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>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
40 #include <plat/board.h>
41 #include <plat/common.h>
42 #include <mach/gpio.h>
43 #include <mach/hardware.h>
44 #include <plat/mcspi.h>
46 #include <plat/display.h>
47 #include <plat/nand.h>
50 #include "sdram-micron-mt46h32m32lf-6.h"
53 #define PANDORA_WIFI_IRQ_GPIO 21
54 #define PANDORA_WIFI_NRESET_GPIO 23
55 #define OMAP3_PANDORA_TS_GPIO 94
57 #define NAND_BLOCK_SIZE SZ_128K
59 static struct mtd_partition omap3pandora_nand_partitions[] = {
63 .size = 4 * NAND_BLOCK_SIZE,
64 .mask_flags = MTD_WRITEABLE
67 .offset = MTDPART_OFS_APPEND,
68 .size = 15 * NAND_BLOCK_SIZE,
71 .offset = MTDPART_OFS_APPEND,
72 .size = 1 * NAND_BLOCK_SIZE,
75 .offset = MTDPART_OFS_APPEND,
76 .size = 80 * NAND_BLOCK_SIZE,
79 .offset = MTDPART_OFS_APPEND,
80 .size = MTDPART_SIZ_FULL,
84 static struct omap_nand_platform_data pandora_nand_data = {
86 .devsize = 1, /* '0' for 8-bit, '1' for 16-bit device */
87 .parts = omap3pandora_nand_partitions,
88 .nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions),
91 static struct gpio_led pandora_gpio_leds[] = {
93 .name = "pandora::sd1",
94 .default_trigger = "mmc0",
97 .name = "pandora::sd2",
98 .default_trigger = "mmc1",
101 .name = "pandora::bluetooth",
104 .name = "pandora::wifi",
109 static struct gpio_led_platform_data pandora_gpio_led_data = {
110 .leds = pandora_gpio_leds,
111 .num_leds = ARRAY_SIZE(pandora_gpio_leds),
114 static struct platform_device pandora_leds_gpio = {
118 .platform_data = &pandora_gpio_led_data,
122 #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
127 .active_low = act_low, \
128 .debounce_interval = 4, \
129 .desc = "btn " descr, \
132 #define GPIO_BUTTON_LOW(gpio_num, event_code, description) \
133 GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
135 static struct gpio_keys_button pandora_gpio_keys[] = {
136 GPIO_BUTTON_LOW(110, KEY_UP, "up"),
137 GPIO_BUTTON_LOW(103, KEY_DOWN, "down"),
138 GPIO_BUTTON_LOW(96, KEY_LEFT, "left"),
139 GPIO_BUTTON_LOW(98, KEY_RIGHT, "right"),
140 GPIO_BUTTON_LOW(109, KEY_PAGEUP, "game 1"),
141 GPIO_BUTTON_LOW(111, KEY_END, "game 2"),
142 GPIO_BUTTON_LOW(106, KEY_PAGEDOWN, "game 3"),
143 GPIO_BUTTON_LOW(101, KEY_HOME, "game 4"),
144 GPIO_BUTTON_LOW(102, KEY_RIGHTSHIFT, "l"),
145 GPIO_BUTTON_LOW(97, KEY_KPPLUS, "l2"),
146 GPIO_BUTTON_LOW(105, KEY_RIGHTCTRL, "r"),
147 GPIO_BUTTON_LOW(107, KEY_KPMINUS, "r2"),
148 GPIO_BUTTON_LOW(104, KEY_LEFTCTRL, "ctrl"),
149 GPIO_BUTTON_LOW(99, KEY_MENU, "menu"),
150 GPIO_BUTTON_LOW(176, KEY_COFFEE, "hold"),
151 GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),
152 GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),
155 static struct gpio_keys_platform_data pandora_gpio_key_info = {
156 .buttons = pandora_gpio_keys,
157 .nbuttons = ARRAY_SIZE(pandora_gpio_keys),
160 static struct platform_device pandora_keys_gpio = {
164 .platform_data = &pandora_gpio_key_info,
168 static const uint32_t board_keymap[] = {
181 KEY(1, 5, KEY_SPACE),
182 KEY(2, 0, KEY_BACKSPACE),
208 KEY(7, 0, KEY_ENTER),
211 KEY(7, 3, KEY_LEFTSHIFT),
212 KEY(7, 4, KEY_COMMA),
215 static struct matrix_keymap_data board_map_data = {
216 .keymap = board_keymap,
217 .keymap_size = ARRAY_SIZE(board_keymap),
220 static struct twl4030_keypad_data pandora_kp_data = {
221 .keymap_data = &board_map_data,
227 static struct omap_dss_device pandora_lcd_device = {
229 .driver_name = "tpo_td043mtea1_panel",
230 .type = OMAP_DISPLAY_TYPE_DPI,
231 .phy.dpi.data_lines = 24,
235 static struct omap_dss_device pandora_tv_device = {
237 .driver_name = "venc",
238 .type = OMAP_DISPLAY_TYPE_VENC,
239 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
242 static struct omap_dss_device *pandora_dss_devices[] = {
247 static struct omap_dss_board_info pandora_dss_data = {
248 .num_devices = ARRAY_SIZE(pandora_dss_devices),
249 .devices = pandora_dss_devices,
250 .default_device = &pandora_lcd_device,
253 static struct platform_device pandora_dss_device = {
257 .platform_data = &pandora_dss_data,
261 static struct omap2_hsmmc_info omap3pandora_mmc[] = {
286 static int omap3pandora_twl_gpio_setup(struct device *dev,
287 unsigned gpio, unsigned ngpio)
291 /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
292 omap3pandora_mmc[0].gpio_cd = gpio + 0;
293 omap3pandora_mmc[1].gpio_cd = gpio + 1;
294 omap2_hsmmc_init(omap3pandora_mmc);
296 /* gpio + 13 drives 32kHz buffer for wifi module */
297 gpio_32khz = gpio + 13;
298 ret = gpio_request(gpio_32khz, "wifi 32kHz");
300 pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
304 ret = gpio_direction_output(gpio_32khz, 1);
306 pr_err("Cannot set GPIO line %d, ret=%d\n", gpio_32khz, ret);
313 gpio_free(gpio_32khz);
318 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
319 .gpio_base = OMAP_MAX_GPIO_LINES,
320 .irq_base = TWL4030_GPIO_IRQ_BASE,
321 .irq_end = TWL4030_GPIO_IRQ_END,
322 .setup = omap3pandora_twl_gpio_setup,
325 static struct regulator_consumer_supply pandora_vmmc1_supply =
326 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
328 static struct regulator_consumer_supply pandora_vmmc2_supply =
329 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
331 static struct regulator_consumer_supply pandora_vdda_dac_supply =
332 REGULATOR_SUPPLY("vdda_dac", "omapdss");
334 static struct regulator_consumer_supply pandora_vdds_supplies[] = {
335 REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
336 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
339 static struct regulator_consumer_supply pandora_vcc_lcd_supply =
340 REGULATOR_SUPPLY("vcc", "display0");
342 static struct regulator_consumer_supply pandora_usb_phy_supply =
343 REGULATOR_SUPPLY("hsusb0", "ehci-omap.0");
345 /* ads7846 on SPI and 2 nub controllers on I2C */
346 static struct regulator_consumer_supply pandora_vaux4_supplies[] = {
347 REGULATOR_SUPPLY("vcc", "spi1.0"),
348 REGULATOR_SUPPLY("vcc", "3-0066"),
349 REGULATOR_SUPPLY("vcc", "3-0067"),
352 static struct regulator_consumer_supply pandora_adac_supply =
353 REGULATOR_SUPPLY("vcc", "soc-audio");
355 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
356 static struct regulator_init_data pandora_vmmc1 = {
360 .valid_modes_mask = REGULATOR_MODE_NORMAL
361 | REGULATOR_MODE_STANDBY,
362 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
363 | REGULATOR_CHANGE_MODE
364 | REGULATOR_CHANGE_STATUS,
366 .num_consumer_supplies = 1,
367 .consumer_supplies = &pandora_vmmc1_supply,
370 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
371 static struct regulator_init_data pandora_vmmc2 = {
375 .valid_modes_mask = REGULATOR_MODE_NORMAL
376 | REGULATOR_MODE_STANDBY,
377 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
378 | REGULATOR_CHANGE_MODE
379 | REGULATOR_CHANGE_STATUS,
381 .num_consumer_supplies = 1,
382 .consumer_supplies = &pandora_vmmc2_supply,
385 /* VDAC for DSS driving S-Video */
386 static struct regulator_init_data pandora_vdac = {
391 .valid_modes_mask = REGULATOR_MODE_NORMAL
392 | REGULATOR_MODE_STANDBY,
393 .valid_ops_mask = REGULATOR_CHANGE_MODE
394 | REGULATOR_CHANGE_STATUS,
396 .num_consumer_supplies = 1,
397 .consumer_supplies = &pandora_vdda_dac_supply,
400 /* VPLL2 for digital video outputs */
401 static struct regulator_init_data pandora_vpll2 = {
406 .valid_modes_mask = REGULATOR_MODE_NORMAL
407 | REGULATOR_MODE_STANDBY,
408 .valid_ops_mask = REGULATOR_CHANGE_MODE
409 | REGULATOR_CHANGE_STATUS,
411 .num_consumer_supplies = ARRAY_SIZE(pandora_vdds_supplies),
412 .consumer_supplies = pandora_vdds_supplies,
416 static struct regulator_init_data pandora_vaux1 = {
421 .valid_modes_mask = REGULATOR_MODE_NORMAL
422 | REGULATOR_MODE_STANDBY,
423 .valid_ops_mask = REGULATOR_CHANGE_MODE
424 | REGULATOR_CHANGE_STATUS,
426 .num_consumer_supplies = 1,
427 .consumer_supplies = &pandora_vcc_lcd_supply,
430 /* VAUX2 for USB host PHY */
431 static struct regulator_init_data pandora_vaux2 = {
436 .valid_modes_mask = REGULATOR_MODE_NORMAL
437 | REGULATOR_MODE_STANDBY,
438 .valid_ops_mask = REGULATOR_CHANGE_MODE
439 | REGULATOR_CHANGE_STATUS,
441 .num_consumer_supplies = 1,
442 .consumer_supplies = &pandora_usb_phy_supply,
445 /* VAUX4 for ads7846 and nubs */
446 static struct regulator_init_data pandora_vaux4 = {
451 .valid_modes_mask = REGULATOR_MODE_NORMAL
452 | REGULATOR_MODE_STANDBY,
453 .valid_ops_mask = REGULATOR_CHANGE_MODE
454 | REGULATOR_CHANGE_STATUS,
456 .num_consumer_supplies = ARRAY_SIZE(pandora_vaux4_supplies),
457 .consumer_supplies = pandora_vaux4_supplies,
460 /* VSIM for audio DAC */
461 static struct regulator_init_data pandora_vsim = {
466 .valid_modes_mask = REGULATOR_MODE_NORMAL
467 | REGULATOR_MODE_STANDBY,
468 .valid_ops_mask = REGULATOR_CHANGE_MODE
469 | REGULATOR_CHANGE_STATUS,
471 .num_consumer_supplies = 1,
472 .consumer_supplies = &pandora_adac_supply,
475 static struct twl4030_usb_data omap3pandora_usb_data = {
476 .usb_mode = T2_USB_MODE_ULPI,
479 static struct twl4030_codec_audio_data omap3pandora_audio_data = {
480 .audio_mclk = 26000000,
483 static struct twl4030_codec_data omap3pandora_codec_data = {
484 .audio_mclk = 26000000,
485 .audio = &omap3pandora_audio_data,
488 static struct twl4030_platform_data omap3pandora_twldata = {
489 .irq_base = TWL4030_IRQ_BASE,
490 .irq_end = TWL4030_IRQ_END,
491 .gpio = &omap3pandora_gpio_data,
492 .usb = &omap3pandora_usb_data,
493 .codec = &omap3pandora_codec_data,
494 .vmmc1 = &pandora_vmmc1,
495 .vmmc2 = &pandora_vmmc2,
496 .vdac = &pandora_vdac,
497 .vpll2 = &pandora_vpll2,
498 .vaux1 = &pandora_vaux1,
499 .vaux2 = &pandora_vaux2,
500 .vaux4 = &pandora_vaux4,
501 .vsim = &pandora_vsim,
502 .keypad = &pandora_kp_data,
505 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
507 I2C_BOARD_INFO("tps65950", 0x48),
508 .flags = I2C_CLIENT_WAKE,
509 .irq = INT_34XX_SYS_NIRQ,
510 .platform_data = &omap3pandora_twldata,
514 static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
516 I2C_BOARD_INFO("bq27500", 0x55),
517 .flags = I2C_CLIENT_WAKE,
521 static int __init omap3pandora_i2c_init(void)
523 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
524 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
525 /* i2c2 pins are not connected */
526 omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
527 ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
531 static void __init omap3pandora_ads7846_init(void)
533 int gpio = OMAP3_PANDORA_TS_GPIO;
536 ret = gpio_request(gpio, "ads7846_pen_down");
538 printk(KERN_ERR "Failed to request GPIO %d for "
539 "ads7846 pen down IRQ\n", gpio);
543 gpio_direction_input(gpio);
546 static int ads7846_get_pendown_state(void)
548 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
551 static struct ads7846_platform_data ads7846_config = {
559 .get_pendown_state = ads7846_get_pendown_state,
563 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
565 .single_channel = 1, /* 0: slave, 1: master */
568 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
570 .modalias = "ads7846",
573 .max_speed_hz = 1500000,
574 .controller_data = &ads7846_mcspi_config,
575 .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
576 .platform_data = &ads7846_config,
578 .modalias = "tpo_td043mtea1_panel_spi",
581 .max_speed_hz = 375000,
582 .platform_data = &pandora_lcd_device,
586 static void __init omap3pandora_init_irq(void)
588 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
589 mt46h32m32lf6_sdrc_params);
594 static void pandora_wl1251_set_power(bool enable)
597 * Keep power always on until wl1251_sdio driver learns to re-init
598 * the chip after powering it down and back up.
602 static struct wl12xx_platform_data pandora_wl1251_pdata = {
603 .set_power = pandora_wl1251_set_power,
607 static struct platform_device pandora_wl1251_data = {
608 .name = "wl1251_data",
611 .platform_data = &pandora_wl1251_pdata,
615 static void pandora_wl1251_init(void)
619 ret = gpio_request(PANDORA_WIFI_IRQ_GPIO, "wl1251 irq");
623 ret = gpio_direction_input(PANDORA_WIFI_IRQ_GPIO);
627 pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
628 if (pandora_wl1251_pdata.irq < 0)
631 ret = gpio_request(PANDORA_WIFI_NRESET_GPIO, "wl1251 nreset");
635 /* start powered so that it probes with MMC subsystem */
636 ret = gpio_direction_output(PANDORA_WIFI_NRESET_GPIO, 1);
643 gpio_free(PANDORA_WIFI_NRESET_GPIO);
645 gpio_free(PANDORA_WIFI_IRQ_GPIO);
647 printk(KERN_ERR "wl1251 board initialisation failed\n");
650 static struct platform_device *omap3pandora_devices[] __initdata = {
654 &pandora_wl1251_data,
657 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
659 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
660 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
661 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
664 .reset_gpio_port[0] = 16,
665 .reset_gpio_port[1] = -EINVAL,
666 .reset_gpio_port[2] = -EINVAL
669 #ifdef CONFIG_OMAP_MUX
670 static struct omap_board_mux board_mux[] __initdata = {
671 { .reg_offset = OMAP_MUX_TERMINATOR },
674 #define board_mux NULL
677 static struct omap_musb_board_data musb_board_data = {
678 .interface_type = MUSB_INTERFACE_ULPI,
683 static void __init omap3pandora_init(void)
685 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
686 omap3pandora_i2c_init();
687 pandora_wl1251_init();
688 platform_add_devices(omap3pandora_devices,
689 ARRAY_SIZE(omap3pandora_devices));
691 spi_register_board_info(omap3pandora_spi_board_info,
692 ARRAY_SIZE(omap3pandora_spi_board_info));
693 omap3pandora_ads7846_init();
694 usb_ehci_init(&ehci_pdata);
695 usb_musb_init(&musb_board_data);
696 gpmc_nand_init(&pandora_nand_data);
698 /* Ensure SDRC pins are mux'd for self-refresh */
699 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
700 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
703 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
704 .phys_io = 0x48000000,
705 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
706 .boot_params = 0x80000100,
707 .map_io = omap3_map_io,
708 .reserve = omap_reserve,
709 .init_irq = omap3pandora_init_irq,
710 .init_machine = omap3pandora_init,
711 .timer = &omap_timer,