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/stddef.h>
20 #include <linux/i2c.h>
21 #include <linux/spi/spi.h>
22 #include <linux/usb/musb.h>
23 #include <sound/tlv320aic3x.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach-types.h>
29 #include <plat/menelaus.h>
30 #include <mach/irqs.h>
31 #include <plat/mcspi.h>
32 #include <plat/onenand.h>
34 #include <plat/serial.h>
38 #define TUSB6010_ASYNC_CS 1
39 #define TUSB6010_SYNC_CS 4
40 #define TUSB6010_GPIO_INT 58
41 #define TUSB6010_GPIO_ENABLE 0
42 #define TUSB6010_DMACHAN 0x3f
44 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
46 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
47 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
48 * provide then PGOOD signal to TUSB6010 which will release it from reset.
50 static int tusb_set_power(int state)
55 gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
58 /* Wait until TUSB6010 pulls INT pin down */
60 while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
66 printk(KERN_ERR "tusb: powerup failed\n");
70 gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
77 static struct musb_hdrc_config musb_config = {
84 static struct musb_hdrc_platform_data tusb_data = {
85 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
90 .set_power = tusb_set_power,
91 .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
92 .power = 100, /* Max 100 mA VBUS for host mode */
93 .config = &musb_config,
96 static void __init n8x0_usb_init(void)
99 static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
101 /* PM companion chip power control pin */
102 ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
105 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
106 TUSB6010_GPIO_ENABLE);
111 ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
112 TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
113 TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
122 gpio_free(TUSB6010_GPIO_ENABLE);
126 static void __init n8x0_usb_init(void) {}
128 #endif /*CONFIG_USB_MUSB_TUSB6010 */
131 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
135 static struct spi_board_info n800_spi_board_info[] __initdata = {
137 .modalias = "p54spi",
140 .max_speed_hz = 48000000,
141 .controller_data = &p54spi_mcspi_config,
145 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
146 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
148 static struct mtd_partition onenand_partitions[] = {
150 .name = "bootloader",
153 .mask_flags = MTD_WRITEABLE, /* Force read-only */
157 .offset = MTDPART_OFS_APPEND,
162 .offset = MTDPART_OFS_APPEND,
167 .offset = MTDPART_OFS_APPEND,
172 .offset = MTDPART_OFS_APPEND,
173 .size = MTDPART_SIZ_FULL,
177 static struct omap_onenand_platform_data board_onenand_data[] = {
181 .parts = onenand_partitions,
182 .nr_parts = ARRAY_SIZE(onenand_partitions),
183 .flags = ONENAND_SYNC_READ,
188 #if defined(CONFIG_MENELAUS) && \
189 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
192 * On both N800 and N810, only the first of the two MMC controllers is in use.
193 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
194 * On N800, both slots are powered via Menelaus. On N810, only one of the
195 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
197 * VMMC slot 1 on both N800 and N810
198 * VDCDC3_APE and VMCS2_APE slot 2 on N800
199 * GPIO23 and GPIO9 slot 2 EMMC on N810
202 #define N8X0_SLOT_SWITCH_GPIO 96
203 #define N810_EMMC_VSD_GPIO 23
204 #define N810_EMMC_VIO_GPIO 9
206 static int slot1_cover_open;
207 static int slot2_cover_open;
208 static struct device *mmc_device;
210 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
212 #ifdef CONFIG_MMC_DEBUG
213 dev_dbg(dev, "Choose slot %d\n", slot + 1);
215 gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
219 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
220 int power_on, int vdd)
224 #ifdef CONFIG_MMC_DEBUG
225 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
226 power_on ? "on" : "off", vdd);
230 return menelaus_set_vmmc(0);
243 case MMC_VDD_165_195:
249 return menelaus_set_vmmc(mV);
252 return menelaus_set_vdcdc(3, 0);
277 case MMC_VDD_165_195:
283 return menelaus_set_vdcdc(3, mV);
288 static void n810_set_power_emmc(struct device *dev,
291 dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
294 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
296 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
299 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
301 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
306 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
309 if (machine_is_nokia_n800() || slot == 0)
310 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
312 n810_set_power_emmc(dev, power_on);
317 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
321 dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
322 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
323 BUG_ON(slot != 0 && slot != 1);
326 case MMC_BUSMODE_OPENDRAIN:
327 r = menelaus_set_mmc_opendrain(slot, 1);
329 case MMC_BUSMODE_PUSHPULL:
330 r = menelaus_set_mmc_opendrain(slot, 0);
335 if (r != 0 && printk_ratelimit())
336 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
341 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
344 BUG_ON(slot != 1 && slot != 2);
346 return slot1_cover_open;
348 return slot2_cover_open;
351 static void n8x0_mmc_callback(void *data, u8 card_mask)
353 int bit, *openp, index;
355 if (machine_is_nokia_n800()) {
357 openp = &slot2_cover_open;
361 openp = &slot1_cover_open;
370 #ifdef CONFIG_MMC_OMAP
371 omap_mmc_notify_cover_event(mmc_device, index, *openp);
373 pr_warn("MMC: notify cover event not available\n");
377 static int n8x0_mmc_late_init(struct device *dev)
384 r = menelaus_set_slot_sel(1);
388 if (machine_is_nokia_n800())
393 r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
397 n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
398 n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
400 r = menelaus_set_mmc_slot(1, 1, 0, 1);
403 r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
407 r = menelaus_get_slot_pin_states();
411 if (machine_is_nokia_n800()) {
413 openp = &slot2_cover_open;
416 openp = &slot1_cover_open;
417 slot2_cover_open = 0;
420 /* All slot pin bits seem to be inversed until first switch change */
421 if (r == 0xf || r == (0xf & ~bit))
429 r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
434 static void n8x0_mmc_shutdown(struct device *dev)
438 if (machine_is_nokia_n800())
443 menelaus_set_mmc_slot(1, 0, 0, 0);
444 menelaus_set_mmc_slot(2, 0, vs2sel, 0);
447 static void n8x0_mmc_cleanup(struct device *dev)
449 menelaus_unregister_mmc_callback();
451 gpio_free(N8X0_SLOT_SWITCH_GPIO);
453 if (machine_is_nokia_n810()) {
454 gpio_free(N810_EMMC_VSD_GPIO);
455 gpio_free(N810_EMMC_VIO_GPIO);
460 * MMC controller1 has two slots that are multiplexed via I2C.
461 * MMC controller2 is not in use.
463 static struct omap_mmc_platform_data mmc1_data = {
465 .switch_slot = n8x0_mmc_switch_slot,
466 .init = n8x0_mmc_late_init,
467 .cleanup = n8x0_mmc_cleanup,
468 .shutdown = n8x0_mmc_shutdown,
469 .max_freq = 24000000,
472 .set_power = n8x0_mmc_set_power,
473 .set_bus_mode = n8x0_mmc_set_bus_mode,
474 .get_cover_state = n8x0_mmc_get_cover_state,
475 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 |
476 MMC_VDD_32_33 | MMC_VDD_33_34,
480 .set_power = n8x0_mmc_set_power,
481 .set_bus_mode = n8x0_mmc_set_bus_mode,
482 .get_cover_state = n8x0_mmc_get_cover_state,
483 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_20_21 |
484 MMC_VDD_21_22 | MMC_VDD_22_23 |
485 MMC_VDD_23_24 | MMC_VDD_24_25 |
486 MMC_VDD_27_28 | MMC_VDD_28_29 |
487 MMC_VDD_29_30 | MMC_VDD_30_31 |
488 MMC_VDD_32_33 | MMC_VDD_33_34,
493 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
495 static struct gpio n810_emmc_gpios[] __initdata = {
496 { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" },
497 { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" },
500 static void __init n8x0_mmc_init(void)
504 if (machine_is_nokia_n810()) {
505 mmc1_data.slots[0].name = "external";
508 * Some Samsung Movinand chips do not like open-ended
509 * multi-block reads and fall to braind-dead state
510 * while doing so. Reducing the number of blocks in
511 * the transfer or delays in clock disable do not help
513 mmc1_data.slots[1].name = "internal";
514 mmc1_data.slots[1].ban_openended = 1;
517 err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
522 if (machine_is_nokia_n810()) {
523 err = gpio_request_array(n810_emmc_gpios,
524 ARRAY_SIZE(n810_emmc_gpios));
526 gpio_free(N8X0_SLOT_SWITCH_GPIO);
531 mmc_data[0] = &mmc1_data;
532 omap242x_init_mmc(mmc_data);
536 void __init n8x0_mmc_init(void)
539 #endif /* CONFIG_MMC_OMAP */
541 #ifdef CONFIG_MENELAUS
543 static int n8x0_auto_sleep_regulators(void)
548 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
549 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
550 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
551 | EN_VC_SLEEP | EN_DC2_SLEEP;
553 ret = menelaus_set_regulator_sleep(1, val);
555 printk(KERN_ERR "Could not set regulators to sleep on "
556 "menelaus: %u\n", ret);
562 static int n8x0_auto_voltage_scale(void)
566 ret = menelaus_set_vcore_hw(1400, 1050);
568 printk(KERN_ERR "Could not set VCORE voltage on "
569 "menelaus: %u\n", ret);
575 static int n8x0_menelaus_late_init(struct device *dev)
579 ret = n8x0_auto_voltage_scale();
582 ret = n8x0_auto_sleep_regulators();
589 static int n8x0_menelaus_late_init(struct device *dev)
595 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
596 .late_init = n8x0_menelaus_late_init,
599 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
601 I2C_BOARD_INFO("menelaus", 0x72),
602 .irq = INT_24XX_SYS_NIRQ,
603 .platform_data = &n8x0_menelaus_platform_data,
607 static struct aic3x_pdata n810_aic33_data __initdata = {
611 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
613 I2C_BOARD_INFO("tlv320aic3x", 0x18),
614 .platform_data = &n810_aic33_data,
618 #ifdef CONFIG_OMAP_MUX
619 static struct omap_board_mux board_mux[] __initdata = {
620 /* I2S codec port pins for McBSP block */
621 OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
622 OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
623 OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
624 OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
625 { .reg_offset = OMAP_MUX_TERMINATOR },
628 static struct omap_device_pad serial2_pads[] __initdata = {
630 .name = "uart3_rx_irrx.uart3_rx_irrx",
631 .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
632 .enable = OMAP_MUX_MODE0,
633 .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */
637 static inline void board_serial_init(void)
639 struct omap_board_data bdata;
646 omap_serial_init_port(&bdata, NULL);
649 omap_serial_init_port(&bdata, NULL);
652 bdata.pads = serial2_pads;
653 bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
654 omap_serial_init_port(&bdata, NULL);
659 static inline void board_serial_init(void)
666 static void __init n8x0_init_machine(void)
668 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
669 /* FIXME: add n810 spi devices */
670 spi_register_board_info(n800_spi_board_info,
671 ARRAY_SIZE(n800_spi_board_info));
672 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
673 ARRAY_SIZE(n8x0_i2c_board_info_1));
674 omap_register_i2c_bus(2, 400, NULL, 0);
675 if (machine_is_nokia_n810())
676 i2c_register_board_info(2, n810_i2c_board_info_2,
677 ARRAY_SIZE(n810_i2c_board_info_2));
679 omap_sdrc_init(NULL, NULL);
680 gpmc_onenand_init(board_onenand_data);
685 MACHINE_START(NOKIA_N800, "Nokia N800")
686 .atag_offset = 0x100,
687 .reserve = omap_reserve,
688 .map_io = omap242x_map_io,
689 .init_early = omap2420_init_early,
690 .init_irq = omap2_init_irq,
691 .handle_irq = omap2_intc_handle_irq,
692 .init_machine = n8x0_init_machine,
693 .init_late = omap2420_init_late,
694 .timer = &omap2_timer,
695 .restart = omap_prcm_restart,
698 MACHINE_START(NOKIA_N810, "Nokia N810")
699 .atag_offset = 0x100,
700 .reserve = omap_reserve,
701 .map_io = omap242x_map_io,
702 .init_early = omap2420_init_early,
703 .init_irq = omap2_init_irq,
704 .handle_irq = omap2_intc_handle_irq,
705 .init_machine = n8x0_init_machine,
706 .init_late = omap2420_init_late,
707 .timer = &omap2_timer,
708 .restart = omap_prcm_restart,
711 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
712 .atag_offset = 0x100,
713 .reserve = omap_reserve,
714 .map_io = omap242x_map_io,
715 .init_early = omap2420_init_early,
716 .init_irq = omap2_init_irq,
717 .handle_irq = omap2_intc_handle_irq,
718 .init_machine = n8x0_init_machine,
719 .init_late = omap2420_init_late,
720 .timer = &omap2_timer,
721 .restart = omap_prcm_restart,