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>
33 #include <plat/gpmc.h>
35 #include <plat/serial.h>
37 #include <video/omapdss.h>
38 #include <video/omap-panel-tfp410.h>
39 #include <plat/onenand.h>
43 #include "sdram-numonyx-m65kxxxxam.h"
44 #include "common-board-devices.h"
45 #include "board-flash.h"
48 #define IGEP2_SMSC911X_CS 5
49 #define IGEP2_SMSC911X_GPIO 176
50 #define IGEP2_GPIO_USBH_NRESET 24
51 #define IGEP2_GPIO_LED0_GREEN 26
52 #define IGEP2_GPIO_LED0_RED 27
53 #define IGEP2_GPIO_LED1_RED 28
54 #define IGEP2_GPIO_DVI_PUP 170
56 #define IGEP2_RB_GPIO_WIFI_NPD 94
57 #define IGEP2_RB_GPIO_WIFI_NRESET 95
58 #define IGEP2_RB_GPIO_BT_NRESET 137
59 #define IGEP2_RC_GPIO_WIFI_NPD 138
60 #define IGEP2_RC_GPIO_WIFI_NRESET 139
61 #define IGEP2_RC_GPIO_BT_NRESET 137
63 #define IGEP3_GPIO_LED0_GREEN 54
64 #define IGEP3_GPIO_LED0_RED 53
65 #define IGEP3_GPIO_LED1_RED 16
66 #define IGEP3_GPIO_USBH_NRESET 183
68 #define IGEP_SYSBOOT_MASK 0x1f
69 #define IGEP_SYSBOOT_NAND 0x0f
70 #define IGEP_SYSBOOT_ONENAND 0x10
73 * IGEP2 Hardware Revision Table
75 * --------------------------------------------------------------------------
76 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
77 * --------------------------------------------------------------------------
78 * | 0 | B | high | gpio94 | gpio95 | - |
79 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
80 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
81 * --------------------------------------------------------------------------
84 #define IGEP2_BOARD_HWREV_B 0
85 #define IGEP2_BOARD_HWREV_C 1
86 #define IGEP3_BOARD_HWREV 2
90 static void __init igep2_get_revision(void)
94 if (machine_is_igep0030()) {
95 hwrev = IGEP3_BOARD_HWREV;
99 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
101 if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
102 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
103 pr_err("IGEP2: Unknown Hardware Revision\n");
107 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
109 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
110 hwrev = IGEP2_BOARD_HWREV_C;
111 } else if (ret == 1) {
112 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
113 hwrev = IGEP2_BOARD_HWREV_B;
115 pr_err("IGEP2: Unknown Hardware Revision\n");
119 gpio_free(IGEP2_GPIO_LED1_RED);
122 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
123 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) || \
124 defined(CONFIG_MTD_NAND_OMAP2) || \
125 defined(CONFIG_MTD_NAND_OMAP2_MODULE)
127 #define ONENAND_MAP 0x20000000
129 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
130 * Since the device is equipped with two DataRAMs, and two-plane NAND
131 * Flash memory array, these two component enables simultaneous program
132 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
133 * while Plane2 has only odd blocks such as block1, block3, block5.
134 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
137 static struct mtd_partition igep_flash_partitions[] = {
141 .size = 2 * (64*(2*2048))
145 .offset = MTDPART_OFS_APPEND,
146 .size = 6 * (64*(2*2048)),
149 .name = "Environment",
150 .offset = MTDPART_OFS_APPEND,
151 .size = 2 * (64*(2*2048)),
155 .offset = MTDPART_OFS_APPEND,
156 .size = 12 * (64*(2*2048)),
159 .name = "File System",
160 .offset = MTDPART_OFS_APPEND,
161 .size = MTDPART_SIZ_FULL,
165 static inline u32 igep_get_sysboot_value(void)
167 return omap_ctrl_readl(OMAP343X_CONTROL_STATUS) & IGEP_SYSBOOT_MASK;
170 static void __init igep_flash_init(void)
173 mux = igep_get_sysboot_value();
175 if (mux == IGEP_SYSBOOT_NAND) {
176 pr_info("IGEP: initializing NAND memory device\n");
177 board_nand_init(igep_flash_partitions,
178 ARRAY_SIZE(igep_flash_partitions),
179 0, NAND_BUSWIDTH_16);
180 } else if (mux == IGEP_SYSBOOT_ONENAND) {
181 pr_info("IGEP: initializing OneNAND memory device\n");
182 board_onenand_init(igep_flash_partitions,
183 ARRAY_SIZE(igep_flash_partitions), 0);
185 pr_err("IGEP: Flash: unsupported sysboot sequence found\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"),
218 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
219 static struct regulator_init_data igep_vmmc1 = {
223 .valid_modes_mask = REGULATOR_MODE_NORMAL
224 | REGULATOR_MODE_STANDBY,
225 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
226 | REGULATOR_CHANGE_MODE
227 | REGULATOR_CHANGE_STATUS,
229 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc1_supply),
230 .consumer_supplies = igep_vmmc1_supply,
233 static struct regulator_consumer_supply igep_vio_supply[] = {
234 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"),
237 static struct regulator_init_data igep_vio = {
242 .valid_modes_mask = REGULATOR_MODE_NORMAL
243 | REGULATOR_MODE_STANDBY,
244 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
245 | REGULATOR_CHANGE_MODE
246 | REGULATOR_CHANGE_STATUS,
248 .num_consumer_supplies = ARRAY_SIZE(igep_vio_supply),
249 .consumer_supplies = igep_vio_supply,
252 static struct regulator_consumer_supply igep_vmmc2_supply[] = {
253 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
256 static struct regulator_init_data igep_vmmc2 = {
258 .valid_modes_mask = REGULATOR_MODE_NORMAL,
261 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc2_supply),
262 .consumer_supplies = igep_vmmc2_supply,
265 static struct fixed_voltage_config igep_vwlan = {
266 .supply_name = "vwlan",
267 .microvolts = 3300000,
269 .enabled_at_boot = 1,
270 .init_data = &igep_vmmc2,
273 static struct platform_device igep_vwlan_device = {
274 .name = "reg-fixed-voltage",
277 .platform_data = &igep_vwlan,
281 static struct omap2_hsmmc_info mmc[] = {
284 .caps = MMC_CAP_4_BIT_DATA,
289 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
292 .caps = MMC_CAP_4_BIT_DATA,
300 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
301 #include <linux/leds.h>
303 static struct gpio_led igep_gpio_leds[] = {
305 .name = "gpio-led:red:d0",
306 .default_trigger = "default-off"
309 .name = "gpio-led:green:d0",
310 .default_trigger = "default-off",
313 .name = "gpio-led:red:d1",
314 .default_trigger = "default-off",
317 .name = "gpio-led:green:d1",
318 .default_trigger = "heartbeat",
319 .gpio = -EINVAL, /* gets replaced */
324 static struct gpio_led_platform_data igep_led_pdata = {
325 .leds = igep_gpio_leds,
326 .num_leds = ARRAY_SIZE(igep_gpio_leds),
329 static struct platform_device igep_led_device = {
333 .platform_data = &igep_led_pdata,
337 static void __init igep_leds_init(void)
339 if (machine_is_igep0020()) {
340 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
341 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
342 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
344 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
345 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
346 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
349 platform_device_register(&igep_led_device);
353 static struct gpio igep_gpio_leds[] __initdata = {
354 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d0" },
355 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
356 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d1" },
359 static inline void igep_leds_init(void)
363 if (machine_is_igep0020()) {
364 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
365 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
366 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
368 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
369 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
370 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
373 if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
374 pr_warning("IGEP v2: Could not obtain leds gpios\n");
378 for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
379 gpio_export(igep_gpio_leds[i].gpio, 0);
383 static struct gpio igep2_twl_gpios[] = {
384 { -EINVAL, GPIOF_IN, "GPIO_EHCI_NOC" },
385 { -EINVAL, GPIOF_OUT_INIT_LOW, "GPIO_USBH_CPEN" },
388 static int igep_twl_gpio_setup(struct device *dev,
389 unsigned gpio, unsigned ngpio)
393 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
394 mmc[0].gpio_cd = gpio + 0;
395 omap_hsmmc_late_init(mmc);
397 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
398 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
399 ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
400 "gpio-led:green:d1");
402 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
404 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
406 igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
409 if (machine_is_igep0030())
413 * REVISIT: need ehci-omap hooks for external VBUS
414 * power switch and overcurrent detect
416 igep2_twl_gpios[0].gpio = gpio + 1;
418 /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
419 igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
421 ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
423 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
428 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
430 .setup = igep_twl_gpio_setup,
433 static struct tfp410_platform_data dvi_panel = {
435 .power_down_gpio = IGEP2_GPIO_DVI_PUP,
438 static struct omap_dss_device igep2_dvi_device = {
439 .type = OMAP_DISPLAY_TYPE_DPI,
441 .driver_name = "tfp410",
443 .phy.dpi.data_lines = 24,
446 static struct omap_dss_device *igep2_dss_devices[] = {
450 static struct omap_dss_board_info igep2_dss_data = {
451 .num_devices = ARRAY_SIZE(igep2_dss_devices),
452 .devices = igep2_dss_devices,
453 .default_device = &igep2_dvi_device,
456 static struct platform_device *igep_devices[] __initdata = {
460 static int igep2_keymap[] = {
462 KEY(0, 1, KEY_RIGHT),
469 KEY(2, 0, KEY_ENTER),
479 static struct matrix_keymap_data igep2_keymap_data = {
480 .keymap = igep2_keymap,
481 .keymap_size = ARRAY_SIZE(igep2_keymap),
484 static struct twl4030_keypad_data igep2_keypad_pdata = {
485 .keymap_data = &igep2_keymap_data,
491 static struct twl4030_platform_data igep_twldata = {
492 /* platform_data for children goes here */
493 .gpio = &igep_twl4030_gpio_pdata,
494 .vmmc1 = &igep_vmmc1,
498 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
500 I2C_BOARD_INFO("eeprom", 0x50),
504 static void __init igep_i2c_init(void)
508 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB,
509 TWL_COMMON_REGULATOR_VPLL2);
510 igep_twldata.vpll2->constraints.apply_uV = true;
511 igep_twldata.vpll2->constraints.name = "VDVI";
513 if (machine_is_igep0020()) {
515 * Bus 3 is attached to the DVI port where devices like the
516 * pico DLP projector don't work reliably with 400kHz
518 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
519 ARRAY_SIZE(igep2_i2c3_boardinfo));
521 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
523 igep_twldata.keypad = &igep2_keypad_pdata;
524 /* Get common pmic data */
525 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO, 0);
528 omap3_pmic_init("twl4030", &igep_twldata);
531 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst = {
532 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
533 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
534 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
537 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
538 .reset_gpio_port[1] = -EINVAL,
539 .reset_gpio_port[2] = -EINVAL,
542 static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst = {
543 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
544 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
545 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
548 .reset_gpio_port[0] = -EINVAL,
549 .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
550 .reset_gpio_port[2] = -EINVAL,
553 #ifdef CONFIG_OMAP_MUX
554 static struct omap_board_mux board_mux[] __initdata = {
555 /* SMSC9221 LAN Controller ETH IRQ (GPIO_176) */
556 OMAP3_MUX(MCSPI1_CS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
557 { .reg_offset = OMAP_MUX_TERMINATOR },
561 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
562 static struct gpio igep_wlan_bt_gpios[] __initdata = {
563 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD" },
564 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
565 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET" },
568 static void __init igep_wlan_bt_init(void)
572 /* GPIO's for WLAN-BT combo depends on hardware revision */
573 if (hwrev == IGEP2_BOARD_HWREV_B) {
574 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
575 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
576 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
577 } else if (hwrev == IGEP2_BOARD_HWREV_C || machine_is_igep0030()) {
578 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
579 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
580 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
584 err = gpio_request_array(igep_wlan_bt_gpios,
585 ARRAY_SIZE(igep_wlan_bt_gpios));
587 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
591 gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
592 gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
593 gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
595 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
597 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
601 static inline void __init igep_wlan_bt_init(void) { }
604 static struct regulator_consumer_supply dummy_supplies[] = {
605 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
606 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
609 static void __init igep_init(void)
611 regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
612 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
614 /* Get IGEP2 hardware revision */
615 igep2_get_revision();
617 omap_hsmmc_init(mmc);
619 /* Register I2C busses and drivers */
621 platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
623 omap_sdrc_init(m65kxxxxam_sdrc_params,
624 m65kxxxxam_sdrc_params);
631 * WLAN-BT combo module from MuRata which has a Marvell WLAN
632 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
636 if (machine_is_igep0020()) {
637 omap_display_init(&igep2_dss_data);
638 igep2_init_smsc911x();
639 usbhs_init(&igep2_usbhs_bdata);
641 usbhs_init(&igep3_usbhs_bdata);
645 MACHINE_START(IGEP0020, "IGEP v2 board")
646 .atag_offset = 0x100,
647 .reserve = omap_reserve,
648 .map_io = omap3_map_io,
649 .init_early = omap35xx_init_early,
650 .init_irq = omap3_init_irq,
651 .handle_irq = omap3_intc_handle_irq,
652 .init_machine = igep_init,
653 .init_late = omap35xx_init_late,
654 .timer = &omap3_timer,
655 .restart = omap_prcm_restart,
658 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
659 .atag_offset = 0x100,
660 .reserve = omap_reserve,
661 .map_io = omap3_map_io,
662 .init_early = omap35xx_init_early,
663 .init_irq = omap3_init_irq,
664 .handle_irq = omap3_intc_handle_irq,
665 .init_machine = igep_init,
666 .init_late = omap35xx_init_late,
667 .timer = &omap3_timer,
668 .restart = omap_prcm_restart,