2 * Copyright (C) 2009 Integration Software and Electronic Engineering.
4 * Modified from mach-omap2/board-generic.c
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 #include <linux/err.h>
16 #include <linux/clk.h>
18 #include <linux/gpio.h>
19 #include <linux/interrupt.h>
21 #include <linux/regulator/machine.h>
22 #include <linux/regulator/fixed.h>
23 #include <linux/i2c/twl.h>
24 #include <linux/mmc/host.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
29 #include <plat/board.h>
30 #include <plat/common.h>
31 #include <plat/gpmc.h>
33 #include <plat/display.h>
34 #include <plat/panel-generic-dpi.h>
35 #include <plat/onenand.h>
39 #include "sdram-numonyx-m65kxxxxam.h"
41 #define IGEP2_SMSC911X_CS 5
42 #define IGEP2_SMSC911X_GPIO 176
43 #define IGEP2_GPIO_USBH_NRESET 24
44 #define IGEP2_GPIO_LED0_GREEN 26
45 #define IGEP2_GPIO_LED0_RED 27
46 #define IGEP2_GPIO_LED1_RED 28
47 #define IGEP2_GPIO_DVI_PUP 170
49 #define IGEP2_RB_GPIO_WIFI_NPD 94
50 #define IGEP2_RB_GPIO_WIFI_NRESET 95
51 #define IGEP2_RB_GPIO_BT_NRESET 137
52 #define IGEP2_RC_GPIO_WIFI_NPD 138
53 #define IGEP2_RC_GPIO_WIFI_NRESET 139
54 #define IGEP2_RC_GPIO_BT_NRESET 137
57 * IGEP2 Hardware Revision Table
59 * --------------------------------------------------------------------------
60 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
61 * --------------------------------------------------------------------------
62 * | 0 | B | high | gpio94 | gpio95 | - |
63 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
64 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
65 * --------------------------------------------------------------------------
68 #define IGEP2_BOARD_HWREV_B 0
69 #define IGEP2_BOARD_HWREV_C 1
73 static void __init igep2_get_revision(void)
77 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
79 if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_HW0_REV") == 0) &&
80 (gpio_direction_input(IGEP2_GPIO_LED1_RED) == 0)) {
81 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
83 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
84 hwrev = IGEP2_BOARD_HWREV_C;
85 } else if (ret == 1) {
86 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
87 hwrev = IGEP2_BOARD_HWREV_B;
89 pr_err("IGEP2: Unknown Hardware Revision\n");
93 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
94 pr_err("IGEP2: Unknown Hardware Revision\n");
97 gpio_free(IGEP2_GPIO_LED1_RED);
100 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
101 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
103 #define ONENAND_MAP 0x20000000
105 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
106 * Since the device is equipped with two DataRAMs, and two-plane NAND
107 * Flash memory array, these two component enables simultaneous program
108 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
109 * while Plane2 has only odd blocks such as block1, block3, block5.
110 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
113 static struct mtd_partition igep2_onenand_partitions[] = {
117 .size = 2 * (64*(2*2048))
121 .offset = MTDPART_OFS_APPEND,
122 .size = 6 * (64*(2*2048)),
125 .name = "Environment",
126 .offset = MTDPART_OFS_APPEND,
127 .size = 2 * (64*(2*2048)),
131 .offset = MTDPART_OFS_APPEND,
132 .size = 12 * (64*(2*2048)),
135 .name = "File System",
136 .offset = MTDPART_OFS_APPEND,
137 .size = MTDPART_SIZ_FULL,
141 static struct omap_onenand_platform_data igep2_onenand_data = {
142 .parts = igep2_onenand_partitions,
143 .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
144 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
147 static struct platform_device igep2_onenand_device = {
148 .name = "omap2-onenand",
151 .platform_data = &igep2_onenand_data,
155 static void __init igep2_flash_init(void)
158 u8 onenandcs = GPMC_CS_NUM + 1;
160 for (cs = 0; cs < GPMC_CS_NUM; cs++) {
162 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
164 /* Check if NAND/oneNAND is configured */
165 if ((ret & 0xC00) == 0x800)
167 pr_err("IGEP2: Unsupported NAND found\n");
169 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
170 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
176 if (onenandcs > GPMC_CS_NUM) {
177 pr_err("IGEP2: Unable to find configuration in GPMC\n");
181 igep2_onenand_data.cs = onenandcs;
183 if (platform_device_register(&igep2_onenand_device) < 0)
184 pr_err("IGEP2: Unable to register OneNAND device\n");
188 static void __init igep2_flash_init(void) {}
191 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
193 #include <linux/smsc911x.h>
195 static struct smsc911x_platform_config igep2_smsc911x_config = {
196 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
197 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
198 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
199 .phy_interface = PHY_INTERFACE_MODE_MII,
202 static struct resource igep2_smsc911x_resources[] = {
204 .flags = IORESOURCE_MEM,
207 .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
208 .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
209 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
213 static struct platform_device igep2_smsc911x_device = {
216 .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
217 .resource = igep2_smsc911x_resources,
219 .platform_data = &igep2_smsc911x_config,
223 static inline void __init igep2_init_smsc911x(void)
225 unsigned long cs_mem_base;
227 if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
228 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
229 gpmc_cs_free(IGEP2_SMSC911X_CS);
233 igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
234 igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
236 if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
237 (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
238 gpio_export(IGEP2_SMSC911X_GPIO, 0);
240 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
244 platform_device_register(&igep2_smsc911x_device);
248 static inline void __init igep2_init_smsc911x(void) { }
251 static struct regulator_consumer_supply igep2_vmmc1_supply =
252 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
254 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
255 static struct regulator_init_data igep2_vmmc1 = {
259 .valid_modes_mask = REGULATOR_MODE_NORMAL
260 | REGULATOR_MODE_STANDBY,
261 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
262 | REGULATOR_CHANGE_MODE
263 | REGULATOR_CHANGE_STATUS,
265 .num_consumer_supplies = 1,
266 .consumer_supplies = &igep2_vmmc1_supply,
269 static struct regulator_consumer_supply igep2_vio_supply =
270 REGULATOR_SUPPLY("vmmc_aux", "mmci-omap-hs.1");
272 static struct regulator_init_data igep2_vio = {
277 .valid_modes_mask = REGULATOR_MODE_NORMAL
278 | REGULATOR_MODE_STANDBY,
279 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
280 | REGULATOR_CHANGE_MODE
281 | REGULATOR_CHANGE_STATUS,
283 .num_consumer_supplies = 1,
284 .consumer_supplies = &igep2_vio_supply,
287 static struct regulator_consumer_supply igep2_vmmc2_supply =
288 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
290 static struct regulator_init_data igep2_vmmc2 = {
292 .valid_modes_mask = REGULATOR_MODE_NORMAL,
295 .num_consumer_supplies = 1,
296 .consumer_supplies = &igep2_vmmc2_supply,
299 static struct fixed_voltage_config igep2_vwlan = {
300 .supply_name = "vwlan",
301 .microvolts = 3300000,
303 .enabled_at_boot = 1,
304 .init_data = &igep2_vmmc2,
307 static struct platform_device igep2_vwlan_device = {
308 .name = "reg-fixed-voltage",
311 .platform_data = &igep2_vwlan,
315 static struct omap2_hsmmc_info mmc[] = {
318 .caps = MMC_CAP_4_BIT_DATA,
322 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
325 .caps = MMC_CAP_4_BIT_DATA,
333 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
334 #include <linux/leds.h>
336 static struct gpio_led igep2_gpio_leds[] = {
338 .name = "gpio-led:red:d0",
339 .gpio = IGEP2_GPIO_LED0_RED,
340 .default_trigger = "default-off"
343 .name = "gpio-led:green:d0",
344 .gpio = IGEP2_GPIO_LED0_GREEN,
345 .default_trigger = "default-off",
348 .name = "gpio-led:red:d1",
349 .gpio = IGEP2_GPIO_LED1_RED,
350 .default_trigger = "default-off",
353 .name = "gpio-led:green:d1",
354 .default_trigger = "heartbeat",
355 .gpio = -EINVAL, /* gets replaced */
360 static struct gpio_led_platform_data igep2_led_pdata = {
361 .leds = igep2_gpio_leds,
362 .num_leds = ARRAY_SIZE(igep2_gpio_leds),
365 static struct platform_device igep2_led_device = {
369 .platform_data = &igep2_led_pdata,
373 static void __init igep2_leds_init(void)
375 platform_device_register(&igep2_led_device);
379 static inline void igep2_leds_init(void)
381 if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
382 (gpio_direction_output(IGEP2_GPIO_LED0_RED, 0) == 0))
383 gpio_export(IGEP2_GPIO_LED0_RED, 0);
385 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
387 if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
388 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 0) == 0))
389 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
391 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
393 if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
394 (gpio_direction_output(IGEP2_GPIO_LED1_RED, 0) == 0))
395 gpio_export(IGEP2_GPIO_LED1_RED, 0);
397 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
402 static int igep2_twl_gpio_setup(struct device *dev,
403 unsigned gpio, unsigned ngpio)
405 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
406 mmc[0].gpio_cd = gpio + 0;
407 omap2_hsmmc_init(mmc);
410 * REVISIT: need ehci-omap hooks for external VBUS
411 * power switch and overcurrent detect
413 if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
414 (gpio_direction_input(gpio + 1) < 0))
415 pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
418 * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
421 if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
422 (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
423 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
425 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
426 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
427 if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
428 && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0))
429 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
431 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
433 igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
439 static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata = {
440 .gpio_base = OMAP_MAX_GPIO_LINES,
441 .irq_base = TWL4030_GPIO_IRQ_BASE,
442 .irq_end = TWL4030_GPIO_IRQ_END,
444 .setup = igep2_twl_gpio_setup,
447 static struct twl4030_usb_data igep2_usb_data = {
448 .usb_mode = T2_USB_MODE_ULPI,
451 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
453 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
458 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
460 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
463 static struct panel_generic_dpi_data dvi_panel = {
465 .platform_enable = igep2_enable_dvi,
466 .platform_disable = igep2_disable_dvi,
469 static struct omap_dss_device igep2_dvi_device = {
470 .type = OMAP_DISPLAY_TYPE_DPI,
472 .driver_name = "generic_dpi_panel",
474 .phy.dpi.data_lines = 24,
477 static struct omap_dss_device *igep2_dss_devices[] = {
481 static struct omap_dss_board_info igep2_dss_data = {
482 .num_devices = ARRAY_SIZE(igep2_dss_devices),
483 .devices = igep2_dss_devices,
484 .default_device = &igep2_dvi_device,
487 static struct platform_device igep2_dss_device = {
491 .platform_data = &igep2_dss_data,
495 static struct regulator_consumer_supply igep2_vpll2_supply = {
496 .supply = "vdds_dsi",
497 .dev = &igep2_dss_device.dev,
500 static struct regulator_init_data igep2_vpll2 = {
506 .valid_modes_mask = REGULATOR_MODE_NORMAL
507 | REGULATOR_MODE_STANDBY,
508 .valid_ops_mask = REGULATOR_CHANGE_MODE
509 | REGULATOR_CHANGE_STATUS,
511 .num_consumer_supplies = 1,
512 .consumer_supplies = &igep2_vpll2_supply,
515 static void __init igep2_display_init(void)
517 if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
518 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
519 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
522 static struct platform_device *igep2_devices[] __initdata = {
527 static void __init igep2_init_irq(void)
529 omap2_init_common_infrastructure();
530 omap2_init_common_devices(m65kxxxxam_sdrc_params,
531 m65kxxxxam_sdrc_params);
535 static struct twl4030_codec_audio_data igep2_audio_data = {
536 .audio_mclk = 26000000,
539 static struct twl4030_codec_data igep2_codec_data = {
540 .audio_mclk = 26000000,
541 .audio = &igep2_audio_data,
544 static struct twl4030_platform_data igep2_twldata = {
545 .irq_base = TWL4030_IRQ_BASE,
546 .irq_end = TWL4030_IRQ_END,
548 /* platform_data for children goes here */
549 .usb = &igep2_usb_data,
550 .codec = &igep2_codec_data,
551 .gpio = &igep2_twl4030_gpio_pdata,
552 .vmmc1 = &igep2_vmmc1,
553 .vpll2 = &igep2_vpll2,
557 static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {
559 I2C_BOARD_INFO("twl4030", 0x48),
560 .flags = I2C_CLIENT_WAKE,
561 .irq = INT_34XX_SYS_NIRQ,
562 .platform_data = &igep2_twldata,
566 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
568 I2C_BOARD_INFO("eeprom", 0x50),
572 static void __init igep2_i2c_init(void)
576 ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,
577 ARRAY_SIZE(igep2_i2c1_boardinfo));
579 pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);
582 * Bus 3 is attached to the DVI port where devices like the pico DLP
583 * projector don't work reliably with 400kHz
585 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
586 ARRAY_SIZE(igep2_i2c3_boardinfo));
588 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
591 static struct omap_musb_board_data musb_board_data = {
592 .interface_type = MUSB_INTERFACE_ULPI,
597 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
598 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
599 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
600 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
603 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
604 .reset_gpio_port[1] = -EINVAL,
605 .reset_gpio_port[2] = -EINVAL,
608 #ifdef CONFIG_OMAP_MUX
609 static struct omap_board_mux board_mux[] __initdata = {
610 { .reg_offset = OMAP_MUX_TERMINATOR },
614 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
616 static void __init igep2_wlan_bt_init(void)
618 unsigned npd, wreset, btreset;
620 /* GPIO's for WLAN-BT combo depends on hardware revision */
621 if (hwrev == IGEP2_BOARD_HWREV_B) {
622 npd = IGEP2_RB_GPIO_WIFI_NPD;
623 wreset = IGEP2_RB_GPIO_WIFI_NRESET;
624 btreset = IGEP2_RB_GPIO_BT_NRESET;
625 } else if (hwrev == IGEP2_BOARD_HWREV_C) {
626 npd = IGEP2_RC_GPIO_WIFI_NPD;
627 wreset = IGEP2_RC_GPIO_WIFI_NRESET;
628 btreset = IGEP2_RC_GPIO_BT_NRESET;
632 /* Set GPIO's for WLAN-BT combo module */
633 if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
634 (gpio_direction_output(npd, 1) == 0)) {
637 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
639 if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
640 (gpio_direction_output(wreset, 1) == 0)) {
641 gpio_export(wreset, 0);
642 gpio_set_value(wreset, 0);
644 gpio_set_value(wreset, 1);
646 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
648 if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
649 (gpio_direction_output(btreset, 1) == 0)) {
650 gpio_export(btreset, 0);
652 pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
655 static inline void __init igep2_wlan_bt_init(void) { }
658 static void __init igep2_init(void)
660 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
662 /* Get IGEP2 hardware revision */
663 igep2_get_revision();
664 /* Register I2C busses and drivers */
666 platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
668 usb_musb_init(&musb_board_data);
669 usb_ehci_init(&ehci_pdata);
673 igep2_display_init();
674 igep2_init_smsc911x();
677 * WLAN-BT combo module from MuRata wich has a Marvell WLAN
678 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
680 igep2_wlan_bt_init();
684 MACHINE_START(IGEP0020, "IGEP v2 board")
685 .boot_params = 0x80000100,
686 .map_io = omap3_map_io,
687 .reserve = omap_reserve,
688 .init_irq = igep2_init_irq,
689 .init_machine = igep2_init,
690 .timer = &omap_timer,