Merge branch 'linus' into tracing/kmemtrace2

4 files changed, 0 insertions, 2382 deletions

diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 4c35702830ce..864ac561fdbb 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -126,19 +126,6 @@ config ISP1301_OMAP
 	  This driver can also be built as a module.  If so, the module
 	  will be called isp1301_omap.
 
-config TPS65010
-	tristate "TPS6501x Power Management chips"
-	depends on GPIOLIB
-	default y if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_OSK
-	help
-	  If you say yes here you get support for the TPS6501x series of
-	  Power Management chips.  These include voltage regulators,
-	  lithium ion/polymer battery charging, and other features that
-	  are often used in portable devices like cell phones and cameras.
-
-	  This driver can also be built as a module.  If so, the module
-	  will be called tps65010.
-
 config SENSORS_MAX6875
 	tristate "Maxim MAX6875 Power supply supervisor"
 	depends on EXPERIMENTAL
@@ -164,16 +151,6 @@ config SENSORS_TSL2550
 	  This driver can also be built as a module.  If so, the module
 	  will be called tsl2550.
 
-config MENELAUS
-	bool "TWL92330/Menelaus PM chip"
-	depends on I2C=y && ARCH_OMAP24XX
-	help
-	  If you say yes here you get support for the Texas Instruments
-	  TWL92330/Menelaus Power Management chip. This include voltage
-	  regulators, Dual slot memory card tranceivers, real-time clock
-	  and other features that are often used in portable devices like
-	  cell phones and PDAs.
-
 config MCU_MPC8349EMITX
 	tristate "MPC8349E-mITX MCU driver"
 	depends on I2C && PPC_83xx
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
index 23d2a31b0a64..8b95f41a5001 100644
--- a/drivers/i2c/chips/Makefile
+++ b/drivers/i2c/chips/Makefile
@@ -19,8 +19,6 @@ obj-$(CONFIG_SENSORS_PCF8574)	+= pcf8574.o
 obj-$(CONFIG_PCF8575)		+= pcf8575.o
 obj-$(CONFIG_SENSORS_PCF8591)	+= pcf8591.o
 obj-$(CONFIG_ISP1301_OMAP)	+= isp1301_omap.o
-obj-$(CONFIG_TPS65010)		+= tps65010.o
-obj-$(CONFIG_MENELAUS)		+= menelaus.o
 obj-$(CONFIG_SENSORS_TSL2550)	+= tsl2550.o
 obj-$(CONFIG_MCU_MPC8349EMITX)	+= mcu_mpc8349emitx.o
 
diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c
deleted file mode 100644
index 4b364bae6b3e..000000000000
--- a/drivers/i2c/chips/menelaus.c
+++ /dev/null
@@ -1,1285 +0,0 @@
-/*
- * Copyright (C) 2004 Texas Instruments, Inc.
- *
- * Some parts based tps65010.c:
- * Copyright (C) 2004 Texas Instruments and
- * Copyright (C) 2004-2005 David Brownell
- *
- * Some parts based on tlv320aic24.c:
- * Copyright (C) by Kai Svahn <kai.svahn@nokia.com>
- *
- * Changes for interrupt handling and clean-up by
- * Tony Lindgren <tony@atomide.com> and Imre Deak <imre.deak@nokia.com>
- * Cleanup and generalized support for voltage setting by
- * Juha Yrjola
- * Added support for controlling VCORE and regulator sleep states,
- * Amit Kucheria <amit.kucheria@nokia.com>
- * Copyright (C) 2005, 2006 Nokia Corporation
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <linux/mutex.h>
-#include <linux/workqueue.h>
-#include <linux/delay.h>
-#include <linux/rtc.h>
-#include <linux/bcd.h>
-
-#include <asm/mach/irq.h>
-
-#include <mach/gpio.h>
-#include <mach/menelaus.h>
-
-#define DRIVER_NAME			"menelaus"
-
-#define MENELAUS_I2C_ADDRESS		0x72
-
-#define MENELAUS_REV			0x01
-#define MENELAUS_VCORE_CTRL1		0x02
-#define MENELAUS_VCORE_CTRL2		0x03
-#define MENELAUS_VCORE_CTRL3		0x04
-#define MENELAUS_VCORE_CTRL4		0x05
-#define MENELAUS_VCORE_CTRL5		0x06
-#define MENELAUS_DCDC_CTRL1		0x07
-#define MENELAUS_DCDC_CTRL2		0x08
-#define MENELAUS_DCDC_CTRL3		0x09
-#define MENELAUS_LDO_CTRL1		0x0A
-#define MENELAUS_LDO_CTRL2		0x0B
-#define MENELAUS_LDO_CTRL3		0x0C
-#define MENELAUS_LDO_CTRL4		0x0D
-#define MENELAUS_LDO_CTRL5		0x0E
-#define MENELAUS_LDO_CTRL6		0x0F
-#define MENELAUS_LDO_CTRL7		0x10
-#define MENELAUS_LDO_CTRL8		0x11
-#define MENELAUS_SLEEP_CTRL1		0x12
-#define MENELAUS_SLEEP_CTRL2		0x13
-#define MENELAUS_DEVICE_OFF		0x14
-#define MENELAUS_OSC_CTRL		0x15
-#define MENELAUS_DETECT_CTRL		0x16
-#define MENELAUS_INT_MASK1		0x17
-#define MENELAUS_INT_MASK2		0x18
-#define MENELAUS_INT_STATUS1		0x19
-#define MENELAUS_INT_STATUS2		0x1A
-#define MENELAUS_INT_ACK1		0x1B
-#define MENELAUS_INT_ACK2		0x1C
-#define MENELAUS_GPIO_CTRL		0x1D
-#define MENELAUS_GPIO_IN		0x1E
-#define MENELAUS_GPIO_OUT		0x1F
-#define MENELAUS_BBSMS			0x20
-#define MENELAUS_RTC_CTRL		0x21
-#define MENELAUS_RTC_UPDATE		0x22
-#define MENELAUS_RTC_SEC		0x23
-#define MENELAUS_RTC_MIN		0x24
-#define MENELAUS_RTC_HR			0x25
-#define MENELAUS_RTC_DAY		0x26
-#define MENELAUS_RTC_MON		0x27
-#define MENELAUS_RTC_YR			0x28
-#define MENELAUS_RTC_WKDAY		0x29
-#define MENELAUS_RTC_AL_SEC		0x2A
-#define MENELAUS_RTC_AL_MIN		0x2B
-#define MENELAUS_RTC_AL_HR		0x2C
-#define MENELAUS_RTC_AL_DAY		0x2D
-#define MENELAUS_RTC_AL_MON		0x2E
-#define MENELAUS_RTC_AL_YR		0x2F
-#define MENELAUS_RTC_COMP_MSB		0x30
-#define MENELAUS_RTC_COMP_LSB		0x31
-#define MENELAUS_S1_PULL_EN		0x32
-#define MENELAUS_S1_PULL_DIR		0x33
-#define MENELAUS_S2_PULL_EN		0x34
-#define MENELAUS_S2_PULL_DIR		0x35
-#define MENELAUS_MCT_CTRL1		0x36
-#define MENELAUS_MCT_CTRL2		0x37
-#define MENELAUS_MCT_CTRL3		0x38
-#define MENELAUS_MCT_PIN_ST		0x39
-#define MENELAUS_DEBOUNCE1		0x3A
-
-#define IH_MENELAUS_IRQS		12
-#define MENELAUS_MMC_S1CD_IRQ		0	/* MMC slot 1 card change */
-#define MENELAUS_MMC_S2CD_IRQ		1	/* MMC slot 2 card change */
-#define MENELAUS_MMC_S1D1_IRQ		2	/* MMC DAT1 low in slot 1 */
-#define MENELAUS_MMC_S2D1_IRQ		3	/* MMC DAT1 low in slot 2 */
-#define MENELAUS_LOWBAT_IRQ		4	/* Low battery */
-#define MENELAUS_HOTDIE_IRQ		5	/* Hot die detect */
-#define MENELAUS_UVLO_IRQ		6	/* UVLO detect */
-#define MENELAUS_TSHUT_IRQ		7	/* Thermal shutdown */
-#define MENELAUS_RTCTMR_IRQ		8	/* RTC timer */
-#define MENELAUS_RTCALM_IRQ		9	/* RTC alarm */
-#define MENELAUS_RTCERR_IRQ		10	/* RTC error */
-#define MENELAUS_PSHBTN_IRQ		11	/* Push button */
-#define MENELAUS_RESERVED12_IRQ		12	/* Reserved */
-#define MENELAUS_RESERVED13_IRQ		13	/* Reserved */
-#define MENELAUS_RESERVED14_IRQ		14	/* Reserved */
-#define MENELAUS_RESERVED15_IRQ		15	/* Reserved */
-
-static void menelaus_work(struct work_struct *_menelaus);
-
-struct menelaus_chip {
-	struct mutex		lock;
-	struct i2c_client	*client;
-	struct work_struct	work;
-#ifdef CONFIG_RTC_DRV_TWL92330
-	struct rtc_device	*rtc;
-	u8			rtc_control;
-	unsigned		uie:1;
-#endif
-	unsigned		vcore_hw_mode:1;
-	u8			mask1, mask2;
-	void			(*handlers[16])(struct menelaus_chip *);
-	void			(*mmc_callback)(void *data, u8 mask);
-	void			*mmc_callback_data;
-};
-
-static struct menelaus_chip *the_menelaus;
-
-static int menelaus_write_reg(int reg, u8 value)
-{
-	int val = i2c_smbus_write_byte_data(the_menelaus->client, reg, value);
-
-	if (val < 0) {
-		pr_err(DRIVER_NAME ": write error");
-		return val;
-	}
-
-	return 0;
-}
-
-static int menelaus_read_reg(int reg)
-{
-	int val = i2c_smbus_read_byte_data(the_menelaus->client, reg);
-
-	if (val < 0)
-		pr_err(DRIVER_NAME ": read error");
-
-	return val;
-}
-
-static int menelaus_enable_irq(int irq)
-{
-	if (irq > 7) {
-		irq -= 8;
-		the_menelaus->mask2 &= ~(1 << irq);
-		return menelaus_write_reg(MENELAUS_INT_MASK2,
-				the_menelaus->mask2);
-	} else {
-		the_menelaus->mask1 &= ~(1 << irq);
-		return menelaus_write_reg(MENELAUS_INT_MASK1,
-				the_menelaus->mask1);
-	}
-}
-
-static int menelaus_disable_irq(int irq)
-{
-	if (irq > 7) {
-		irq -= 8;
-		the_menelaus->mask2 |= (1 << irq);
-		return menelaus_write_reg(MENELAUS_INT_MASK2,
-				the_menelaus->mask2);
-	} else {
-		the_menelaus->mask1 |= (1 << irq);
-		return menelaus_write_reg(MENELAUS_INT_MASK1,
-				the_menelaus->mask1);
-	}
-}
-
-static int menelaus_ack_irq(int irq)
-{
-	if (irq > 7)
-		return menelaus_write_reg(MENELAUS_INT_ACK2, 1 << (irq - 8));
-	else
-		return menelaus_write_reg(MENELAUS_INT_ACK1, 1 << irq);
-}
-
-/* Adds a handler for an interrupt. Does not run in interrupt context */
-static int menelaus_add_irq_work(int irq,
-		void (*handler)(struct menelaus_chip *))
-{
-	int ret = 0;
-
-	mutex_lock(&the_menelaus->lock);
-	the_menelaus->handlers[irq] = handler;
-	ret = menelaus_enable_irq(irq);
-	mutex_unlock(&the_menelaus->lock);
-
-	return ret;
-}
-
-/* Removes handler for an interrupt */
-static int menelaus_remove_irq_work(int irq)
-{
-	int ret = 0;
-
-	mutex_lock(&the_menelaus->lock);
-	ret = menelaus_disable_irq(irq);
-	the_menelaus->handlers[irq] = NULL;
-	mutex_unlock(&the_menelaus->lock);
-
-	return ret;
-}
-
-/*
- * Gets scheduled when a card detect interrupt happens. Note that in some cases
- * this line is wired to card cover switch rather than the card detect switch
- * in each slot. In this case the cards are not seen by menelaus.
- * FIXME: Add handling for D1 too
- */
-static void menelaus_mmc_cd_work(struct menelaus_chip *menelaus_hw)
-{
-	int reg;
-	unsigned char card_mask = 0;
-
-	reg = menelaus_read_reg(MENELAUS_MCT_PIN_ST);
-	if (reg < 0)
-		return;
-
-	if (!(reg & 0x1))
-		card_mask |= (1 << 0);
-
-	if (!(reg & 0x2))
-		card_mask |= (1 << 1);
-
-	if (menelaus_hw->mmc_callback)
-		menelaus_hw->mmc_callback(menelaus_hw->mmc_callback_data,
-					  card_mask);
-}
-
-/*
- * Toggles the MMC slots between open-drain and push-pull mode.
- */
-int menelaus_set_mmc_opendrain(int slot, int enable)
-{
-	int ret, val;
-
-	if (slot != 1 && slot != 2)
-		return -EINVAL;
-	mutex_lock(&the_menelaus->lock);
-	ret = menelaus_read_reg(MENELAUS_MCT_CTRL1);
-	if (ret < 0) {
-		mutex_unlock(&the_menelaus->lock);
-		return ret;
-	}
-	val = ret;
-	if (slot == 1) {
-		if (enable)
-			val |= 1 << 2;
-		else
-			val &= ~(1 << 2);
-	} else {
-		if (enable)
-			val |= 1 << 3;
-		else
-			val &= ~(1 << 3);
-	}
-	ret = menelaus_write_reg(MENELAUS_MCT_CTRL1, val);
-	mutex_unlock(&the_menelaus->lock);
-
-	return ret;
-}
-EXPORT_SYMBOL(menelaus_set_mmc_opendrain);
-
-int menelaus_set_slot_sel(int enable)
-{
-	int ret;
-
-	mutex_lock(&the_menelaus->lock);
-	ret = menelaus_read_reg(MENELAUS_GPIO_CTRL);
-	if (ret < 0)
-		goto out;
-	ret |= 0x02;
-	if (enable)
-		ret |= 1 << 5;
-	else
-		ret &= ~(1 << 5);
-	ret = menelaus_write_reg(MENELAUS_GPIO_CTRL, ret);
-out:
-	mutex_unlock(&the_menelaus->lock);
-	return ret;
-}
-EXPORT_SYMBOL(menelaus_set_slot_sel);
-
-int menelaus_set_mmc_slot(int slot, int enable, int power, int cd_en)
-{
-	int ret, val;
-
-	if (slot != 1 && slot != 2)
-		return -EINVAL;
-	if (power >= 3)
-		return -EINVAL;
-
-	mutex_lock(&the_menelaus->lock);
-
-	ret = menelaus_read_reg(MENELAUS_MCT_CTRL2);
-	if (ret < 0)
-		goto out;
-	val = ret;
-	if (slot == 1) {
-		if (cd_en)
-			val |= (1 << 4) | (1 << 6);
-		else
-			val &= ~((1 << 4) | (1 << 6));
-	} else {
-		if (cd_en)
-			val |= (1 << 5) | (1 << 7);
-		else
-			val &= ~((1 << 5) | (1 << 7));
-	}
-	ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, val);
-	if (ret < 0)
-		goto out;
-
-	ret = menelaus_read_reg(MENELAUS_MCT_CTRL3);
-	if (ret < 0)
-		goto out;
-	val = ret;
-	if (slot == 1) {
-		if (enable)
-			val |= 1 << 0;
-		else
-			val &= ~(1 << 0);
-	} else {
-		int b;
-
-		if (enable)
-			ret |= 1 << 1;
-		else
-			ret &= ~(1 << 1);
-		b = menelaus_read_reg(MENELAUS_MCT_CTRL2);
-		b &= ~0x03;
-		b |= power;
-		ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, b);
-		if (ret < 0)
-			goto out;
-	}
-	/* Disable autonomous shutdown */
-	val &= ~(0x03 << 2);
-	ret = menelaus_write_reg(MENELAUS_MCT_CTRL3, val);
-out:
-	mutex_unlock(&the_menelaus->lock);
-	return ret;
-}
-EXPORT_SYMBOL(menelaus_set_mmc_slot);
-
-int menelaus_register_mmc_callback(void (*callback)(void *data, u8 card_mask),
-				   void *data)
-{
-	int ret = 0;
-
-	the_menelaus->mmc_callback_data = data;
-	the_menelaus->mmc_callback = callback;
-	ret = menelaus_add_irq_work(MENELAUS_MMC_S1CD_IRQ,
-				    menelaus_mmc_cd_work);
-	if (ret < 0)
-		return ret;
-	ret = menelaus_add_irq_work(MENELAUS_MMC_S2CD_IRQ,
-				    menelaus_mmc_cd_work);
-	if (ret < 0)
-		return ret;
-	ret = menelaus_add_irq_work(MENELAUS_MMC_S1D1_IRQ,
-				    menelaus_mmc_cd_work);
-	if (ret < 0)
-		return ret;
-	ret = menelaus_add_irq_work(MENELAUS_MMC_S2D1_IRQ,
-				    menelaus_mmc_cd_work);
-
-	return ret;
-}
-EXPORT_SYMBOL(menelaus_register_mmc_callback);
-
-void menelaus_unregister_mmc_callback(void)
-{
-	menelaus_remove_irq_work(MENELAUS_MMC_S1CD_IRQ);
-	menelaus_remove_irq_work(MENELAUS_MMC_S2CD_IRQ);
-	menelaus_remove_irq_work(MENELAUS_MMC_S1D1_IRQ);
-	menelaus_remove_irq_work(MENELAUS_MMC_S2D1_IRQ);
-
-	the_menelaus->mmc_callback = NULL;
-	the_menelaus->mmc_callback_data = 0;
-}
-EXPORT_SYMBOL(menelaus_unregister_mmc_callback);
-
-struct menelaus_vtg {
-	const char *name;
-	u8 vtg_reg;
-	u8 vtg_shift;
-	u8 vtg_bits;
-	u8 mode_reg;
-};
-
-struct menelaus_vtg_value {
-	u16 vtg;
-	u16 val;
-};
-
-static int menelaus_set_voltage(const struct menelaus_vtg *vtg, int mV,
-				int vtg_val, int mode)
-{
-	int val, ret;
-	struct i2c_client *c = the_menelaus->client;
-
-	mutex_lock(&the_menelaus->lock);
-	if (vtg == 0)
-		goto set_voltage;
-
-	ret = menelaus_read_reg(vtg->vtg_reg);
-	if (ret < 0)
-		goto out;
-	val = ret & ~(((1 << vtg->vtg_bits) - 1) << vtg->vtg_shift);
-	val |= vtg_val << vtg->vtg_shift;
-
-	dev_dbg(&c->dev, "Setting voltage '%s'"
-			 "to %d mV (reg 0x%02x, val 0x%02x)\n",
-			vtg->name, mV, vtg->vtg_reg, val);
-
-	ret = menelaus_write_reg(vtg->vtg_reg, val);
-	if (ret < 0)
-		goto out;
-set_voltage:
-	ret = menelaus_write_reg(vtg->mode_reg, mode);
-out:
-	mutex_unlock(&the_menelaus->lock);
-	if (ret == 0) {
-		/* Wait for voltage to stabilize */
-		msleep(1);
-	}
-	return ret;
-}
-
-static int menelaus_get_vtg_value(int vtg, const struct menelaus_vtg_value *tbl,
-				  int n)
-{
-	int i;
-
-	for (i = 0; i < n; i++, tbl++)
-		if (tbl->vtg == vtg)
-			return tbl->val;
-	return -EINVAL;
-}
-
-/*
- * Vcore can be programmed in two ways:
- * SW-controlled: Required voltage is programmed into VCORE_CTRL1
- * HW-controlled: Required range (roof-floor) is programmed into VCORE_CTRL3
- * and VCORE_CTRL4
- *
- * Call correct 'set' function accordingly
- */
-
-static const struct menelaus_vtg_value vcore_values[] = {
-	{ 1000, 0 },
-	{ 1025, 1 },
-	{ 1050, 2 },
-	{ 1075, 3 },
-	{ 1100, 4 },
-	{ 1125, 5 },
-	{ 1150, 6 },
-	{ 1175, 7 },
-	{ 1200, 8 },
-	{ 1225, 9 },
-	{ 1250, 10 },
-	{ 1275, 11 },
-	{ 1300, 12 },
-	{ 1325, 13 },
-	{ 1350, 14 },
-	{ 1375, 15 },
-	{ 1400, 16 },
-	{ 1425, 17 },
-	{ 1450, 18 },
-};
-
-int menelaus_set_vcore_sw(unsigned int mV)
-{
-	int val, ret;
-	struct i2c_client *c = the_menelaus->client;
-
-	val = menelaus_get_vtg_value(mV, vcore_values,
-				     ARRAY_SIZE(vcore_values));
-	if (val < 0)
-		return -EINVAL;
-
-	dev_dbg(&c->dev, "Setting VCORE to %d mV (val 0x%02x)\n", mV, val);
-
-	/* Set SW mode and the voltage in one go. */
-	mutex_lock(&the_menelaus->lock);
-	ret = menelaus_write_reg(MENELAUS_VCORE_CTRL1, val);
-	if (ret == 0)
-		the_menelaus->vcore_hw_mode = 0;
-	mutex_unlock(&the_menelaus->lock);
-	msleep(1);
-
-	return ret;
-}
-
-int menelaus_set_vcore_hw(unsigned int roof_mV, unsigned int floor_mV)
-{
-	int fval, rval, val, ret;
-	struct i2c_client *c = the_menelaus->client;
-
-	rval = menelaus_get_vtg_value(roof_mV, vcore_values,
-				      ARRAY_SIZE(vcore_values));
-	if (rval < 0)
-		return -EINVAL;
-	fval = menelaus_get_vtg_value(floor_mV, vcore_values,
-				      ARRAY_SIZE(vcore_values));
-	if (fval < 0)
-		return -EINVAL;
-
-	dev_dbg(&c->dev, "Setting VCORE FLOOR to %d mV and ROOF to %d mV\n",
-	       floor_mV, roof_mV);
-
-	mutex_lock(&the_menelaus->lock);
-	ret = menelaus_write_reg(MENELAUS_VCORE_CTRL3, fval);
-	if (ret < 0)
-		goto out;
-	ret = menelaus_write_reg(MENELAUS_VCORE_CTRL4, rval);
-	if (ret < 0)
-		goto out;
-	if (!the_menelaus->vcore_hw_mode) {
-		val = menelaus_read_reg(MENELAUS_VCORE_CTRL1);
-		/* HW mode, turn OFF byte comparator */
-		val |= ((1 << 7) | (1 << 5));
-		ret = menelaus_write_reg(MENELAUS_VCORE_CTRL1, val);
-		the_menelaus->vcore_hw_mode = 1;
-	}
-	msleep(1);
-out:
-	mutex_unlock(&the_menelaus->lock);
-	return ret;
-}
-
-static const struct menelaus_vtg vmem_vtg = {
-	.name = "VMEM",
-	.vtg_reg = MENELAUS_LDO_CTRL1,
-	.vtg_shift = 0,
-	.vtg_bits = 2,
-	.mode_reg = MENELAUS_LDO_CTRL3,
-};
-
-static const struct menelaus_vtg_value vmem_values[] = {
-	{ 1500, 0 },
-	{ 1800, 1 },
-	{ 1900, 2 },
-	{ 2500, 3 },
-};
-
-int menelaus_set_vmem(unsigned int mV)
-{
-	int val;
-
-	if (mV == 0)
-		return menelaus_set_voltage(&vmem_vtg, 0, 0, 0);
-
-	val = menelaus_get_vtg_value(mV, vmem_values, ARRAY_SIZE(vmem_values));
-	if (val < 0)
-		return -EINVAL;
-	return menelaus_set_voltage(&vmem_vtg, mV, val, 0x02);
-}
-EXPORT_SYMBOL(menelaus_set_vmem);
-
-static const struct menelaus_vtg vio_vtg = {
-	.name = "VIO",
-	.vtg_reg = MENELAUS_LDO_CTRL1,
-	.vtg_shift = 2,
-	.vtg_bits = 2,
-	.mode_reg = MENELAUS_LDO_CTRL4,
-};
-
-static const struct menelaus_vtg_value vio_values[] = {
-	{ 1500, 0 },
-	{ 1800, 1 },
-	{ 2500, 2 },
-	{ 2800, 3 },
-};
-
-int menelaus_set_vio(unsigned int mV)
-{
-	int val;
-
-	if (mV == 0)
-		return menelaus_set_voltage(&vio_vtg, 0, 0, 0);
-
-	val = menelaus_get_vtg_value(mV, vio_values, ARRAY_SIZE(vio_values));
-	if (val < 0)
-		return -EINVAL;
-	return menelaus_set_voltage(&vio_vtg, mV, val, 0x02);
-}
-EXPORT_SYMBOL(menelaus_set_vio);
-
-static const struct menelaus_vtg_value vdcdc_values[] = {
-	{ 1500, 0 },
-	{ 1800, 1 },
-	{ 2000, 2 },
-	{ 2200, 3 },
-	{ 2400, 4 },
-	{ 2800, 5 },
-	{ 3000, 6 },
-	{ 3300, 7 },
-};
-
-static const struct menelaus_vtg vdcdc2_vtg = {
-	.name = "VDCDC2",
-	.vtg_reg = MENELAUS_DCDC_CTRL1,
-	.vtg_shift = 0,
-	.vtg_bits = 3,
-	.mode_reg = MENELAUS_DCDC_CTRL2,
-};
-
-static const struct menelaus_vtg vdcdc3_vtg = {
-	.name = "VDCDC3",
-	.vtg_reg = MENELAUS_DCDC_CTRL1,
-	.vtg_shift = 3,
-	.vtg_bits = 3,
-	.mode_reg = MENELAUS_DCDC_CTRL3,
-};
-
-int menelaus_set_vdcdc(int dcdc, unsigned int mV)
-{
-	const struct menelaus_vtg *vtg;
-	int val;
-
-	if (dcdc != 2 && dcdc != 3)
-		return -EINVAL;
-	if (dcdc == 2)
-		vtg = &vdcdc2_vtg;
-	else
-		vtg = &vdcdc3_vtg;
-
-	if (mV == 0)
-		return menelaus_set_voltage(vtg, 0, 0, 0);
-
-	val = menelaus_get_vtg_value(mV, vdcdc_values,
-				     ARRAY_SIZE(vdcdc_values));
-	if (val < 0)
-		return -EINVAL;
-	return menelaus_set_voltage(vtg, mV, val, 0x03);
-}
-
-static const struct menelaus_vtg_value vmmc_values[] = {
-	{ 1850, 0 },
-	{ 2800, 1 },
-	{ 3000, 2 },
-	{ 3100, 3 },
-};
-
-static const struct menelaus_vtg vmmc_vtg = {
-	.name = "VMMC",
-	.vtg_reg = MENELAUS_LDO_CTRL1,
-	.vtg_shift = 6,
-	.vtg_bits = 2,
-	.mode_reg = MENELAUS_LDO_CTRL7,
-};
-
-int menelaus_set_vmmc(unsigned int mV)
-{
-	int val;
-
-	if (mV == 0)
-		return menelaus_set_voltage(&vmmc_vtg, 0, 0, 0);
-
-	val = menelaus_get_vtg_value(mV, vmmc_values, ARRAY_SIZE(vmmc_values));
-	if (val < 0)
-		return -EINVAL;
-	return menelaus_set_voltage(&vmmc_vtg, mV, val, 0x02);
-}
-EXPORT_SYMBOL(menelaus_set_vmmc);
-
-
-static const struct menelaus_vtg_value vaux_values[] = {
-	{ 1500, 0 },
-	{ 1800, 1 },
-	{ 2500, 2 },
-	{ 2800, 3 },
-};
-
-static const struct menelaus_vtg vaux_vtg = {
-	.name = "VAUX",
-	.vtg_reg = MENELAUS_LDO_CTRL1,
-	.vtg_shift = 4,
-	.vtg_bits = 2,
-	.mode_reg = MENELAUS_LDO_CTRL6,
-};
-
-int menelaus_set_vaux(unsigned int mV)
-{
-	int val;
-
-	if (mV == 0)
-		return menelaus_set_voltage(&vaux_vtg, 0, 0, 0);
-
-	val = menelaus_get_vtg_value(mV, vaux_values, ARRAY_SIZE(vaux_values));
-	if (val < 0)
-		return -EINVAL;
-	return menelaus_set_voltage(&vaux_vtg, mV, val, 0x02);
-}
-EXPORT_SYMBOL(menelaus_set_vaux);
-
-int menelaus_get_slot_pin_states(void)
-{
-	return menelaus_read_reg(MENELAUS_MCT_PIN_ST);
-}
-EXPORT_SYMBOL(menelaus_get_slot_pin_states);
-
-int menelaus_set_regulator_sleep(int enable, u32 val)
-{
-	int t, ret;
-	struct i2c_client *c = the_menelaus->client;
-
-	mutex_lock(&the_menelaus->lock);
-	ret = menelaus_write_reg(MENELAUS_SLEEP_CTRL2, val);
-	if (ret < 0)
-		goto out;
-
-	dev_dbg(&c->dev, "regulator sleep configuration: %02x\n", val);
-
-	ret = menelaus_read_reg(MENELAUS_GPIO_CTRL);
-	if (ret < 0)
-		goto out;
-	t = ((1 << 6) | 0x04);
-	if (enable)
-		ret |= t;
-	else
-		ret &= ~t;
-	ret = menelaus_write_reg(MENELAUS_GPIO_CTRL, ret);
-out:
-	mutex_unlock(&the_menelaus->lock);
-	return ret;
-}
-
-/*-----------------------------------------------------------------------*/
-
-/* Handles Menelaus interrupts. Does not run in interrupt context */
-static void menelaus_work(struct work_struct *_menelaus)
-{
-	struct menelaus_chip *menelaus =
-			container_of(_menelaus, struct menelaus_chip, work);
-	void (*handler)(struct menelaus_chip *menelaus);
-
-	while (1) {
-		unsigned isr;
-
-		isr = (menelaus_read_reg(MENELAUS_INT_STATUS2)
-				& ~menelaus->mask2) << 8;
-		isr |= menelaus_read_reg(MENELAUS_INT_STATUS1)
-				& ~menelaus->mask1;
-		if (!isr)
-			break;
-
-		while (isr) {
-			int irq = fls(isr) - 1;
-			isr &= ~(1 << irq);
-
-			mutex_lock(&menelaus->lock);
-			menelaus_disable_irq(irq);
-			menelaus_ack_irq(irq);
-			handler = menelaus->handlers[irq];
-			if (handler)
-				handler(menelaus);
-			menelaus_enable_irq(irq);
-			mutex_unlock(&menelaus->lock);
-		}
-	}
-	enable_irq(menelaus->client->irq);
-}
-
-/*
- * We cannot use I2C in interrupt context, so we just schedule work.
- */
-static irqreturn_t menelaus_irq(int irq, void *_menelaus)
-{
-	struct menelaus_chip *menelaus = _menelaus;
-
-	disable_irq_nosync(irq);
-	(void)schedule_work(&menelaus->work);
-
-	return IRQ_HANDLED;
-}
-
-/*-----------------------------------------------------------------------*/
-
-/*
- * The RTC needs to be set once, then it runs on backup battery power.
- * It supports alarms, including system wake alarms (from some modes);
- * and 1/second IRQs if requested.
- */
-#ifdef CONFIG_RTC_DRV_TWL92330
-
-#define RTC_CTRL_RTC_EN		(1 << 0)
-#define RTC_CTRL_AL_EN		(1 << 1)
-#define RTC_CTRL_MODE12		(1 << 2)
-#define RTC_CTRL_EVERY_MASK	(3 << 3)
-#define RTC_CTRL_EVERY_SEC	(0 << 3)
-#define RTC_CTRL_EVERY_MIN	(1 << 3)
-#define RTC_CTRL_EVERY_HR	(2 << 3)
-#define RTC_CTRL_EVERY_DAY	(3 << 3)
-
-#define RTC_UPDATE_EVERY	0x08
-
-#define RTC_HR_PM		(1 << 7)
-
-static void menelaus_to_time(char *regs, struct rtc_time *t)
-{
-	t->tm_sec = bcd2bin(regs[0]);
-	t->tm_min = bcd2bin(regs[1]);
-	if (the_menelaus->rtc_control & RTC_CTRL_MODE12) {
-		t->tm_hour = bcd2bin(regs[2] & 0x1f) - 1;
-		if (regs[2] & RTC_HR_PM)
-			t->tm_hour += 12;
-	} else
-		t->tm_hour = bcd2bin(regs[2] & 0x3f);
-	t->tm_mday = bcd2bin(regs[3]);
-	t->tm_mon = bcd2bin(regs[4]) - 1;
-	t->tm_year = bcd2bin(regs[5]) + 100;
-}
-
-static int time_to_menelaus(struct rtc_time *t, int regnum)
-{
-	int	hour, status;
-
-	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_sec));
-	if (status < 0)
-		goto fail;
-
-	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_min));
-	if (status < 0)
-		goto fail;
-
-	if (the_menelaus->rtc_control & RTC_CTRL_MODE12) {
-		hour = t->tm_hour + 1;
-		if (hour > 12)
-			hour = RTC_HR_PM | bin2bcd(hour - 12);
-		else
-			hour = bin2bcd(hour);
-	} else
-		hour = bin2bcd(t->tm_hour);
-	status = menelaus_write_reg(regnum++, hour);
-	if (status < 0)
-		goto fail;
-
-	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mday));
-	if (status < 0)
-		goto fail;
-
-	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mon + 1));
-	if (status < 0)
-		goto fail;
-
-	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_year - 100));
-	if (status < 0)
-		goto fail;
-
-	return 0;
-fail:
-	dev_err(&the_menelaus->client->dev, "rtc write reg %02x, err %d\n",
-			--regnum, status);
-	return status;
-}
-
-static int menelaus_read_time(struct device *dev, struct rtc_time *t)
-{
-	struct i2c_msg	msg[2];
-	char		regs[7];
-	int		status;
-
-	/* block read date and time registers */
-	regs[0] = MENELAUS_RTC_SEC;
-
-	msg[0].addr = MENELAUS_I2C_ADDRESS;
-	msg[0].flags = 0;
-	msg[0].len = 1;
-	msg[0].buf = regs;
-
-	msg[1].addr = MENELAUS_I2C_ADDRESS;
-	msg[1].flags = I2C_M_RD;
-	msg[1].len = sizeof(regs);
-	msg[1].buf = regs;
-
-	status = i2c_transfer(the_menelaus->client->adapter, msg, 2);
-	if (status != 2) {
-		dev_err(dev, "%s error %d\n", "read", status);
-		return -EIO;
-	}
-
-	menelaus_to_time(regs, t);
-	t->tm_wday = bcd2bin(regs[6]);
-
-	return 0;
-}
-
-static int menelaus_set_time(struct device *dev, struct rtc_time *t)
-{
-	int		status;
-
-	/* write date and time registers */
-	status = time_to_menelaus(t, MENELAUS_RTC_SEC);
-	if (status < 0)
-		return status;
-	status = menelaus_write_reg(MENELAUS_RTC_WKDAY, bin2bcd(t->tm_wday));
-	if (status < 0) {
-		dev_err(&the_menelaus->client->dev, "rtc write reg %02x "
-				"err %d\n", MENELAUS_RTC_WKDAY, status);
-		return status;
-	}
-
-	/* now commit the write */
-	status = menelaus_write_reg(MENELAUS_RTC_UPDATE, RTC_UPDATE_EVERY);
-	if (status < 0)
-		dev_err(&the_menelaus->client->dev, "rtc commit time, err %d\n",
-				status);
-
-	return 0;
-}
-
-static int menelaus_read_alarm(struct device *dev, struct rtc_wkalrm *w)
-{
-	struct i2c_msg	msg[2];
-	char		regs[6];
-	int		status;
-
-	/* block read alarm registers */
-	regs[0] = MENELAUS_RTC_AL_SEC;
-
-	msg[0].addr = MENELAUS_I2C_ADDRESS;
-	msg[0].flags = 0;
-	msg[0].len = 1;
-	msg[0].buf = regs;
-
-	msg[1].addr = MENELAUS_I2C_ADDRESS;
-	msg[1].flags = I2C_M_RD;
-	msg[1].len = sizeof(regs);
-	msg[1].buf = regs;
-
-	status = i2c_transfer(the_menelaus->client->adapter, msg, 2);
-	if (status != 2) {
-		dev_err(dev, "%s error %d\n", "alarm read", status);
-		return -EIO;
-	}
-
-	menelaus_to_time(regs, &w->time);
-
-	w->enabled = !!(the_menelaus->rtc_control & RTC_CTRL_AL_EN);
-
-	/* NOTE we *could* check if actually pending... */
-	w->pending = 0;
-
-	return 0;
-}
-
-static int menelaus_set_alarm(struct device *dev, struct rtc_wkalrm *w)
-{
-	int		status;
-
-	if (the_menelaus->client->irq <= 0 && w->enabled)
-		return -ENODEV;
-
-	/* clear previous alarm enable */
-	if (the_menelaus->rtc_control & RTC_CTRL_AL_EN) {
-		the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN;
-		status = menelaus_write_reg(MENELAUS_RTC_CTRL,
-				the_menelaus->rtc_control);
-		if (status < 0)
-			return status;
-	}
-
-	/* write alarm registers */
-	status = time_to_menelaus(&w->time, MENELAUS_RTC_AL_SEC);
-	if (status < 0)
-		return status;
-
-	/* enable alarm if requested */
-	if (w->enabled) {
-		the_menelaus->rtc_control |= RTC_CTRL_AL_EN;
-		status = menelaus_write_reg(MENELAUS_RTC_CTRL,
-				the_menelaus->rtc_control);
-	}
-
-	return status;
-}
-
-#ifdef CONFIG_RTC_INTF_DEV
-
-static void menelaus_rtc_update_work(struct menelaus_chip *m)
-{
-	/* report 1/sec update */
-	local_irq_disable();
-	rtc_update_irq(m->rtc, 1, RTC_IRQF | RTC_UF);
-	local_irq_enable();
-}
-
-static int menelaus_ioctl(struct device *dev, unsigned cmd, unsigned long arg)
-{
-	int	status;
-
-	if (the_menelaus->client->irq <= 0)
-		return -ENOIOCTLCMD;
-
-	switch (cmd) {
-	/* alarm IRQ */
-	case RTC_AIE_ON:
-		if (the_menelaus->rtc_control & RTC_CTRL_AL_EN)
-			return 0;
-		the_menelaus->rtc_control |= RTC_CTRL_AL_EN;
-		break;
-	case RTC_AIE_OFF:
-		if (!(the_menelaus->rtc_control & RTC_CTRL_AL_EN))
-			return 0;
-		the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN;
-		break;
-	/* 1/second "update" IRQ */
-	case RTC_UIE_ON:
-		if (the_menelaus->uie)
-			return 0;
-		status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ);
-		status = menelaus_add_irq_work(MENELAUS_RTCTMR_IRQ,
-				menelaus_rtc_update_work);
-		if (status == 0)
-			the_menelaus->uie = 1;
-		return status;
-	case RTC_UIE_OFF:
-		if (!the_menelaus->uie)
-			return 0;
-		status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ);
-		if (status == 0)
-			the_menelaus->uie = 0;
-		return status;
-	default:
-		return -ENOIOCTLCMD;
-	}
-	return menelaus_write_reg(MENELAUS_RTC_CTRL, the_menelaus->rtc_control);
-}
-
-#else
-#define menelaus_ioctl	NULL
-#endif
-
-/* REVISIT no compensation register support ... */
-
-static const struct rtc_class_ops menelaus_rtc_ops = {
-	.ioctl			= menelaus_ioctl,
-	.read_time		= menelaus_read_time,
-	.set_time		= menelaus_set_time,
-	.read_alarm		= menelaus_read_alarm,
-	.set_alarm		= menelaus_set_alarm,
-};
-
-static void menelaus_rtc_alarm_work(struct menelaus_chip *m)
-{
-	/* report alarm */
-	local_irq_disable();
-	rtc_update_irq(m->rtc, 1, RTC_IRQF | RTC_AF);
-	local_irq_enable();
-
-	/* then disable it; alarms are oneshot */
-	the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN;
-	menelaus_write_reg(MENELAUS_RTC_CTRL, the_menelaus->rtc_control);
-}
-
-static inline void menelaus_rtc_init(struct menelaus_chip *m)
-{
-	int	alarm = (m->client->irq > 0);
-
-	/* assume 32KDETEN pin is pulled high */
-	if (!(menelaus_read_reg(MENELAUS_OSC_CTRL) & 0x80)) {
-		dev_dbg(&m->client->dev, "no 32k oscillator\n");
-		return;
-	}
-
-	/* support RTC alarm; it can issue wakeups */
-	if (alarm) {
-		if (menelaus_add_irq_work(MENELAUS_RTCALM_IRQ,
-				menelaus_rtc_alarm_work) < 0) {
-			dev_err(&m->client->dev, "can't handle RTC alarm\n");
-			return;
-		}
-		device_init_wakeup(&m->client->dev, 1);
-	}
-
-	/* be sure RTC is enabled; allow 1/sec irqs; leave 12hr mode alone */
-	m->rtc_control = menelaus_read_reg(MENELAUS_RTC_CTRL);
-	if (!(m->rtc_control & RTC_CTRL_RTC_EN)
-			|| (m->rtc_control & RTC_CTRL_AL_EN)
-			|| (m->rtc_control & RTC_CTRL_EVERY_MASK)) {
-		if (!(m->rtc_control & RTC_CTRL_RTC_EN)) {
-			dev_warn(&m->client->dev, "rtc clock needs setting\n");
-			m->rtc_control |= RTC_CTRL_RTC_EN;
-		}
-		m->rtc_control &= ~RTC_CTRL_EVERY_MASK;
-		m->rtc_control &= ~RTC_CTRL_AL_EN;
-		menelaus_write_reg(MENELAUS_RTC_CTRL, m->rtc_control);
-	}
-
-	m->rtc = rtc_device_register(DRIVER_NAME,
-			&m->client->dev,
-			&menelaus_rtc_ops, THIS_MODULE);
-	if (IS_ERR(m->rtc)) {
-		if (alarm) {
-			menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ);
-			device_init_wakeup(&m->client->dev, 0);
-		}
-		dev_err(&m->client->dev, "can't register RTC: %d\n",
-				(int) PTR_ERR(m->rtc));
-		the_menelaus->rtc = NULL;
-	}
-}
-
-#else
-
-static inline void menelaus_rtc_init(struct menelaus_chip *m)
-{
-	/* nothing */
-}
-
-#endif
-
-/*-----------------------------------------------------------------------*/
-
-static struct i2c_driver menelaus_i2c_driver;
-
-static int menelaus_probe(struct i2c_client *client,
-			  const struct i2c_device_id *id)
-{
-	struct menelaus_chip	*menelaus;
-	int			rev = 0, val;
-	int			err = 0;
-	struct menelaus_platform_data *menelaus_pdata =
-					client->dev.platform_data;
-
-	if (the_menelaus) {
-		dev_dbg(&client->dev, "only one %s for now\n",
-				DRIVER_NAME);
-		return -ENODEV;
-	}
-
-	menelaus = kzalloc(sizeof *menelaus, GFP_KERNEL);
-	if (!menelaus)
-		return -ENOMEM;
-
-	i2c_set_clientdata(client, menelaus);
-
-	the_menelaus = menelaus;
-	menelaus->client = client;
-
-	/* If a true probe check the device */
-	rev = menelaus_read_reg(MENELAUS_REV);
-	if (rev < 0) {
-		pr_err(DRIVER_NAME ": device not found");
-		err = -ENODEV;
-		goto fail1;
-	}
-
-	/* Ack and disable all Menelaus interrupts */
-	menelaus_write_reg(MENELAUS_INT_ACK1, 0xff);
-	menelaus_write_reg(MENELAUS_INT_ACK2, 0xff);
-	menelaus_write_reg(MENELAUS_INT_MASK1, 0xff);
-	menelaus_write_reg(MENELAUS_INT_MASK2, 0xff);
-	menelaus->mask1 = 0xff;
-	menelaus->mask2 = 0xff;
-
-	/* Set output buffer strengths */
-	menelaus_write_reg(MENELAUS_MCT_CTRL1, 0x73);
-
-	if (client->irq > 0) {
-		err = request_irq(client->irq, menelaus_irq, IRQF_DISABLED,
-				  DRIVER_NAME, menelaus);
-		if (err) {
-			dev_dbg(&client->dev,  "can't get IRQ %d, err %d\n",
-					client->irq, err);
-			goto fail1;
-		}
-	}
-
-	mutex_init(&menelaus->lock);
-	INIT_WORK(&menelaus->work, menelaus_work);
-
-	pr_info("Menelaus rev %d.%d\n", rev >> 4, rev & 0x0f);
-
-	val = menelaus_read_reg(MENELAUS_VCORE_CTRL1);
-	if (val < 0)
-		goto fail2;
-	if (val & (1 << 7))
-		menelaus->vcore_hw_mode = 1;
-	else
-		menelaus->vcore_hw_mode = 0;
-
-	if (menelaus_pdata != NULL && menelaus_pdata->late_init != NULL) {
-		err = menelaus_pdata->late_init(&client->dev);
-		if (err < 0)
-			goto fail2;
-	}
-
-	menelaus_rtc_init(menelaus);
-
-	return 0;
-fail2:
-	free_irq(client->irq, menelaus);
-	flush_scheduled_work();
-fail1:
-	kfree(menelaus);
-	return err;
-}
-
-static int __exit menelaus_remove(struct i2c_client *client)
-{
-	struct menelaus_chip	*menelaus = i2c_get_clientdata(client);
-
-	free_irq(client->irq, menelaus);
-	kfree(menelaus);
-	i2c_set_clientdata(client, NULL);
-	the_menelaus = NULL;
-	return 0;
-}
-
-static const struct i2c_device_id menelaus_id[] = {
-	{ "menelaus", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, menelaus_id);
-
-static struct i2c_driver menelaus_i2c_driver = {
-	.driver = {
-		.name		= DRIVER_NAME,
-	},
-	.probe		= menelaus_probe,
-	.remove		= __exit_p(menelaus_remove),
-	.id_table	= menelaus_id,
-};
-
-static int __init menelaus_init(void)
-{
-	int res;
-
-	res = i2c_add_driver(&menelaus_i2c_driver);
-	if (res < 0) {
-		pr_err(DRIVER_NAME ": driver registration failed\n");
-		return res;
-	}
-
-	return 0;
-}
-
-static void __exit menelaus_exit(void)
-{
-	i2c_del_driver(&menelaus_i2c_driver);
-
-	/* FIXME: Shutdown menelaus parts that can be shut down */
-}
-
-MODULE_AUTHOR("Texas Instruments, Inc. (and others)");
-MODULE_DESCRIPTION("I2C interface for Menelaus.");
-MODULE_LICENSE("GPL");
-
-module_init(menelaus_init);
-module_exit(menelaus_exit);
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);
-