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>
20 #include <linux/input.h>
22 #include <linux/regulator/machine.h>
23 #include <linux/regulator/fixed.h>
24 #include <linux/i2c/twl.h>
25 #include <linux/mmc/host.h>
27 #include <linux/mtd/nand.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
32 #include <video/omapdss.h>
33 #include <video/omap-panel-tfp410.h>
34 #include <linux/platform_data/mtd-onenand-omap2.h>
40 #include "sdram-numonyx-m65kxxxxam.h"
41 #include "common-board-devices.h"
42 #include "board-flash.h"
44 #include "gpmc-onenand.h"
46 #define IGEP2_SMSC911X_CS 5
47 #define IGEP2_SMSC911X_GPIO 176
48 #define IGEP2_GPIO_USBH_NRESET 24
49 #define IGEP2_GPIO_LED0_GREEN 26
50 #define IGEP2_GPIO_LED0_RED 27
51 #define IGEP2_GPIO_LED1_RED 28
52 #define IGEP2_GPIO_DVI_PUP 170
54 #define IGEP2_RB_GPIO_WIFI_NPD 94
55 #define IGEP2_RB_GPIO_WIFI_NRESET 95
56 #define IGEP2_RB_GPIO_BT_NRESET 137
57 #define IGEP2_RC_GPIO_WIFI_NPD 138
58 #define IGEP2_RC_GPIO_WIFI_NRESET 139
59 #define IGEP2_RC_GPIO_BT_NRESET 137
61 #define IGEP3_GPIO_LED0_GREEN 54
62 #define IGEP3_GPIO_LED0_RED 53
63 #define IGEP3_GPIO_LED1_RED 16
64 #define IGEP3_GPIO_USBH_NRESET 183
66 #define IGEP_SYSBOOT_MASK 0x1f
67 #define IGEP_SYSBOOT_NAND 0x0f
68 #define IGEP_SYSBOOT_ONENAND 0x10
71 * IGEP2 Hardware Revision Table
73 * --------------------------------------------------------------------------
74 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
75 * --------------------------------------------------------------------------
76 * | 0 | B | high | gpio94 | gpio95 | - |
77 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
78 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
79 * --------------------------------------------------------------------------
82 #define IGEP2_BOARD_HWREV_B 0
83 #define IGEP2_BOARD_HWREV_C 1
84 #define IGEP3_BOARD_HWREV 2
88 static void __init igep2_get_revision(void)
92 if (machine_is_igep0030()) {
93 hwrev = IGEP3_BOARD_HWREV;
97 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
99 if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
100 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
101 pr_err("IGEP2: Unknown Hardware Revision\n");
105 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
107 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
108 hwrev = IGEP2_BOARD_HWREV_C;
109 } else if (ret == 1) {
110 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
111 hwrev = IGEP2_BOARD_HWREV_B;
113 pr_err("IGEP2: Unknown Hardware Revision\n");
117 gpio_free(IGEP2_GPIO_LED1_RED);
120 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
121 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) || \
122 defined(CONFIG_MTD_NAND_OMAP2) || \
123 defined(CONFIG_MTD_NAND_OMAP2_MODULE)
125 #define ONENAND_MAP 0x20000000
127 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
128 * Since the device is equipped with two DataRAMs, and two-plane NAND
129 * Flash memory array, these two component enables simultaneous program
130 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
131 * while Plane2 has only odd blocks such as block1, block3, block5.
132 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
135 static struct mtd_partition igep_flash_partitions[] = {
139 .size = 2 * (64*(2*2048))
143 .offset = MTDPART_OFS_APPEND,
144 .size = 6 * (64*(2*2048)),
147 .name = "Environment",
148 .offset = MTDPART_OFS_APPEND,
149 .size = 2 * (64*(2*2048)),
153 .offset = MTDPART_OFS_APPEND,
154 .size = 12 * (64*(2*2048)),
157 .name = "File System",
158 .offset = MTDPART_OFS_APPEND,
159 .size = MTDPART_SIZ_FULL,
163 static inline u32 igep_get_sysboot_value(void)
165 return omap_ctrl_readl(OMAP343X_CONTROL_STATUS) & IGEP_SYSBOOT_MASK;
168 static void __init igep_flash_init(void)
171 mux = igep_get_sysboot_value();
173 if (mux == IGEP_SYSBOOT_NAND) {
174 pr_info("IGEP: initializing NAND memory device\n");
175 board_nand_init(igep_flash_partitions,
176 ARRAY_SIZE(igep_flash_partitions),
177 0, NAND_BUSWIDTH_16, nand_default_timings);
178 } else if (mux == IGEP_SYSBOOT_ONENAND) {
179 pr_info("IGEP: initializing OneNAND memory device\n");
180 board_onenand_init(igep_flash_partitions,
181 ARRAY_SIZE(igep_flash_partitions), 0);
183 pr_err("IGEP: Flash: unsupported sysboot sequence found\n");
188 static void __init igep_flash_init(void) {}
191 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
193 #include <linux/smsc911x.h>
194 #include "gpmc-smsc911x.h"
196 static struct omap_smsc911x_platform_data smsc911x_cfg = {
197 .cs = IGEP2_SMSC911X_CS,
198 .gpio_irq = IGEP2_SMSC911X_GPIO,
199 .gpio_reset = -EINVAL,
200 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
203 static inline void __init igep2_init_smsc911x(void)
205 gpmc_smsc911x_init(&smsc911x_cfg);
209 static inline void __init igep2_init_smsc911x(void) { }
212 static struct regulator_consumer_supply igep_vmmc1_supply[] = {
213 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
216 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
217 static struct regulator_init_data igep_vmmc1 = {
221 .valid_modes_mask = REGULATOR_MODE_NORMAL
222 | REGULATOR_MODE_STANDBY,
223 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
224 | REGULATOR_CHANGE_MODE
225 | REGULATOR_CHANGE_STATUS,
227 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc1_supply),
228 .consumer_supplies = igep_vmmc1_supply,
231 static struct regulator_consumer_supply igep_vio_supply[] = {
232 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"),
235 static struct regulator_init_data igep_vio = {
240 .valid_modes_mask = REGULATOR_MODE_NORMAL
241 | REGULATOR_MODE_STANDBY,
242 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
243 | REGULATOR_CHANGE_MODE
244 | REGULATOR_CHANGE_STATUS,
246 .num_consumer_supplies = ARRAY_SIZE(igep_vio_supply),
247 .consumer_supplies = igep_vio_supply,
250 static struct regulator_consumer_supply igep_vmmc2_supply[] = {
251 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
254 static struct regulator_init_data igep_vmmc2 = {
256 .valid_modes_mask = REGULATOR_MODE_NORMAL,
259 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc2_supply),
260 .consumer_supplies = igep_vmmc2_supply,
263 static struct fixed_voltage_config igep_vwlan = {
264 .supply_name = "vwlan",
265 .microvolts = 3300000,
267 .enabled_at_boot = 1,
268 .init_data = &igep_vmmc2,
271 static struct platform_device igep_vwlan_device = {
272 .name = "reg-fixed-voltage",
275 .platform_data = &igep_vwlan,
279 static struct omap2_hsmmc_info mmc[] = {
282 .caps = MMC_CAP_4_BIT_DATA,
287 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
290 .caps = MMC_CAP_4_BIT_DATA,
298 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
299 #include <linux/leds.h>
301 static struct gpio_led igep_gpio_leds[] = {
303 .name = "gpio-led:red:d0",
304 .default_trigger = "default-off"
307 .name = "gpio-led:green:d0",
308 .default_trigger = "default-off",
311 .name = "gpio-led:red:d1",
312 .default_trigger = "default-off",
315 .name = "gpio-led:green:d1",
316 .default_trigger = "heartbeat",
317 .gpio = -EINVAL, /* gets replaced */
322 static struct gpio_led_platform_data igep_led_pdata = {
323 .leds = igep_gpio_leds,
324 .num_leds = ARRAY_SIZE(igep_gpio_leds),
327 static struct platform_device igep_led_device = {
331 .platform_data = &igep_led_pdata,
335 static void __init igep_leds_init(void)
337 if (machine_is_igep0020()) {
338 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
339 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
340 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
342 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
343 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
344 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
347 platform_device_register(&igep_led_device);
351 static struct gpio igep_gpio_leds[] __initdata = {
352 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d0" },
353 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
354 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d1" },
357 static inline void igep_leds_init(void)
361 if (machine_is_igep0020()) {
362 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
363 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
364 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
366 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
367 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
368 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
371 if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
372 pr_warning("IGEP v2: Could not obtain leds gpios\n");
376 for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
377 gpio_export(igep_gpio_leds[i].gpio, 0);
381 static struct gpio igep2_twl_gpios[] = {
382 { -EINVAL, GPIOF_IN, "GPIO_EHCI_NOC" },
383 { -EINVAL, GPIOF_OUT_INIT_LOW, "GPIO_USBH_CPEN" },
386 static int igep_twl_gpio_setup(struct device *dev,
387 unsigned gpio, unsigned ngpio)
391 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
392 mmc[0].gpio_cd = gpio + 0;
393 omap_hsmmc_late_init(mmc);
395 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
396 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
397 ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
398 "gpio-led:green:d1");
400 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
402 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
404 igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
407 if (machine_is_igep0030())
411 * REVISIT: need ehci-omap hooks for external VBUS
412 * power switch and overcurrent detect
414 igep2_twl_gpios[0].gpio = gpio + 1;
416 /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
417 igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
419 ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
421 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
426 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
428 .setup = igep_twl_gpio_setup,
431 static struct tfp410_platform_data dvi_panel = {
433 .power_down_gpio = IGEP2_GPIO_DVI_PUP,
436 static struct omap_dss_device igep2_dvi_device = {
437 .type = OMAP_DISPLAY_TYPE_DPI,
439 .driver_name = "tfp410",
441 .phy.dpi.data_lines = 24,
444 static struct omap_dss_device *igep2_dss_devices[] = {
448 static struct omap_dss_board_info igep2_dss_data = {
449 .num_devices = ARRAY_SIZE(igep2_dss_devices),
450 .devices = igep2_dss_devices,
451 .default_device = &igep2_dvi_device,
454 static struct platform_device *igep_devices[] __initdata = {
458 static int igep2_keymap[] = {
460 KEY(0, 1, KEY_RIGHT),
467 KEY(2, 0, KEY_ENTER),
477 static struct matrix_keymap_data igep2_keymap_data = {
478 .keymap = igep2_keymap,
479 .keymap_size = ARRAY_SIZE(igep2_keymap),
482 static struct twl4030_keypad_data igep2_keypad_pdata = {
483 .keymap_data = &igep2_keymap_data,
489 static struct twl4030_platform_data igep_twldata = {
490 /* platform_data for children goes here */
491 .gpio = &igep_twl4030_gpio_pdata,
492 .vmmc1 = &igep_vmmc1,
496 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
498 I2C_BOARD_INFO("eeprom", 0x50),
502 static void __init igep_i2c_init(void)
506 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB,
507 TWL_COMMON_REGULATOR_VPLL2);
508 igep_twldata.vpll2->constraints.apply_uV = true;
509 igep_twldata.vpll2->constraints.name = "VDVI";
511 if (machine_is_igep0020()) {
513 * Bus 3 is attached to the DVI port where devices like the
514 * pico DLP projector don't work reliably with 400kHz
516 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
517 ARRAY_SIZE(igep2_i2c3_boardinfo));
519 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
521 igep_twldata.keypad = &igep2_keypad_pdata;
522 /* Get common pmic data */
523 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO, 0);
526 omap3_pmic_init("twl4030", &igep_twldata);
529 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst = {
530 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
531 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
532 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
535 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
536 .reset_gpio_port[1] = -EINVAL,
537 .reset_gpio_port[2] = -EINVAL,
540 static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst = {
541 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
542 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
543 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
546 .reset_gpio_port[0] = -EINVAL,
547 .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
548 .reset_gpio_port[2] = -EINVAL,
551 #ifdef CONFIG_OMAP_MUX
552 static struct omap_board_mux board_mux[] __initdata = {
553 /* SMSC9221 LAN Controller ETH IRQ (GPIO_176) */
554 OMAP3_MUX(MCSPI1_CS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
555 { .reg_offset = OMAP_MUX_TERMINATOR },
559 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
560 static struct gpio igep_wlan_bt_gpios[] __initdata = {
561 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD" },
562 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
563 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET" },
566 static void __init igep_wlan_bt_init(void)
570 /* GPIO's for WLAN-BT combo depends on hardware revision */
571 if (hwrev == IGEP2_BOARD_HWREV_B) {
572 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
573 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
574 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
575 } else if (hwrev == IGEP2_BOARD_HWREV_C || machine_is_igep0030()) {
576 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
577 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
578 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
582 err = gpio_request_array(igep_wlan_bt_gpios,
583 ARRAY_SIZE(igep_wlan_bt_gpios));
585 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
589 gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
590 gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
591 gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
593 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
595 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
599 static inline void __init igep_wlan_bt_init(void) { }
602 static struct regulator_consumer_supply dummy_supplies[] = {
603 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
604 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
607 static void __init igep_init(void)
609 regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
610 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
612 /* Get IGEP2 hardware revision */
613 igep2_get_revision();
615 omap_hsmmc_init(mmc);
617 /* Register I2C busses and drivers */
619 platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
621 omap_sdrc_init(m65kxxxxam_sdrc_params,
622 m65kxxxxam_sdrc_params);
627 omap_twl4030_audio_init("igep2");
630 * WLAN-BT combo module from MuRata which has a Marvell WLAN
631 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
635 if (machine_is_igep0020()) {
636 omap_display_init(&igep2_dss_data);
637 igep2_init_smsc911x();
638 usbhs_init(&igep2_usbhs_bdata);
640 usbhs_init(&igep3_usbhs_bdata);
644 MACHINE_START(IGEP0020, "IGEP v2 board")
645 .atag_offset = 0x100,
646 .reserve = omap_reserve,
647 .map_io = omap3_map_io,
648 .init_early = omap35xx_init_early,
649 .init_irq = omap3_init_irq,
650 .handle_irq = omap3_intc_handle_irq,
651 .init_machine = igep_init,
652 .init_late = omap35xx_init_late,
653 .timer = &omap3_timer,
654 .restart = omap_prcm_restart,
657 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
658 .atag_offset = 0x100,
659 .reserve = omap_reserve,
660 .map_io = omap3_map_io,
661 .init_early = omap35xx_init_early,
662 .init_irq = omap3_init_irq,
663 .handle_irq = omap3_intc_handle_irq,
664 .init_machine = igep_init,
665 .init_late = omap35xx_init_late,
666 .timer = &omap3_timer,
667 .restart = omap_prcm_restart,