mfd: move drivers/i2c/chips/tps65010.c to drivers/mfd

Move the tps65010 driver from drivers/i2c/chips to drivers/mfd
since it's more of a multi-function device than anything else,
and since Jean is trying to vanish drivers/i2c/chips ASAP.

One way to think of these chips are as the PMIC family most
used with OMAP1 generation chips.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>

1 files changed, 0 insertions, 1072 deletions

diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c
deleted file mode 100644
index acf8b9d5f575..000000000000
--- a/drivers/i2c/chips/tps65010.c
+++ /dev/null
@@ -1,1072 +0,0 @@
-/*
- * tps65010 - driver for tps6501x power management chips
- *
- * Copyright (C) 2004 Texas Instruments
- * Copyright (C) 2004-2005 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/i2c.h>
-#include <linux/delay.h>
-#include <linux/workqueue.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-
-#include <linux/i2c/tps65010.h>
-
-#include <asm/gpio.h>
-
-
-/*-------------------------------------------------------------------------*/
-
-#define	DRIVER_VERSION	"2 May 2005"
-#define	DRIVER_NAME	(tps65010_driver.driver.name)
-
-MODULE_DESCRIPTION("TPS6501x Power Management Driver");
-MODULE_LICENSE("GPL");
-
-static struct i2c_driver tps65010_driver;
-
-/*-------------------------------------------------------------------------*/
-
-/* This driver handles a family of multipurpose chips, which incorporate
- * voltage regulators, lithium ion/polymer battery charging, GPIOs, LEDs,
- * and other features often needed in portable devices like cell phones
- * or digital cameras.
- *
- * The tps65011 and tps65013 have different voltage settings compared
- * to tps65010 and tps65012.  The tps65013 has a NO_CHG status/irq.
- * All except tps65010 have "wait" mode, possibly defaulted so that
- * battery-insert != device-on.
- *
- * We could distinguish between some models by checking VDCDC1.UVLO or
- * other registers, unless they've been changed already after powerup
- * as part of board setup by a bootloader.
- */
-enum tps_model {
-	TPS65010,
-	TPS65011,
-	TPS65012,
-	TPS65013,
-};
-
-struct tps65010 {
-	struct i2c_client	*client;
-	struct mutex		lock;
-	struct delayed_work	work;
-	struct dentry		*file;
-	unsigned		charging:1;
-	unsigned		por:1;
-	unsigned		model:8;
-	u16			vbus;
-	unsigned long		flags;
-#define	FLAG_VBUS_CHANGED	0
-#define	FLAG_IRQ_ENABLE		1
-
-	/* copies of last register state */
-	u8			chgstatus, regstatus, chgconf;
-	u8			nmask1, nmask2;
-
-	u8			outmask;
-	struct gpio_chip	chip;
-	struct platform_device	*leds;
-};
-
-#define	POWER_POLL_DELAY	msecs_to_jiffies(5000)
-
-/*-------------------------------------------------------------------------*/
-
-#if	defined(DEBUG) || defined(CONFIG_DEBUG_FS)
-
-static void dbg_chgstat(char *buf, size_t len, u8 chgstatus)
-{
-	snprintf(buf, len, "%02x%s%s%s%s%s%s%s%s\n",
-		chgstatus,
-		(chgstatus & TPS_CHG_USB) ? " USB" : "",
-		(chgstatus & TPS_CHG_AC) ? " AC" : "",
-		(chgstatus & TPS_CHG_THERM) ? " therm" : "",
-		(chgstatus & TPS_CHG_TERM) ? " done" :
-			((chgstatus & (TPS_CHG_USB|TPS_CHG_AC))
-				? " (charging)" : ""),
-		(chgstatus & TPS_CHG_TAPER_TMO) ? " taper_tmo" : "",
-		(chgstatus & TPS_CHG_CHG_TMO) ? " charge_tmo" : "",
-		(chgstatus & TPS_CHG_PRECHG_TMO) ? " prechg_tmo" : "",
-		(chgstatus & TPS_CHG_TEMP_ERR) ? " temp_err" : "");
-}
-
-static void dbg_regstat(char *buf, size_t len, u8 regstatus)
-{
-	snprintf(buf, len, "%02x %s%s%s%s%s%s%s%s\n",
-		regstatus,
-		(regstatus & TPS_REG_ONOFF) ? "off" : "(on)",
-		(regstatus & TPS_REG_COVER) ? " uncover" : "",
-		(regstatus & TPS_REG_UVLO) ? " UVLO" : "",
-		(regstatus & TPS_REG_NO_CHG) ? " NO_CHG" : "",
-		(regstatus & TPS_REG_PG_LD02) ? " ld02_bad" : "",
-		(regstatus & TPS_REG_PG_LD01) ? " ld01_bad" : "",
-		(regstatus & TPS_REG_PG_MAIN) ? " main_bad" : "",
-		(regstatus & TPS_REG_PG_CORE) ? " core_bad" : "");
-}
-
-static void dbg_chgconf(int por, char *buf, size_t len, u8 chgconfig)
-{
-	const char *hibit;
-
-	if (por)
-		hibit = (chgconfig & TPS_CHARGE_POR)
-				? "POR=69ms" : "POR=1sec";
-	else
-		hibit = (chgconfig & TPS65013_AUA) ? "AUA" : "";
-
-	snprintf(buf, len, "%02x %s%s%s AC=%d%% USB=%dmA %sCharge\n",
-		chgconfig, hibit,
-		(chgconfig & TPS_CHARGE_RESET) ? " reset" : "",
-		(chgconfig & TPS_CHARGE_FAST) ? " fast" : "",
-		({int p; switch ((chgconfig >> 3) & 3) {
-		case 3:		p = 100; break;
-		case 2:		p = 75; break;
-		case 1:		p = 50; break;
-		default:	p = 25; break;
-		}; p; }),
-		(chgconfig & TPS_VBUS_CHARGING)
-			? ((chgconfig & TPS_VBUS_500MA) ? 500 : 100)
-			: 0,
-		(chgconfig & TPS_CHARGE_ENABLE) ? "" : "No");
-}
-
-#endif
-
-#ifdef	DEBUG
-
-static void show_chgstatus(const char *label, u8 chgstatus)
-{
-	char buf [100];
-
-	dbg_chgstat(buf, sizeof buf, chgstatus);
-	pr_debug("%s: %s %s", DRIVER_NAME, label, buf);
-}
-
-static void show_regstatus(const char *label, u8 regstatus)
-{
-	char buf [100];
-
-	dbg_regstat(buf, sizeof buf, regstatus);
-	pr_debug("%s: %s %s", DRIVER_NAME, label, buf);
-}
-
-static void show_chgconfig(int por, const char *label, u8 chgconfig)
-{
-	char buf [100];
-
-	dbg_chgconf(por, buf, sizeof buf, chgconfig);
-	pr_debug("%s: %s %s", DRIVER_NAME, label, buf);
-}
-
-#else
-
-static inline void show_chgstatus(const char *label, u8 chgstatus) { }
-static inline void show_regstatus(const char *label, u8 chgstatus) { }
-static inline void show_chgconfig(int por, const char *label, u8 chgconfig) { }
-
-#endif
-
-#ifdef	CONFIG_DEBUG_FS
-
-static int dbg_show(struct seq_file *s, void *_)
-{
-	struct tps65010	*tps = s->private;
-	u8		value, v2;
-	unsigned	i;
-	char		buf[100];
-	const char	*chip;
-
-	switch (tps->model) {
-	case TPS65010:	chip = "tps65010"; break;
-	case TPS65011:	chip = "tps65011"; break;
-	case TPS65012:	chip = "tps65012"; break;
-	case TPS65013:	chip = "tps65013"; break;
-	default:	chip = NULL; break;
-	}
-	seq_printf(s, "driver  %s\nversion %s\nchip    %s\n\n",
-			DRIVER_NAME, DRIVER_VERSION, chip);
-
-	mutex_lock(&tps->lock);
-
-	/* FIXME how can we tell whether a battery is present?
-	 * likely involves a charge gauging chip (like BQ26501).
-	 */
-
-	seq_printf(s, "%scharging\n\n", tps->charging ? "" : "(not) ");
-
-
-	/* registers for monitoring battery charging and status; note
-	 * that reading chgstat and regstat may ack IRQs...
-	 */
-	value = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG);
-	dbg_chgconf(tps->por, buf, sizeof buf, value);
-	seq_printf(s, "chgconfig %s", buf);
-
-	value = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS);
-	dbg_chgstat(buf, sizeof buf, value);
-	seq_printf(s, "chgstat   %s", buf);
-	value = i2c_smbus_read_byte_data(tps->client, TPS_MASK1);
-	dbg_chgstat(buf, sizeof buf, value);
-	seq_printf(s, "mask1     %s", buf);
-	/* ignore ackint1 */
-
-	value = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS);
-	dbg_regstat(buf, sizeof buf, value);
-	seq_printf(s, "regstat   %s", buf);
-	value = i2c_smbus_read_byte_data(tps->client, TPS_MASK2);
-	dbg_regstat(buf, sizeof buf, value);
-	seq_printf(s, "mask2     %s\n", buf);
-	/* ignore ackint2 */
-
-	(void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY);
-
-
-	/* VMAIN voltage, enable lowpower, etc */
-	value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC1);
-	seq_printf(s, "vdcdc1    %02x\n", value);
-
-	/* VCORE voltage, vibrator on/off */
-	value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC2);
-	seq_printf(s, "vdcdc2    %02x\n", value);
-
-	/* both LD0s, and their lowpower behavior */
-	value = i2c_smbus_read_byte_data(tps->client, TPS_VREGS1);
-	seq_printf(s, "vregs1    %02x\n\n", value);
-
-
-	/* LEDs and GPIOs */
-	value = i2c_smbus_read_byte_data(tps->client, TPS_LED1_ON);
-	v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED1_PER);
-	seq_printf(s, "led1 %s, on=%02x, per=%02x, %d/%d msec\n",
-		(value & 0x80)
-			? ((v2 & 0x80) ? "on" : "off")
-			: ((v2 & 0x80) ? "blink" : "(nPG)"),
-		value, v2,
-		(value & 0x7f) * 10, (v2 & 0x7f) * 100);
-
-	value = i2c_smbus_read_byte_data(tps->client, TPS_LED2_ON);
-	v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED2_PER);
-	seq_printf(s, "led2 %s, on=%02x, per=%02x, %d/%d msec\n",
-		(value & 0x80)
-			? ((v2 & 0x80) ? "on" : "off")
-			: ((v2 & 0x80) ? "blink" : "off"),
-		value, v2,
-		(value & 0x7f) * 10, (v2 & 0x7f) * 100);
-
-	value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO);
-	v2 = i2c_smbus_read_byte_data(tps->client, TPS_MASK3);
-	seq_printf(s, "defgpio %02x mask3 %02x\n", value, v2);
-
-	for (i = 0; i < 4; i++) {
-		if (value & (1 << (4 + i)))
-			seq_printf(s, "  gpio%d-out %s\n", i + 1,
-				(value & (1 << i)) ? "low" : "hi ");
-		else
-			seq_printf(s, "  gpio%d-in  %s %s %s\n", i + 1,
-				(value & (1 << i)) ? "hi " : "low",
-				(v2 & (1 << i)) ? "no-irq" : "irq",
-				(v2 & (1 << (4 + i))) ? "rising" : "falling");
-	}
-
-	mutex_unlock(&tps->lock);
-	return 0;
-}
-
-static int dbg_tps_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, dbg_show, inode->i_private);
-}
-
-static const struct file_operations debug_fops = {
-	.open		= dbg_tps_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-#define	DEBUG_FOPS	&debug_fops
-
-#else
-#define	DEBUG_FOPS	NULL
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-/* handle IRQS in a task context, so we can use I2C calls */
-static void tps65010_interrupt(struct tps65010 *tps)
-{
-	u8 tmp = 0, mask, poll;
-
-	/* IRQs won't trigger for certain events, but we can get
-	 * others by polling (normally, with external power applied).
-	 */
-	poll = 0;
-
-	/* regstatus irqs */
-	if (tps->nmask2) {
-		tmp = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS);
-		mask = tmp ^ tps->regstatus;
-		tps->regstatus = tmp;
-		mask &= tps->nmask2;
-	} else
-		mask = 0;
-	if (mask) {
-		tps->regstatus =  tmp;
-		/* may need to shut something down ... */
-
-		/* "off" usually means deep sleep */
-		if (tmp & TPS_REG_ONOFF) {
-			pr_info("%s: power off button\n", DRIVER_NAME);
-#if 0
-			/* REVISIT:  this might need its own workqueue
-			 * plus tweaks including deadlock avoidance ...
-			 * also needs to get error handling and probably
-			 * an #ifdef CONFIG_HIBERNATION
-			 */
-			hibernate();
-#endif
-			poll = 1;
-		}
-	}
-
-	/* chgstatus irqs */
-	if (tps->nmask1) {
-		tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS);
-		mask = tmp ^ tps->chgstatus;
-		tps->chgstatus = tmp;
-		mask &= tps->nmask1;
-	} else
-		mask = 0;
-	if (mask) {
-		unsigned	charging = 0;
-
-		show_chgstatus("chg/irq", tmp);
-		if (tmp & (TPS_CHG_USB|TPS_CHG_AC))
-			show_chgconfig(tps->por, "conf", tps->chgconf);
-
-		/* Unless it was turned off or disabled, we charge any
-		 * battery whenever there's power available for it
-		 * and the charger hasn't been disabled.
-		 */
-		if (!(tps->chgstatus & ~(TPS_CHG_USB|TPS_CHG_AC))
-				&& (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC))
-				&& (tps->chgconf & TPS_CHARGE_ENABLE)
-				) {
-			if (tps->chgstatus & TPS_CHG_USB) {
-				/* VBUS options are readonly until reconnect */
-				if (mask & TPS_CHG_USB)
-					set_bit(FLAG_VBUS_CHANGED, &tps->flags);
-				charging = 1;
-			} else if (tps->chgstatus & TPS_CHG_AC)
-				charging = 1;
-		}
-		if (charging != tps->charging) {
-			tps->charging = charging;
-			pr_info("%s: battery %scharging\n",
-				DRIVER_NAME, charging ? "" :
-				((tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC))
-					? "NOT " : "dis"));
-		}
-	}
-
-	/* always poll to detect (a) power removal, without tps65013
-	 * NO_CHG IRQ; or (b) restart of charging after stop.
-	 */
-	if ((tps->model != TPS65013 || !tps->charging)
-			&& (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)))
-		poll = 1;
-	if (poll)
-		(void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY);
-
-	/* also potentially gpio-in rise or fall */
-}
-
-/* handle IRQs and polling using keventd for now */
-static void tps65010_work(struct work_struct *work)
-{
-	struct tps65010		*tps;
-
-	tps = container_of(work, struct tps65010, work.work);
-	mutex_lock(&tps->lock);
-
-	tps65010_interrupt(tps);
-
-	if (test_and_clear_bit(FLAG_VBUS_CHANGED, &tps->flags)) {
-		int	status;
-		u8	chgconfig, tmp;
-
-		chgconfig = i2c_smbus_read_byte_data(tps->client,
-					TPS_CHGCONFIG);
-		chgconfig &= ~(TPS_VBUS_500MA | TPS_VBUS_CHARGING);
-		if (tps->vbus == 500)
-			chgconfig |= TPS_VBUS_500MA | TPS_VBUS_CHARGING;
-		else if (tps->vbus >= 100)
-			chgconfig |= TPS_VBUS_CHARGING;
-
-		status = i2c_smbus_write_byte_data(tps->client,
-				TPS_CHGCONFIG, chgconfig);
-
-		/* vbus update fails unless VBUS is connected! */
-		tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG);
-		tps->chgconf = tmp;
-		show_chgconfig(tps->por, "update vbus", tmp);
-	}
-
-	if (test_and_clear_bit(FLAG_IRQ_ENABLE, &tps->flags))
-		enable_irq(tps->client->irq);
-
-	mutex_unlock(&tps->lock);
-}
-
-static irqreturn_t tps65010_irq(int irq, void *_tps)
-{
-	struct tps65010		*tps = _tps;
-
-	disable_irq_nosync(irq);
-	set_bit(FLAG_IRQ_ENABLE, &tps->flags);
-	(void) schedule_work(&tps->work.work);
-	return IRQ_HANDLED;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* offsets 0..3 == GPIO1..GPIO4
- * offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes)
- * offset 6 == vibrator motor driver
- */
-static void
-tps65010_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
-{
-	if (offset < 4)
-		tps65010_set_gpio_out_value(offset + 1, value);
-	else if (offset < 6)
-		tps65010_set_led(offset - 3, value ? ON : OFF);
-	else
-		tps65010_set_vib(value);
-}
-
-static int
-tps65010_output(struct gpio_chip *chip, unsigned offset, int value)
-{
-	/* GPIOs may be input-only */
-	if (offset < 4) {
-		struct tps65010		*tps;
-
-		tps = container_of(chip, struct tps65010, chip);
-		if (!(tps->outmask & (1 << offset)))
-			return -EINVAL;
-		tps65010_set_gpio_out_value(offset + 1, value);
-	} else if (offset < 6)
-		tps65010_set_led(offset - 3, value ? ON : OFF);
-	else
-		tps65010_set_vib(value);
-
-	return 0;
-}
-
-static int tps65010_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
-	int			value;
-	struct tps65010		*tps;
-
-	tps = container_of(chip, struct tps65010, chip);
-
-	if (offset < 4) {
-		value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO);
-		if (value < 0)
-			return 0;
-		if (value & (1 << (offset + 4)))	/* output */
-			return !(value & (1 << offset));
-		else					/* input */
-			return (value & (1 << offset));
-	}
-
-	/* REVISIT we *could* report LED1/nPG and LED2 state ... */
-	return 0;
-}
-
-
-/*-------------------------------------------------------------------------*/
-
-static struct tps65010 *the_tps;
-
-static int __exit tps65010_remove(struct i2c_client *client)
-{
-	struct tps65010		*tps = i2c_get_clientdata(client);
-	struct tps65010_board	*board = client->dev.platform_data;
-
-	if (board && board->teardown) {
-		int status = board->teardown(client, board->context);
-		if (status < 0)
-			dev_dbg(&client->dev, "board %s %s err %d\n",
-				"teardown", client->name, status);
-	}
-	if (client->irq > 0)
-		free_irq(client->irq, tps);
-	cancel_delayed_work(&tps->work);
-	flush_scheduled_work();
-	debugfs_remove(tps->file);
-	kfree(tps);
-	i2c_set_clientdata(client, NULL);
-	the_tps = NULL;
-	return 0;
-}
-
-static int tps65010_probe(struct i2c_client *client,
-			  const struct i2c_device_id *id)
-{
-	struct tps65010		*tps;
-	int			status;
-	struct tps65010_board	*board = client->dev.platform_data;
-
-	if (the_tps) {
-		dev_dbg(&client->dev, "only one tps6501x chip allowed\n");
-		return -ENODEV;
-	}
-
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return -EINVAL;
-
-	tps = kzalloc(sizeof *tps, GFP_KERNEL);
-	if (!tps)
-		return -ENOMEM;
-
-	mutex_init(&tps->lock);
-	INIT_DELAYED_WORK(&tps->work, tps65010_work);
-	tps->client = client;
-	tps->model = id->driver_data;
-
-	/* the IRQ is active low, but many gpio lines can't support that
-	 * so this driver uses falling-edge triggers instead.
-	 */
-	if (client->irq > 0) {
-		status = request_irq(client->irq, tps65010_irq,
-			IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_FALLING,
-			DRIVER_NAME, tps);
-		if (status < 0) {
-			dev_dbg(&client->dev, "can't get IRQ %d, err %d\n",
-					client->irq, status);
-			goto fail1;
-		}
-		/* annoying race here, ideally we'd have an option
-		 * to claim the irq now and enable it later.
-		 * FIXME genirq IRQF_NOAUTOEN now solves that ...
-		 */
-		disable_irq(client->irq);
-		set_bit(FLAG_IRQ_ENABLE, &tps->flags);
-	} else
-		dev_warn(&client->dev, "IRQ not configured!\n");
-
-
-	switch (tps->model) {
-	case TPS65010:
-	case TPS65012:
-		tps->por = 1;
-		break;
-	/* else CHGCONFIG.POR is replaced by AUA, enabling a WAIT mode */
-	}
-	tps->chgconf = i2c_smbus_read_byte_data(client, TPS_CHGCONFIG);
-	show_chgconfig(tps->por, "conf/init", tps->chgconf);
-
-	show_chgstatus("chg/init",
-		i2c_smbus_read_byte_data(client, TPS_CHGSTATUS));
-	show_regstatus("reg/init",
-		i2c_smbus_read_byte_data(client, TPS_REGSTATUS));
-
-	pr_debug("%s: vdcdc1 0x%02x, vdcdc2 %02x, vregs1 %02x\n", DRIVER_NAME,
-		i2c_smbus_read_byte_data(client, TPS_VDCDC1),
-		i2c_smbus_read_byte_data(client, TPS_VDCDC2),
-		i2c_smbus_read_byte_data(client, TPS_VREGS1));
-	pr_debug("%s: defgpio 0x%02x, mask3 0x%02x\n", DRIVER_NAME,
-		i2c_smbus_read_byte_data(client, TPS_DEFGPIO),
-		i2c_smbus_read_byte_data(client, TPS_MASK3));
-
-	i2c_set_clientdata(client, tps);
-	the_tps = tps;
-
-#if	defined(CONFIG_USB_GADGET) && !defined(CONFIG_USB_OTG)
-	/* USB hosts can't draw VBUS.  OTG devices could, later
-	 * when OTG infrastructure enables it.  USB peripherals
-	 * could be relying on VBUS while booting, though.
-	 */
-	tps->vbus = 100;
-#endif
-
-	/* unmask the "interesting" irqs, then poll once to
-	 * kickstart monitoring, initialize shadowed status
-	 * registers, and maybe disable VBUS draw.
-	 */
-	tps->nmask1 = ~0;
-	(void) i2c_smbus_write_byte_data(client, TPS_MASK1, ~tps->nmask1);
-
-	tps->nmask2 = TPS_REG_ONOFF;
-	if (tps->model == TPS65013)
-		tps->nmask2 |= TPS_REG_NO_CHG;
-	(void) i2c_smbus_write_byte_data(client, TPS_MASK2, ~tps->nmask2);
-
-	(void) i2c_smbus_write_byte_data(client, TPS_MASK3, 0x0f
-		| i2c_smbus_read_byte_data(client, TPS_MASK3));
-
-	tps65010_work(&tps->work.work);
-
-	tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, NULL,
-				tps, DEBUG_FOPS);
-
-	/* optionally register GPIOs */
-	if (board && board->base > 0) {
-		tps->outmask = board->outmask;
-
-		tps->chip.label = client->name;
-		tps->chip.dev = &client->dev;
-		tps->chip.owner = THIS_MODULE;
-
-		tps->chip.set = tps65010_gpio_set;
-		tps->chip.direction_output = tps65010_output;
-
-		/* NOTE:  only partial support for inputs; nyet IRQs */
-		tps->chip.get = tps65010_gpio_get;
-
-		tps->chip.base = board->base;
-		tps->chip.ngpio = 7;
-		tps->chip.can_sleep = 1;
-
-		status = gpiochip_add(&tps->chip);
-		if (status < 0)
-			dev_err(&client->dev, "can't add gpiochip, err %d\n",
-					status);
-		else if (board->setup) {
-			status = board->setup(client, board->context);
-			if (status < 0) {
-				dev_dbg(&client->dev,
-					"board %s %s err %d\n",
-					"setup", client->name, status);
-				status = 0;
-			}
-		}
-	}
-
-	return 0;
-fail1:
-	kfree(tps);
-	return status;
-}
-
-static const struct i2c_device_id tps65010_id[] = {
-	{ "tps65010", TPS65010 },
-	{ "tps65011", TPS65011 },
-	{ "tps65012", TPS65012 },
-	{ "tps65013", TPS65013 },
-	{ "tps65014", TPS65011 },	/* tps65011 charging at 6.5V max */
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, tps65010_id);
-
-static struct i2c_driver tps65010_driver = {
-	.driver = {
-		.name	= "tps65010",
-	},
-	.probe	= tps65010_probe,
-	.remove	= __exit_p(tps65010_remove),
-	.id_table = tps65010_id,
-};
-
-/*-------------------------------------------------------------------------*/
-
-/* Draw from VBUS:
- *   0 mA -- DON'T DRAW (might supply power instead)
- * 100 mA -- usb unit load (slowest charge rate)
- * 500 mA -- usb high power (fast battery charge)
- */
-int tps65010_set_vbus_draw(unsigned mA)
-{
-	unsigned long	flags;
-
-	if (!the_tps)
-		return -ENODEV;
-
-	/* assumes non-SMP */
-	local_irq_save(flags);
-	if (mA >= 500)
-		mA = 500;
-	else if (mA >= 100)
-		mA = 100;
-	else
-		mA = 0;
-	the_tps->vbus = mA;
-	if ((the_tps->chgstatus & TPS_CHG_USB)
-			&& test_and_set_bit(
-				FLAG_VBUS_CHANGED, &the_tps->flags)) {
-		/* gadget drivers call this in_irq() */
-		(void) schedule_work(&the_tps->work.work);
-	}
-	local_irq_restore(flags);
-
-	return 0;
-}
-EXPORT_SYMBOL(tps65010_set_vbus_draw);
-
-/*-------------------------------------------------------------------------*/
-/* tps65010_set_gpio_out_value parameter:
- * gpio:  GPIO1, GPIO2, GPIO3 or GPIO4
- * value: LOW or HIGH
- */
-int tps65010_set_gpio_out_value(unsigned gpio, unsigned value)
-{
-	int	 status;
-	unsigned defgpio;
-
-	if (!the_tps)
-		return -ENODEV;
-	if ((gpio < GPIO1) || (gpio > GPIO4))
-		return -EINVAL;
-
-	mutex_lock(&the_tps->lock);
-
-	defgpio = i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO);
-
-	/* Configure GPIO for output */
-	defgpio |= 1 << (gpio + 3);
-
-	/* Writing 1 forces a logic 0 on that GPIO and vice versa */
-	switch (value) {
-	case LOW:
-		defgpio |= 1 << (gpio - 1);    /* set GPIO low by writing 1 */
-		break;
-	/* case HIGH: */
-	default:
-		defgpio &= ~(1 << (gpio - 1)); /* set GPIO high by writing 0 */
-		break;
-	}
-
-	status = i2c_smbus_write_byte_data(the_tps->client,
-		TPS_DEFGPIO, defgpio);
-
-	pr_debug("%s: gpio%dout = %s, defgpio 0x%02x\n", DRIVER_NAME,
-		gpio, value ? "high" : "low",
-		i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO));
-
-	mutex_unlock(&the_tps->lock);
-	return status;
-}
-EXPORT_SYMBOL(tps65010_set_gpio_out_value);
-
-/*-------------------------------------------------------------------------*/
-/* tps65010_set_led parameter:
- * led:  LED1 or LED2
- * mode: ON, OFF or BLINK
- */
-int tps65010_set_led(unsigned led, unsigned mode)
-{
-	int	 status;
-	unsigned led_on, led_per, offs;
-
-	if (!the_tps)
-		return -ENODEV;
-
-	if (led == LED1)
-		offs = 0;
-	else {
-		offs = 2;
-		led = LED2;
-	}
-
-	mutex_lock(&the_tps->lock);
-
-	pr_debug("%s: led%i_on   0x%02x\n", DRIVER_NAME, led,
-		i2c_smbus_read_byte_data(the_tps->client,
-				TPS_LED1_ON + offs));
-
-	pr_debug("%s: led%i_per  0x%02x\n", DRIVER_NAME, led,
-		i2c_smbus_read_byte_data(the_tps->client,
-				TPS_LED1_PER + offs));
-
-	switch (mode) {
-	case OFF:
-		led_on  = 1 << 7;
-		led_per = 0 << 7;
-		break;
-	case ON:
-		led_on  = 1 << 7;
-		led_per = 1 << 7;
-		break;
-	case BLINK:
-		led_on  = 0x30 | (0 << 7);
-		led_per = 0x08 | (1 << 7);
-		break;
-	default:
-		printk(KERN_ERR "%s: Wrong mode parameter for set_led()\n",
-		       DRIVER_NAME);
-		mutex_unlock(&the_tps->lock);
-		return -EINVAL;
-	}
-
-	status = i2c_smbus_write_byte_data(the_tps->client,
-			TPS_LED1_ON + offs, led_on);
-
-	if (status != 0) {
-		printk(KERN_ERR "%s: Failed to write led%i_on register\n",
-		       DRIVER_NAME, led);
-		mutex_unlock(&the_tps->lock);
-		return status;
-	}
-
-	pr_debug("%s: led%i_on   0x%02x\n", DRIVER_NAME, led,
-		i2c_smbus_read_byte_data(the_tps->client, TPS_LED1_ON + offs));
-
-	status = i2c_smbus_write_byte_data(the_tps->client,
-			TPS_LED1_PER + offs, led_per);
-
-	if (status != 0) {
-		printk(KERN_ERR "%s: Failed to write led%i_per register\n",
-		       DRIVER_NAME, led);
-		mutex_unlock(&the_tps->lock);
-		return status;
-	}
-
-	pr_debug("%s: led%i_per  0x%02x\n", DRIVER_NAME, led,
-		i2c_smbus_read_byte_data(the_tps->client,
-				TPS_LED1_PER + offs));
-
-	mutex_unlock(&the_tps->lock);
-
-	return status;
-}
-EXPORT_SYMBOL(tps65010_set_led);
-
-/*-------------------------------------------------------------------------*/
-/* tps65010_set_vib parameter:
- * value: ON or OFF
- */
-int tps65010_set_vib(unsigned value)
-{
-	int	 status;
-	unsigned vdcdc2;
-
-	if (!the_tps)
-		return -ENODEV;
-
-	mutex_lock(&the_tps->lock);
-
-	vdcdc2 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC2);
-	vdcdc2 &= ~(1 << 1);
-	if (value)
-		vdcdc2 |= (1 << 1);
-	status = i2c_smbus_write_byte_data(the_tps->client,
-		TPS_VDCDC2, vdcdc2);
-
-	pr_debug("%s: vibrator %s\n", DRIVER_NAME, value ? "on" : "off");
-
-	mutex_unlock(&the_tps->lock);
-	return status;
-}
-EXPORT_SYMBOL(tps65010_set_vib);
-
-/*-------------------------------------------------------------------------*/
-/* tps65010_set_low_pwr parameter:
- * mode: ON or OFF
- */
-int tps65010_set_low_pwr(unsigned mode)
-{
-	int	 status;
-	unsigned vdcdc1;
-
-	if (!the_tps)
-		return -ENODEV;
-
-	mutex_lock(&the_tps->lock);
-
-	pr_debug("%s: %s low_pwr, vdcdc1 0x%02x\n", DRIVER_NAME,
-		mode ? "enable" : "disable",
-		i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
-
-	vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1);
-
-	switch (mode) {
-	case OFF:
-		vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */
-		break;
-	/* case ON: */
-	default:
-		vdcdc1 |= TPS_ENABLE_LP;  /* enable ENABLE_LP bit */
-		break;
-	}
-
-	status = i2c_smbus_write_byte_data(the_tps->client,
-			TPS_VDCDC1, vdcdc1);
-
-	if (status != 0)
-		printk(KERN_ERR "%s: Failed to write vdcdc1 register\n",
-			DRIVER_NAME);
-	else
-		pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME,
-			i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
-
-	mutex_unlock(&the_tps->lock);
-
-	return status;
-}
-EXPORT_SYMBOL(tps65010_set_low_pwr);
-
-/*-------------------------------------------------------------------------*/
-/* tps65010_config_vregs1 parameter:
- * value to be written to VREGS1 register
- * Note: The complete register is written, set all bits you need
- */
-int tps65010_config_vregs1(unsigned value)
-{
-	int	 status;
-
-	if (!the_tps)
-		return -ENODEV;
-
-	mutex_lock(&the_tps->lock);
-
-	pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME,
-			i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1));
-
-	status = i2c_smbus_write_byte_data(the_tps->client,
-			TPS_VREGS1, value);
-
-	if (status != 0)
-		printk(KERN_ERR "%s: Failed to write vregs1 register\n",
-			DRIVER_NAME);
-	else
-		pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME,
-			i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1));
-
-	mutex_unlock(&the_tps->lock);
-
-	return status;
-}
-EXPORT_SYMBOL(tps65010_config_vregs1);
-
-/*-------------------------------------------------------------------------*/
-/* tps65013_set_low_pwr parameter:
- * mode: ON or OFF
- */
-
-/* FIXME: Assumes AC or USB power is present. Setting AUA bit is not
-	required if power supply is through a battery */
-
-int tps65013_set_low_pwr(unsigned mode)
-{
-	int	 status;
-	unsigned vdcdc1, chgconfig;
-
-	if (!the_tps || the_tps->por)
-		return -ENODEV;
-
-	mutex_lock(&the_tps->lock);
-
-	pr_debug("%s: %s low_pwr, chgconfig 0x%02x vdcdc1 0x%02x\n",
-		DRIVER_NAME,
-		mode ? "enable" : "disable",
-		i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG),
-		i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
-
-	chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG);
-	vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1);
-
-	switch (mode) {
-	case OFF:
-		chgconfig &= ~TPS65013_AUA; /* disable AUA bit */
-		vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */
-		break;
-	/* case ON: */
-	default:
-		chgconfig |= TPS65013_AUA;  /* enable AUA bit */
-		vdcdc1 |= TPS_ENABLE_LP;  /* enable ENABLE_LP bit */
-		break;
-	}
-
-	status = i2c_smbus_write_byte_data(the_tps->client,
-			TPS_CHGCONFIG, chgconfig);
-	if (status != 0) {
-		printk(KERN_ERR "%s: Failed to write chconfig register\n",
-	 DRIVER_NAME);
-		mutex_unlock(&the_tps->lock);
-		return status;
-	}
-
-	chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG);
-	the_tps->chgconf = chgconfig;
-	show_chgconfig(0, "chgconf", chgconfig);
-
-	status = i2c_smbus_write_byte_data(the_tps->client,
-			TPS_VDCDC1, vdcdc1);
-
-	if (status != 0)
-		printk(KERN_ERR "%s: Failed to write vdcdc1 register\n",
-	 DRIVER_NAME);
-	else
-		pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME,
-			i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
-
-	mutex_unlock(&the_tps->lock);
-
-	return status;
-}
-EXPORT_SYMBOL(tps65013_set_low_pwr);
-
-/*-------------------------------------------------------------------------*/
-
-static int __init tps_init(void)
-{
-	u32	tries = 3;
-	int	status = -ENODEV;
-
-	printk(KERN_INFO "%s: version %s\n", DRIVER_NAME, DRIVER_VERSION);
-
-	/* some boards have startup glitches */
-	while (tries--) {
-		status = i2c_add_driver(&tps65010_driver);
-		if (the_tps)
-			break;
-		i2c_del_driver(&tps65010_driver);
-		if (!tries) {
-			printk(KERN_ERR "%s: no chip?\n", DRIVER_NAME);
-			return -ENODEV;
-		}
-		pr_debug("%s: re-probe ...\n", DRIVER_NAME);
-		msleep(10);
-	}
-
-	return status;
-}
-/* NOTE:  this MUST be initialized before the other parts of the system
- * that rely on it ... but after the i2c bus on which this relies.
- * That is, much earlier than on PC-type systems, which don't often use
- * I2C as a core system bus.
- */
-subsys_initcall(tps_init);
-
-static void __exit tps_exit(void)
-{
-	i2c_del_driver(&tps65010_driver);
-}
-module_exit(tps_exit);
-