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/i2c/twl.h>
23 #include <linux/mmc/host.h>
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
28 #include <plat/board.h>
29 #include <plat/common.h>
30 #include <plat/gpmc.h>
32 #include <plat/display.h>
33 #include <plat/onenand.h>
37 #include "sdram-numonyx-m65kxxxxam.h"
39 #define IGEP2_SMSC911X_CS 5
40 #define IGEP2_SMSC911X_GPIO 176
41 #define IGEP2_GPIO_USBH_NRESET 24
42 #define IGEP2_GPIO_LED0_GREEN 26
43 #define IGEP2_GPIO_LED0_RED 27
44 #define IGEP2_GPIO_LED1_RED 28
45 #define IGEP2_GPIO_DVI_PUP 170
47 #define IGEP2_RB_GPIO_WIFI_NPD 94
48 #define IGEP2_RB_GPIO_WIFI_NRESET 95
49 #define IGEP2_RB_GPIO_BT_NRESET 137
50 #define IGEP2_RC_GPIO_WIFI_NPD 138
51 #define IGEP2_RC_GPIO_WIFI_NRESET 139
52 #define IGEP2_RC_GPIO_BT_NRESET 137
55 * IGEP2 Hardware Revision Table
57 * --------------------------------------------------------------------------
58 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
59 * --------------------------------------------------------------------------
60 * | 0 | B | high | gpio94 | gpio95 | - |
61 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
62 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
63 * --------------------------------------------------------------------------
66 #define IGEP2_BOARD_HWREV_B 0
67 #define IGEP2_BOARD_HWREV_C 1
71 static void __init igep2_get_revision(void)
75 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
77 if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_HW0_REV") == 0) &&
78 (gpio_direction_input(IGEP2_GPIO_LED1_RED) == 0)) {
79 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
81 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
82 hwrev = IGEP2_BOARD_HWREV_C;
83 } else if (ret == 1) {
84 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
85 hwrev = IGEP2_BOARD_HWREV_B;
87 pr_err("IGEP2: Unknown Hardware Revision\n");
91 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
92 pr_err("IGEP2: Unknown Hardware Revision\n");
95 gpio_free(IGEP2_GPIO_LED1_RED);
98 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
99 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
101 #define ONENAND_MAP 0x20000000
103 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
104 * Since the device is equipped with two DataRAMs, and two-plane NAND
105 * Flash memory array, these two component enables simultaneous program
106 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
107 * while Plane2 has only odd blocks such as block1, block3, block5.
108 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
111 static struct mtd_partition igep2_onenand_partitions[] = {
115 .size = 2 * (64*(2*2048))
119 .offset = MTDPART_OFS_APPEND,
120 .size = 6 * (64*(2*2048)),
123 .name = "Environment",
124 .offset = MTDPART_OFS_APPEND,
125 .size = 2 * (64*(2*2048)),
129 .offset = MTDPART_OFS_APPEND,
130 .size = 12 * (64*(2*2048)),
133 .name = "File System",
134 .offset = MTDPART_OFS_APPEND,
135 .size = MTDPART_SIZ_FULL,
139 static struct omap_onenand_platform_data igep2_onenand_data = {
140 .parts = igep2_onenand_partitions,
141 .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
142 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
145 static struct platform_device igep2_onenand_device = {
146 .name = "omap2-onenand",
149 .platform_data = &igep2_onenand_data,
153 static void __init igep2_flash_init(void)
156 u8 onenandcs = GPMC_CS_NUM + 1;
158 for (cs = 0; cs < GPMC_CS_NUM; cs++) {
160 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
162 /* Check if NAND/oneNAND is configured */
163 if ((ret & 0xC00) == 0x800)
165 pr_err("IGEP2: Unsupported NAND found\n");
167 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
168 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
174 if (onenandcs > GPMC_CS_NUM) {
175 pr_err("IGEP2: Unable to find configuration in GPMC\n");
179 igep2_onenand_data.cs = onenandcs;
181 if (platform_device_register(&igep2_onenand_device) < 0)
182 pr_err("IGEP2: Unable to register OneNAND device\n");
186 static void __init igep2_flash_init(void) {}
189 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
191 #include <linux/smsc911x.h>
193 static struct smsc911x_platform_config igep2_smsc911x_config = {
194 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
195 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
196 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
197 .phy_interface = PHY_INTERFACE_MODE_MII,
200 static struct resource igep2_smsc911x_resources[] = {
202 .flags = IORESOURCE_MEM,
205 .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
206 .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
207 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
211 static struct platform_device igep2_smsc911x_device = {
214 .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
215 .resource = igep2_smsc911x_resources,
217 .platform_data = &igep2_smsc911x_config,
221 static inline void __init igep2_init_smsc911x(void)
223 unsigned long cs_mem_base;
225 if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
226 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
227 gpmc_cs_free(IGEP2_SMSC911X_CS);
231 igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
232 igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
234 if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
235 (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
236 gpio_export(IGEP2_SMSC911X_GPIO, 0);
238 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
242 platform_device_register(&igep2_smsc911x_device);
246 static inline void __init igep2_init_smsc911x(void) { }
249 static struct regulator_consumer_supply igep2_vmmc1_supply = {
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 omap2_hsmmc_info mmc[] = {
271 .caps = MMC_CAP_4_BIT_DATA,
275 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
278 .caps = MMC_CAP_4_BIT_DATA,
286 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
287 #include <linux/leds.h>
289 static struct gpio_led igep2_gpio_leds[] = {
291 .name = "gpio-led:red:d0",
292 .gpio = IGEP2_GPIO_LED0_RED,
293 .default_trigger = "default-off"
296 .name = "gpio-led:green:d0",
297 .gpio = IGEP2_GPIO_LED0_GREEN,
298 .default_trigger = "default-off",
301 .name = "gpio-led:red:d1",
302 .gpio = IGEP2_GPIO_LED1_RED,
303 .default_trigger = "default-off",
306 .name = "gpio-led:green:d1",
307 .default_trigger = "heartbeat",
308 .gpio = -EINVAL, /* gets replaced */
312 static struct gpio_led_platform_data igep2_led_pdata = {
313 .leds = igep2_gpio_leds,
314 .num_leds = ARRAY_SIZE(igep2_gpio_leds),
317 static struct platform_device igep2_led_device = {
321 .platform_data = &igep2_led_pdata,
325 static void __init igep2_leds_init(void)
327 platform_device_register(&igep2_led_device);
331 static inline void igep2_leds_init(void)
333 if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
334 (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
335 gpio_export(IGEP2_GPIO_LED0_RED, 0);
336 gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
338 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
340 if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
341 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
342 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
343 gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
345 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
347 if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
348 (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
349 gpio_export(IGEP2_GPIO_LED1_RED, 0);
350 gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
352 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
357 static int igep2_twl_gpio_setup(struct device *dev,
358 unsigned gpio, unsigned ngpio)
360 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
361 mmc[0].gpio_cd = gpio + 0;
362 omap2_hsmmc_init(mmc);
365 * link regulators to MMC adapters ... we "know" the
366 * regulators will be set up only *after* we return.
368 igep2_vmmc1_supply.dev = mmc[0].dev;
371 * REVISIT: need ehci-omap hooks for external VBUS
372 * power switch and overcurrent detect
374 if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
375 (gpio_direction_input(gpio + 1) < 0))
376 pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
379 * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
382 if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
383 (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
384 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
386 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
387 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
388 if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
389 && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
390 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
391 gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
393 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
395 igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
401 static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata = {
402 .gpio_base = OMAP_MAX_GPIO_LINES,
403 .irq_base = TWL4030_GPIO_IRQ_BASE,
404 .irq_end = TWL4030_GPIO_IRQ_END,
406 .setup = igep2_twl_gpio_setup,
409 static struct twl4030_usb_data igep2_usb_data = {
410 .usb_mode = T2_USB_MODE_ULPI,
413 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
415 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
420 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
422 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
425 static struct omap_dss_device igep2_dvi_device = {
426 .type = OMAP_DISPLAY_TYPE_DPI,
428 .driver_name = "generic_panel",
429 .phy.dpi.data_lines = 24,
430 .platform_enable = igep2_enable_dvi,
431 .platform_disable = igep2_disable_dvi,
434 static struct omap_dss_device *igep2_dss_devices[] = {
438 static struct omap_dss_board_info igep2_dss_data = {
439 .num_devices = ARRAY_SIZE(igep2_dss_devices),
440 .devices = igep2_dss_devices,
441 .default_device = &igep2_dvi_device,
444 static struct platform_device igep2_dss_device = {
448 .platform_data = &igep2_dss_data,
452 static struct regulator_consumer_supply igep2_vpll2_supply = {
453 .supply = "vdds_dsi",
454 .dev = &igep2_dss_device.dev,
457 static struct regulator_init_data igep2_vpll2 = {
463 .valid_modes_mask = REGULATOR_MODE_NORMAL
464 | REGULATOR_MODE_STANDBY,
465 .valid_ops_mask = REGULATOR_CHANGE_MODE
466 | REGULATOR_CHANGE_STATUS,
468 .num_consumer_supplies = 1,
469 .consumer_supplies = &igep2_vpll2_supply,
472 static void __init igep2_display_init(void)
474 if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
475 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
476 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
479 static struct platform_device *igep2_devices[] __initdata = {
483 static void __init igep2_init_irq(void)
485 omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
489 static struct twl4030_codec_audio_data igep2_audio_data = {
490 .audio_mclk = 26000000,
493 static struct twl4030_codec_data igep2_codec_data = {
494 .audio_mclk = 26000000,
495 .audio = &igep2_audio_data,
498 static struct twl4030_platform_data igep2_twldata = {
499 .irq_base = TWL4030_IRQ_BASE,
500 .irq_end = TWL4030_IRQ_END,
502 /* platform_data for children goes here */
503 .usb = &igep2_usb_data,
504 .codec = &igep2_codec_data,
505 .gpio = &igep2_twl4030_gpio_pdata,
506 .vmmc1 = &igep2_vmmc1,
507 .vpll2 = &igep2_vpll2,
511 static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {
513 I2C_BOARD_INFO("twl4030", 0x48),
514 .flags = I2C_CLIENT_WAKE,
515 .irq = INT_34XX_SYS_NIRQ,
516 .platform_data = &igep2_twldata,
520 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
522 I2C_BOARD_INFO("eeprom", 0x50),
526 static void __init igep2_i2c_init(void)
530 ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,
531 ARRAY_SIZE(igep2_i2c1_boardinfo));
533 pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);
536 * Bus 3 is attached to the DVI port where devices like the pico DLP
537 * projector don't work reliably with 400kHz
539 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
540 ARRAY_SIZE(igep2_i2c3_boardinfo));
542 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
545 static struct omap_musb_board_data musb_board_data = {
546 .interface_type = MUSB_INTERFACE_ULPI,
551 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
552 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
553 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
554 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
557 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
558 .reset_gpio_port[1] = -EINVAL,
559 .reset_gpio_port[2] = -EINVAL,
562 #ifdef CONFIG_OMAP_MUX
563 static struct omap_board_mux board_mux[] __initdata = {
564 { .reg_offset = OMAP_MUX_TERMINATOR },
568 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
570 static void __init igep2_wlan_bt_init(void)
572 unsigned npd, wreset, btreset;
574 /* GPIO's for WLAN-BT combo depends on hardware revision */
575 if (hwrev == IGEP2_BOARD_HWREV_B) {
576 npd = IGEP2_RB_GPIO_WIFI_NPD;
577 wreset = IGEP2_RB_GPIO_WIFI_NRESET;
578 btreset = IGEP2_RB_GPIO_BT_NRESET;
579 } else if (hwrev == IGEP2_BOARD_HWREV_C) {
580 npd = IGEP2_RC_GPIO_WIFI_NPD;
581 wreset = IGEP2_RC_GPIO_WIFI_NRESET;
582 btreset = IGEP2_RC_GPIO_BT_NRESET;
586 /* Set GPIO's for WLAN-BT combo module */
587 if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
588 (gpio_direction_output(npd, 1) == 0)) {
591 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
593 if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
594 (gpio_direction_output(wreset, 1) == 0)) {
595 gpio_export(wreset, 0);
596 gpio_set_value(wreset, 0);
598 gpio_set_value(wreset, 1);
600 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
602 if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
603 (gpio_direction_output(btreset, 1) == 0)) {
604 gpio_export(btreset, 0);
606 pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
609 static inline void __init igep2_wlan_bt_init(void) { }
612 static void __init igep2_init(void)
614 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
616 /* Get IGEP2 hardware revision */
617 igep2_get_revision();
618 /* Register I2C busses and drivers */
620 platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
622 usb_musb_init(&musb_board_data);
623 usb_ehci_init(&ehci_pdata);
627 igep2_display_init();
628 igep2_init_smsc911x();
631 * WLAN-BT combo module from MuRata wich has a Marvell WLAN
632 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
634 igep2_wlan_bt_init();
638 MACHINE_START(IGEP0020, "IGEP v2 board")
639 .boot_params = 0x80000100,
640 .map_io = omap3_map_io,
641 .reserve = omap_reserve,
642 .init_irq = igep2_init_irq,
643 .init_machine = igep2_init,
644 .timer = &omap_timer,