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>
32 #include <plat/gpmc.h>
34 #include <video/omapdss.h>
35 #include <video/omap-panel-dvi.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
58 #define IGEP3_GPIO_LED0_GREEN 54
59 #define IGEP3_GPIO_LED0_RED 53
60 #define IGEP3_GPIO_LED1_RED 16
61 #define IGEP3_GPIO_USBH_NRESET 183
64 * IGEP2 Hardware Revision Table
66 * --------------------------------------------------------------------------
67 * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
68 * --------------------------------------------------------------------------
69 * | 0 | B | high | gpio94 | gpio95 | - |
70 * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
71 * | 1 | C | low | gpio138 | gpio139 | gpio137 |
72 * --------------------------------------------------------------------------
75 #define IGEP2_BOARD_HWREV_B 0
76 #define IGEP2_BOARD_HWREV_C 1
77 #define IGEP3_BOARD_HWREV 2
81 static void __init igep2_get_revision(void)
85 if (machine_is_igep0030()) {
86 hwrev = IGEP3_BOARD_HWREV;
90 omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
92 if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
93 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
94 pr_err("IGEP2: Unknown Hardware Revision\n");
98 ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
100 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
101 hwrev = IGEP2_BOARD_HWREV_C;
102 } else if (ret == 1) {
103 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
104 hwrev = IGEP2_BOARD_HWREV_B;
106 pr_err("IGEP2: Unknown Hardware Revision\n");
110 gpio_free(IGEP2_GPIO_LED1_RED);
113 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
114 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
116 #define ONENAND_MAP 0x20000000
118 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
119 * Since the device is equipped with two DataRAMs, and two-plane NAND
120 * Flash memory array, these two component enables simultaneous program
121 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
122 * while Plane2 has only odd blocks such as block1, block3, block5.
123 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
126 static struct mtd_partition igep_onenand_partitions[] = {
130 .size = 2 * (64*(2*2048))
134 .offset = MTDPART_OFS_APPEND,
135 .size = 6 * (64*(2*2048)),
138 .name = "Environment",
139 .offset = MTDPART_OFS_APPEND,
140 .size = 2 * (64*(2*2048)),
144 .offset = MTDPART_OFS_APPEND,
145 .size = 12 * (64*(2*2048)),
148 .name = "File System",
149 .offset = MTDPART_OFS_APPEND,
150 .size = MTDPART_SIZ_FULL,
154 static struct omap_onenand_platform_data igep_onenand_data = {
155 .parts = igep_onenand_partitions,
156 .nr_parts = ARRAY_SIZE(igep_onenand_partitions),
157 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
160 static struct platform_device igep_onenand_device = {
161 .name = "omap2-onenand",
164 .platform_data = &igep_onenand_data,
168 static void __init igep_flash_init(void)
171 u8 onenandcs = GPMC_CS_NUM + 1;
173 for (cs = 0; cs < GPMC_CS_NUM; cs++) {
175 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
177 /* Check if NAND/oneNAND is configured */
178 if ((ret & 0xC00) == 0x800)
180 pr_err("IGEP: Unsupported NAND found\n");
182 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
183 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
189 if (onenandcs > GPMC_CS_NUM) {
190 pr_err("IGEP: Unable to find configuration in GPMC\n");
194 igep_onenand_data.cs = onenandcs;
196 if (platform_device_register(&igep_onenand_device) < 0)
197 pr_err("IGEP: Unable to register OneNAND device\n");
201 static void __init igep_flash_init(void) {}
204 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
206 #include <linux/smsc911x.h>
207 #include <plat/gpmc-smsc911x.h>
209 static struct omap_smsc911x_platform_data smsc911x_cfg = {
210 .cs = IGEP2_SMSC911X_CS,
211 .gpio_irq = IGEP2_SMSC911X_GPIO,
212 .gpio_reset = -EINVAL,
213 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
216 static inline void __init igep2_init_smsc911x(void)
218 gpmc_smsc911x_init(&smsc911x_cfg);
222 static inline void __init igep2_init_smsc911x(void) { }
225 static struct regulator_consumer_supply igep_vmmc1_supply[] = {
226 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
229 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
230 static struct regulator_init_data igep_vmmc1 = {
234 .valid_modes_mask = REGULATOR_MODE_NORMAL
235 | REGULATOR_MODE_STANDBY,
236 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
237 | REGULATOR_CHANGE_MODE
238 | REGULATOR_CHANGE_STATUS,
240 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc1_supply),
241 .consumer_supplies = igep_vmmc1_supply,
244 static struct regulator_consumer_supply igep_vio_supply[] = {
245 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"),
248 static struct regulator_init_data igep_vio = {
253 .valid_modes_mask = REGULATOR_MODE_NORMAL
254 | REGULATOR_MODE_STANDBY,
255 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
256 | REGULATOR_CHANGE_MODE
257 | REGULATOR_CHANGE_STATUS,
259 .num_consumer_supplies = ARRAY_SIZE(igep_vio_supply),
260 .consumer_supplies = igep_vio_supply,
263 static struct regulator_consumer_supply igep_vmmc2_supply[] = {
264 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
267 static struct regulator_init_data igep_vmmc2 = {
269 .valid_modes_mask = REGULATOR_MODE_NORMAL,
272 .num_consumer_supplies = ARRAY_SIZE(igep_vmmc2_supply),
273 .consumer_supplies = igep_vmmc2_supply,
276 static struct fixed_voltage_config igep_vwlan = {
277 .supply_name = "vwlan",
278 .microvolts = 3300000,
280 .enabled_at_boot = 1,
281 .init_data = &igep_vmmc2,
284 static struct platform_device igep_vwlan_device = {
285 .name = "reg-fixed-voltage",
288 .platform_data = &igep_vwlan,
292 static struct omap2_hsmmc_info mmc[] = {
295 .caps = MMC_CAP_4_BIT_DATA,
300 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
303 .caps = MMC_CAP_4_BIT_DATA,
311 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
312 #include <linux/leds.h>
314 static struct gpio_led igep_gpio_leds[] = {
316 .name = "gpio-led:red:d0",
317 .default_trigger = "default-off"
320 .name = "gpio-led:green:d0",
321 .default_trigger = "default-off",
324 .name = "gpio-led:red:d1",
325 .default_trigger = "default-off",
328 .name = "gpio-led:green:d1",
329 .default_trigger = "heartbeat",
330 .gpio = -EINVAL, /* gets replaced */
335 static struct gpio_led_platform_data igep_led_pdata = {
336 .leds = igep_gpio_leds,
337 .num_leds = ARRAY_SIZE(igep_gpio_leds),
340 static struct platform_device igep_led_device = {
344 .platform_data = &igep_led_pdata,
348 static void __init igep_leds_init(void)
350 if (machine_is_igep0020()) {
351 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
352 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
353 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
355 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
356 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
357 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
360 platform_device_register(&igep_led_device);
364 static struct gpio igep_gpio_leds[] __initdata = {
365 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d0" },
366 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
367 { -EINVAL, GPIOF_OUT_INIT_LOW, "gpio-led:red:d1" },
370 static inline void igep_leds_init(void)
374 if (machine_is_igep0020()) {
375 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
376 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
377 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
379 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
380 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
381 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
384 if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
385 pr_warning("IGEP v2: Could not obtain leds gpios\n");
389 for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
390 gpio_export(igep_gpio_leds[i].gpio, 0);
394 static struct gpio igep2_twl_gpios[] = {
395 { -EINVAL, GPIOF_IN, "GPIO_EHCI_NOC" },
396 { -EINVAL, GPIOF_OUT_INIT_LOW, "GPIO_USBH_CPEN" },
399 static int igep_twl_gpio_setup(struct device *dev,
400 unsigned gpio, unsigned ngpio)
404 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
405 mmc[0].gpio_cd = gpio + 0;
406 omap_hsmmc_late_init(mmc);
408 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
409 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
410 ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
411 "gpio-led:green:d1");
413 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
415 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
417 igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
420 if (machine_is_igep0030())
424 * REVISIT: need ehci-omap hooks for external VBUS
425 * power switch and overcurrent detect
427 igep2_twl_gpios[0].gpio = gpio + 1;
429 /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
430 igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
432 ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
434 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
439 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
440 .gpio_base = OMAP_MAX_GPIO_LINES,
441 .irq_base = TWL4030_GPIO_IRQ_BASE,
442 .irq_end = TWL4030_GPIO_IRQ_END,
444 .setup = igep_twl_gpio_setup,
447 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
449 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
454 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
456 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
459 static struct panel_dvi_platform_data dvi_panel = {
460 .platform_enable = igep2_enable_dvi,
461 .platform_disable = igep2_disable_dvi,
465 static struct omap_dss_device igep2_dvi_device = {
466 .type = OMAP_DISPLAY_TYPE_DPI,
468 .driver_name = "dvi",
470 .phy.dpi.data_lines = 24,
473 static struct omap_dss_device *igep2_dss_devices[] = {
477 static struct omap_dss_board_info igep2_dss_data = {
478 .num_devices = ARRAY_SIZE(igep2_dss_devices),
479 .devices = igep2_dss_devices,
480 .default_device = &igep2_dvi_device,
483 static void __init igep2_display_init(void)
485 int err = gpio_request_one(IGEP2_GPIO_DVI_PUP, GPIOF_OUT_INIT_HIGH,
488 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
491 static struct platform_device *igep_devices[] __initdata = {
495 static int igep2_keymap[] = {
497 KEY(0, 1, KEY_RIGHT),
504 KEY(2, 0, KEY_ENTER),
514 static struct matrix_keymap_data igep2_keymap_data = {
515 .keymap = igep2_keymap,
516 .keymap_size = ARRAY_SIZE(igep2_keymap),
519 static struct twl4030_keypad_data igep2_keypad_pdata = {
520 .keymap_data = &igep2_keymap_data,
526 static struct twl4030_platform_data igep_twldata = {
527 /* platform_data for children goes here */
528 .gpio = &igep_twl4030_gpio_pdata,
529 .vmmc1 = &igep_vmmc1,
533 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
535 I2C_BOARD_INFO("eeprom", 0x50),
539 static void __init igep_i2c_init(void)
543 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB, 0);
545 if (machine_is_igep0020()) {
547 * Bus 3 is attached to the DVI port where devices like the
548 * pico DLP projector don't work reliably with 400kHz
550 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
551 ARRAY_SIZE(igep2_i2c3_boardinfo));
553 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
555 igep_twldata.keypad = &igep2_keypad_pdata;
556 /* Get common pmic data */
557 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO,
558 TWL_COMMON_REGULATOR_VPLL2);
559 igep_twldata.vpll2->constraints.apply_uV = true;
560 igep_twldata.vpll2->constraints.name = "VDVI";
563 omap3_pmic_init("twl4030", &igep_twldata);
566 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst = {
567 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
568 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
569 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
572 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
573 .reset_gpio_port[1] = -EINVAL,
574 .reset_gpio_port[2] = -EINVAL,
577 static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst = {
578 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
579 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
580 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
583 .reset_gpio_port[0] = -EINVAL,
584 .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
585 .reset_gpio_port[2] = -EINVAL,
588 #ifdef CONFIG_OMAP_MUX
589 static struct omap_board_mux board_mux[] __initdata = {
590 { .reg_offset = OMAP_MUX_TERMINATOR },
594 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
595 static struct gpio igep_wlan_bt_gpios[] __initdata = {
596 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD" },
597 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
598 { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET" },
601 static void __init igep_wlan_bt_init(void)
605 /* GPIO's for WLAN-BT combo depends on hardware revision */
606 if (hwrev == IGEP2_BOARD_HWREV_B) {
607 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
608 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
609 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
610 } else if (hwrev == IGEP2_BOARD_HWREV_C || machine_is_igep0030()) {
611 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
612 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
613 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
617 err = gpio_request_array(igep_wlan_bt_gpios,
618 ARRAY_SIZE(igep_wlan_bt_gpios));
620 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
624 gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
625 gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
626 gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
628 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
630 gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
634 static inline void __init igep_wlan_bt_init(void) { }
637 static struct regulator_consumer_supply dummy_supplies[] = {
638 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
639 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
642 static void __init igep_init(void)
644 regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
645 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
647 /* Get IGEP2 hardware revision */
648 igep2_get_revision();
650 omap_hsmmc_init(mmc);
652 /* Register I2C busses and drivers */
654 platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
656 omap_sdrc_init(m65kxxxxam_sdrc_params,
657 m65kxxxxam_sdrc_params);
664 * WLAN-BT combo module from MuRata which has a Marvell WLAN
665 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
669 if (machine_is_igep0020()) {
670 omap_display_init(&igep2_dss_data);
671 igep2_display_init();
672 igep2_init_smsc911x();
673 usbhs_init(&igep2_usbhs_bdata);
675 usbhs_init(&igep3_usbhs_bdata);
679 MACHINE_START(IGEP0020, "IGEP v2 board")
680 .atag_offset = 0x100,
681 .reserve = omap_reserve,
682 .map_io = omap3_map_io,
683 .init_early = omap35xx_init_early,
684 .init_irq = omap3_init_irq,
685 .handle_irq = omap3_intc_handle_irq,
686 .init_machine = igep_init,
687 .timer = &omap3_timer,
688 .restart = omap_prcm_restart,
691 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
692 .atag_offset = 0x100,
693 .reserve = omap_reserve,
694 .map_io = omap3_map_io,
695 .init_early = omap35xx_init_early,
696 .init_irq = omap3_init_irq,
697 .handle_irq = omap3_intc_handle_irq,
698 .init_machine = igep_init,
699 .timer = &omap3_timer,
700 .restart = omap_prcm_restart,