2 * board-omap3pandora.c (Pandora Handheld Console)
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/platform_device.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/ads7846.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/i2c/twl.h>
28 #include <linux/wl12xx.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/mtd/nand.h>
31 #include <linux/leds.h>
32 #include <linux/input.h>
33 #include <linux/input/matrix_keypad.h>
34 #include <linux/gpio_keys.h>
35 #include <linux/mmc/host.h>
36 #include <linux/mmc/card.h>
37 #include <linux/regulator/fixed.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
43 #include <plat/board.h>
44 #include <plat/common.h>
45 #include <mach/gpio.h>
46 #include <mach/hardware.h>
47 #include <plat/mcspi.h>
49 #include <plat/display.h>
50 #include <plat/nand.h>
53 #include "sdram-micron-mt46h32m32lf-6.h"
56 #define PANDORA_WIFI_IRQ_GPIO 21
57 #define PANDORA_WIFI_NRESET_GPIO 23
58 #define OMAP3_PANDORA_TS_GPIO 94
60 #define NAND_BLOCK_SIZE SZ_128K
62 static struct mtd_partition omap3pandora_nand_partitions
[] = {
66 .size
= 4 * NAND_BLOCK_SIZE
,
67 .mask_flags
= MTD_WRITEABLE
70 .offset
= MTDPART_OFS_APPEND
,
71 .size
= 15 * NAND_BLOCK_SIZE
,
74 .offset
= MTDPART_OFS_APPEND
,
75 .size
= 1 * NAND_BLOCK_SIZE
,
78 .offset
= MTDPART_OFS_APPEND
,
79 .size
= 80 * NAND_BLOCK_SIZE
,
82 .offset
= MTDPART_OFS_APPEND
,
83 .size
= MTDPART_SIZ_FULL
,
87 static struct omap_nand_platform_data pandora_nand_data
= {
89 .devsize
= 1, /* '0' for 8-bit, '1' for 16-bit device */
90 .parts
= omap3pandora_nand_partitions
,
91 .nr_parts
= ARRAY_SIZE(omap3pandora_nand_partitions
),
94 static struct gpio_led pandora_gpio_leds
[] = {
96 .name
= "pandora::sd1",
97 .default_trigger
= "mmc0",
100 .name
= "pandora::sd2",
101 .default_trigger
= "mmc1",
104 .name
= "pandora::bluetooth",
107 .name
= "pandora::wifi",
112 static struct gpio_led_platform_data pandora_gpio_led_data
= {
113 .leds
= pandora_gpio_leds
,
114 .num_leds
= ARRAY_SIZE(pandora_gpio_leds
),
117 static struct platform_device pandora_leds_gpio
= {
121 .platform_data
= &pandora_gpio_led_data
,
125 #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
130 .active_low = act_low, \
131 .debounce_interval = 4, \
132 .desc = "btn " descr, \
135 #define GPIO_BUTTON_LOW(gpio_num, event_code, description) \
136 GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
138 static struct gpio_keys_button pandora_gpio_keys
[] = {
139 GPIO_BUTTON_LOW(110, KEY_UP
, "up"),
140 GPIO_BUTTON_LOW(103, KEY_DOWN
, "down"),
141 GPIO_BUTTON_LOW(96, KEY_LEFT
, "left"),
142 GPIO_BUTTON_LOW(98, KEY_RIGHT
, "right"),
143 GPIO_BUTTON_LOW(109, KEY_PAGEUP
, "game 1"),
144 GPIO_BUTTON_LOW(111, KEY_END
, "game 2"),
145 GPIO_BUTTON_LOW(106, KEY_PAGEDOWN
, "game 3"),
146 GPIO_BUTTON_LOW(101, KEY_HOME
, "game 4"),
147 GPIO_BUTTON_LOW(102, KEY_RIGHTSHIFT
, "l"),
148 GPIO_BUTTON_LOW(97, KEY_KPPLUS
, "l2"),
149 GPIO_BUTTON_LOW(105, KEY_RIGHTCTRL
, "r"),
150 GPIO_BUTTON_LOW(107, KEY_KPMINUS
, "r2"),
151 GPIO_BUTTON_LOW(104, KEY_LEFTCTRL
, "ctrl"),
152 GPIO_BUTTON_LOW(99, KEY_MENU
, "menu"),
153 GPIO_BUTTON_LOW(176, KEY_COFFEE
, "hold"),
154 GPIO_BUTTON(100, EV_KEY
, KEY_LEFTALT
, 0, "alt"),
155 GPIO_BUTTON(108, EV_SW
, SW_LID
, 1, "lid"),
158 static struct gpio_keys_platform_data pandora_gpio_key_info
= {
159 .buttons
= pandora_gpio_keys
,
160 .nbuttons
= ARRAY_SIZE(pandora_gpio_keys
),
163 static struct platform_device pandora_keys_gpio
= {
167 .platform_data
= &pandora_gpio_key_info
,
171 static const uint32_t board_keymap
[] = {
184 KEY(1, 5, KEY_SPACE
),
185 KEY(2, 0, KEY_BACKSPACE
),
211 KEY(7, 0, KEY_ENTER
),
214 KEY(7, 3, KEY_LEFTSHIFT
),
215 KEY(7, 4, KEY_COMMA
),
218 static struct matrix_keymap_data board_map_data
= {
219 .keymap
= board_keymap
,
220 .keymap_size
= ARRAY_SIZE(board_keymap
),
223 static struct twl4030_keypad_data pandora_kp_data
= {
224 .keymap_data
= &board_map_data
,
230 static struct omap_dss_device pandora_lcd_device
= {
232 .driver_name
= "tpo_td043mtea1_panel",
233 .type
= OMAP_DISPLAY_TYPE_DPI
,
234 .phy
.dpi
.data_lines
= 24,
238 static struct omap_dss_device pandora_tv_device
= {
240 .driver_name
= "venc",
241 .type
= OMAP_DISPLAY_TYPE_VENC
,
242 .phy
.venc
.type
= OMAP_DSS_VENC_TYPE_SVIDEO
,
245 static struct omap_dss_device
*pandora_dss_devices
[] = {
250 static struct omap_dss_board_info pandora_dss_data
= {
251 .num_devices
= ARRAY_SIZE(pandora_dss_devices
),
252 .devices
= pandora_dss_devices
,
253 .default_device
= &pandora_lcd_device
,
256 static void pandora_wl1251_init_card(struct mmc_card
*card
)
259 * We have TI wl1251 attached to MMC3. Pass this information to
260 * SDIO core because it can't be probed by normal methods.
262 card
->quirks
|= MMC_QUIRK_NONSTD_SDIO
;
263 card
->cccr
.wide_bus
= 1;
264 card
->cis
.vendor
= 0x104c;
265 card
->cis
.device
= 0x9066;
266 card
->cis
.blksize
= 512;
267 card
->cis
.max_dtr
= 20000000;
270 static struct omap2_hsmmc_info omap3pandora_mmc
[] = {
273 .caps
= MMC_CAP_4_BIT_DATA
,
280 .caps
= MMC_CAP_4_BIT_DATA
,
288 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
291 .init_card
= pandora_wl1251_init_card
,
296 static int omap3pandora_twl_gpio_setup(struct device
*dev
,
297 unsigned gpio
, unsigned ngpio
)
301 /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
302 omap3pandora_mmc
[0].gpio_cd
= gpio
+ 0;
303 omap3pandora_mmc
[1].gpio_cd
= gpio
+ 1;
304 omap2_hsmmc_init(omap3pandora_mmc
);
306 /* gpio + 13 drives 32kHz buffer for wifi module */
307 gpio_32khz
= gpio
+ 13;
308 ret
= gpio_request(gpio_32khz
, "wifi 32kHz");
310 pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz
, ret
);
314 ret
= gpio_direction_output(gpio_32khz
, 1);
316 pr_err("Cannot set GPIO line %d, ret=%d\n", gpio_32khz
, ret
);
323 gpio_free(gpio_32khz
);
328 static struct twl4030_gpio_platform_data omap3pandora_gpio_data
= {
329 .gpio_base
= OMAP_MAX_GPIO_LINES
,
330 .irq_base
= TWL4030_GPIO_IRQ_BASE
,
331 .irq_end
= TWL4030_GPIO_IRQ_END
,
332 .setup
= omap3pandora_twl_gpio_setup
,
335 static struct regulator_consumer_supply pandora_vmmc1_supply
=
336 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0");
338 static struct regulator_consumer_supply pandora_vmmc2_supply
=
339 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
341 static struct regulator_consumer_supply pandora_vmmc3_supply
=
342 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2");
344 static struct regulator_consumer_supply pandora_vdda_dac_supply
=
345 REGULATOR_SUPPLY("vdda_dac", "omapdss");
347 static struct regulator_consumer_supply pandora_vdds_supplies
[] = {
348 REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
349 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
352 static struct regulator_consumer_supply pandora_vcc_lcd_supply
=
353 REGULATOR_SUPPLY("vcc", "display0");
355 static struct regulator_consumer_supply pandora_usb_phy_supply
=
356 REGULATOR_SUPPLY("hsusb0", "ehci-omap.0");
358 /* ads7846 on SPI and 2 nub controllers on I2C */
359 static struct regulator_consumer_supply pandora_vaux4_supplies
[] = {
360 REGULATOR_SUPPLY("vcc", "spi1.0"),
361 REGULATOR_SUPPLY("vcc", "3-0066"),
362 REGULATOR_SUPPLY("vcc", "3-0067"),
365 static struct regulator_consumer_supply pandora_adac_supply
=
366 REGULATOR_SUPPLY("vcc", "soc-audio");
368 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
369 static struct regulator_init_data pandora_vmmc1
= {
373 .valid_modes_mask
= REGULATOR_MODE_NORMAL
374 | REGULATOR_MODE_STANDBY
,
375 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
376 | REGULATOR_CHANGE_MODE
377 | REGULATOR_CHANGE_STATUS
,
379 .num_consumer_supplies
= 1,
380 .consumer_supplies
= &pandora_vmmc1_supply
,
383 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
384 static struct regulator_init_data pandora_vmmc2
= {
388 .valid_modes_mask
= REGULATOR_MODE_NORMAL
389 | REGULATOR_MODE_STANDBY
,
390 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
391 | REGULATOR_CHANGE_MODE
392 | REGULATOR_CHANGE_STATUS
,
394 .num_consumer_supplies
= 1,
395 .consumer_supplies
= &pandora_vmmc2_supply
,
398 /* VDAC for DSS driving S-Video */
399 static struct regulator_init_data pandora_vdac
= {
404 .valid_modes_mask
= REGULATOR_MODE_NORMAL
405 | REGULATOR_MODE_STANDBY
,
406 .valid_ops_mask
= REGULATOR_CHANGE_MODE
407 | REGULATOR_CHANGE_STATUS
,
409 .num_consumer_supplies
= 1,
410 .consumer_supplies
= &pandora_vdda_dac_supply
,
413 /* VPLL2 for digital video outputs */
414 static struct regulator_init_data pandora_vpll2
= {
419 .valid_modes_mask
= REGULATOR_MODE_NORMAL
420 | REGULATOR_MODE_STANDBY
,
421 .valid_ops_mask
= REGULATOR_CHANGE_MODE
422 | REGULATOR_CHANGE_STATUS
,
424 .num_consumer_supplies
= ARRAY_SIZE(pandora_vdds_supplies
),
425 .consumer_supplies
= pandora_vdds_supplies
,
429 static struct regulator_init_data pandora_vaux1
= {
434 .valid_modes_mask
= REGULATOR_MODE_NORMAL
435 | REGULATOR_MODE_STANDBY
,
436 .valid_ops_mask
= REGULATOR_CHANGE_MODE
437 | REGULATOR_CHANGE_STATUS
,
439 .num_consumer_supplies
= 1,
440 .consumer_supplies
= &pandora_vcc_lcd_supply
,
443 /* VAUX2 for USB host PHY */
444 static struct regulator_init_data pandora_vaux2
= {
449 .valid_modes_mask
= REGULATOR_MODE_NORMAL
450 | REGULATOR_MODE_STANDBY
,
451 .valid_ops_mask
= REGULATOR_CHANGE_MODE
452 | REGULATOR_CHANGE_STATUS
,
454 .num_consumer_supplies
= 1,
455 .consumer_supplies
= &pandora_usb_phy_supply
,
458 /* VAUX4 for ads7846 and nubs */
459 static struct regulator_init_data pandora_vaux4
= {
464 .valid_modes_mask
= REGULATOR_MODE_NORMAL
465 | REGULATOR_MODE_STANDBY
,
466 .valid_ops_mask
= REGULATOR_CHANGE_MODE
467 | REGULATOR_CHANGE_STATUS
,
469 .num_consumer_supplies
= ARRAY_SIZE(pandora_vaux4_supplies
),
470 .consumer_supplies
= pandora_vaux4_supplies
,
473 /* VSIM for audio DAC */
474 static struct regulator_init_data pandora_vsim
= {
479 .valid_modes_mask
= REGULATOR_MODE_NORMAL
480 | REGULATOR_MODE_STANDBY
,
481 .valid_ops_mask
= REGULATOR_CHANGE_MODE
482 | REGULATOR_CHANGE_STATUS
,
484 .num_consumer_supplies
= 1,
485 .consumer_supplies
= &pandora_adac_supply
,
488 /* Fixed regulator internal to Wifi module */
489 static struct regulator_init_data pandora_vmmc3
= {
491 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
493 .num_consumer_supplies
= 1,
494 .consumer_supplies
= &pandora_vmmc3_supply
,
497 static struct fixed_voltage_config pandora_vwlan
= {
498 .supply_name
= "vwlan",
499 .microvolts
= 1800000, /* 1.8V */
500 .gpio
= PANDORA_WIFI_NRESET_GPIO
,
501 .startup_delay
= 50000, /* 50ms */
503 .enabled_at_boot
= 0,
504 .init_data
= &pandora_vmmc3
,
507 static struct platform_device pandora_vwlan_device
= {
508 .name
= "reg-fixed-voltage",
511 .platform_data
= &pandora_vwlan
,
515 static struct twl4030_usb_data omap3pandora_usb_data
= {
516 .usb_mode
= T2_USB_MODE_ULPI
,
519 static struct twl4030_codec_audio_data omap3pandora_audio_data
;
521 static struct twl4030_codec_data omap3pandora_codec_data
= {
522 .audio_mclk
= 26000000,
523 .audio
= &omap3pandora_audio_data
,
526 static struct twl4030_bci_platform_data pandora_bci_data
;
528 static struct twl4030_platform_data omap3pandora_twldata
= {
529 .irq_base
= TWL4030_IRQ_BASE
,
530 .irq_end
= TWL4030_IRQ_END
,
531 .gpio
= &omap3pandora_gpio_data
,
532 .usb
= &omap3pandora_usb_data
,
533 .codec
= &omap3pandora_codec_data
,
534 .vmmc1
= &pandora_vmmc1
,
535 .vmmc2
= &pandora_vmmc2
,
536 .vdac
= &pandora_vdac
,
537 .vpll2
= &pandora_vpll2
,
538 .vaux1
= &pandora_vaux1
,
539 .vaux2
= &pandora_vaux2
,
540 .vaux4
= &pandora_vaux4
,
541 .vsim
= &pandora_vsim
,
542 .keypad
= &pandora_kp_data
,
543 .bci
= &pandora_bci_data
,
546 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo
[] = {
548 I2C_BOARD_INFO("tps65950", 0x48),
549 .flags
= I2C_CLIENT_WAKE
,
550 .irq
= INT_34XX_SYS_NIRQ
,
551 .platform_data
= &omap3pandora_twldata
,
555 static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo
[] = {
557 I2C_BOARD_INFO("bq27500", 0x55),
558 .flags
= I2C_CLIENT_WAKE
,
562 static int __init
omap3pandora_i2c_init(void)
564 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo
,
565 ARRAY_SIZE(omap3pandora_i2c_boardinfo
));
566 /* i2c2 pins are not connected */
567 omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo
,
568 ARRAY_SIZE(omap3pandora_i2c3_boardinfo
));
572 static void __init
omap3pandora_ads7846_init(void)
574 int gpio
= OMAP3_PANDORA_TS_GPIO
;
577 ret
= gpio_request(gpio
, "ads7846_pen_down");
579 printk(KERN_ERR
"Failed to request GPIO %d for "
580 "ads7846 pen down IRQ\n", gpio
);
584 gpio_direction_input(gpio
);
587 static int ads7846_get_pendown_state(void)
589 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO
);
592 static struct ads7846_platform_data ads7846_config
= {
600 .get_pendown_state
= ads7846_get_pendown_state
,
604 static struct omap2_mcspi_device_config ads7846_mcspi_config
= {
606 .single_channel
= 1, /* 0: slave, 1: master */
609 static struct spi_board_info omap3pandora_spi_board_info
[] __initdata
= {
611 .modalias
= "ads7846",
614 .max_speed_hz
= 1500000,
615 .controller_data
= &ads7846_mcspi_config
,
616 .irq
= OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO
),
617 .platform_data
= &ads7846_config
,
619 .modalias
= "tpo_td043mtea1_panel_spi",
622 .max_speed_hz
= 375000,
623 .platform_data
= &pandora_lcd_device
,
627 static void __init
omap3pandora_init_early(void)
629 omap2_init_common_infrastructure();
630 omap2_init_common_devices(mt46h32m32lf6_sdrc_params
,
631 mt46h32m32lf6_sdrc_params
);
634 static void __init
pandora_wl1251_init(void)
636 struct wl12xx_platform_data pandora_wl1251_pdata
;
639 memset(&pandora_wl1251_pdata
, 0, sizeof(pandora_wl1251_pdata
));
641 ret
= gpio_request(PANDORA_WIFI_IRQ_GPIO
, "wl1251 irq");
645 ret
= gpio_direction_input(PANDORA_WIFI_IRQ_GPIO
);
649 pandora_wl1251_pdata
.irq
= gpio_to_irq(PANDORA_WIFI_IRQ_GPIO
);
650 if (pandora_wl1251_pdata
.irq
< 0)
653 pandora_wl1251_pdata
.use_eeprom
= true;
654 ret
= wl12xx_set_platform_data(&pandora_wl1251_pdata
);
661 gpio_free(PANDORA_WIFI_IRQ_GPIO
);
663 printk(KERN_ERR
"wl1251 board initialisation failed\n");
666 static struct platform_device
*omap3pandora_devices
[] __initdata
= {
669 &pandora_vwlan_device
,
672 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst
= {
674 .port_mode
[0] = EHCI_HCD_OMAP_MODE_PHY
,
675 .port_mode
[1] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
676 .port_mode
[2] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
679 .reset_gpio_port
[0] = 16,
680 .reset_gpio_port
[1] = -EINVAL
,
681 .reset_gpio_port
[2] = -EINVAL
684 #ifdef CONFIG_OMAP_MUX
685 static struct omap_board_mux board_mux
[] __initdata
= {
686 { .reg_offset
= OMAP_MUX_TERMINATOR
},
690 static struct omap_musb_board_data musb_board_data
= {
691 .interface_type
= MUSB_INTERFACE_ULPI
,
696 static void __init
omap3pandora_init(void)
698 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
699 omap3pandora_i2c_init();
700 pandora_wl1251_init();
701 platform_add_devices(omap3pandora_devices
,
702 ARRAY_SIZE(omap3pandora_devices
));
703 omap_display_init(&pandora_dss_data
);
705 spi_register_board_info(omap3pandora_spi_board_info
,
706 ARRAY_SIZE(omap3pandora_spi_board_info
));
707 omap3pandora_ads7846_init();
708 usb_ehci_init(&ehci_pdata
);
709 usb_musb_init(&musb_board_data
);
710 gpmc_nand_init(&pandora_nand_data
);
712 /* Ensure SDRC pins are mux'd for self-refresh */
713 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT
);
714 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT
);
717 MACHINE_START(OMAP3_PANDORA
, "Pandora Handheld Console")
718 .boot_params
= 0x80000100,
719 .reserve
= omap_reserve
,
720 .map_io
= omap3_map_io
,
721 .init_early
= omap3pandora_init_early
,
722 .init_irq
= omap_init_irq
,
723 .init_machine
= omap3pandora_init
,
724 .timer
= &omap_timer
,