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 <video/omapdss.h>
35 #include <video/omap-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
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
,
299 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
302 .caps
= MMC_CAP_4_BIT_DATA
,
310 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
311 #include <linux/leds.h>
313 static struct gpio_led igep_gpio_leds
[] = {
315 .name
= "gpio-led:red:d0",
316 .default_trigger
= "default-off"
319 .name
= "gpio-led:green:d0",
320 .default_trigger
= "default-off",
323 .name
= "gpio-led:red:d1",
324 .default_trigger
= "default-off",
327 .name
= "gpio-led:green:d1",
328 .default_trigger
= "heartbeat",
329 .gpio
= -EINVAL
, /* gets replaced */
334 static struct gpio_led_platform_data igep_led_pdata
= {
335 .leds
= igep_gpio_leds
,
336 .num_leds
= ARRAY_SIZE(igep_gpio_leds
),
339 static struct platform_device igep_led_device
= {
343 .platform_data
= &igep_led_pdata
,
347 static void __init
igep_leds_init(void)
349 if (machine_is_igep0020()) {
350 igep_gpio_leds
[0].gpio
= IGEP2_GPIO_LED0_RED
;
351 igep_gpio_leds
[1].gpio
= IGEP2_GPIO_LED0_GREEN
;
352 igep_gpio_leds
[2].gpio
= IGEP2_GPIO_LED1_RED
;
354 igep_gpio_leds
[0].gpio
= IGEP3_GPIO_LED0_RED
;
355 igep_gpio_leds
[1].gpio
= IGEP3_GPIO_LED0_GREEN
;
356 igep_gpio_leds
[2].gpio
= IGEP3_GPIO_LED1_RED
;
359 platform_device_register(&igep_led_device
);
363 static struct gpio igep_gpio_leds
[] __initdata
= {
364 { -EINVAL
, GPIOF_OUT_INIT_LOW
, "gpio-led:red:d0" },
365 { -EINVAL
, GPIOF_OUT_INIT_LOW
, "gpio-led:green:d0" },
366 { -EINVAL
, GPIOF_OUT_INIT_LOW
, "gpio-led:red:d1" },
369 static inline void igep_leds_init(void)
373 if (machine_is_igep0020()) {
374 igep_gpio_leds
[0].gpio
= IGEP2_GPIO_LED0_RED
;
375 igep_gpio_leds
[1].gpio
= IGEP2_GPIO_LED0_GREEN
;
376 igep_gpio_leds
[2].gpio
= IGEP2_GPIO_LED1_RED
;
378 igep_gpio_leds
[0].gpio
= IGEP3_GPIO_LED0_RED
;
379 igep_gpio_leds
[1].gpio
= IGEP3_GPIO_LED0_GREEN
;
380 igep_gpio_leds
[2].gpio
= IGEP3_GPIO_LED1_RED
;
383 if (gpio_request_array(igep_gpio_leds
, ARRAY_SIZE(igep_gpio_leds
))) {
384 pr_warning("IGEP v2: Could not obtain leds gpios\n");
388 for (i
= 0; i
< ARRAY_SIZE(igep_gpio_leds
); i
++)
389 gpio_export(igep_gpio_leds
[i
].gpio
, 0);
393 static struct gpio igep2_twl_gpios
[] = {
394 { -EINVAL
, GPIOF_IN
, "GPIO_EHCI_NOC" },
395 { -EINVAL
, GPIOF_OUT_INIT_LOW
, "GPIO_USBH_CPEN" },
398 static int igep_twl_gpio_setup(struct device
*dev
,
399 unsigned gpio
, unsigned ngpio
)
403 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
404 mmc
[0].gpio_cd
= gpio
+ 0;
405 omap2_hsmmc_init(mmc
);
407 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
408 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
409 ret
= gpio_request_one(gpio
+ TWL4030_GPIO_MAX
+ 1, GPIOF_OUT_INIT_HIGH
,
410 "gpio-led:green:d1");
412 gpio_export(gpio
+ TWL4030_GPIO_MAX
+ 1, 0);
414 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
416 igep_gpio_leds
[3].gpio
= gpio
+ TWL4030_GPIO_MAX
+ 1;
419 if (machine_is_igep0030())
423 * REVISIT: need ehci-omap hooks for external VBUS
424 * power switch and overcurrent detect
426 igep2_twl_gpios
[0].gpio
= gpio
+ 1;
428 /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
429 igep2_twl_gpios
[1].gpio
= gpio
+ TWL4030_GPIO_MAX
;
431 ret
= gpio_request_array(igep2_twl_gpios
, ARRAY_SIZE(igep2_twl_gpios
));
433 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
438 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata
= {
439 .gpio_base
= OMAP_MAX_GPIO_LINES
,
440 .irq_base
= TWL4030_GPIO_IRQ_BASE
,
441 .irq_end
= TWL4030_GPIO_IRQ_END
,
443 .setup
= igep_twl_gpio_setup
,
446 static int igep2_enable_dvi(struct omap_dss_device
*dssdev
)
448 gpio_direction_output(IGEP2_GPIO_DVI_PUP
, 1);
453 static void igep2_disable_dvi(struct omap_dss_device
*dssdev
)
455 gpio_direction_output(IGEP2_GPIO_DVI_PUP
, 0);
458 static struct panel_generic_dpi_data dvi_panel
= {
460 .platform_enable
= igep2_enable_dvi
,
461 .platform_disable
= igep2_disable_dvi
,
464 static struct omap_dss_device igep2_dvi_device
= {
465 .type
= OMAP_DISPLAY_TYPE_DPI
,
467 .driver_name
= "generic_dpi_panel",
469 .phy
.dpi
.data_lines
= 24,
472 static struct omap_dss_device
*igep2_dss_devices
[] = {
476 static struct omap_dss_board_info igep2_dss_data
= {
477 .num_devices
= ARRAY_SIZE(igep2_dss_devices
),
478 .devices
= igep2_dss_devices
,
479 .default_device
= &igep2_dvi_device
,
482 static void __init
igep2_display_init(void)
484 int err
= gpio_request_one(IGEP2_GPIO_DVI_PUP
, GPIOF_OUT_INIT_HIGH
,
487 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
490 static struct platform_device
*igep_devices
[] __initdata
= {
494 static void __init
igep_init_early(void)
496 omap2_init_common_infrastructure();
497 omap2_init_common_devices(m65kxxxxam_sdrc_params
,
498 m65kxxxxam_sdrc_params
);
501 static int igep2_keymap
[] = {
503 KEY(0, 1, KEY_RIGHT
),
510 KEY(2, 0, KEY_ENTER
),
520 static struct matrix_keymap_data igep2_keymap_data
= {
521 .keymap
= igep2_keymap
,
522 .keymap_size
= ARRAY_SIZE(igep2_keymap
),
525 static struct twl4030_keypad_data igep2_keypad_pdata
= {
526 .keymap_data
= &igep2_keymap_data
,
532 static struct twl4030_platform_data igep_twldata
= {
533 /* platform_data for children goes here */
534 .gpio
= &igep_twl4030_gpio_pdata
,
535 .vmmc1
= &igep_vmmc1
,
539 static struct i2c_board_info __initdata igep2_i2c3_boardinfo
[] = {
541 I2C_BOARD_INFO("eeprom", 0x50),
545 static void __init
igep_i2c_init(void)
549 omap3_pmic_get_config(&igep_twldata
, TWL_COMMON_PDATA_USB
, 0);
551 if (machine_is_igep0020()) {
553 * Bus 3 is attached to the DVI port where devices like the
554 * pico DLP projector don't work reliably with 400kHz
556 ret
= omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo
,
557 ARRAY_SIZE(igep2_i2c3_boardinfo
));
559 pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret
);
561 igep_twldata
.keypad
= &igep2_keypad_pdata
;
562 /* Get common pmic data */
563 omap3_pmic_get_config(&igep_twldata
, TWL_COMMON_PDATA_AUDIO
,
564 TWL_COMMON_REGULATOR_VPLL2
);
565 igep_twldata
.vpll2
->constraints
.apply_uV
= true;
566 igep_twldata
.vpll2
->constraints
.name
= "VDVI";
569 omap3_pmic_init("twl4030", &igep_twldata
);
572 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst
= {
573 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
574 .port_mode
[1] = OMAP_USBHS_PORT_MODE_UNUSED
,
575 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
578 .reset_gpio_port
[0] = IGEP2_GPIO_USBH_NRESET
,
579 .reset_gpio_port
[1] = -EINVAL
,
580 .reset_gpio_port
[2] = -EINVAL
,
583 static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst
= {
584 .port_mode
[0] = OMAP_USBHS_PORT_MODE_UNUSED
,
585 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
586 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
589 .reset_gpio_port
[0] = -EINVAL
,
590 .reset_gpio_port
[1] = IGEP3_GPIO_USBH_NRESET
,
591 .reset_gpio_port
[2] = -EINVAL
,
594 #ifdef CONFIG_OMAP_MUX
595 static struct omap_board_mux board_mux
[] __initdata
= {
596 { .reg_offset
= OMAP_MUX_TERMINATOR
},
600 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
601 static struct gpio igep_wlan_bt_gpios
[] __initdata
= {
602 { -EINVAL
, GPIOF_OUT_INIT_HIGH
, "GPIO_WIFI_NPD" },
603 { -EINVAL
, GPIOF_OUT_INIT_HIGH
, "GPIO_WIFI_NRESET" },
604 { -EINVAL
, GPIOF_OUT_INIT_HIGH
, "GPIO_BT_NRESET" },
607 static void __init
igep_wlan_bt_init(void)
611 /* GPIO's for WLAN-BT combo depends on hardware revision */
612 if (hwrev
== IGEP2_BOARD_HWREV_B
) {
613 igep_wlan_bt_gpios
[0].gpio
= IGEP2_RB_GPIO_WIFI_NPD
;
614 igep_wlan_bt_gpios
[1].gpio
= IGEP2_RB_GPIO_WIFI_NRESET
;
615 igep_wlan_bt_gpios
[2].gpio
= IGEP2_RB_GPIO_BT_NRESET
;
616 } else if (hwrev
== IGEP2_BOARD_HWREV_C
|| machine_is_igep0030()) {
617 igep_wlan_bt_gpios
[0].gpio
= IGEP2_RC_GPIO_WIFI_NPD
;
618 igep_wlan_bt_gpios
[1].gpio
= IGEP2_RC_GPIO_WIFI_NRESET
;
619 igep_wlan_bt_gpios
[2].gpio
= IGEP2_RC_GPIO_BT_NRESET
;
623 err
= gpio_request_array(igep_wlan_bt_gpios
,
624 ARRAY_SIZE(igep_wlan_bt_gpios
));
626 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
630 gpio_export(igep_wlan_bt_gpios
[0].gpio
, 0);
631 gpio_export(igep_wlan_bt_gpios
[1].gpio
, 0);
632 gpio_export(igep_wlan_bt_gpios
[2].gpio
, 0);
634 gpio_set_value(igep_wlan_bt_gpios
[1].gpio
, 0);
636 gpio_set_value(igep_wlan_bt_gpios
[1].gpio
, 1);
640 static inline void __init
igep_wlan_bt_init(void) { }
643 static void __init
igep_init(void)
645 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
647 /* Get IGEP2 hardware revision */
648 igep2_get_revision();
649 /* Register I2C busses and drivers */
651 platform_add_devices(igep_devices
, ARRAY_SIZE(igep_devices
));
659 * WLAN-BT combo module from MuRata which has a Marvell WLAN
660 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
664 if (machine_is_igep0020()) {
665 omap_display_init(&igep2_dss_data
);
666 igep2_display_init();
667 igep2_init_smsc911x();
668 usbhs_init(&igep2_usbhs_bdata
);
670 usbhs_init(&igep3_usbhs_bdata
);
674 MACHINE_START(IGEP0020
, "IGEP v2 board")
675 .boot_params
= 0x80000100,
676 .reserve
= omap_reserve
,
677 .map_io
= omap3_map_io
,
678 .init_early
= igep_init_early
,
679 .init_irq
= omap3_init_irq
,
680 .init_machine
= igep_init
,
681 .timer
= &omap3_timer
,
684 MACHINE_START(IGEP0030
, "IGEP OMAP3 module")
685 .boot_params
= 0x80000100,
686 .reserve
= omap_reserve
,
687 .map_io
= omap3_map_io
,
688 .init_early
= igep_init_early
,
689 .init_irq
= omap3_init_irq
,
690 .init_machine
= igep_init
,
691 .timer
= &omap3_timer
,