[deliverable/linux.git] / arch / arm / mach-omap2 / board-n8x0.c

/*
 * linux/arch/arm/mach-omap2/board-n8x0.c
 *
 * Copyright (C) 2005-2009 Nokia Corporation
 * Author: Juha Yrjola <juha.yrjola@nokia.com>
 *
 * Modified from mach-omap2/board-generic.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/stddef.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/usb/musb.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/platform_data/mtd-onenand-omap2.h>
#include <linux/mfd/menelaus.h>
#include <sound/tlv320aic3x.h>

#include <asm/mach/arch.h>
#include <asm/mach-types.h>

#include "common.h"
#include "mmc.h"
#include "soc.h"
#include "gpmc-onenand.h"

#define TUSB6010_ASYNC_CS	1
#define TUSB6010_SYNC_CS	4
#define TUSB6010_GPIO_INT	58
#define TUSB6010_GPIO_ENABLE	0
#define TUSB6010_DMACHAN	0x3f

#define NOKIA_N810_WIMAX	(1 << 2)
#define NOKIA_N810		(1 << 1)
#define NOKIA_N800		(1 << 0)

static u32 board_caps;

#define board_is_n800()		(board_caps & NOKIA_N800)
#define board_is_n810()		(board_caps & NOKIA_N810)
#define board_is_n810_wimax()	(board_caps & NOKIA_N810_WIMAX)

static void board_check_revision(void)
{
	if (of_have_populated_dt()) {
		if (of_machine_is_compatible("nokia,n800"))
			board_caps = NOKIA_N800;
		else if (of_machine_is_compatible("nokia,n810"))
			board_caps = NOKIA_N810;
		else if (of_machine_is_compatible("nokia,n810-wimax"))
			board_caps = NOKIA_N810_WIMAX;
	}

	if (!board_caps)
		pr_err("Unknown board\n");
}

#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
/*
 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
 * provide then PGOOD signal to TUSB6010 which will release it from reset.
 */
static int tusb_set_power(int state)
{
	int i, retval = 0;

	if (state) {
		gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
		msleep(1);

		/* Wait until TUSB6010 pulls INT pin down */
		i = 100;
		while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
			msleep(1);
			i--;
		}

		if (!i) {
			printk(KERN_ERR "tusb: powerup failed\n");
			retval = -ENODEV;
		}
	} else {
		gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
		msleep(10);
	}

	return retval;
}

static struct musb_hdrc_config musb_config = {
	.multipoint	= 1,
	.dyn_fifo	= 1,
	.num_eps	= 16,
	.ram_bits	= 12,
};

static struct musb_hdrc_platform_data tusb_data = {
	.mode		= MUSB_OTG,
	.set_power	= tusb_set_power,
	.min_power	= 25,	/* x2 = 50 mA drawn from VBUS as peripheral */
	.power		= 100,	/* Max 100 mA VBUS for host mode */
	.config		= &musb_config,
};

static void __init n8x0_usb_init(void)
{
	int ret = 0;
	static char	announce[] __initdata = KERN_INFO "TUSB 6010\n";

	/* PM companion chip power control pin */
	ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
			       "TUSB6010 enable");
	if (ret != 0) {
		printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
		       TUSB6010_GPIO_ENABLE);
		return;
	}
	tusb_set_power(0);

	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
					TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
					TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
	if (ret != 0)
		goto err;

	printk(announce);

	return;

err:
	gpio_free(TUSB6010_GPIO_ENABLE);
}
#else

static void __init n8x0_usb_init(void) {}

#endif /*CONFIG_USB_MUSB_TUSB6010 */


static struct omap2_mcspi_device_config p54spi_mcspi_config = {
	.turbo_mode	= 0,
};

static struct spi_board_info n800_spi_board_info[] __initdata = {
	{
		.modalias	= "p54spi",
		.bus_num	= 2,
		.chip_select	= 0,
		.max_speed_hz   = 48000000,
		.controller_data = &p54spi_mcspi_config,
	},
};

#if defined(CONFIG_MENELAUS) &&						\
	(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))

/*
 * On both N800 and N810, only the first of the two MMC controllers is in use.
 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
 * On N800, both slots are powered via Menelaus. On N810, only one of the
 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
 *
 * VMMC				slot 1 on both N800 and N810
 * VDCDC3_APE and VMCS2_APE	slot 2 on N800
 * GPIO23 and GPIO9		slot 2 EMMC on N810
 *
 */
#define N8X0_SLOT_SWITCH_GPIO	96
#define N810_EMMC_VSD_GPIO	23
#define N810_EMMC_VIO_GPIO	9

static int slot1_cover_open;
static int slot2_cover_open;
static struct device *mmc_device;

static int n8x0_mmc_switch_slot(struct device *dev, int slot)
{
#ifdef CONFIG_MMC_DEBUG
	dev_dbg(dev, "Choose slot %d\n", slot + 1);
#endif
	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
	return 0;
}

static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
					int power_on, int vdd)
{
	int mV;

#ifdef CONFIG_MMC_DEBUG
	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
		power_on ? "on" : "off", vdd);
#endif
	if (slot == 0) {
		if (!power_on)
			return menelaus_set_vmmc(0);
		switch (1 << vdd) {
		case MMC_VDD_33_34:
		case MMC_VDD_32_33:
		case MMC_VDD_31_32:
			mV = 3100;
			break;
		case MMC_VDD_30_31:
			mV = 3000;
			break;
		case MMC_VDD_28_29:
			mV = 2800;
			break;
		case MMC_VDD_165_195:
			mV = 1850;
			break;
		default:
			BUG();
		}
		return menelaus_set_vmmc(mV);
	} else {
		if (!power_on)
			return menelaus_set_vdcdc(3, 0);
		switch (1 << vdd) {
		case MMC_VDD_33_34:
		case MMC_VDD_32_33:
			mV = 3300;
			break;
		case MMC_VDD_30_31:
		case MMC_VDD_29_30:
			mV = 3000;
			break;
		case MMC_VDD_28_29:
		case MMC_VDD_27_28:
			mV = 2800;
			break;
		case MMC_VDD_24_25:
		case MMC_VDD_23_24:
			mV = 2400;
			break;
		case MMC_VDD_22_23:
		case MMC_VDD_21_22:
			mV = 2200;
			break;
		case MMC_VDD_20_21:
			mV = 2000;
			break;
		case MMC_VDD_165_195:
			mV = 1800;
			break;
		default:
			BUG();
		}
		return menelaus_set_vdcdc(3, mV);
	}
	return 0;
}

static void n810_set_power_emmc(struct device *dev,
					 int power_on)
{
	dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");

	if (power_on) {
		gpio_set_value(N810_EMMC_VSD_GPIO, 1);
		msleep(1);
		gpio_set_value(N810_EMMC_VIO_GPIO, 1);
		msleep(1);
	} else {
		gpio_set_value(N810_EMMC_VIO_GPIO, 0);
		msleep(50);
		gpio_set_value(N810_EMMC_VSD_GPIO, 0);
		msleep(50);
	}
}

static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
			      int vdd)
{
	if (board_is_n800() || slot == 0)
		return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);

	n810_set_power_emmc(dev, power_on);

	return 0;
}

static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
{
	int r;

	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
		bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
	BUG_ON(slot != 0 && slot != 1);
	slot++;
	switch (bus_mode) {
	case MMC_BUSMODE_OPENDRAIN:
		r = menelaus_set_mmc_opendrain(slot, 1);
		break;
	case MMC_BUSMODE_PUSHPULL:
		r = menelaus_set_mmc_opendrain(slot, 0);
		break;
	default:
		BUG();
	}
	if (r != 0 && printk_ratelimit())
		dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
			slot);
	return r;
}

static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
{
	slot++;
	BUG_ON(slot != 1 && slot != 2);
	if (slot == 1)
		return slot1_cover_open;
	else
		return slot2_cover_open;
}

static void n8x0_mmc_callback(void *data, u8 card_mask)
{
	int bit, *openp, index;

	if (board_is_n800()) {
		bit = 1 << 1;
		openp = &slot2_cover_open;
		index = 1;
	} else {
		bit = 1;
		openp = &slot1_cover_open;
		index = 0;
	}

	if (card_mask & bit)
		*openp = 1;
	else
		*openp = 0;

#ifdef CONFIG_MMC_OMAP
	omap_mmc_notify_cover_event(mmc_device, index, *openp);
#else
	pr_warn("MMC: notify cover event not available\n");
#endif
}

static int n8x0_mmc_late_init(struct device *dev)
{
	int r, bit, *openp;
	int vs2sel;

	mmc_device = dev;

	r = menelaus_set_slot_sel(1);
	if (r < 0)
		return r;

	if (board_is_n800())
		vs2sel = 0;
	else
		vs2sel = 2;

	r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
	if (r < 0)
		return r;

	n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
	n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);

	r = menelaus_set_mmc_slot(1, 1, 0, 1);
	if (r < 0)
		return r;
	r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
	if (r < 0)
		return r;

	r = menelaus_get_slot_pin_states();
	if (r < 0)
		return r;

	if (board_is_n800()) {
		bit = 1 << 1;
		openp = &slot2_cover_open;
	} else {
		bit = 1;
		openp = &slot1_cover_open;
		slot2_cover_open = 0;
	}

	/* All slot pin bits seem to be inversed until first switch change */
	if (r == 0xf || r == (0xf & ~bit))
		r = ~r;

	if (r & bit)
		*openp = 1;
	else
		*openp = 0;

	r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);

	return r;
}

static void n8x0_mmc_shutdown(struct device *dev)
{
	int vs2sel;

	if (board_is_n800())
		vs2sel = 0;
	else
		vs2sel = 2;

	menelaus_set_mmc_slot(1, 0, 0, 0);
	menelaus_set_mmc_slot(2, 0, vs2sel, 0);
}

static void n8x0_mmc_cleanup(struct device *dev)
{
	menelaus_unregister_mmc_callback();

	gpio_free(N8X0_SLOT_SWITCH_GPIO);

	if (board_is_n810()) {
		gpio_free(N810_EMMC_VSD_GPIO);
		gpio_free(N810_EMMC_VIO_GPIO);
	}
}

/*
 * MMC controller1 has two slots that are multiplexed via I2C.
 * MMC controller2 is not in use.
 */
static struct omap_mmc_platform_data mmc1_data = {
	.nr_slots			= 0,
	.switch_slot			= n8x0_mmc_switch_slot,
	.init				= n8x0_mmc_late_init,
	.cleanup			= n8x0_mmc_cleanup,
	.shutdown			= n8x0_mmc_shutdown,
	.max_freq			= 24000000,
	.slots[0] = {
		.wires			= 4,
		.set_power		= n8x0_mmc_set_power,
		.set_bus_mode		= n8x0_mmc_set_bus_mode,
		.get_cover_state	= n8x0_mmc_get_cover_state,
		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_30_31 |
						MMC_VDD_32_33   | MMC_VDD_33_34,
		.name			= "internal",
	},
	.slots[1] = {
		.set_power		= n8x0_mmc_set_power,
		.set_bus_mode		= n8x0_mmc_set_bus_mode,
		.get_cover_state	= n8x0_mmc_get_cover_state,
		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_20_21 |
						MMC_VDD_21_22 | MMC_VDD_22_23 |
						MMC_VDD_23_24 | MMC_VDD_24_25 |
						MMC_VDD_27_28 | MMC_VDD_28_29 |
						MMC_VDD_29_30 | MMC_VDD_30_31 |
						MMC_VDD_32_33 | MMC_VDD_33_34,
		.name			= "external",
	},
};

static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];

static struct gpio n810_emmc_gpios[] __initdata = {
	{ N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vddf" },
	{ N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vdd"  },
};

static void __init n8x0_mmc_init(void)
{
	int err;

	if (board_is_n810()) {
		mmc1_data.slots[0].name = "external";

		/*
		 * Some Samsung Movinand chips do not like open-ended
		 * multi-block reads and fall to braind-dead state
		 * while doing so. Reducing the number of blocks in
		 * the transfer or delays in clock disable do not help
		 */
		mmc1_data.slots[1].name = "internal";
		mmc1_data.slots[1].ban_openended = 1;
	}

	err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
			       "MMC slot switch");
	if (err)
		return;

	if (board_is_n810()) {
		err = gpio_request_array(n810_emmc_gpios,
					 ARRAY_SIZE(n810_emmc_gpios));
		if (err) {
			gpio_free(N8X0_SLOT_SWITCH_GPIO);
			return;
		}
	}

	mmc1_data.nr_slots = 2;
	mmc_data[0] = &mmc1_data;
}
#else
static struct omap_mmc_platform_data mmc1_data;
void __init n8x0_mmc_init(void)
{
}
#endif	/* CONFIG_MMC_OMAP */

#ifdef CONFIG_MENELAUS

static int n8x0_auto_sleep_regulators(void)
{
	u32 val;
	int ret;

	val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
		| EN_VAUX_SLEEP | EN_VIO_SLEEP \
		| EN_VMEM_SLEEP | EN_DC3_SLEEP \
		| EN_VC_SLEEP | EN_DC2_SLEEP;

	ret = menelaus_set_regulator_sleep(1, val);
	if (ret < 0) {
		pr_err("Could not set regulators to sleep on menelaus: %u\n",
		       ret);
		return ret;
	}
	return 0;
}

static int n8x0_auto_voltage_scale(void)
{
	int ret;

	ret = menelaus_set_vcore_hw(1400, 1050);
	if (ret < 0) {
		pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
		return ret;
	}
	return 0;
}

static int n8x0_menelaus_late_init(struct device *dev)
{
	int ret;

	ret = n8x0_auto_voltage_scale();
	if (ret < 0)
		return ret;
	ret = n8x0_auto_sleep_regulators();
	if (ret < 0)
		return ret;
	return 0;
}

#else
static int n8x0_menelaus_late_init(struct device *dev)
{
	return 0;
}
#endif

static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
	.late_init = n8x0_menelaus_late_init,
};

static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
	{
		I2C_BOARD_INFO("menelaus", 0x72),
		.irq = 7 + OMAP_INTC_START,
		.platform_data = &n8x0_menelaus_platform_data,
	},
};

static struct aic3x_pdata n810_aic33_data __initdata = {
	.gpio_reset = 118,
};

static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
	{
		I2C_BOARD_INFO("tlv320aic3x", 0x18),
		.platform_data = &n810_aic33_data,
	},
};

static int __init n8x0_late_initcall(void)
{
	if (!board_caps)
		return -ENODEV;

	n8x0_mmc_init();
	n8x0_usb_init();

	return 0;
}
omap_late_initcall(n8x0_late_initcall);

/*
 * Legacy init pdata init for n8x0. Note that we want to follow the
 * I2C bus numbering starting at 0 for device tree like other omaps.
 */
void * __init n8x0_legacy_init(void)
{
	board_check_revision();
	spi_register_board_info(n800_spi_board_info,
				ARRAY_SIZE(n800_spi_board_info));
	i2c_register_board_info(0, n8x0_i2c_board_info_1,
				ARRAY_SIZE(n8x0_i2c_board_info_1));
	if (board_is_n810())
		i2c_register_board_info(1, n810_i2c_board_info_2,
					ARRAY_SIZE(n810_i2c_board_info_2));

	return &mmc1_data;
}
Commit	Line	Data
63138812 KV	1	/*
	2	* linux/arch/arm/mach-omap2/board-n8x0.c
	3	*
	4	* Copyright (C) 2005-2009 Nokia Corporation
	5	* Author: Juha Yrjola <juha.yrjola@nokia.com>
	6	*
	7	* Modified from mach-omap2/board-generic.c
	8	*
	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.
	12	*/
	13
	14	#include <linux/clk.h>
	15	#include <linux/delay.h>
	16	#include <linux/gpio.h>
	17	#include <linux/init.h>
	18	#include <linux/io.h>
0857ba3c	19	#include <linux/irq.h>
63138812	20	#include <linux/stddef.h>
9418c65f	21	#include <linux/i2c.h>
63138812 KV	22	#include <linux/spi/spi.h>
63138812 KV	23	#include <linux/usb/musb.h>
2203747c AB	24	#include <linux/platform_data/spi-omap2-mcspi.h>
2203747c AB	25	#include <linux/platform_data/mtd-onenand-omap2.h>
7bd3b618	26	#include <linux/mfd/menelaus.h>
366498d4	27	#include <sound/tlv320aic3x.h>
63138812 KV	28
	29	#include <asm/mach/arch.h>
	30	#include <asm/mach-types.h>
	31
4e65331c	32	#include "common.h"
68f39e74	33	#include "mmc.h"
810ac2a1	34	#include "soc.h"
b6ab13e7	35	#include "gpmc-onenand.h"
bd8f0fc9	36
97b9ad16 FA	37	#define TUSB6010_ASYNC_CS 1
	38	#define TUSB6010_SYNC_CS 4
	39	#define TUSB6010_GPIO_INT 58
	40	#define TUSB6010_GPIO_ENABLE 0
	41	#define TUSB6010_DMACHAN 0x3f
	42
c8f27e97 TL	43	#define NOKIA_N810_WIMAX (1 << 2)
	44	#define NOKIA_N810 (1 << 1)
	45	#define NOKIA_N800 (1 << 0)
	46
	47	static u32 board_caps;
	48
	49	#define board_is_n800() (board_caps & NOKIA_N800)
	50	#define board_is_n810() (board_caps & NOKIA_N810)
	51	#define board_is_n810_wimax() (board_caps & NOKIA_N810_WIMAX)
	52
	53	static void board_check_revision(void)
	54	{
	55	if (of_have_populated_dt()) {
	56	if (of_machine_is_compatible("nokia,n800"))
	57	board_caps = NOKIA_N800;
	58	else if (of_machine_is_compatible("nokia,n810"))
	59	board_caps = NOKIA_N810;
	60	else if (of_machine_is_compatible("nokia,n810-wimax"))
	61	board_caps = NOKIA_N810_WIMAX;
c8f27e97 TL	62	}
	63
	64	if (!board_caps)
	65	pr_err("Unknown board\n");
	66	}
	67
9a35f876	68	#if defined(CONFIG_USB_MUSB_TUSB6010) \|\| defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
97b9ad16 FA	69	/*
	70	* Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
	71	* 1.5 V voltage regulators of PM companion chip. Companion chip will then
	72	* provide then PGOOD signal to TUSB6010 which will release it from reset.
	73	*/
	74	static int tusb_set_power(int state)
	75	{
	76	int i, retval = 0;
	77
	78	if (state) {
	79	gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
	80	msleep(1);
	81
	82	/* Wait until TUSB6010 pulls INT pin down */
	83	i = 100;
	84	while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
	85	msleep(1);
	86	i--;
	87	}
	88
	89	if (!i) {
	90	printk(KERN_ERR "tusb: powerup failed\n");
	91	retval = -ENODEV;
	92	}
	93	} else {
	94	gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
	95	msleep(10);
	96	}
	97
	98	return retval;
	99	}
	100
	101	static struct musb_hdrc_config musb_config = {
	102	.multipoint = 1,
	103	.dyn_fifo = 1,
	104	.num_eps = 16,
	105	.ram_bits = 12,
	106	};
	107
	108	static struct musb_hdrc_platform_data tusb_data = {
97b9ad16	109	.mode = MUSB_OTG,
97b9ad16 FA	110	.set_power = tusb_set_power,
	111	.min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
	112	.power = 100, /* Max 100 mA VBUS for host mode */
	113	.config = &musb_config,
	114	};
	115
	116	static void __init n8x0_usb_init(void)
	117	{
	118	int ret = 0;
	119	static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
	120
	121	/* PM companion chip power control pin */
bc593f5d IG	122	ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
bc593f5d IG	123	"TUSB6010 enable");
97b9ad16 FA	124	if (ret != 0) {
	125	printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
	126	TUSB6010_GPIO_ENABLE);
	127	return;
	128	}
97b9ad16 FA	129	tusb_set_power(0);
	130
	131	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
	132	TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
	133	TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
	134	if (ret != 0)
	135	goto err;
	136
	137	printk(announce);
	138
	139	return;
	140
	141	err:
	142	gpio_free(TUSB6010_GPIO_ENABLE);
	143	}
	144	#else
	145
	146	static void __init n8x0_usb_init(void) {}
	147
7c925546	148	#endif /CONFIG_USB_MUSB_TUSB6010 /
97b9ad16 FA	149
97b9ad16 FA	150
63138812 KV	151	static struct omap2_mcspi_device_config p54spi_mcspi_config = {
63138812 KV	152	.turbo_mode = 0,
63138812 KV	153	};
	154
	155	static struct spi_board_info n800_spi_board_info[] __initdata = {
	156	{
	157	.modalias = "p54spi",
	158	.bus_num = 2,
	159	.chip_select = 0,
	160	.max_speed_hz = 48000000,
	161	.controller_data = &p54spi_mcspi_config,
	162	},
	163	};
	164
9418c65f TL	165	#if defined(CONFIG_MENELAUS) && \
	166	(defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE))
	167
	168	/*
	169	* On both N800 and N810, only the first of the two MMC controllers is in use.
	170	* The two MMC slots are multiplexed via Menelaus companion chip over I2C.
	171	* On N800, both slots are powered via Menelaus. On N810, only one of the
	172	* slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
	173	*
	174	* VMMC slot 1 on both N800 and N810
	175	* VDCDC3_APE and VMCS2_APE slot 2 on N800
	176	* GPIO23 and GPIO9 slot 2 EMMC on N810
	177	*
	178	*/
	179	#define N8X0_SLOT_SWITCH_GPIO 96
	180	#define N810_EMMC_VSD_GPIO 23
1dea5c6b	181	#define N810_EMMC_VIO_GPIO 9
9418c65f	182
49b87c6d TL	183	static int slot1_cover_open;
	184	static int slot2_cover_open;
	185	static struct device *mmc_device;
	186
9418c65f TL	187	static int n8x0_mmc_switch_slot(struct device *dev, int slot)
	188	{
	189	#ifdef CONFIG_MMC_DEBUG
	190	dev_dbg(dev, "Choose slot %d\n", slot + 1);
	191	#endif
	192	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
	193	return 0;
	194	}
	195
	196	static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
	197	int power_on, int vdd)
	198	{
	199	int mV;
	200
	201	#ifdef CONFIG_MMC_DEBUG
	202	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
	203	power_on ? "on" : "off", vdd);
	204	#endif
	205	if (slot == 0) {
	206	if (!power_on)
	207	return menelaus_set_vmmc(0);
	208	switch (1 << vdd) {
	209	case MMC_VDD_33_34:
	210	case MMC_VDD_32_33:
	211	case MMC_VDD_31_32:
	212	mV = 3100;
	213	break;
	214	case MMC_VDD_30_31:
	215	mV = 3000;
	216	break;
	217	case MMC_VDD_28_29:
	218	mV = 2800;
	219	break;
	220	case MMC_VDD_165_195:
	221	mV = 1850;
	222	break;
	223	default:
	224	BUG();
	225	}
	226	return menelaus_set_vmmc(mV);
	227	} else {
	228	if (!power_on)
	229	return menelaus_set_vdcdc(3, 0);
	230	switch (1 << vdd) {
	231	case MMC_VDD_33_34:
	232	case MMC_VDD_32_33:
	233	mV = 3300;
	234	break;
	235	case MMC_VDD_30_31:
	236	case MMC_VDD_29_30:
	237	mV = 3000;
	238	break;
	239	case MMC_VDD_28_29:
	240	case MMC_VDD_27_28:
	241	mV = 2800;
	242	break;
	243	case MMC_VDD_24_25:
	244	case MMC_VDD_23_24:
	245	mV = 2400;
	246	break;
	247	case MMC_VDD_22_23:
	248	case MMC_VDD_21_22:
	249	mV = 2200;
	250	break;
251	case MMC_VDD_20_21:
252	mV = 2000;
253	break;
254	case MMC_VDD_165_195:
255	mV = 1800;
256	break;
257	default:
258	BUG();
259	}
260	return menelaus_set_vdcdc(3, mV);
261	}
262	return 0;
263	}
264
265	static void n810_set_power_emmc(struct device *dev,
266	int power_on)
267	{
268	dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
269
270	if (power_on) {
271	gpio_set_value(N810_EMMC_VSD_GPIO, 1);
272	msleep(1);
1dea5c6b	273	gpio_set_value(N810_EMMC_VIO_GPIO, 1);
9418c65f TL	274	msleep(1);
9418c65f TL	275	} else {
1dea5c6b	276	gpio_set_value(N810_EMMC_VIO_GPIO, 0);
9418c65f TL	277	msleep(50);
	278	gpio_set_value(N810_EMMC_VSD_GPIO, 0);
	279	msleep(50);
	280	}
	281	}
	282
	283	static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
	284	int vdd)
	285	{
c8f27e97	286	if (board_is_n800() \|\| slot == 0)
9418c65f TL	287	return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
	288
	289	n810_set_power_emmc(dev, power_on);
	290
	291	return 0;
	292	}
	293
	294	static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
	295	{
	296	int r;
	297
	298	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
	299	bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
	300	BUG_ON(slot != 0 && slot != 1);
	301	slot++;
	302	switch (bus_mode) {
	303	case MMC_BUSMODE_OPENDRAIN:
	304	r = menelaus_set_mmc_opendrain(slot, 1);
	305	break;
	306	case MMC_BUSMODE_PUSHPULL:
	307	r = menelaus_set_mmc_opendrain(slot, 0);
	308	break;
	309	default:
	310	BUG();
	311	}
	312	if (r != 0 && printk_ratelimit())
	313	dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
	314	slot);
	315	return r;
	316	}
	317
	318	static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
	319	{
	320	slot++;
	321	BUG_ON(slot != 1 && slot != 2);
	322	if (slot == 1)
	323	return slot1_cover_open;
	324	else
	325	return slot2_cover_open;
	326	}
	327
	328	static void n8x0_mmc_callback(void *data, u8 card_mask)
	329	{
	330	int bit, *openp, index;
	331
c8f27e97	332	if (board_is_n800()) {
9418c65f TL	333	bit = 1 << 1;
	334	openp = &slot2_cover_open;
	335	index = 1;
	336	} else {
	337	bit = 1;
	338	openp = &slot1_cover_open;
	339	index = 0;
	340	}
	341
	342	if (card_mask & bit)
	343	*openp = 1;
	344	else
	345	*openp = 0;
	346
d5171102	347	#ifdef CONFIG_MMC_OMAP
9418c65f	348	omap_mmc_notify_cover_event(mmc_device, index, *openp);
d5171102 TL	349	#else
	350	pr_warn("MMC: notify cover event not available\n");
	351	#endif
9418c65f TL	352	}
9418c65f TL	353
9418c65f TL	354	static int n8x0_mmc_late_init(struct device *dev)
	355	{
	356	int r, bit, *openp;
	357	int vs2sel;
	358
	359	mmc_device = dev;
	360
	361	r = menelaus_set_slot_sel(1);
	362	if (r < 0)
	363	return r;
	364
c8f27e97	365	if (board_is_n800())
9418c65f TL	366	vs2sel = 0;
	367	else
	368	vs2sel = 2;
	369
	370	r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
	371	if (r < 0)
	372	return r;
	373
	374	n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
	375	n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
	376
	377	r = menelaus_set_mmc_slot(1, 1, 0, 1);
	378	if (r < 0)
	379	return r;
	380	r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
	381	if (r < 0)
	382	return r;
	383
	384	r = menelaus_get_slot_pin_states();
	385	if (r < 0)
	386	return r;
	387
c8f27e97	388	if (board_is_n800()) {
9418c65f TL	389	bit = 1 << 1;
	390	openp = &slot2_cover_open;
	391	} else {
	392	bit = 1;
	393	openp = &slot1_cover_open;
	394	slot2_cover_open = 0;
	395	}
	396
	397	/* All slot pin bits seem to be inversed until first switch change */
	398	if (r == 0xf \|\| r == (0xf & ~bit))
	399	r = ~r;
	400
	401	if (r & bit)
	402	*openp = 1;
	403	else
	404	*openp = 0;
	405
	406	r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
	407
	408	return r;
	409	}
	410
	411	static void n8x0_mmc_shutdown(struct device *dev)
	412	{
	413	int vs2sel;
	414
c8f27e97	415	if (board_is_n800())
9418c65f TL	416	vs2sel = 0;
	417	else
	418	vs2sel = 2;
	419
	420	menelaus_set_mmc_slot(1, 0, 0, 0);
	421	menelaus_set_mmc_slot(2, 0, vs2sel, 0);
	422	}
	423
	424	static void n8x0_mmc_cleanup(struct device *dev)
	425	{
	426	menelaus_unregister_mmc_callback();
	427
	428	gpio_free(N8X0_SLOT_SWITCH_GPIO);
	429
c8f27e97	430	if (board_is_n810()) {
9418c65f	431	gpio_free(N810_EMMC_VSD_GPIO);
1dea5c6b	432	gpio_free(N810_EMMC_VIO_GPIO);
9418c65f TL	433	}
	434	}
	435
	436	/*
	437	* MMC controller1 has two slots that are multiplexed via I2C.
	438	* MMC controller2 is not in use.
	439	*/
	440	static struct omap_mmc_platform_data mmc1_data = {
fa590c92	441	.nr_slots = 0,
9418c65f TL	442	.switch_slot = n8x0_mmc_switch_slot,
	443	.init = n8x0_mmc_late_init,
	444	.cleanup = n8x0_mmc_cleanup,
	445	.shutdown = n8x0_mmc_shutdown,
	446	.max_freq = 24000000,
9418c65f TL	447	.slots[0] = {
	448	.wires = 4,
	449	.set_power = n8x0_mmc_set_power,
	450	.set_bus_mode = n8x0_mmc_set_bus_mode,
	451	.get_cover_state = n8x0_mmc_get_cover_state,
	452	.ocr_mask = MMC_VDD_165_195 \| MMC_VDD_30_31 \|
	453	MMC_VDD_32_33 \| MMC_VDD_33_34,
	454	.name = "internal",
	455	},
	456	.slots[1] = {
	457	.set_power = n8x0_mmc_set_power,
	458	.set_bus_mode = n8x0_mmc_set_bus_mode,
	459	.get_cover_state = n8x0_mmc_get_cover_state,
	460	.ocr_mask = MMC_VDD_165_195 \| MMC_VDD_20_21 \|
	461	MMC_VDD_21_22 \| MMC_VDD_22_23 \|
	462	MMC_VDD_23_24 \| MMC_VDD_24_25 \|
	463	MMC_VDD_27_28 \| MMC_VDD_28_29 \|
	464	MMC_VDD_29_30 \| MMC_VDD_30_31 \|
	465	MMC_VDD_32_33 \| MMC_VDD_33_34,
	466	.name = "external",
	467	},
	468	};
	469
	470	static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
	471
bc593f5d IG	472	static struct gpio n810_emmc_gpios[] __initdata = {
	473	{ N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" },
	474	{ N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" },
	475	};
9418c65f	476
bc593f5d	477	static void __init n8x0_mmc_init(void)
9418c65f TL	478	{
	479	int err;
	480
c8f27e97	481	if (board_is_n810()) {
9418c65f TL	482	mmc1_data.slots[0].name = "external";
	483
	484	/*
	485	* Some Samsung Movinand chips do not like open-ended
	486	* multi-block reads and fall to braind-dead state
	487	* while doing so. Reducing the number of blocks in
	488	* the transfer or delays in clock disable do not help
	489	*/
	490	mmc1_data.slots[1].name = "internal";
	491	mmc1_data.slots[1].ban_openended = 1;
	492	}
	493
bc593f5d IG	494	err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
bc593f5d IG	495	"MMC slot switch");
9418c65f	496	if (err)
1dea5c6b	497	return;
9418c65f	498
c8f27e97	499	if (board_is_n810()) {
bc593f5d IG	500	err = gpio_request_array(n810_emmc_gpios,
bc593f5d IG	501	ARRAY_SIZE(n810_emmc_gpios));
9418c65f TL	502	if (err) {
9418c65f TL	503	gpio_free(N8X0_SLOT_SWITCH_GPIO);
1dea5c6b	504	return;
9418c65f	505	}
9418c65f TL	506	}
9418c65f TL	507
fa590c92	508	mmc1_data.nr_slots = 2;
9418c65f	509	mmc_data[0] = &mmc1_data;
9418c65f TL	510	}
9418c65f TL	511	#else
fa590c92	512	static struct omap_mmc_platform_data mmc1_data;
9418c65f TL	513	void __init n8x0_mmc_init(void)
	514	{
	515	}
9418c65f TL	516	#endif /* CONFIG_MMC_OMAP */
	517
	518	#ifdef CONFIG_MENELAUS
	519
	520	static int n8x0_auto_sleep_regulators(void)
	521	{
	522	u32 val;
	523	int ret;
	524
	525	val = EN_VPLL_SLEEP \| EN_VMMC_SLEEP \
	526	\| EN_VAUX_SLEEP \| EN_VIO_SLEEP \
	527	\| EN_VMEM_SLEEP \| EN_DC3_SLEEP \
	528	\| EN_VC_SLEEP \| EN_DC2_SLEEP;
	529
	530	ret = menelaus_set_regulator_sleep(1, val);
	531	if (ret < 0) {
7852ec05 PW	532	pr_err("Could not set regulators to sleep on menelaus: %u\n",
7852ec05 PW	533	ret);
9418c65f TL	534	return ret;
	535	}
	536	return 0;
	537	}
	538
	539	static int n8x0_auto_voltage_scale(void)
	540	{
	541	int ret;
	542
	543	ret = menelaus_set_vcore_hw(1400, 1050);
	544	if (ret < 0) {
7852ec05	545	pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
9418c65f TL	546	return ret;
	547	}
	548	return 0;
	549	}
	550
	551	static int n8x0_menelaus_late_init(struct device *dev)
	552	{
	553	int ret;
	554
	555	ret = n8x0_auto_voltage_scale();
	556	if (ret < 0)
	557	return ret;
	558	ret = n8x0_auto_sleep_regulators();
	559	if (ret < 0)
	560	return ret;
	561	return 0;
	562	}
	563
a7f97d25 JN	564	#else
	565	static int n8x0_menelaus_late_init(struct device *dev)
	566	{
	567	return 0;
	568	}
	569	#endif
	570
	571	static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
	572	.late_init = n8x0_menelaus_late_init,
	573	};
	574
	575	static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
9418c65f TL	576	{
9418c65f TL	577	I2C_BOARD_INFO("menelaus", 0x72),
7d7e1eba	578	.irq = 7 + OMAP_INTC_START,
a7f97d25	579	.platform_data = &n8x0_menelaus_platform_data,
9418c65f TL	580	},
	581	};
	582
366498d4 JN	583	static struct aic3x_pdata n810_aic33_data __initdata = {
366498d4 JN	584	.gpio_reset = 118,
9418c65f TL	585	};
9418c65f TL	586
366498d4 JN	587	static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
	588	{
	589	I2C_BOARD_INFO("tlv320aic3x", 0x18),
	590	.platform_data = &n810_aic33_data,
	591	},
	592	};
9418c65f	593
810ac2a1 TL	594	static int __init n8x0_late_initcall(void)
	595	{
	596	if (!board_caps)
	597	return -ENODEV;
	598
810ac2a1 TL	599	n8x0_mmc_init();
810ac2a1 TL	600	n8x0_usb_init();
810ac2a1 TL	601
	602	return 0;
	603	}
	604	omap_late_initcall(n8x0_late_initcall);
	605
fa590c92 TL	606	/*
	607	* Legacy init pdata init for n8x0. Note that we want to follow the
	608	* I2C bus numbering starting at 0 for device tree like other omaps.
	609	*/
	610	void * __init n8x0_legacy_init(void)
	611	{
	612	board_check_revision();
	613	spi_register_board_info(n800_spi_board_info,
	614	ARRAY_SIZE(n800_spi_board_info));
	615	i2c_register_board_info(0, n8x0_i2c_board_info_1,
	616	ARRAY_SIZE(n8x0_i2c_board_info_1));
	617	if (board_is_n810())
	618	i2c_register_board_info(1, n810_i2c_board_info_2,
	619	ARRAY_SIZE(n810_i2c_board_info_2));
	620
	621	return &mmc1_data;
	622	}