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/spi/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 struct platform_device pandora_dss_device = {
260 .platform_data = &pandora_dss_data,
264 static void pandora_wl1251_init_card(struct mmc_card *card)
267 * We have TI wl1251 attached to MMC3. Pass this information to
268 * SDIO core because it can't be probed by normal methods.
270 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
271 card->cccr.wide_bus = 1;
272 card->cis.vendor = 0x104c;
273 card->cis.device = 0x9066;
274 card->cis.blksize = 512;
275 card->cis.max_dtr = 20000000;
278 static struct omap2_hsmmc_info omap3pandora_mmc[] = {
281 .caps = MMC_CAP_4_BIT_DATA,
288 .caps = MMC_CAP_4_BIT_DATA,
296 .caps = MMC_CAP_4_BIT_DATA,
299 .init_card = pandora_wl1251_init_card,
304 static int omap3pandora_twl_gpio_setup(struct device *dev,
305 unsigned gpio, unsigned ngpio)
309 /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
310 omap3pandora_mmc[0].gpio_cd = gpio + 0;
311 omap3pandora_mmc[1].gpio_cd = gpio + 1;
312 omap2_hsmmc_init(omap3pandora_mmc);
314 /* gpio + 13 drives 32kHz buffer for wifi module */
315 gpio_32khz = gpio + 13;
316 ret = gpio_request(gpio_32khz, "wifi 32kHz");
318 pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
322 ret = gpio_direction_output(gpio_32khz, 1);
324 pr_err("Cannot set GPIO line %d, ret=%d\n", gpio_32khz, ret);
331 gpio_free(gpio_32khz);
336 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
337 .gpio_base = OMAP_MAX_GPIO_LINES,
338 .irq_base = TWL4030_GPIO_IRQ_BASE,
339 .irq_end = TWL4030_GPIO_IRQ_END,
340 .setup = omap3pandora_twl_gpio_setup,
343 static struct regulator_consumer_supply pandora_vmmc1_supply =
344 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
346 static struct regulator_consumer_supply pandora_vmmc2_supply =
347 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
349 static struct regulator_consumer_supply pandora_vmmc3_supply =
350 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.2");
352 static struct regulator_consumer_supply pandora_vdda_dac_supply =
353 REGULATOR_SUPPLY("vdda_dac", "omapdss");
355 static struct regulator_consumer_supply pandora_vdds_supplies[] = {
356 REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
357 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
360 static struct regulator_consumer_supply pandora_vcc_lcd_supply =
361 REGULATOR_SUPPLY("vcc", "display0");
363 static struct regulator_consumer_supply pandora_usb_phy_supply =
364 REGULATOR_SUPPLY("hsusb0", "ehci-omap.0");
366 /* ads7846 on SPI and 2 nub controllers on I2C */
367 static struct regulator_consumer_supply pandora_vaux4_supplies[] = {
368 REGULATOR_SUPPLY("vcc", "spi1.0"),
369 REGULATOR_SUPPLY("vcc", "3-0066"),
370 REGULATOR_SUPPLY("vcc", "3-0067"),
373 static struct regulator_consumer_supply pandora_adac_supply =
374 REGULATOR_SUPPLY("vcc", "soc-audio");
376 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
377 static struct regulator_init_data pandora_vmmc1 = {
381 .valid_modes_mask = REGULATOR_MODE_NORMAL
382 | REGULATOR_MODE_STANDBY,
383 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
384 | REGULATOR_CHANGE_MODE
385 | REGULATOR_CHANGE_STATUS,
387 .num_consumer_supplies = 1,
388 .consumer_supplies = &pandora_vmmc1_supply,
391 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
392 static struct regulator_init_data pandora_vmmc2 = {
396 .valid_modes_mask = REGULATOR_MODE_NORMAL
397 | REGULATOR_MODE_STANDBY,
398 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
399 | REGULATOR_CHANGE_MODE
400 | REGULATOR_CHANGE_STATUS,
402 .num_consumer_supplies = 1,
403 .consumer_supplies = &pandora_vmmc2_supply,
406 /* VDAC for DSS driving S-Video */
407 static struct regulator_init_data pandora_vdac = {
412 .valid_modes_mask = REGULATOR_MODE_NORMAL
413 | REGULATOR_MODE_STANDBY,
414 .valid_ops_mask = REGULATOR_CHANGE_MODE
415 | REGULATOR_CHANGE_STATUS,
417 .num_consumer_supplies = 1,
418 .consumer_supplies = &pandora_vdda_dac_supply,
421 /* VPLL2 for digital video outputs */
422 static struct regulator_init_data pandora_vpll2 = {
427 .valid_modes_mask = REGULATOR_MODE_NORMAL
428 | REGULATOR_MODE_STANDBY,
429 .valid_ops_mask = REGULATOR_CHANGE_MODE
430 | REGULATOR_CHANGE_STATUS,
432 .num_consumer_supplies = ARRAY_SIZE(pandora_vdds_supplies),
433 .consumer_supplies = pandora_vdds_supplies,
437 static struct regulator_init_data pandora_vaux1 = {
442 .valid_modes_mask = REGULATOR_MODE_NORMAL
443 | REGULATOR_MODE_STANDBY,
444 .valid_ops_mask = REGULATOR_CHANGE_MODE
445 | REGULATOR_CHANGE_STATUS,
447 .num_consumer_supplies = 1,
448 .consumer_supplies = &pandora_vcc_lcd_supply,
451 /* VAUX2 for USB host PHY */
452 static struct regulator_init_data pandora_vaux2 = {
457 .valid_modes_mask = REGULATOR_MODE_NORMAL
458 | REGULATOR_MODE_STANDBY,
459 .valid_ops_mask = REGULATOR_CHANGE_MODE
460 | REGULATOR_CHANGE_STATUS,
462 .num_consumer_supplies = 1,
463 .consumer_supplies = &pandora_usb_phy_supply,
466 /* VAUX4 for ads7846 and nubs */
467 static struct regulator_init_data pandora_vaux4 = {
472 .valid_modes_mask = REGULATOR_MODE_NORMAL
473 | REGULATOR_MODE_STANDBY,
474 .valid_ops_mask = REGULATOR_CHANGE_MODE
475 | REGULATOR_CHANGE_STATUS,
477 .num_consumer_supplies = ARRAY_SIZE(pandora_vaux4_supplies),
478 .consumer_supplies = pandora_vaux4_supplies,
481 /* VSIM for audio DAC */
482 static struct regulator_init_data pandora_vsim = {
487 .valid_modes_mask = REGULATOR_MODE_NORMAL
488 | REGULATOR_MODE_STANDBY,
489 .valid_ops_mask = REGULATOR_CHANGE_MODE
490 | REGULATOR_CHANGE_STATUS,
492 .num_consumer_supplies = 1,
493 .consumer_supplies = &pandora_adac_supply,
496 /* Fixed regulator internal to Wifi module */
497 static struct regulator_init_data pandora_vmmc3 = {
499 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
501 .num_consumer_supplies = 1,
502 .consumer_supplies = &pandora_vmmc3_supply,
505 static struct fixed_voltage_config pandora_vwlan = {
506 .supply_name = "vwlan",
507 .microvolts = 1800000, /* 1.8V */
508 .gpio = PANDORA_WIFI_NRESET_GPIO,
509 .startup_delay = 50000, /* 50ms */
511 .enabled_at_boot = 0,
512 .init_data = &pandora_vmmc3,
515 static struct platform_device pandora_vwlan_device = {
516 .name = "reg-fixed-voltage",
519 .platform_data = &pandora_vwlan,
523 static struct twl4030_usb_data omap3pandora_usb_data = {
524 .usb_mode = T2_USB_MODE_ULPI,
527 static struct twl4030_codec_audio_data omap3pandora_audio_data = {
528 .audio_mclk = 26000000,
531 static struct twl4030_codec_data omap3pandora_codec_data = {
532 .audio_mclk = 26000000,
533 .audio = &omap3pandora_audio_data,
536 static struct twl4030_bci_platform_data pandora_bci_data;
538 static struct twl4030_platform_data omap3pandora_twldata = {
539 .irq_base = TWL4030_IRQ_BASE,
540 .irq_end = TWL4030_IRQ_END,
541 .gpio = &omap3pandora_gpio_data,
542 .usb = &omap3pandora_usb_data,
543 .codec = &omap3pandora_codec_data,
544 .vmmc1 = &pandora_vmmc1,
545 .vmmc2 = &pandora_vmmc2,
546 .vdac = &pandora_vdac,
547 .vpll2 = &pandora_vpll2,
548 .vaux1 = &pandora_vaux1,
549 .vaux2 = &pandora_vaux2,
550 .vaux4 = &pandora_vaux4,
551 .vsim = &pandora_vsim,
552 .keypad = &pandora_kp_data,
553 .bci = &pandora_bci_data,
556 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
558 I2C_BOARD_INFO("tps65950", 0x48),
559 .flags = I2C_CLIENT_WAKE,
560 .irq = INT_34XX_SYS_NIRQ,
561 .platform_data = &omap3pandora_twldata,
565 static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
567 I2C_BOARD_INFO("bq27500", 0x55),
568 .flags = I2C_CLIENT_WAKE,
572 static int __init omap3pandora_i2c_init(void)
574 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
575 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
576 /* i2c2 pins are not connected */
577 omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
578 ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
582 static void __init omap3pandora_ads7846_init(void)
584 int gpio = OMAP3_PANDORA_TS_GPIO;
587 ret = gpio_request(gpio, "ads7846_pen_down");
589 printk(KERN_ERR "Failed to request GPIO %d for "
590 "ads7846 pen down IRQ\n", gpio);
594 gpio_direction_input(gpio);
597 static int ads7846_get_pendown_state(void)
599 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
602 static struct ads7846_platform_data ads7846_config = {
610 .get_pendown_state = ads7846_get_pendown_state,
614 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
616 .single_channel = 1, /* 0: slave, 1: master */
619 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
621 .modalias = "ads7846",
624 .max_speed_hz = 1500000,
625 .controller_data = &ads7846_mcspi_config,
626 .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
627 .platform_data = &ads7846_config,
629 .modalias = "tpo_td043mtea1_panel_spi",
632 .max_speed_hz = 375000,
633 .platform_data = &pandora_lcd_device,
637 static void __init omap3pandora_init_irq(void)
639 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
640 mt46h32m32lf6_sdrc_params);
645 static void pandora_wl1251_set_power(bool enable)
648 * Keep power always on until wl1251_sdio driver learns to re-init
649 * the chip after powering it down and back up.
653 static struct wl12xx_platform_data pandora_wl1251_pdata = {
654 .set_power = pandora_wl1251_set_power,
658 static struct platform_device pandora_wl1251_data = {
659 .name = "wl1251_data",
662 .platform_data = &pandora_wl1251_pdata,
666 static void pandora_wl1251_init(void)
670 ret = gpio_request(PANDORA_WIFI_IRQ_GPIO, "wl1251 irq");
674 ret = gpio_direction_input(PANDORA_WIFI_IRQ_GPIO);
678 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
679 if (pandora_wl1251_pdata.irq < 0)
685 gpio_free(PANDORA_WIFI_IRQ_GPIO);
687 printk(KERN_ERR "wl1251 board initialisation failed\n");
690 static struct platform_device *omap3pandora_devices[] __initdata = {
694 &pandora_wl1251_data,
695 &pandora_vwlan_device,
698 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
700 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
701 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
702 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
705 .reset_gpio_port[0] = 16,
706 .reset_gpio_port[1] = -EINVAL,
707 .reset_gpio_port[2] = -EINVAL
710 #ifdef CONFIG_OMAP_MUX
711 static struct omap_board_mux board_mux[] __initdata = {
712 { .reg_offset = OMAP_MUX_TERMINATOR },
715 #define board_mux NULL
718 static struct omap_musb_board_data musb_board_data = {
719 .interface_type = MUSB_INTERFACE_ULPI,
724 static void __init omap3pandora_init(void)
726 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
727 omap3pandora_i2c_init();
728 pandora_wl1251_init();
729 platform_add_devices(omap3pandora_devices,
730 ARRAY_SIZE(omap3pandora_devices));
732 spi_register_board_info(omap3pandora_spi_board_info,
733 ARRAY_SIZE(omap3pandora_spi_board_info));
734 omap3pandora_ads7846_init();
735 usb_ehci_init(&ehci_pdata);
736 usb_musb_init(&musb_board_data);
737 gpmc_nand_init(&pandora_nand_data);
739 /* Ensure SDRC pins are mux'd for self-refresh */
740 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
741 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
744 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
745 .phys_io = 0x48000000,
746 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
747 .boot_params = 0x80000100,
748 .map_io = omap3_map_io,
749 .reserve = omap_reserve,
750 .init_irq = omap3pandora_init_irq,
751 .init_machine = omap3pandora_init,
752 .timer = &omap_timer,