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 <linux/platform_data/spi-omap2-mcspi.h>
24 #include <linux/platform_data/mtd-onenand-omap2.h>
25 #include <sound/tlv320aic3x.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach-types.h>
31 #include <plat/menelaus.h>
36 #define TUSB6010_ASYNC_CS 1
37 #define TUSB6010_SYNC_CS 4
38 #define TUSB6010_GPIO_INT 58
39 #define TUSB6010_GPIO_ENABLE 0
40 #define TUSB6010_DMACHAN 0x3f
42 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
44 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
45 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
46 * provide then PGOOD signal to TUSB6010 which will release it from reset.
48 static int tusb_set_power(int state)
53 gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
56 /* Wait until TUSB6010 pulls INT pin down */
58 while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
64 printk(KERN_ERR "tusb: powerup failed\n");
68 gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
75 static struct musb_hdrc_config musb_config = {
82 static struct musb_hdrc_platform_data tusb_data = {
83 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
88 .set_power = tusb_set_power,
89 .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
90 .power = 100, /* Max 100 mA VBUS for host mode */
91 .config = &musb_config,
94 static void __init n8x0_usb_init(void)
97 static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
99 /* PM companion chip power control pin */
100 ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
103 printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
104 TUSB6010_GPIO_ENABLE);
109 ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
110 TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
111 TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
120 gpio_free(TUSB6010_GPIO_ENABLE);
124 static void __init n8x0_usb_init(void) {}
126 #endif /*CONFIG_USB_MUSB_TUSB6010 */
129 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
133 static struct spi_board_info n800_spi_board_info[] __initdata = {
135 .modalias = "p54spi",
138 .max_speed_hz = 48000000,
139 .controller_data = &p54spi_mcspi_config,
143 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
144 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
146 static struct mtd_partition onenand_partitions[] = {
148 .name = "bootloader",
151 .mask_flags = MTD_WRITEABLE, /* Force read-only */
155 .offset = MTDPART_OFS_APPEND,
160 .offset = MTDPART_OFS_APPEND,
165 .offset = MTDPART_OFS_APPEND,
170 .offset = MTDPART_OFS_APPEND,
171 .size = MTDPART_SIZ_FULL,
175 static struct omap_onenand_platform_data board_onenand_data[] = {
179 .parts = onenand_partitions,
180 .nr_parts = ARRAY_SIZE(onenand_partitions),
181 .flags = ONENAND_SYNC_READ,
186 #if defined(CONFIG_MENELAUS) && \
187 (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
190 * On both N800 and N810, only the first of the two MMC controllers is in use.
191 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
192 * On N800, both slots are powered via Menelaus. On N810, only one of the
193 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
195 * VMMC slot 1 on both N800 and N810
196 * VDCDC3_APE and VMCS2_APE slot 2 on N800
197 * GPIO23 and GPIO9 slot 2 EMMC on N810
200 #define N8X0_SLOT_SWITCH_GPIO 96
201 #define N810_EMMC_VSD_GPIO 23
202 #define N810_EMMC_VIO_GPIO 9
204 static int slot1_cover_open;
205 static int slot2_cover_open;
206 static struct device *mmc_device;
208 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
210 #ifdef CONFIG_MMC_DEBUG
211 dev_dbg(dev, "Choose slot %d\n", slot + 1);
213 gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
217 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
218 int power_on, int vdd)
222 #ifdef CONFIG_MMC_DEBUG
223 dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
224 power_on ? "on" : "off", vdd);
228 return menelaus_set_vmmc(0);
241 case MMC_VDD_165_195:
247 return menelaus_set_vmmc(mV);
250 return menelaus_set_vdcdc(3, 0);
275 case MMC_VDD_165_195:
281 return menelaus_set_vdcdc(3, mV);
286 static void n810_set_power_emmc(struct device *dev,
289 dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
292 gpio_set_value(N810_EMMC_VSD_GPIO, 1);
294 gpio_set_value(N810_EMMC_VIO_GPIO, 1);
297 gpio_set_value(N810_EMMC_VIO_GPIO, 0);
299 gpio_set_value(N810_EMMC_VSD_GPIO, 0);
304 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
307 if (machine_is_nokia_n800() || slot == 0)
308 return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
310 n810_set_power_emmc(dev, power_on);
315 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
319 dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
320 bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
321 BUG_ON(slot != 0 && slot != 1);
324 case MMC_BUSMODE_OPENDRAIN:
325 r = menelaus_set_mmc_opendrain(slot, 1);
327 case MMC_BUSMODE_PUSHPULL:
328 r = menelaus_set_mmc_opendrain(slot, 0);
333 if (r != 0 && printk_ratelimit())
334 dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
339 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
342 BUG_ON(slot != 1 && slot != 2);
344 return slot1_cover_open;
346 return slot2_cover_open;
349 static void n8x0_mmc_callback(void *data, u8 card_mask)
351 int bit, *openp, index;
353 if (machine_is_nokia_n800()) {
355 openp = &slot2_cover_open;
359 openp = &slot1_cover_open;
368 #ifdef CONFIG_MMC_OMAP
369 omap_mmc_notify_cover_event(mmc_device, index, *openp);
371 pr_warn("MMC: notify cover event not available\n");
375 static int n8x0_mmc_late_init(struct device *dev)
382 r = menelaus_set_slot_sel(1);
386 if (machine_is_nokia_n800())
391 r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
395 n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
396 n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
398 r = menelaus_set_mmc_slot(1, 1, 0, 1);
401 r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
405 r = menelaus_get_slot_pin_states();
409 if (machine_is_nokia_n800()) {
411 openp = &slot2_cover_open;
414 openp = &slot1_cover_open;
415 slot2_cover_open = 0;
418 /* All slot pin bits seem to be inversed until first switch change */
419 if (r == 0xf || r == (0xf & ~bit))
427 r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
432 static void n8x0_mmc_shutdown(struct device *dev)
436 if (machine_is_nokia_n800())
441 menelaus_set_mmc_slot(1, 0, 0, 0);
442 menelaus_set_mmc_slot(2, 0, vs2sel, 0);
445 static void n8x0_mmc_cleanup(struct device *dev)
447 menelaus_unregister_mmc_callback();
449 gpio_free(N8X0_SLOT_SWITCH_GPIO);
451 if (machine_is_nokia_n810()) {
452 gpio_free(N810_EMMC_VSD_GPIO);
453 gpio_free(N810_EMMC_VIO_GPIO);
458 * MMC controller1 has two slots that are multiplexed via I2C.
459 * MMC controller2 is not in use.
461 static struct omap_mmc_platform_data mmc1_data = {
463 .switch_slot = n8x0_mmc_switch_slot,
464 .init = n8x0_mmc_late_init,
465 .cleanup = n8x0_mmc_cleanup,
466 .shutdown = n8x0_mmc_shutdown,
467 .max_freq = 24000000,
470 .set_power = n8x0_mmc_set_power,
471 .set_bus_mode = n8x0_mmc_set_bus_mode,
472 .get_cover_state = n8x0_mmc_get_cover_state,
473 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 |
474 MMC_VDD_32_33 | MMC_VDD_33_34,
478 .set_power = n8x0_mmc_set_power,
479 .set_bus_mode = n8x0_mmc_set_bus_mode,
480 .get_cover_state = n8x0_mmc_get_cover_state,
481 .ocr_mask = MMC_VDD_165_195 | MMC_VDD_20_21 |
482 MMC_VDD_21_22 | MMC_VDD_22_23 |
483 MMC_VDD_23_24 | MMC_VDD_24_25 |
484 MMC_VDD_27_28 | MMC_VDD_28_29 |
485 MMC_VDD_29_30 | MMC_VDD_30_31 |
486 MMC_VDD_32_33 | MMC_VDD_33_34,
491 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
493 static struct gpio n810_emmc_gpios[] __initdata = {
494 { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" },
495 { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" },
498 static void __init n8x0_mmc_init(void)
502 if (machine_is_nokia_n810()) {
503 mmc1_data.slots[0].name = "external";
506 * Some Samsung Movinand chips do not like open-ended
507 * multi-block reads and fall to braind-dead state
508 * while doing so. Reducing the number of blocks in
509 * the transfer or delays in clock disable do not help
511 mmc1_data.slots[1].name = "internal";
512 mmc1_data.slots[1].ban_openended = 1;
515 err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
520 if (machine_is_nokia_n810()) {
521 err = gpio_request_array(n810_emmc_gpios,
522 ARRAY_SIZE(n810_emmc_gpios));
524 gpio_free(N8X0_SLOT_SWITCH_GPIO);
529 mmc_data[0] = &mmc1_data;
530 omap242x_init_mmc(mmc_data);
534 void __init n8x0_mmc_init(void)
537 #endif /* CONFIG_MMC_OMAP */
539 #ifdef CONFIG_MENELAUS
541 static int n8x0_auto_sleep_regulators(void)
546 val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
547 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
548 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
549 | EN_VC_SLEEP | EN_DC2_SLEEP;
551 ret = menelaus_set_regulator_sleep(1, val);
553 pr_err("Could not set regulators to sleep on menelaus: %u\n",
560 static int n8x0_auto_voltage_scale(void)
564 ret = menelaus_set_vcore_hw(1400, 1050);
566 pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
572 static int n8x0_menelaus_late_init(struct device *dev)
576 ret = n8x0_auto_voltage_scale();
579 ret = n8x0_auto_sleep_regulators();
586 static int n8x0_menelaus_late_init(struct device *dev)
592 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
593 .late_init = n8x0_menelaus_late_init,
596 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
598 I2C_BOARD_INFO("menelaus", 0x72),
599 .irq = 7 + OMAP_INTC_START,
600 .platform_data = &n8x0_menelaus_platform_data,
604 static struct aic3x_pdata n810_aic33_data __initdata = {
608 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
610 I2C_BOARD_INFO("tlv320aic3x", 0x18),
611 .platform_data = &n810_aic33_data,
615 #ifdef CONFIG_OMAP_MUX
616 static struct omap_board_mux board_mux[] __initdata = {
617 /* I2S codec port pins for McBSP block */
618 OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
619 OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
620 OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
621 OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
622 { .reg_offset = OMAP_MUX_TERMINATOR },
625 static struct omap_device_pad serial2_pads[] __initdata = {
627 .name = "uart3_rx_irrx.uart3_rx_irrx",
628 .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
629 .enable = OMAP_MUX_MODE0,
630 .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */
634 static inline void board_serial_init(void)
636 struct omap_board_data bdata;
643 omap_serial_init_port(&bdata, NULL);
646 omap_serial_init_port(&bdata, NULL);
649 bdata.pads = serial2_pads;
650 bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
651 omap_serial_init_port(&bdata, NULL);
656 static inline void board_serial_init(void)
663 static void __init n8x0_init_machine(void)
665 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
666 /* FIXME: add n810 spi devices */
667 spi_register_board_info(n800_spi_board_info,
668 ARRAY_SIZE(n800_spi_board_info));
669 omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
670 ARRAY_SIZE(n8x0_i2c_board_info_1));
671 omap_register_i2c_bus(2, 400, NULL, 0);
672 if (machine_is_nokia_n810())
673 i2c_register_board_info(2, n810_i2c_board_info_2,
674 ARRAY_SIZE(n810_i2c_board_info_2));
676 omap_sdrc_init(NULL, NULL);
677 gpmc_onenand_init(board_onenand_data);
682 MACHINE_START(NOKIA_N800, "Nokia N800")
683 .atag_offset = 0x100,
684 .reserve = omap_reserve,
685 .map_io = omap242x_map_io,
686 .init_early = omap2420_init_early,
687 .init_irq = omap2_init_irq,
688 .handle_irq = omap2_intc_handle_irq,
689 .init_machine = n8x0_init_machine,
690 .init_late = omap2420_init_late,
691 .timer = &omap2_timer,
692 .restart = omap_prcm_restart,
695 MACHINE_START(NOKIA_N810, "Nokia N810")
696 .atag_offset = 0x100,
697 .reserve = omap_reserve,
698 .map_io = omap242x_map_io,
699 .init_early = omap2420_init_early,
700 .init_irq = omap2_init_irq,
701 .handle_irq = omap2_intc_handle_irq,
702 .init_machine = n8x0_init_machine,
703 .init_late = omap2420_init_late,
704 .timer = &omap2_timer,
705 .restart = omap_prcm_restart,
708 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
709 .atag_offset = 0x100,
710 .reserve = omap_reserve,
711 .map_io = omap242x_map_io,
712 .init_early = omap2420_init_early,
713 .init_irq = omap2_init_irq,
714 .handle_irq = omap2_intc_handle_irq,
715 .init_machine = n8x0_init_machine,
716 .init_late = omap2420_init_late,
717 .timer = &omap2_timer,
718 .restart = omap_prcm_restart,