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 int igep2_onenand_setup(void __iomem *onenand_base, int freq)
141 /* nothing is required to be setup for onenand as of now */
145 static struct omap_onenand_platform_data igep2_onenand_data = {
146 .parts = igep2_onenand_partitions,
147 .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
148 .onenand_setup = igep2_onenand_setup,
149 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
152 static struct platform_device igep2_onenand_device = {
153 .name = "omap2-onenand",
156 .platform_data = &igep2_onenand_data,
160 static void __init igep2_flash_init(void)
163 u8 onenandcs = GPMC_CS_NUM + 1;
165 while (cs < GPMC_CS_NUM) {
167 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
169 /* Check if NAND/oneNAND is configured */
170 if ((ret & 0xC00) == 0x800)
172 pr_err("IGEP v2: Unsupported NAND found\n");
174 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
175 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
181 if (onenandcs > GPMC_CS_NUM) {
182 pr_err("IGEP v2: Unable to find configuration in GPMC\n");
186 if (onenandcs < GPMC_CS_NUM) {
187 igep2_onenand_data.cs = onenandcs;
188 if (platform_device_register(&igep2_onenand_device) < 0)
189 pr_err("IGEP v2: Unable to register OneNAND device\n");
194 static void __init igep2_flash_init(void) {}
197 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
199 #include <linux/smsc911x.h>
201 static struct smsc911x_platform_config igep2_smsc911x_config = {
202 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
203 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
204 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
205 .phy_interface = PHY_INTERFACE_MODE_MII,
208 static struct resource igep2_smsc911x_resources[] = {
210 .flags = IORESOURCE_MEM,
213 .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
214 .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
215 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
219 static struct platform_device igep2_smsc911x_device = {
222 .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
223 .resource = igep2_smsc911x_resources,
225 .platform_data = &igep2_smsc911x_config,
229 static inline void __init igep2_init_smsc911x(void)
231 unsigned long cs_mem_base;
233 if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
234 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
235 gpmc_cs_free(IGEP2_SMSC911X_CS);
239 igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
240 igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
242 if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
243 (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
244 gpio_export(IGEP2_SMSC911X_GPIO, 0);
246 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
250 platform_device_register(&igep2_smsc911x_device);
254 static inline void __init igep2_init_smsc911x(void) { }
257 static struct omap_board_config_kernel igep2_config[] __initdata = {
260 static struct regulator_consumer_supply igep2_vmmc1_supply = {
264 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
265 static struct regulator_init_data igep2_vmmc1 = {
269 .valid_modes_mask = REGULATOR_MODE_NORMAL
270 | REGULATOR_MODE_STANDBY,
271 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
272 | REGULATOR_CHANGE_MODE
273 | REGULATOR_CHANGE_STATUS,
275 .num_consumer_supplies = 1,
276 .consumer_supplies = &igep2_vmmc1_supply,
279 static struct omap2_hsmmc_info mmc[] = {
282 .caps = MMC_CAP_4_BIT_DATA,
286 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
289 .caps = MMC_CAP_4_BIT_DATA,
297 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
298 #include <linux/leds.h>
300 static struct gpio_led igep2_gpio_leds[] = {
302 .name = "gpio-led:red:d0",
303 .gpio = IGEP2_GPIO_LED0_RED,
304 .default_trigger = "default-off"
307 .name = "gpio-led:green:d0",
308 .gpio = IGEP2_GPIO_LED0_GREEN,
309 .default_trigger = "default-off",
312 .name = "gpio-led:red:d1",
313 .gpio = IGEP2_GPIO_LED1_RED,
314 .default_trigger = "default-off",
317 .name = "gpio-led:green:d1",
318 .default_trigger = "heartbeat",
319 .gpio = -EINVAL, /* gets replaced */
323 static struct gpio_led_platform_data igep2_led_pdata = {
324 .leds = igep2_gpio_leds,
325 .num_leds = ARRAY_SIZE(igep2_gpio_leds),
328 static struct platform_device igep2_led_device = {
332 .platform_data = &igep2_led_pdata,
336 static void __init igep2_leds_init(void)
338 platform_device_register(&igep2_led_device);
342 static inline void igep2_leds_init(void)
344 if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
345 (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
346 gpio_export(IGEP2_GPIO_LED0_RED, 0);
347 gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
349 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
351 if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
352 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
353 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
354 gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
356 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
358 if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
359 (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
360 gpio_export(IGEP2_GPIO_LED1_RED, 0);
361 gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
363 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
368 static int igep2_twl_gpio_setup(struct device *dev,
369 unsigned gpio, unsigned ngpio)
371 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
372 mmc[0].gpio_cd = gpio + 0;
373 omap2_hsmmc_init(mmc);
376 * link regulators to MMC adapters ... we "know" the
377 * regulators will be set up only *after* we return.
379 igep2_vmmc1_supply.dev = mmc[0].dev;
382 * REVISIT: need ehci-omap hooks for external VBUS
383 * power switch and overcurrent detect
385 if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
386 (gpio_direction_input(gpio + 1) < 0))
387 pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
390 * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
393 if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
394 (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
395 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
397 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
398 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
399 if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
400 && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
401 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
402 gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
404 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
406 igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
412 static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata = {
413 .gpio_base = OMAP_MAX_GPIO_LINES,
414 .irq_base = TWL4030_GPIO_IRQ_BASE,
415 .irq_end = TWL4030_GPIO_IRQ_END,
417 .setup = igep2_twl_gpio_setup,
420 static struct twl4030_usb_data igep2_usb_data = {
421 .usb_mode = T2_USB_MODE_ULPI,
424 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
426 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
431 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
433 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
436 static struct omap_dss_device igep2_dvi_device = {
437 .type = OMAP_DISPLAY_TYPE_DPI,
439 .driver_name = "generic_panel",
440 .phy.dpi.data_lines = 24,
441 .platform_enable = igep2_enable_dvi,
442 .platform_disable = igep2_disable_dvi,
445 static struct omap_dss_device *igep2_dss_devices[] = {
449 static struct omap_dss_board_info igep2_dss_data = {
450 .num_devices = ARRAY_SIZE(igep2_dss_devices),
451 .devices = igep2_dss_devices,
452 .default_device = &igep2_dvi_device,
455 static struct platform_device igep2_dss_device = {
459 .platform_data = &igep2_dss_data,
463 static struct regulator_consumer_supply igep2_vpll2_supply = {
464 .supply = "vdds_dsi",
465 .dev = &igep2_dss_device.dev,
468 static struct regulator_init_data igep2_vpll2 = {
474 .valid_modes_mask = REGULATOR_MODE_NORMAL
475 | REGULATOR_MODE_STANDBY,
476 .valid_ops_mask = REGULATOR_CHANGE_MODE
477 | REGULATOR_CHANGE_STATUS,
479 .num_consumer_supplies = 1,
480 .consumer_supplies = &igep2_vpll2_supply,
483 static void __init igep2_display_init(void)
485 if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
486 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
487 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
490 static struct platform_device *igep2_devices[] __initdata = {
494 static void __init igep2_init_irq(void)
496 omap_board_config = igep2_config;
497 omap_board_config_size = ARRAY_SIZE(igep2_config);
498 omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
503 static struct twl4030_codec_audio_data igep2_audio_data = {
504 .audio_mclk = 26000000,
507 static struct twl4030_codec_data igep2_codec_data = {
508 .audio_mclk = 26000000,
509 .audio = &igep2_audio_data,
512 static struct twl4030_platform_data igep2_twldata = {
513 .irq_base = TWL4030_IRQ_BASE,
514 .irq_end = TWL4030_IRQ_END,
516 /* platform_data for children goes here */
517 .usb = &igep2_usb_data,
518 .codec = &igep2_codec_data,
519 .gpio = &igep2_twl4030_gpio_pdata,
520 .vmmc1 = &igep2_vmmc1,
521 .vpll2 = &igep2_vpll2,
525 static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {
527 I2C_BOARD_INFO("twl4030", 0x48),
528 .flags = I2C_CLIENT_WAKE,
529 .irq = INT_34XX_SYS_NIRQ,
530 .platform_data = &igep2_twldata,
534 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
536 I2C_BOARD_INFO("eeprom", 0x50),
540 static void __init igep2_i2c_init(void)
544 ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,
545 ARRAY_SIZE(igep2_i2c1_boardinfo));
547 pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);
550 * Bus 3 is attached to the DVI port where devices like the pico DLP
551 * projector don't work reliably with 400kHz
553 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
554 ARRAY_SIZE(igep2_i2c3_boardinfo));
556 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
559 static struct omap_musb_board_data musb_board_data = {
560 .interface_type = MUSB_INTERFACE_ULPI,
565 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
566 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
567 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
568 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
571 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
572 .reset_gpio_port[1] = -EINVAL,
573 .reset_gpio_port[2] = -EINVAL,
576 #ifdef CONFIG_OMAP_MUX
577 static struct omap_board_mux board_mux[] __initdata = {
578 { .reg_offset = OMAP_MUX_TERMINATOR },
581 #define board_mux NULL
584 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
586 static void __init igep2_wlan_bt_init(void)
588 unsigned npd, wreset, btreset;
590 /* GPIO's for WLAN-BT combo depends on hardware revision */
591 if (hwrev == IGEP2_BOARD_HWREV_B) {
592 npd = IGEP2_RB_GPIO_WIFI_NPD;
593 wreset = IGEP2_RB_GPIO_WIFI_NRESET;
594 btreset = IGEP2_RB_GPIO_BT_NRESET;
595 } else if (hwrev == IGEP2_BOARD_HWREV_C) {
596 npd = IGEP2_RC_GPIO_WIFI_NPD;
597 wreset = IGEP2_RC_GPIO_WIFI_NRESET;
598 btreset = IGEP2_RC_GPIO_BT_NRESET;
602 /* Set GPIO's for WLAN-BT combo module */
603 if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
604 (gpio_direction_output(npd, 1) == 0)) {
607 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
609 if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
610 (gpio_direction_output(wreset, 1) == 0)) {
611 gpio_export(wreset, 0);
612 gpio_set_value(wreset, 0);
614 gpio_set_value(wreset, 1);
616 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
618 if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
619 (gpio_direction_output(btreset, 1) == 0)) {
620 gpio_export(btreset, 0);
622 pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
625 static inline void __init igep2_wlan_bt_init(void) { }
628 static void __init igep2_init(void)
630 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
632 /* Get IGEP2 hardware revision */
633 igep2_get_revision();
634 /* Register I2C busses and drivers */
636 platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
638 usb_musb_init(&musb_board_data);
639 usb_ehci_init(&ehci_pdata);
643 igep2_display_init();
644 igep2_init_smsc911x();
647 * WLAN-BT combo module from MuRata wich has a Marvell WLAN
648 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
650 igep2_wlan_bt_init();
654 MACHINE_START(IGEP0020, "IGEP v2 board")
655 .boot_params = 0x80000100,
656 .map_io = omap3_map_io,
657 .reserve = omap_reserve,
658 .init_irq = igep2_init_irq,
659 .init_machine = igep2_init,
660 .timer = &omap_timer,