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/onenand.h>
38 #include "sdram-numonyx-m65kxxxxam.h"
40 #define IGEP2_SMSC911X_CS 5
41 #define IGEP2_SMSC911X_GPIO 176
42 #define IGEP2_GPIO_USBH_NRESET 24
43 #define IGEP2_GPIO_LED0_GREEN 26
44 #define IGEP2_GPIO_LED0_RED 27
45 #define IGEP2_GPIO_LED1_RED 28
46 #define IGEP2_GPIO_DVI_PUP 170
48 #define IGEP2_RB_GPIO_WIFI_NPD 94
49 #define IGEP2_RB_GPIO_WIFI_NRESET 95
50 #define IGEP2_RB_GPIO_BT_NRESET 137
51 #define IGEP2_RC_GPIO_WIFI_NPD 138
52 #define IGEP2_RC_GPIO_WIFI_NRESET 139
53 #define IGEP2_RC_GPIO_BT_NRESET 137
56 * IGEP2 Hardware Revision Table
58 * --------------------------------------------------------------------------
59 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
60 * --------------------------------------------------------------------------
61 * | 0 | B | high | gpio94 | gpio95 | - |
62 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
63 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
64 * --------------------------------------------------------------------------
67 #define IGEP2_BOARD_HWREV_B 0
68 #define IGEP2_BOARD_HWREV_C 1
72 static void __init igep2_get_revision(void)
76 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
78 if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_HW0_REV") == 0) &&
79 (gpio_direction_input(IGEP2_GPIO_LED1_RED) == 0)) {
80 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
82 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
83 hwrev = IGEP2_BOARD_HWREV_C;
84 } else if (ret == 1) {
85 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
86 hwrev = IGEP2_BOARD_HWREV_B;
88 pr_err("IGEP2: Unknown Hardware Revision\n");
92 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
93 pr_err("IGEP2: Unknown Hardware Revision\n");
96 gpio_free(IGEP2_GPIO_LED1_RED);
99 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
100 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
102 #define ONENAND_MAP 0x20000000
104 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
105 * Since the device is equipped with two DataRAMs, and two-plane NAND
106 * Flash memory array, these two component enables simultaneous program
107 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
108 * while Plane2 has only odd blocks such as block1, block3, block5.
109 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
112 static struct mtd_partition igep2_onenand_partitions[] = {
116 .size = 2 * (64*(2*2048))
120 .offset = MTDPART_OFS_APPEND,
121 .size = 6 * (64*(2*2048)),
124 .name = "Environment",
125 .offset = MTDPART_OFS_APPEND,
126 .size = 2 * (64*(2*2048)),
130 .offset = MTDPART_OFS_APPEND,
131 .size = 12 * (64*(2*2048)),
134 .name = "File System",
135 .offset = MTDPART_OFS_APPEND,
136 .size = MTDPART_SIZ_FULL,
140 static struct omap_onenand_platform_data igep2_onenand_data = {
141 .parts = igep2_onenand_partitions,
142 .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
143 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
146 static struct platform_device igep2_onenand_device = {
147 .name = "omap2-onenand",
150 .platform_data = &igep2_onenand_data,
154 static void __init igep2_flash_init(void)
157 u8 onenandcs = GPMC_CS_NUM + 1;
159 for (cs = 0; cs < GPMC_CS_NUM; cs++) {
161 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
163 /* Check if NAND/oneNAND is configured */
164 if ((ret & 0xC00) == 0x800)
166 pr_err("IGEP2: Unsupported NAND found\n");
168 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
169 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
175 if (onenandcs > GPMC_CS_NUM) {
176 pr_err("IGEP2: Unable to find configuration in GPMC\n");
180 igep2_onenand_data.cs = onenandcs;
182 if (platform_device_register(&igep2_onenand_device) < 0)
183 pr_err("IGEP2: Unable to register OneNAND device\n");
187 static void __init igep2_flash_init(void) {}
190 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
192 #include <linux/smsc911x.h>
194 static struct smsc911x_platform_config igep2_smsc911x_config = {
195 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
196 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
197 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
198 .phy_interface = PHY_INTERFACE_MODE_MII,
201 static struct resource igep2_smsc911x_resources[] = {
203 .flags = IORESOURCE_MEM,
206 .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
207 .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
208 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
212 static struct platform_device igep2_smsc911x_device = {
215 .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
216 .resource = igep2_smsc911x_resources,
218 .platform_data = &igep2_smsc911x_config,
222 static inline void __init igep2_init_smsc911x(void)
224 unsigned long cs_mem_base;
226 if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
227 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
228 gpmc_cs_free(IGEP2_SMSC911X_CS);
232 igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
233 igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
235 if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
236 (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
237 gpio_export(IGEP2_SMSC911X_GPIO, 0);
239 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
243 platform_device_register(&igep2_smsc911x_device);
247 static inline void __init igep2_init_smsc911x(void) { }
250 static struct regulator_consumer_supply igep2_vmmc1_supply =
251 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
253 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
254 static struct regulator_init_data igep2_vmmc1 = {
258 .valid_modes_mask = REGULATOR_MODE_NORMAL
259 | REGULATOR_MODE_STANDBY,
260 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
261 | REGULATOR_CHANGE_MODE
262 | REGULATOR_CHANGE_STATUS,
264 .num_consumer_supplies = 1,
265 .consumer_supplies = &igep2_vmmc1_supply,
268 static struct regulator_consumer_supply igep2_vio_supply =
269 REGULATOR_SUPPLY("vmmc_aux", "mmci-omap-hs.1");
271 static struct regulator_init_data igep2_vio = {
276 .valid_modes_mask = REGULATOR_MODE_NORMAL
277 | REGULATOR_MODE_STANDBY,
278 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
279 | REGULATOR_CHANGE_MODE
280 | REGULATOR_CHANGE_STATUS,
282 .num_consumer_supplies = 1,
283 .consumer_supplies = &igep2_vio_supply,
286 static struct regulator_consumer_supply igep2_vmmc2_supply =
287 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
289 static struct regulator_init_data igep2_vmmc2 = {
291 .valid_modes_mask = REGULATOR_MODE_NORMAL,
294 .num_consumer_supplies = 1,
295 .consumer_supplies = &igep2_vmmc2_supply,
298 static struct fixed_voltage_config igep2_vwlan = {
299 .supply_name = "vwlan",
300 .microvolts = 3300000,
302 .enabled_at_boot = 1,
303 .init_data = &igep2_vmmc2,
306 static struct platform_device igep2_vwlan_device = {
307 .name = "reg-fixed-voltage",
310 .platform_data = &igep2_vwlan,
314 static struct omap2_hsmmc_info mmc[] = {
317 .caps = MMC_CAP_4_BIT_DATA,
321 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
324 .caps = MMC_CAP_4_BIT_DATA,
332 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
333 #include <linux/leds.h>
335 static struct gpio_led igep2_gpio_leds[] = {
337 .name = "gpio-led:red:d0",
338 .gpio = IGEP2_GPIO_LED0_RED,
339 .default_trigger = "default-off"
342 .name = "gpio-led:green:d0",
343 .gpio = IGEP2_GPIO_LED0_GREEN,
344 .default_trigger = "default-off",
347 .name = "gpio-led:red:d1",
348 .gpio = IGEP2_GPIO_LED1_RED,
349 .default_trigger = "default-off",
352 .name = "gpio-led:green:d1",
353 .default_trigger = "heartbeat",
354 .gpio = -EINVAL, /* gets replaced */
359 static struct gpio_led_platform_data igep2_led_pdata = {
360 .leds = igep2_gpio_leds,
361 .num_leds = ARRAY_SIZE(igep2_gpio_leds),
364 static struct platform_device igep2_led_device = {
368 .platform_data = &igep2_led_pdata,
372 static void __init igep2_leds_init(void)
374 platform_device_register(&igep2_led_device);
378 static inline void igep2_leds_init(void)
380 if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
381 (gpio_direction_output(IGEP2_GPIO_LED0_RED, 0) == 0))
382 gpio_export(IGEP2_GPIO_LED0_RED, 0);
384 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
386 if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
387 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 0) == 0))
388 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
390 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
392 if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
393 (gpio_direction_output(IGEP2_GPIO_LED1_RED, 0) == 0))
394 gpio_export(IGEP2_GPIO_LED1_RED, 0);
396 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
401 static int igep2_twl_gpio_setup(struct device *dev,
402 unsigned gpio, unsigned ngpio)
404 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
405 mmc[0].gpio_cd = gpio + 0;
406 omap2_hsmmc_init(mmc);
409 * REVISIT: need ehci-omap hooks for external VBUS
410 * power switch and overcurrent detect
412 if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
413 (gpio_direction_input(gpio + 1) < 0))
414 pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
417 * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
420 if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
421 (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
422 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
424 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
425 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
426 if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
427 && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0))
428 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
430 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
432 igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
438 static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata = {
439 .gpio_base = OMAP_MAX_GPIO_LINES,
440 .irq_base = TWL4030_GPIO_IRQ_BASE,
441 .irq_end = TWL4030_GPIO_IRQ_END,
443 .setup = igep2_twl_gpio_setup,
446 static struct twl4030_usb_data igep2_usb_data = {
447 .usb_mode = T2_USB_MODE_ULPI,
450 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
452 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
457 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
459 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
462 static struct omap_dss_device igep2_dvi_device = {
463 .type = OMAP_DISPLAY_TYPE_DPI,
465 .driver_name = "generic_panel",
466 .phy.dpi.data_lines = 24,
467 .platform_enable = igep2_enable_dvi,
468 .platform_disable = igep2_disable_dvi,
471 static struct omap_dss_device *igep2_dss_devices[] = {
475 static struct omap_dss_board_info igep2_dss_data = {
476 .num_devices = ARRAY_SIZE(igep2_dss_devices),
477 .devices = igep2_dss_devices,
478 .default_device = &igep2_dvi_device,
481 static struct platform_device igep2_dss_device = {
485 .platform_data = &igep2_dss_data,
489 static struct regulator_consumer_supply igep2_vpll2_supply = {
490 .supply = "vdds_dsi",
491 .dev = &igep2_dss_device.dev,
494 static struct regulator_init_data igep2_vpll2 = {
500 .valid_modes_mask = REGULATOR_MODE_NORMAL
501 | REGULATOR_MODE_STANDBY,
502 .valid_ops_mask = REGULATOR_CHANGE_MODE
503 | REGULATOR_CHANGE_STATUS,
505 .num_consumer_supplies = 1,
506 .consumer_supplies = &igep2_vpll2_supply,
509 static void __init igep2_display_init(void)
511 if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
512 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
513 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
516 static struct platform_device *igep2_devices[] __initdata = {
521 static void __init igep2_init_irq(void)
523 omap2_init_common_infrastructure();
524 omap2_init_common_devices(m65kxxxxam_sdrc_params,
525 m65kxxxxam_sdrc_params);
529 static struct twl4030_codec_audio_data igep2_audio_data = {
530 .audio_mclk = 26000000,
533 static struct twl4030_codec_data igep2_codec_data = {
534 .audio_mclk = 26000000,
535 .audio = &igep2_audio_data,
538 static struct twl4030_platform_data igep2_twldata = {
539 .irq_base = TWL4030_IRQ_BASE,
540 .irq_end = TWL4030_IRQ_END,
542 /* platform_data for children goes here */
543 .usb = &igep2_usb_data,
544 .codec = &igep2_codec_data,
545 .gpio = &igep2_twl4030_gpio_pdata,
546 .vmmc1 = &igep2_vmmc1,
547 .vpll2 = &igep2_vpll2,
551 static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {
553 I2C_BOARD_INFO("twl4030", 0x48),
554 .flags = I2C_CLIENT_WAKE,
555 .irq = INT_34XX_SYS_NIRQ,
556 .platform_data = &igep2_twldata,
560 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
562 I2C_BOARD_INFO("eeprom", 0x50),
566 static void __init igep2_i2c_init(void)
570 ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,
571 ARRAY_SIZE(igep2_i2c1_boardinfo));
573 pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);
576 * Bus 3 is attached to the DVI port where devices like the pico DLP
577 * projector don't work reliably with 400kHz
579 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
580 ARRAY_SIZE(igep2_i2c3_boardinfo));
582 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
585 static struct omap_musb_board_data musb_board_data = {
586 .interface_type = MUSB_INTERFACE_ULPI,
591 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
592 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
593 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
594 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
597 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
598 .reset_gpio_port[1] = -EINVAL,
599 .reset_gpio_port[2] = -EINVAL,
602 #ifdef CONFIG_OMAP_MUX
603 static struct omap_board_mux board_mux[] __initdata = {
604 { .reg_offset = OMAP_MUX_TERMINATOR },
608 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
610 static void __init igep2_wlan_bt_init(void)
612 unsigned npd, wreset, btreset;
614 /* GPIO's for WLAN-BT combo depends on hardware revision */
615 if (hwrev == IGEP2_BOARD_HWREV_B) {
616 npd = IGEP2_RB_GPIO_WIFI_NPD;
617 wreset = IGEP2_RB_GPIO_WIFI_NRESET;
618 btreset = IGEP2_RB_GPIO_BT_NRESET;
619 } else if (hwrev == IGEP2_BOARD_HWREV_C) {
620 npd = IGEP2_RC_GPIO_WIFI_NPD;
621 wreset = IGEP2_RC_GPIO_WIFI_NRESET;
622 btreset = IGEP2_RC_GPIO_BT_NRESET;
626 /* Set GPIO's for WLAN-BT combo module */
627 if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
628 (gpio_direction_output(npd, 1) == 0)) {
631 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
633 if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
634 (gpio_direction_output(wreset, 1) == 0)) {
635 gpio_export(wreset, 0);
636 gpio_set_value(wreset, 0);
638 gpio_set_value(wreset, 1);
640 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
642 if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
643 (gpio_direction_output(btreset, 1) == 0)) {
644 gpio_export(btreset, 0);
646 pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
649 static inline void __init igep2_wlan_bt_init(void) { }
652 static void __init igep2_init(void)
654 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
656 /* Get IGEP2 hardware revision */
657 igep2_get_revision();
658 /* Register I2C busses and drivers */
660 platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
662 usb_musb_init(&musb_board_data);
663 usb_ehci_init(&ehci_pdata);
667 igep2_display_init();
668 igep2_init_smsc911x();
671 * WLAN-BT combo module from MuRata wich has a Marvell WLAN
672 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
674 igep2_wlan_bt_init();
678 MACHINE_START(IGEP0020, "IGEP v2 board")
679 .boot_params = 0x80000100,
680 .map_io = omap3_map_io,
681 .reserve = omap_reserve,
682 .init_irq = igep2_init_irq,
683 .init_machine = igep2_init,
684 .timer = &omap_timer,