2 * linux/arch/arm/mach-omap2/board-n8x0.c
4 * Copyright (C) 2005-2009 Nokia Corporation
5 * Author: Juha Yrjola <juha.yrjola@nokia.com>
7 * Modified from mach-omap2/board-generic.c
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #include <linux/clk.h>
15 #include <linux/delay.h>
16 #include <linux/gpio.h>
17 #include <linux/init.h>
19 #include <linux/irq.h>
20 #include <linux/stddef.h>
21 #include <linux/i2c.h>
22 #include <linux/spi/spi.h>
23 #include <linux/usb/musb.h>
24 #include <linux/platform_data/i2c-cbus-gpio.h>
25 #include <linux/platform_data/spi-omap2-mcspi.h>
26 #include <linux/platform_data/mtd-onenand-omap2.h>
27 #include <linux/mfd/menelaus.h>
28 #include <sound/tlv320aic3x.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach-types.h>
37 #include "gpmc-onenand.h"
39 #define TUSB6010_ASYNC_CS 1
40 #define TUSB6010_SYNC_CS 4
41 #define TUSB6010_GPIO_INT 58
42 #define TUSB6010_GPIO_ENABLE 0
43 #define TUSB6010_DMACHAN 0x3f
45 #if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
46 static struct i2c_cbus_platform_data n8x0_cbus_data = {
52 static struct platform_device n8x0_cbus_device = {
53 .name = "i2c-cbus-gpio",
56 .platform_data = &n8x0_cbus_data,
60 static struct i2c_board_info n8x0_i2c_board_info_3[] __initdata = {
62 I2C_BOARD_INFO("retu-mfd", 0x01),
66 static void __init n8x0_cbus_init(void)
68 const int retu_irq_gpio = 108;
70 if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
72 irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
73 n8x0_i2c_board_info_3[0].irq = gpio_to_irq(retu_irq_gpio);
74 i2c_register_board_info(3, n8x0_i2c_board_info_3,
75 ARRAY_SIZE(n8x0_i2c_board_info_3));
76 platform_device_register(&n8x0_cbus_device);
78 #else /* CONFIG_I2C_CBUS_GPIO */
79 static void __init n8x0_cbus_init(void)
82 #endif /* CONFIG_I2C_CBUS_GPIO */
84 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
86 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
87 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
88 * provide then PGOOD signal to TUSB6010 which will release it from reset.
90 static int tusb_set_power(int state)
95 gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
98 /* Wait until TUSB6010 pulls INT pin down */
100 while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
106 printk(KERN_ERR "tusb: powerup failed\n");
110 gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
117 static struct musb_hdrc_config musb_config = {
124 static struct musb_hdrc_platform_data tusb_data = {
125 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
130 .set_power = tusb_set_power,
131 .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
132 .power = 100, /* Max 100 mA VBUS for host mode */
133 .config = &musb_config,
136 static void __init n8x0_usb_init(void)
139 static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
141 /* PM companion chip power control pin */
142 ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
145 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
146 TUSB6010_GPIO_ENABLE);
151 ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
152 TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
153 TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
162 gpio_free(TUSB6010_GPIO_ENABLE);
166 static void __init n8x0_usb_init(void) {}
168 #endif /*CONFIG_USB_MUSB_TUSB6010 */
171 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
175 static struct spi_board_info n800_spi_board_info[] __initdata = {
177 .modalias = "p54spi",
180 .max_speed_hz = 48000000,
181 .controller_data = &p54spi_mcspi_config,
185 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
186 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
188 static struct mtd_partition onenand_partitions[] = {
190 .name = "bootloader",
193 .mask_flags = MTD_WRITEABLE, /* Force read-only */
197 .offset = MTDPART_OFS_APPEND,
202 .offset = MTDPART_OFS_APPEND,
207 .offset = MTDPART_OFS_APPEND,
212 .offset = MTDPART_OFS_APPEND,
213 .size = MTDPART_SIZ_FULL,
217 static struct omap_onenand_platform_data board_onenand_data[] = {
221 .parts = onenand_partitions,
222 .nr_parts = ARRAY_SIZE(onenand_partitions),
223 .flags = ONENAND_SYNC_READ,
228 #if defined(CONFIG_MENELAUS) && \
229 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
232 * On both N800 and N810, only the first of the two MMC controllers is in use.
233 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
234 * On N800, both slots are powered via Menelaus. On N810, only one of the
235 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
237 * VMMC slot 1 on both N800 and N810
238 * VDCDC3_APE and VMCS2_APE slot 2 on N800
239 * GPIO23 and GPIO9 slot 2 EMMC on N810
242 #define N8X0_SLOT_SWITCH_GPIO 96
243 #define N810_EMMC_VSD_GPIO 23
244 #define N810_EMMC_VIO_GPIO 9
246 static int slot1_cover_open;
247 static int slot2_cover_open;
248 static struct device *mmc_device;
250 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
252 #ifdef CONFIG_MMC_DEBUG
253 dev_dbg(dev, "Choose slot %d\n", slot + 1);
255 gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
259 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
260 int power_on, int vdd)
264 #ifdef CONFIG_MMC_DEBUG
265 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
266 power_on ? "on" : "off", vdd);
270 return menelaus_set_vmmc(0);
283 case MMC_VDD_165_195:
289 return menelaus_set_vmmc(mV);
292 return menelaus_set_vdcdc(3, 0);
317 case MMC_VDD_165_195:
323 return menelaus_set_vdcdc(3, mV);
328 static void n810_set_power_emmc(struct device *dev,
331 dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
334 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
336 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
339 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
341 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
346 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
349 if (machine_is_nokia_n800() || slot == 0)
350 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
352 n810_set_power_emmc(dev, power_on);
357 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
361 dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
362 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
363 BUG_ON(slot != 0 && slot != 1);
366 case MMC_BUSMODE_OPENDRAIN:
367 r = menelaus_set_mmc_opendrain(slot, 1);
369 case MMC_BUSMODE_PUSHPULL:
370 r = menelaus_set_mmc_opendrain(slot, 0);
375 if (r != 0 && printk_ratelimit())
376 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
381 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
384 BUG_ON(slot != 1 && slot != 2);
386 return slot1_cover_open;
388 return slot2_cover_open;
391 static void n8x0_mmc_callback(void *data, u8 card_mask)
393 int bit, *openp, index;
395 if (machine_is_nokia_n800()) {
397 openp = &slot2_cover_open;
401 openp = &slot1_cover_open;
410 #ifdef CONFIG_MMC_OMAP
411 omap_mmc_notify_cover_event(mmc_device, index, *openp);
413 pr_warn("MMC: notify cover event not available\n");
417 static int n8x0_mmc_late_init(struct device *dev)
424 r = menelaus_set_slot_sel(1);
428 if (machine_is_nokia_n800())
433 r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
437 n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
438 n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
440 r = menelaus_set_mmc_slot(1, 1, 0, 1);
443 r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
447 r = menelaus_get_slot_pin_states();
451 if (machine_is_nokia_n800()) {
453 openp = &slot2_cover_open;
456 openp = &slot1_cover_open;
457 slot2_cover_open = 0;
460 /* All slot pin bits seem to be inversed until first switch change */
461 if (r == 0xf || r == (0xf & ~bit))
469 r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
474 static void n8x0_mmc_shutdown(struct device *dev)
478 if (machine_is_nokia_n800())
483 menelaus_set_mmc_slot(1, 0, 0, 0);
484 menelaus_set_mmc_slot(2, 0, vs2sel, 0);
487 static void n8x0_mmc_cleanup(struct device *dev)
489 menelaus_unregister_mmc_callback();
491 gpio_free(N8X0_SLOT_SWITCH_GPIO);
493 if (machine_is_nokia_n810()) {
494 gpio_free(N810_EMMC_VSD_GPIO);
495 gpio_free(N810_EMMC_VIO_GPIO);
500 * MMC controller1 has two slots that are multiplexed via I2C.
501 * MMC controller2 is not in use.
503 static struct omap_mmc_platform_data mmc1_data = {
505 .switch_slot = n8x0_mmc_switch_slot,
506 .init = n8x0_mmc_late_init,
507 .cleanup = n8x0_mmc_cleanup,
508 .shutdown = n8x0_mmc_shutdown,
509 .max_freq = 24000000,
512 .set_power = n8x0_mmc_set_power,
513 .set_bus_mode = n8x0_mmc_set_bus_mode,
514 .get_cover_state = n8x0_mmc_get_cover_state,
515 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 |
516 MMC_VDD_32_33 | MMC_VDD_33_34,
520 .set_power = n8x0_mmc_set_power,
521 .set_bus_mode = n8x0_mmc_set_bus_mode,
522 .get_cover_state = n8x0_mmc_get_cover_state,
523 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_20_21 |
524 MMC_VDD_21_22 | MMC_VDD_22_23 |
525 MMC_VDD_23_24 | MMC_VDD_24_25 |
526 MMC_VDD_27_28 | MMC_VDD_28_29 |
527 MMC_VDD_29_30 | MMC_VDD_30_31 |
528 MMC_VDD_32_33 | MMC_VDD_33_34,
533 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
535 static struct gpio n810_emmc_gpios[] __initdata = {
536 { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" },
537 { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" },
540 static void __init n8x0_mmc_init(void)
544 if (machine_is_nokia_n810()) {
545 mmc1_data.slots[0].name = "external";
548 * Some Samsung Movinand chips do not like open-ended
549 * multi-block reads and fall to braind-dead state
550 * while doing so. Reducing the number of blocks in
551 * the transfer or delays in clock disable do not help
553 mmc1_data.slots[1].name = "internal";
554 mmc1_data.slots[1].ban_openended = 1;
557 err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
562 if (machine_is_nokia_n810()) {
563 err = gpio_request_array(n810_emmc_gpios,
564 ARRAY_SIZE(n810_emmc_gpios));
566 gpio_free(N8X0_SLOT_SWITCH_GPIO);
571 mmc_data[0] = &mmc1_data;
572 omap242x_init_mmc(mmc_data);
576 void __init n8x0_mmc_init(void)
579 #endif /* CONFIG_MMC_OMAP */
581 #ifdef CONFIG_MENELAUS
583 static int n8x0_auto_sleep_regulators(void)
588 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
589 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
590 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
591 | EN_VC_SLEEP | EN_DC2_SLEEP;
593 ret = menelaus_set_regulator_sleep(1, val);
595 pr_err("Could not set regulators to sleep on menelaus: %u\n",
602 static int n8x0_auto_voltage_scale(void)
606 ret = menelaus_set_vcore_hw(1400, 1050);
608 pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
614 static int n8x0_menelaus_late_init(struct device *dev)
618 ret = n8x0_auto_voltage_scale();
621 ret = n8x0_auto_sleep_regulators();
628 static int n8x0_menelaus_late_init(struct device *dev)
634 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
635 .late_init = n8x0_menelaus_late_init,
638 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
640 I2C_BOARD_INFO("menelaus", 0x72),
641 .irq = 7 + OMAP_INTC_START,
642 .platform_data = &n8x0_menelaus_platform_data,
646 static struct aic3x_pdata n810_aic33_data __initdata = {
650 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
652 I2C_BOARD_INFO("tlv320aic3x", 0x18),
653 .platform_data = &n810_aic33_data,
657 #ifdef CONFIG_OMAP_MUX
658 static struct omap_board_mux board_mux[] __initdata = {
659 /* I2S codec port pins for McBSP block */
660 OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
661 OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
662 OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
663 OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
664 { .reg_offset = OMAP_MUX_TERMINATOR },
667 static struct omap_device_pad serial2_pads[] __initdata = {
669 .name = "uart3_rx_irrx.uart3_rx_irrx",
670 .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
671 .enable = OMAP_MUX_MODE0,
672 .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */
676 static inline void board_serial_init(void)
678 struct omap_board_data bdata;
685 omap_serial_init_port(&bdata, NULL);
688 omap_serial_init_port(&bdata, NULL);
691 bdata.pads = serial2_pads;
692 bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
693 omap_serial_init_port(&bdata, NULL);
698 static inline void board_serial_init(void)
705 static void __init n8x0_init_machine(void)
707 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
708 /* FIXME: add n810 spi devices */
709 spi_register_board_info(n800_spi_board_info,
710 ARRAY_SIZE(n800_spi_board_info));
711 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
712 ARRAY_SIZE(n8x0_i2c_board_info_1));
713 omap_register_i2c_bus(2, 400, NULL, 0);
714 if (machine_is_nokia_n810())
715 i2c_register_board_info(2, n810_i2c_board_info_2,
716 ARRAY_SIZE(n810_i2c_board_info_2));
718 omap_sdrc_init(NULL, NULL);
719 gpmc_onenand_init(board_onenand_data);
725 MACHINE_START(NOKIA_N800, "Nokia N800")
726 .atag_offset = 0x100,
727 .reserve = omap_reserve,
728 .map_io = omap242x_map_io,
729 .init_early = omap2420_init_early,
730 .init_irq = omap2_init_irq,
731 .handle_irq = omap2_intc_handle_irq,
732 .init_machine = n8x0_init_machine,
733 .init_late = omap2420_init_late,
734 .timer = &omap2_timer,
735 .restart = omap2xxx_restart,
738 MACHINE_START(NOKIA_N810, "Nokia N810")
739 .atag_offset = 0x100,
740 .reserve = omap_reserve,
741 .map_io = omap242x_map_io,
742 .init_early = omap2420_init_early,
743 .init_irq = omap2_init_irq,
744 .handle_irq = omap2_intc_handle_irq,
745 .init_machine = n8x0_init_machine,
746 .init_late = omap2420_init_late,
747 .timer = &omap2_timer,
748 .restart = omap2xxx_restart,
751 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
752 .atag_offset = 0x100,
753 .reserve = omap_reserve,
754 .map_io = omap242x_map_io,
755 .init_early = omap2420_init_early,
756 .init_irq = omap2_init_irq,
757 .handle_irq = omap2_intc_handle_irq,
758 .init_machine = n8x0_init_machine,
759 .init_late = omap2420_init_late,
760 .timer = &omap2_timer,
761 .restart = omap2xxx_restart,