER_SW3
] = "user_sw3",
564 [DA850_EVM_BB_EXP_USER_SW4
] = "user_sw4",
565 [DA850_EVM_BB_EXP_USER_SW5
] = "user_sw5",
566 [DA850_EVM_BB_EXP_USER_SW6
] = "user_sw6",
567 [DA850_EVM_BB_EXP_USER_SW7
] = "user_sw7",
568 [DA850_EVM_BB_EXP_USER_SW8
] = "user_sw8",
571 #define DA850_N_BB_USER_SW 8
573 static struct gpio_keys_button da850_evm_bb_keys
[] = {
578 .debounce_interval
= DA850_KEYS_DEBOUNCE_MS
,
580 .desc
= NULL
, /* assigned at runtime */
581 .gpio
= -1, /* assigned at runtime */
583 [1 ... DA850_N_BB_USER_SW
] = {
587 .debounce_interval
= DA850_KEYS_DEBOUNCE_MS
,
588 .code
= -1, /* assigned at runtime */
589 .desc
= NULL
, /* assigned at runtime */
590 .gpio
= -1, /* assigned at runtime */
594 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata
= {
595 .buttons
= da850_evm_bb_keys
,
596 .nbuttons
= ARRAY_SIZE(da850_evm_bb_keys
),
597 .poll_interval
= DA850_GPIO_KEYS_POLL_MS
,
600 static struct platform_device da850_evm_bb_keys_device
= {
601 .name
= "gpio-keys-polled",
604 .platform_data
= &da850_evm_bb_keys_pdata
608 static void da850_evm_bb_keys_init(unsigned gpio
)
611 struct gpio_keys_button
*button
;
613 button
= &da850_evm_bb_keys
[0];
614 button
->desc
= (char *)
615 da850_evm_bb_exp
[DA850_EVM_BB_EXP_USER_PB1
];
616 button
->gpio
= gpio
+ DA850_EVM_BB_EXP_USER_PB1
;
618 for (i
= 0; i
< DA850_N_BB_USER_SW
; i
++) {
619 button
= &da850_evm_bb_keys
[i
+ 1];
620 button
->code
= SW_LID
+ i
;
621 button
->desc
= (char *)
622 da850_evm_bb_exp
[DA850_EVM_BB_EXP_USER_SW1
+ i
];
623 button
->gpio
= gpio
+ DA850_EVM_BB_EXP_USER_SW1
+ i
;
627 #define DA850_N_BB_USER_LED 2
629 static struct gpio_led da850_evm_bb_leds
[] = {
630 [0 ... DA850_N_BB_USER_LED
- 1] = {
632 .gpio
= -1, /* assigned at runtime */
633 .name
= NULL
, /* assigned at runtime */
637 static struct gpio_led_platform_data da850_evm_bb_leds_pdata
= {
638 .leds
= da850_evm_bb_leds
,
639 .num_leds
= ARRAY_SIZE(da850_evm_bb_leds
),
642 static struct platform_device da850_evm_bb_leds_device
= {
646 .platform_data
= &da850_evm_bb_leds_pdata
650 static void da850_evm_bb_leds_init(unsigned gpio
)
653 struct gpio_led
*led
;
655 for (i
= 0; i
< DA850_N_BB_USER_LED
; i
++) {
656 led
= &da850_evm_bb_leds
[i
];
658 led
->gpio
= gpio
+ DA850_EVM_BB_EXP_USER_LED2
+ i
;
660 da850_evm_bb_exp
[DA850_EVM_BB_EXP_USER_LED2
+ i
];
664 static int da850_evm_bb_expander_setup(struct i2c_client
*client
,
665 unsigned gpio
, unsigned ngpio
,
671 * Register the switches and pushbutton on the baseboard as a gpio-keys
674 da850_evm_bb_keys_init(gpio
);
675 ret
= platform_device_register(&da850_evm_bb_keys_device
);
677 pr_warning("Could not register baseboard GPIO expander keys");
678 goto io_exp_setup_sw_fail
;
681 da850_evm_bb_leds_init(gpio
);
682 ret
= platform_device_register(&da850_evm_bb_leds_device
);
684 pr_warning("Could not register baseboard GPIO expander LEDS");
685 goto io_exp_setup_leds_fail
;
690 io_exp_setup_leds_fail
:
691 platform_device_unregister(&da850_evm_bb_keys_device
);
692 io_exp_setup_sw_fail
:
696 static int da850_evm_bb_expander_teardown(struct i2c_client
*client
,
697 unsigned gpio
, unsigned ngpio
, void *c
)
699 platform_device_unregister(&da850_evm_bb_leds_device
);
700 platform_device_unregister(&da850_evm_bb_keys_device
);
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
,
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
,
719 static struct i2c_board_info __initdata da850_evm_i2c_devices
[] = {
721 I2C_BOARD_INFO("tlv320aic3x", 0x18),
724 I2C_BOARD_INFO("tca6416", 0x20),
725 .platform_data
= &da850_evm_ui_expander_info
,
728 I2C_BOARD_INFO("tca6416", 0x21),
729 .platform_data
= &da850_evm_bb_expander_info
,
733 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata
= {
734 .bus_freq
= 100, /* kHz */
735 .bus_delay
= 0, /* usec */
738 static struct davinci_uart_config da850_evm_uart_config __initdata
= {
739 .enabled_uarts
= 0x7,
742 /* davinci da850 evm audio machine driver */
743 static u8 da850_iis_serializer_direction
[] = {
744 INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
745 INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
746 INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, TX_MODE
,
747 RX_MODE
, INACTIVE_MODE
, INACTIVE_MODE
, INACTIVE_MODE
,
750 static struct snd_platform_data da850_evm_snd_data
= {
751 .tx_dma_offset
= 0x2000,
752 .rx_dma_offset
= 0x2000,
753 .op_mode
= DAVINCI_MCASP_IIS_MODE
,
754 .num_serializer
= ARRAY_SIZE(da850_iis_serializer_direction
),
756 .serial_dir
= da850_iis_serializer_direction
,
757 .asp_chan_q
= EVENTQ_0
,
758 .version
= MCASP_VERSION_2
,
763 static const short da850_evm_mcasp_pins
[] __initconst
= {
764 DA850_AHCLKX
, DA850_ACLKX
, DA850_AFSX
,
765 DA850_AHCLKR
, DA850_ACLKR
, DA850_AFSR
, DA850_AMUTE
,
766 DA850_AXR_11
, DA850_AXR_12
,
770 static int da850_evm_mmc_get_ro(int index
)
772 return gpio_get_value(DA850_MMCSD_WP_PIN
);
775 static int da850_evm_mmc_get_cd(int index
)
777 return !gpio_get_value(DA850_MMCSD_CD_PIN
);
780 static struct davinci_mmc_config da850_mmc_config
= {
781 .get_ro
= da850_evm_mmc_get_ro
,
782 .get_cd
= da850_evm_mmc_get_cd
,
784 .max_freq
= 50000000,
785 .caps
= MMC_CAP_MMC_HIGHSPEED
| MMC_CAP_SD_HIGHSPEED
,
786 .version
= MMC_CTLR_VERSION_2
,
789 static const short da850_evm_mmcsd0_pins
[] __initconst
= {
790 DA850_MMCSD0_DAT_0
, DA850_MMCSD0_DAT_1
, DA850_MMCSD0_DAT_2
,
791 DA850_MMCSD0_DAT_3
, DA850_MMCSD0_CLK
, DA850_MMCSD0_CMD
,
792 DA850_GPIO4_0
, DA850_GPIO4_1
,
796 static void da850_panel_power_ctrl(int val
)
799 gpio_set_value(DA850_LCD_BL_PIN
, val
);
802 gpio_set_value(DA850_LCD_PWR_PIN
, val
);
805 static int da850_lcd_hw_init(void)
809 status
= gpio_request(DA850_LCD_BL_PIN
, "lcd bl\n");
813 status
= gpio_request(DA850_LCD_PWR_PIN
, "lcd pwr\n");
815 gpio_free(DA850_LCD_BL_PIN
);
819 gpio_direction_output(DA850_LCD_BL_PIN
, 0);
820 gpio_direction_output(DA850_LCD_PWR_PIN
, 0);
822 /* Switch off panel power and backlight */
823 da850_panel_power_ctrl(0);
825 /* Switch on panel power and backlight */
826 da850_panel_power_ctrl(1);
831 /* TPS65070 voltage regulator support */
834 static struct regulator_consumer_supply tps65070_dcdc1_consumers
[] = {
836 .supply
= "usb0_vdda33",
839 .supply
= "usb1_vdda33",
844 static struct regulator_consumer_supply tps65070_dcdc2_consumers
[] = {
846 .supply
= "dvdd3318_a",
849 .supply
= "dvdd3318_b",
852 .supply
= "dvdd3318_c",
857 static struct regulator_consumer_supply tps65070_dcdc3_consumers
[] = {
864 static struct regulator_consumer_supply tps65070_ldo1_consumers
[] = {
866 .supply
= "sata_vddr",
869 .supply
= "usb0_vdda18",
872 .supply
= "usb1_vdda18",
875 .supply
= "ddr_dvdd18",
880 static struct regulator_consumer_supply tps65070_ldo2_consumers
[] = {
882 .supply
= "sata_vdd",
885 .supply
= "pll0_vdda",
888 .supply
= "pll1_vdda",
891 .supply
= "usbs_cvdd",
894 .supply
= "vddarnwa1",
898 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
899 static struct tps6507x_reg_platform_data tps6507x_platform_data
= {
900 .defdcdc_default
= true,
903 static struct regulator_init_data tps65070_regulator_data
[] = {
909 .valid_ops_mask
= (REGULATOR_CHANGE_VOLTAGE
|
910 REGULATOR_CHANGE_STATUS
),
913 .num_consumer_supplies
= ARRAY_SIZE(tps65070_dcdc1_consumers
),
914 .consumer_supplies
= tps65070_dcdc1_consumers
,
922 .valid_ops_mask
= (REGULATOR_CHANGE_VOLTAGE
|
923 REGULATOR_CHANGE_STATUS
),
926 .num_consumer_supplies
= ARRAY_SIZE(tps65070_dcdc2_consumers
),
927 .consumer_supplies
= tps65070_dcdc2_consumers
,
928 .driver_data
= &tps6507x_platform_data
,
936 .valid_ops_mask
= (REGULATOR_CHANGE_VOLTAGE
|
937 REGULATOR_CHANGE_STATUS
),
940 .num_consumer_supplies
= ARRAY_SIZE(tps65070_dcdc3_consumers
),
941 .consumer_supplies
= tps65070_dcdc3_consumers
,
942 .driver_data
= &tps6507x_platform_data
,
950 .valid_ops_mask
= (REGULATOR_CHANGE_VOLTAGE
|
951 REGULATOR_CHANGE_STATUS
),
954 .num_consumer_supplies
= ARRAY_SIZE(tps65070_ldo1_consumers
),
955 .consumer_supplies
= tps65070_ldo1_consumers
,
963 .valid_ops_mask
= (REGULATOR_CHANGE_VOLTAGE
|
964 REGULATOR_CHANGE_STATUS
),
967 .num_consumer_supplies
= ARRAY_SIZE(tps65070_ldo2_consumers
),
968 .consumer_supplies
= tps65070_ldo2_consumers
,
972 static struct touchscreen_init_data tps6507x_touchscreen_data
= {
973 .poll_period
= 30, /* ms between touch samples */
974 .min_pressure
= 0x30, /* minimum pressure to trigger touch */
975 .vref
= 0, /* turn off vref when not using A/D */
976 .vendor
= 0, /* /sys/class/input/input?/id/vendor */
977 .product
= 65070, /* /sys/class/input/input?/id/product */
978 .version
= 0x100, /* /sys/class/input/input?/id/version */
981 static struct tps6507x_board tps_board
= {
982 .tps6507x_pmic_init_data
= &tps65070_regulator_data
[0],
983 .tps6507x_ts_init_data
= &tps6507x_touchscreen_data
,
986 static struct i2c_board_info __initdata da850_evm_tps65070_info
[] = {
988 I2C_BOARD_INFO("tps6507x", 0x48),
989 .platform_data
= &tps_board
,
993 static int __init
pmic_tps65070_init(void)
995 return i2c_register_board_info(1, da850_evm_tps65070_info
,
996 ARRAY_SIZE(da850_evm_tps65070_info
));
999 static const short da850_evm_lcdc_pins
[] = {
1000 DA850_GPIO2_8
, DA850_GPIO2_15
,
1004 static const short da850_evm_mii_pins
[] = {
1005 DA850_MII_TXEN
, DA850_MII_TXCLK
, DA850_MII_COL
, DA850_MII_TXD_3
,
1006 DA850_MII_TXD_2
, DA850_MII_TXD_1
, DA850_MII_TXD_0
, DA850_MII_RXER
,
1007 DA850_MII_CRS
, DA850_MII_RXCLK
, DA850_MII_RXDV
, DA850_MII_RXD_3
,
1008 DA850_MII_RXD_2
, DA850_MII_RXD_1
, DA850_MII_RXD_0
, DA850_MDIO_CLK
,
1013 static const short da850_evm_rmii_pins
[] = {
1014 DA850_RMII_TXD_0
, DA850_RMII_TXD_1
, DA850_RMII_TXEN
,
1015 DA850_RMII_CRS_DV
, DA850_RMII_RXD_0
, DA850_RMII_RXD_1
,
1016 DA850_RMII_RXER
, DA850_RMII_MHZ_50_CLK
, DA850_MDIO_CLK
,
1021 static int __init
da850_evm_config_emac(void)
1023 void __iomem
*cfg_chip3_base
;
1026 struct davinci_soc_info
*soc_info
= &davinci_soc_info
;
1027 u8 rmii_en
= soc_info
->emac_pdata
->rmii_en
;
1029 if (!machine_is_davinci_da850_evm())
1032 cfg_chip3_base
= DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG
);
1034 val
= __raw_readl(cfg_chip3_base
);
1038 ret
= davinci_cfg_reg_list(da850_evm_rmii_pins
);
1039 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1043 ret
= davinci_cfg_reg_list(da850_evm_mii_pins
);
1044 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1049 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
1052 /* configure the CFGCHIP3 register for RMII or MII */
1053 __raw_writel(val
, cfg_chip3_base
);
1055 ret
= davinci_cfg_reg(DA850_GPIO2_6
);
1057 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
1060 ret
= gpio_request(DA850_MII_MDIO_CLKEN_PIN
, "mdio_clk_en");
1062 pr_warning("Cannot open GPIO %d\n",
1063 DA850_MII_MDIO_CLKEN_PIN
);
1067 /* Enable/Disable MII MDIO clock */
1068 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN
, rmii_en
);
1070 soc_info
->emac_pdata
->phy_id
= DA850_EVM_PHY_ID
;
1072 ret
= da8xx_register_emac();
1074 pr_warning("da850_evm_init: emac registration failed: %d\n",
1079 device_initcall(da850_evm_config_emac
);
1082 * The following EDMA channels/slots are not being used by drivers (for
1083 * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1084 * they are being reserved for codecs on the DSP side.
1086 static const s16 da850_dma0_rsv_chans
[][2] = {
1087 /* (offset, number) */
1094 static const s16 da850_dma0_rsv_slots
[][2] = {
1095 /* (offset, number) */
1102 static const s16 da850_dma1_rsv_chans
[][2] = {
1103 /* (offset, number) */
1109 static const s16 da850_dma1_rsv_slots
[][2] = {
1110 /* (offset, number) */
1116 static struct edma_rsv_info da850_edma_cc0_rsv
= {
1117 .rsv_chans
= da850_dma0_rsv_chans
,
1118 .rsv_slots
= da850_dma0_rsv_slots
,
1121 static struct edma_rsv_info da850_edma_cc1_rsv
= {
1122 .rsv_chans
= da850_dma1_rsv_chans
,
1123 .rsv_slots
= da850_dma1_rsv_slots
,
1126 static struct edma_rsv_info
*da850_edma_rsv
[2] = {
1127 &da850_edma_cc0_rsv
,
1128 &da850_edma_cc1_rsv
,
1131 #ifdef CONFIG_CPU_FREQ
1132 static __init
int da850_evm_init_cpufreq(void)
1134 switch (system_rev
& 0xF) {
1136 da850_max_speed
= 456000;
1139 da850_max_speed
= 408000;
1142 da850_max_speed
= 372000;
1146 return da850_register_cpufreq("pll0_sysclk3");
1149 static __init
int da850_evm_init_cpufreq(void) { return 0; }
1152 #ifdef CONFIG_DA850_WL12XX
1154 static void wl12xx_set_power(int index
, bool power_on
)
1156 static bool power_state
;
1158 pr_debug("Powering %s wl12xx", power_on
? "on" : "off");
1160 if (power_on
== power_state
)
1162 power_state
= power_on
;
1165 /* Power up sequence required for wl127x devices */
1166 gpio_set_value(DA850_WLAN_EN
, 1);
1167 usleep_range(15000, 15000);
1168 gpio_set_value(DA850_WLAN_EN
, 0);
1169 usleep_range(1000, 1000);
1170 gpio_set_value(DA850_WLAN_EN
, 1);
1173 gpio_set_value(DA850_WLAN_EN
, 0);
1177 static struct davinci_mmc_config da850_wl12xx_mmc_config
= {
1178 .set_power
= wl12xx_set_power
,
1180 .max_freq
= 25000000,
1181 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_NONREMOVABLE
|
1182 MMC_CAP_POWER_OFF_CARD
,
1183 .version
= MMC_CTLR_VERSION_2
,
1186 static const short da850_wl12xx_pins
[] __initconst
= {
1187 DA850_MMCSD1_DAT_0
, DA850_MMCSD1_DAT_1
, DA850_MMCSD1_DAT_2
,
1188 DA850_MMCSD1_DAT_3
, DA850_MMCSD1_CLK
, DA850_MMCSD1_CMD
,
1189 DA850_GPIO6_9
, DA850_GPIO6_10
,
1193 static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata
= {
1195 .board_ref_clock
= WL12XX_REFCLOCK_38
,
1196 .platform_quirks
= WL12XX_PLATFORM_QUIRK_EDGE_IRQ
,
1199 static __init
int da850_wl12xx_init(void)
1203 ret
= davinci_cfg_reg_list(da850_wl12xx_pins
);
1205 pr_err("wl12xx/mmc mux setup failed: %d\n", ret
);
1209 ret
= da850_register_mmcsd1(&da850_wl12xx_mmc_config
);
1211 pr_err("wl12xx/mmc registration failed: %d\n", ret
);
1215 ret
= gpio_request_one(DA850_WLAN_EN
, GPIOF_OUT_INIT_LOW
, "wl12xx_en");
1217 pr_err("Could not request wl12xx enable gpio: %d\n", ret
);
1221 ret
= gpio_request_one(DA850_WLAN_IRQ
, GPIOF_IN
, "wl12xx_irq");
1223 pr_err("Could not request wl12xx irq gpio: %d\n", ret
);
1227 da850_wl12xx_wlan_data
.irq
= gpio_to_irq(DA850_WLAN_IRQ
);
1229 ret
= wl12xx_set_platform_data(&da850_wl12xx_wlan_data
);
1231 pr_err("Could not set wl12xx data: %d\n", ret
);
1238 gpio_free(DA850_WLAN_IRQ
);
1241 gpio_free(DA850_WLAN_EN
);
1247 #else /* CONFIG_DA850_WL12XX */
1249 static __init
int da850_wl12xx_init(void)
1254 #endif /* CONFIG_DA850_WL12XX */
1256 #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000)
1258 static __init
void da850_evm_init(void)
1262 ret
= pmic_tps65070_init();
1264 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
1267 ret
= da850_register_edma(da850_edma_rsv
);
1269 pr_warning("da850_evm_init: edma registration failed: %d\n",
1272 ret
= davinci_cfg_reg_list(da850_i2c0_pins
);
1274 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
1277 ret
= da8xx_register_i2c(0, &da850_evm_i2c_0_pdata
);
1279 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
1283 ret
= da8xx_register_watchdog();
1285 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
1289 ret
= davinci_cfg_reg_list(da850_evm_mmcsd0_pins
);
1291 pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
1294 ret
= gpio_request(DA850_MMCSD_CD_PIN
, "MMC CD\n");
1296 pr_warning("da850_evm_init: can not open GPIO %d\n",
1297 DA850_MMCSD_CD_PIN
);
1298 gpio_direction_input(DA850_MMCSD_CD_PIN
);
1300 ret
= gpio_request(DA850_MMCSD_WP_PIN
, "MMC WP\n");
1302 pr_warning("da850_evm_init: can not open GPIO %d\n",
1303 DA850_MMCSD_WP_PIN
);
1304 gpio_direction_input(DA850_MMCSD_WP_PIN
);
1306 ret
= da8xx_register_mmcsd0(&da850_mmc_config
);
1308 pr_warning("da850_evm_init: mmcsd0 registration failed:"
1311 ret
= da850_wl12xx_init();
1313 pr_warning("da850_evm_init: wl12xx initialization"
1314 " failed: %d\n", ret
);
1317 davinci_serial_init(&da850_evm_uart_config
);
1319 i2c_register_board_info(1, da850_evm_i2c_devices
,
1320 ARRAY_SIZE(da850_evm_i2c_devices
));
1323 * shut down uart 0 and 1; they are not used on the board and
1324 * accessing them causes endless "too much work in irq53" messages
1327 __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE
) + 0x30);
1328 __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE
) + 0x30);
1330 ret
= davinci_cfg_reg_list(da850_evm_mcasp_pins
);
1332 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
1335 da8xx_register_mcasp(0, &da850_evm_snd_data
);
1337 ret
= davinci_cfg_reg_list(da850_lcdcntl_pins
);
1339 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
1342 /* Handle board specific muxing for LCD here */
1343 ret
= davinci_cfg_reg_list(da850_evm_lcdc_pins
);
1345 pr_warning("da850_evm_init: evm specific lcd mux setup "
1346 "failed: %d\n", ret
);
1348 ret
= da850_lcd_hw_init();
1350 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
1353 sharp_lk043t1dg01_pdata
.panel_power_ctrl
= da850_panel_power_ctrl
,
1354 ret
= da8xx_register_lcdc(&sharp_lk043t1dg01_pdata
);
1356 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
1359 ret
= da8xx_register_rtc();
1361 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret
);
1363 ret
= da850_evm_init_cpufreq();
1365 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
1368 ret
= da8xx_register_cpuidle();
1370 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
1373 ret
= da850_register_pm(&da850_pm_device
);
1375 pr_warning("da850_evm_init: suspend registration failed: %d\n",
1378 ret
= da8xx_register_spi(1, da850evm_spi_info
,
1379 ARRAY_SIZE(da850evm_spi_info
));
1381 pr_warning("da850_evm_init: spi 1 registration failed: %d\n",
1384 ret
= da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE
);
1386 pr_warning("da850_evm_init: sata registration failed: %d\n",
1389 da850_evm_setup_mac_addr();
1392 #ifdef CONFIG_SERIAL_8250_CONSOLE
1393 static int __init
da850_evm_console_init(void)
1395 if (!machine_is_davinci_da850_evm())
1398 return add_preferred_console("ttyS", 2, "115200");
1400 console_initcall(da850_evm_console_init
);
1403 static void __init
da850_evm_map_io(void)
1408 MACHINE_START(DAVINCI_DA850_EVM
, "DaVinci DA850/OMAP-L138/AM18x EVM")
1409 .atag_offset
= 0x100,
1410 .map_io
= da850_evm_map_io
,
1411 .init_irq
= cp_intc_init
,
1412 .timer
= &davinci_timer
,
1413 .init_machine
= da850_evm_init
,
1414 .dma_zone_size
= SZ_128M
,
1415 .restart
= da8xx_restart
,