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
,