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 <asm/mach-types.h>
28 #include <asm/mach/arch.h>
30 #include <plat/board.h>
31 #include <plat/common.h>
32 #include <plat/gpmc.h>
34 #include <plat/display.h>
35 #include <plat/panel-generic-dpi.h>
36 #include <plat/onenand.h>
40 #include "sdram-numonyx-m65kxxxxam.h"
41 #include "common-board-devices.h"
43 #define IGEP2_SMSC911X_CS 5
44 #define IGEP2_SMSC911X_GPIO 176
45 #define IGEP2_GPIO_USBH_NRESET 24
46 #define IGEP2_GPIO_LED0_GREEN 26
47 #define IGEP2_GPIO_LED0_RED 27
48 #define IGEP2_GPIO_LED1_RED 28
49 #define IGEP2_GPIO_DVI_PUP 170
51 #define IGEP2_RB_GPIO_WIFI_NPD 94
52 #define IGEP2_RB_GPIO_WIFI_NRESET 95
53 #define IGEP2_RB_GPIO_BT_NRESET 137
54 #define IGEP2_RC_GPIO_WIFI_NPD 138
55 #define IGEP2_RC_GPIO_WIFI_NRESET 139
56 #define IGEP2_RC_GPIO_BT_NRESET 137
59 * IGEP2 Hardware Revision Table
61 * --------------------------------------------------------------------------
62 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
63 * --------------------------------------------------------------------------
64 * | 0 | B | high | gpio94 | gpio95 | - |
65 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
66 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
67 * --------------------------------------------------------------------------
70 #define IGEP2_BOARD_HWREV_B 0
71 #define IGEP2_BOARD_HWREV_C 1
75 static void __init igep2_get_revision(void)
79 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
81 if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
82 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
83 pr_err("IGEP2: Unknown Hardware Revision\n");
87 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
89 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
90 hwrev = IGEP2_BOARD_HWREV_C;
91 } else if (ret == 1) {
92 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
93 hwrev = IGEP2_BOARD_HWREV_B;
95 pr_err("IGEP2: Unknown Hardware Revision\n");
99 gpio_free(IGEP2_GPIO_LED1_RED);
102 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
103 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
105 #define ONENAND_MAP 0x20000000
107 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
108 * Since the device is equipped with two DataRAMs, and two-plane NAND
109 * Flash memory array, these two component enables simultaneous program
110 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
111 * while Plane2 has only odd blocks such as block1, block3, block5.
112 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
115 static struct mtd_partition igep_onenand_partitions[] = {
119 .size = 2 * (64*(2*2048))
123 .offset = MTDPART_OFS_APPEND,
124 .size = 6 * (64*(2*2048)),
127 .name = "Environment",
128 .offset = MTDPART_OFS_APPEND,
129 .size = 2 * (64*(2*2048)),
133 .offset = MTDPART_OFS_APPEND,
134 .size = 12 * (64*(2*2048)),
137 .name = "File System",
138 .offset = MTDPART_OFS_APPEND,
139 .size = MTDPART_SIZ_FULL,
143 static struct omap_onenand_platform_data igep_onenand_data = {
144 .parts = igep_onenand_partitions,
145 .nr_parts = ARRAY_SIZE(igep_onenand_partitions),
146 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
149 static struct platform_device igep_onenand_device = {
150 .name = "omap2-onenand",
153 .platform_data = &igep_onenand_data,
157 static void __init igep_flash_init(void)
160 u8 onenandcs = GPMC_CS_NUM + 1;
162 for (cs = 0; cs < GPMC_CS_NUM; cs++) {
164 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
166 /* Check if NAND/oneNAND is configured */
167 if ((ret & 0xC00) == 0x800)
169 pr_err("IGEP: Unsupported NAND found\n");
171 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
172 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
178 if (onenandcs > GPMC_CS_NUM) {
179 pr_err("IGEP: Unable to find configuration in GPMC\n");
183 igep_onenand_data.cs = onenandcs;
185 if (platform_device_register(&igep_onenand_device) < 0)
186 pr_err("IGEP: Unable to register OneNAND device\n");
190 static void __init igep_flash_init(void) {}
193 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
195 #include <linux/smsc911x.h>
196 #include <plat/gpmc-smsc911x.h>
198 static struct omap_smsc911x_platform_data smsc911x_cfg = {
199 .cs = IGEP2_SMSC911X_CS,
200 .gpio_irq = IGEP2_SMSC911X_GPIO,
201 .gpio_reset = -EINVAL,
202 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
205 static inline void __init igep2_init_smsc911x(void)
207 gpmc_smsc911x_init(&smsc911x_cfg);
211 static inline void __init igep2_init_smsc911x(void) { }
214 static struct regulator_consumer_supply igep_vmmc1_supply =
215 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0");
217 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
218 static struct regulator_init_data igep_vmmc1 = {
222 .valid_modes_mask = REGULATOR_MODE_NORMAL
223 | REGULATOR_MODE_STANDBY,
224 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
225 | REGULATOR_CHANGE_MODE
226 | REGULATOR_CHANGE_STATUS,
228 .num_consumer_supplies = 1,
229 .consumer_supplies = &igep_vmmc1_supply,
232 static struct regulator_consumer_supply igep_vio_supply =
233 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 = 1,
247 .consumer_supplies = &igep_vio_supply,
250 static struct regulator_consumer_supply igep_vmmc2_supply =
251 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
253 static struct regulator_init_data igep_vmmc2 = {
255 .valid_modes_mask = REGULATOR_MODE_NORMAL,
258 .num_consumer_supplies = 1,
259 .consumer_supplies = &igep_vmmc2_supply,
262 static struct fixed_voltage_config igep_vwlan = {
263 .supply_name = "vwlan",
264 .microvolts = 3300000,
266 .enabled_at_boot = 1,
267 .init_data = &igep_vmmc2,
270 static struct platform_device igep_vwlan_device = {
271 .name = "reg-fixed-voltage",
274 .platform_data = &igep_vwlan,
278 static struct omap2_hsmmc_info mmc[] = {
281 .caps = MMC_CAP_4_BIT_DATA,
285 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
288 .caps = MMC_CAP_4_BIT_DATA,
296 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
297 #include <linux/leds.h>
299 static struct gpio_led igep_gpio_leds[] = {
301 .name = "gpio-led:red:d0",
302 .default_trigger = "default-off"
305 .name = "gpio-led:green:d0",
306 .default_trigger = "default-off",
309 .name = "gpio-led:red:d1",
310 .default_trigger = "default-off",
313 .name = "gpio-led:green:d1",
314 .default_trigger = "heartbeat",
315 .gpio = -EINVAL, /* gets replaced */
320 static struct gpio_led_platform_data igep_led_pdata = {
321 .leds = igep_gpio_leds,
322 .num_leds = ARRAY_SIZE(igep_gpio_leds),
325 static struct platform_device igep_led_device = {
329 .platform_data = &igep_led_pdata,
333 static void __init igep_leds_init(void)
335 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
336 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
337 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
339 platform_device_register(&igep_led_device);
343 static struct gpio igep_gpio_leds[] __initdata = {
344 { IGEP2_GPIO_LED0_RED, GPIOF_OUT_INIT_LOW, "gpio-led:red:d0" },
345 { IGEP2_GPIO_LED0_GREEN, GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
346 { IGEP2_GPIO_LED1_RED, GPIOF_OUT_INIT_LOW, "gpio-led:red:d1" },
349 static inline void igep_leds_init(void)
353 if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
354 pr_warning("IGEP v2: Could not obtain leds gpios\n");
358 for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
359 gpio_export(igep_gpio_leds[i].gpio, 0);
363 static struct gpio igep2_twl_gpios[] = {
364 { -EINVAL, GPIOF_IN, "GPIO_EHCI_NOC" },
365 { -EINVAL, GPIOF_OUT_INIT_LOW, "GPIO_USBH_CPEN" },
368 static int igep_twl_gpio_setup(struct device *dev,
369 unsigned gpio, unsigned ngpio)
373 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
374 mmc[0].gpio_cd = gpio + 0;
375 omap2_hsmmc_init(mmc);
377 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
378 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
379 ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
380 "gpio-led:green:d1");
382 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
384 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
386 igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
390 * REVISIT: need ehci-omap hooks for external VBUS
391 * power switch and overcurrent detect
393 igep2_twl_gpios[0].gpio = gpio + 1;
395 /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
396 igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
398 ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
400 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
405 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
406 .gpio_base = OMAP_MAX_GPIO_LINES,
407 .irq_base = TWL4030_GPIO_IRQ_BASE,
408 .irq_end = TWL4030_GPIO_IRQ_END,
410 .setup = igep_twl_gpio_setup,
413 static struct twl4030_usb_data igep_usb_data = {
414 .usb_mode = T2_USB_MODE_ULPI,
417 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
419 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
424 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
426 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
429 static struct panel_generic_dpi_data dvi_panel = {
431 .platform_enable = igep2_enable_dvi,
432 .platform_disable = igep2_disable_dvi,
435 static struct omap_dss_device igep2_dvi_device = {
436 .type = OMAP_DISPLAY_TYPE_DPI,
438 .driver_name = "generic_dpi_panel",
440 .phy.dpi.data_lines = 24,
443 static struct omap_dss_device *igep2_dss_devices[] = {
447 static struct omap_dss_board_info igep2_dss_data = {
448 .num_devices = ARRAY_SIZE(igep2_dss_devices),
449 .devices = igep2_dss_devices,
450 .default_device = &igep2_dvi_device,
453 static struct regulator_consumer_supply igep2_vpll2_supplies[] = {
454 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
455 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
458 static struct regulator_init_data igep2_vpll2 = {
464 .valid_modes_mask = REGULATOR_MODE_NORMAL
465 | REGULATOR_MODE_STANDBY,
466 .valid_ops_mask = REGULATOR_CHANGE_MODE
467 | REGULATOR_CHANGE_STATUS,
469 .num_consumer_supplies = ARRAY_SIZE(igep2_vpll2_supplies),
470 .consumer_supplies = igep2_vpll2_supplies,
473 static void __init igep2_display_init(void)
475 int err = gpio_request_one(IGEP2_GPIO_DVI_PUP, GPIOF_OUT_INIT_HIGH,
478 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
481 static struct platform_device *igep_devices[] __initdata = {
485 static void __init igep_init_early(void)
487 omap2_init_common_infrastructure();
488 omap2_init_common_devices(m65kxxxxam_sdrc_params,
489 m65kxxxxam_sdrc_params);
492 static struct twl4030_codec_audio_data igep2_audio_data;
494 static struct twl4030_codec_data igep2_codec_data = {
495 .audio_mclk = 26000000,
496 .audio = &igep2_audio_data,
499 static int igep2_keymap[] = {
501 KEY(0, 1, KEY_RIGHT),
508 KEY(2, 0, KEY_ENTER),
518 static struct matrix_keymap_data igep2_keymap_data = {
519 .keymap = igep2_keymap,
520 .keymap_size = ARRAY_SIZE(igep2_keymap),
523 static struct twl4030_keypad_data igep2_keypad_pdata = {
524 .keymap_data = &igep2_keymap_data,
530 static struct twl4030_platform_data igep_twldata = {
531 .irq_base = TWL4030_IRQ_BASE,
532 .irq_end = TWL4030_IRQ_END,
534 /* platform_data for children goes here */
535 .usb = &igep_usb_data,
536 .gpio = &igep_twl4030_gpio_pdata,
537 .vmmc1 = &igep_vmmc1,
541 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
543 I2C_BOARD_INFO("eeprom", 0x50),
547 static void __init igep_i2c_init(void)
552 * Bus 3 is attached to the DVI port where devices like the pico DLP
553 * projector don't work reliably with 400kHz
555 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
556 ARRAY_SIZE(igep2_i2c3_boardinfo));
558 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
560 igep_twldata.codec = &igep2_codec_data;
561 igep_twldata.keypad = &igep2_keypad_pdata;
562 igep_twldata.vpll2 = &igep2_vpll2;
564 omap3_pmic_init("twl4030", &igep_twldata);
567 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst = {
568 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
569 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
570 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
573 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
574 .reset_gpio_port[1] = -EINVAL,
575 .reset_gpio_port[2] = -EINVAL,
578 #ifdef CONFIG_OMAP_MUX
579 static struct omap_board_mux board_mux[] __initdata = {
580 { .reg_offset = OMAP_MUX_TERMINATOR },
584 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
585 static struct gpio igep_wlan_bt_gpios[] __initdata = {
586 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD" },
587 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
588 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET" },
591 static void __init igep_wlan_bt_init(void)
595 /* GPIO's for WLAN-BT combo depends on hardware revision */
596 if (hwrev == IGEP2_BOARD_HWREV_B) {
597 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
598 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
599 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
600 } else if (hwrev == IGEP2_BOARD_HWREV_C) {
601 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
602 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
603 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
607 err = gpio_request_array(igep_wlan_bt_gpios,
608 ARRAY_SIZE(igep_wlan_bt_gpios));
610 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
614 gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
615 gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
616 gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
618 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
620 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
624 static inline void __init igep_wlan_bt_init(void) { }
627 static void __init igep_init(void)
629 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
631 /* Get IGEP2 hardware revision */
632 igep2_get_revision();
633 /* Register I2C busses and drivers */
635 platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
643 * WLAN-BT combo module from MuRata which has a Marvell WLAN
644 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
648 omap_display_init(&igep2_dss_data);
649 igep2_display_init();
650 igep2_init_smsc911x();
651 usbhs_init(&igep2_usbhs_bdata);
654 MACHINE_START(IGEP0020, "IGEP v2 board")
655 .boot_params = 0x80000100,
656 .reserve = omap_reserve,
657 .map_io = omap3_map_io,
658 .init_early = igep_init_early,
659 .init_irq = omap_init_irq,
660 .init_machine = igep_init,
661 .timer = &omap_timer,