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 struct omap_onenand_platform_data igep2_onenand_data = {
140 .parts = igep2_onenand_partitions,
141 .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
142 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
145 static struct platform_device igep2_onenand_device = {
146 .name = "omap2-onenand",
149 .platform_data = &igep2_onenand_data,
153 static void __init igep2_flash_init(void)
156 u8 onenandcs = GPMC_CS_NUM + 1;
158 while (cs < GPMC_CS_NUM) {
160 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
162 /* Check if NAND/oneNAND is configured */
163 if ((ret & 0xC00) == 0x800)
165 pr_err("IGEP v2: Unsupported NAND found\n");
167 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
168 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
174 if (onenandcs > GPMC_CS_NUM) {
175 pr_err("IGEP v2: Unable to find configuration in GPMC\n");
179 if (onenandcs < GPMC_CS_NUM) {
180 igep2_onenand_data.cs = onenandcs;
181 if (platform_device_register(&igep2_onenand_device) < 0)
182 pr_err("IGEP v2: Unable to register OneNAND device\n");
187 static void __init igep2_flash_init(void) {}
190 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
192 #include <linux/smsc911x.h>
194 static struct smsc911x_platform_config igep2_smsc911x_config = {
195 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
196 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
197 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
198 .phy_interface = PHY_INTERFACE_MODE_MII,
201 static struct resource igep2_smsc911x_resources[] = {
203 .flags = IORESOURCE_MEM,
206 .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
207 .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
208 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
212 static struct platform_device igep2_smsc911x_device = {
215 .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
216 .resource = igep2_smsc911x_resources,
218 .platform_data = &igep2_smsc911x_config,
222 static inline void __init igep2_init_smsc911x(void)
224 unsigned long cs_mem_base;
226 if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
227 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
228 gpmc_cs_free(IGEP2_SMSC911X_CS);
232 igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
233 igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
235 if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
236 (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
237 gpio_export(IGEP2_SMSC911X_GPIO, 0);
239 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
243 platform_device_register(&igep2_smsc911x_device);
247 static inline void __init igep2_init_smsc911x(void) { }
250 static struct omap_board_config_kernel igep2_config[] __initdata = {
253 static struct regulator_consumer_supply igep2_vmmc1_supply = {
257 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
258 static struct regulator_init_data igep2_vmmc1 = {
262 .valid_modes_mask = REGULATOR_MODE_NORMAL
263 | REGULATOR_MODE_STANDBY,
264 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
265 | REGULATOR_CHANGE_MODE
266 | REGULATOR_CHANGE_STATUS,
268 .num_consumer_supplies = 1,
269 .consumer_supplies = &igep2_vmmc1_supply,
272 static struct omap2_hsmmc_info mmc[] = {
275 .caps = MMC_CAP_4_BIT_DATA,
279 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
282 .caps = MMC_CAP_4_BIT_DATA,
290 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
291 #include <linux/leds.h>
293 static struct gpio_led igep2_gpio_leds[] = {
295 .name = "gpio-led:red:d0",
296 .gpio = IGEP2_GPIO_LED0_RED,
297 .default_trigger = "default-off"
300 .name = "gpio-led:green:d0",
301 .gpio = IGEP2_GPIO_LED0_GREEN,
302 .default_trigger = "default-off",
305 .name = "gpio-led:red:d1",
306 .gpio = IGEP2_GPIO_LED1_RED,
307 .default_trigger = "default-off",
310 .name = "gpio-led:green:d1",
311 .default_trigger = "heartbeat",
312 .gpio = -EINVAL, /* gets replaced */
316 static struct gpio_led_platform_data igep2_led_pdata = {
317 .leds = igep2_gpio_leds,
318 .num_leds = ARRAY_SIZE(igep2_gpio_leds),
321 static struct platform_device igep2_led_device = {
325 .platform_data = &igep2_led_pdata,
329 static void __init igep2_leds_init(void)
331 platform_device_register(&igep2_led_device);
335 static inline void igep2_leds_init(void)
337 if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
338 (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
339 gpio_export(IGEP2_GPIO_LED0_RED, 0);
340 gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
342 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
344 if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
345 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
346 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
347 gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
349 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
351 if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
352 (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
353 gpio_export(IGEP2_GPIO_LED1_RED, 0);
354 gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
356 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
361 static int igep2_twl_gpio_setup(struct device *dev,
362 unsigned gpio, unsigned ngpio)
364 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
365 mmc[0].gpio_cd = gpio + 0;
366 omap2_hsmmc_init(mmc);
369 * link regulators to MMC adapters ... we "know" the
370 * regulators will be set up only *after* we return.
372 igep2_vmmc1_supply.dev = mmc[0].dev;
375 * REVISIT: need ehci-omap hooks for external VBUS
376 * power switch and overcurrent detect
378 if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
379 (gpio_direction_input(gpio + 1) < 0))
380 pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
383 * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
386 if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
387 (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
388 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
390 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
391 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
392 if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
393 && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
394 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
395 gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
397 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
399 igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
405 static struct twl4030_gpio_platform_data igep2_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 = igep2_twl_gpio_setup,
413 static struct twl4030_usb_data igep2_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 omap_dss_device igep2_dvi_device = {
430 .type = OMAP_DISPLAY_TYPE_DPI,
432 .driver_name = "generic_panel",
433 .phy.dpi.data_lines = 24,
434 .platform_enable = igep2_enable_dvi,
435 .platform_disable = igep2_disable_dvi,
438 static struct omap_dss_device *igep2_dss_devices[] = {
442 static struct omap_dss_board_info igep2_dss_data = {
443 .num_devices = ARRAY_SIZE(igep2_dss_devices),
444 .devices = igep2_dss_devices,
445 .default_device = &igep2_dvi_device,
448 static struct platform_device igep2_dss_device = {
452 .platform_data = &igep2_dss_data,
456 static struct regulator_consumer_supply igep2_vpll2_supply = {
457 .supply = "vdds_dsi",
458 .dev = &igep2_dss_device.dev,
461 static struct regulator_init_data igep2_vpll2 = {
467 .valid_modes_mask = REGULATOR_MODE_NORMAL
468 | REGULATOR_MODE_STANDBY,
469 .valid_ops_mask = REGULATOR_CHANGE_MODE
470 | REGULATOR_CHANGE_STATUS,
472 .num_consumer_supplies = 1,
473 .consumer_supplies = &igep2_vpll2_supply,
476 static void __init igep2_display_init(void)
478 if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
479 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
480 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
483 static struct platform_device *igep2_devices[] __initdata = {
487 static void __init igep2_init_irq(void)
489 omap_board_config = igep2_config;
490 omap_board_config_size = ARRAY_SIZE(igep2_config);
491 omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
496 static struct twl4030_codec_audio_data igep2_audio_data = {
497 .audio_mclk = 26000000,
500 static struct twl4030_codec_data igep2_codec_data = {
501 .audio_mclk = 26000000,
502 .audio = &igep2_audio_data,
505 static struct twl4030_platform_data igep2_twldata = {
506 .irq_base = TWL4030_IRQ_BASE,
507 .irq_end = TWL4030_IRQ_END,
509 /* platform_data for children goes here */
510 .usb = &igep2_usb_data,
511 .codec = &igep2_codec_data,
512 .gpio = &igep2_twl4030_gpio_pdata,
513 .vmmc1 = &igep2_vmmc1,
514 .vpll2 = &igep2_vpll2,
518 static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {
520 I2C_BOARD_INFO("twl4030", 0x48),
521 .flags = I2C_CLIENT_WAKE,
522 .irq = INT_34XX_SYS_NIRQ,
523 .platform_data = &igep2_twldata,
527 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
529 I2C_BOARD_INFO("eeprom", 0x50),
533 static void __init igep2_i2c_init(void)
537 ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,
538 ARRAY_SIZE(igep2_i2c1_boardinfo));
540 pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);
543 * Bus 3 is attached to the DVI port where devices like the pico DLP
544 * projector don't work reliably with 400kHz
546 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
547 ARRAY_SIZE(igep2_i2c3_boardinfo));
549 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
552 static struct omap_musb_board_data musb_board_data = {
553 .interface_type = MUSB_INTERFACE_ULPI,
558 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
559 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
560 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
561 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
564 .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
565 .reset_gpio_port[1] = -EINVAL,
566 .reset_gpio_port[2] = -EINVAL,
569 #ifdef CONFIG_OMAP_MUX
570 static struct omap_board_mux board_mux[] __initdata = {
571 { .reg_offset = OMAP_MUX_TERMINATOR },
574 #define board_mux NULL
577 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
579 static void __init igep2_wlan_bt_init(void)
581 unsigned npd, wreset, btreset;
583 /* GPIO's for WLAN-BT combo depends on hardware revision */
584 if (hwrev == IGEP2_BOARD_HWREV_B) {
585 npd = IGEP2_RB_GPIO_WIFI_NPD;
586 wreset = IGEP2_RB_GPIO_WIFI_NRESET;
587 btreset = IGEP2_RB_GPIO_BT_NRESET;
588 } else if (hwrev == IGEP2_BOARD_HWREV_C) {
589 npd = IGEP2_RC_GPIO_WIFI_NPD;
590 wreset = IGEP2_RC_GPIO_WIFI_NRESET;
591 btreset = IGEP2_RC_GPIO_BT_NRESET;
595 /* Set GPIO's for WLAN-BT combo module */
596 if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
597 (gpio_direction_output(npd, 1) == 0)) {
600 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
602 if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
603 (gpio_direction_output(wreset, 1) == 0)) {
604 gpio_export(wreset, 0);
605 gpio_set_value(wreset, 0);
607 gpio_set_value(wreset, 1);
609 pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
611 if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
612 (gpio_direction_output(btreset, 1) == 0)) {
613 gpio_export(btreset, 0);
615 pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
618 static inline void __init igep2_wlan_bt_init(void) { }
621 static void __init igep2_init(void)
623 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
625 /* Get IGEP2 hardware revision */
626 igep2_get_revision();
627 /* Register I2C busses and drivers */
629 platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
631 usb_musb_init(&musb_board_data);
632 usb_ehci_init(&ehci_pdata);
636 igep2_display_init();
637 igep2_init_smsc911x();
640 * WLAN-BT combo module from MuRata wich has a Marvell WLAN
641 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
643 igep2_wlan_bt_init();
647 MACHINE_START(IGEP0020, "IGEP v2 board")
648 .boot_params = 0x80000100,
649 .map_io = omap3_map_io,
650 .reserve = omap_reserve,
651 .init_irq = igep2_init_irq,
652 .init_machine = igep2_init,
653 .timer = &omap_timer,