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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-27 10:13:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-27 10:13:01 -0700
commitf7fc06e3a47d68831a21f6aabf2a80648846602b (patch)
treee167b892f133fba24d71ba1c93a854ea5d4517a0 /drivers
parentea0ca3a843babd50c22dfbb5cf2d9a14df821b2b (diff)
parentcb220d16f91f8d5fa1450c7af17e028e8cb3f0f1 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (42 commits) regulator: Fix _regulator_get_voltage if get_voltage callback is NULL USB: TWL6025 allow different regulator name REGULATOR: TWL6025: add support to twl-regulator regulator: twl6030: do not write to _GRP for regulator disable regulator: twl6030: do not write to _GRP for regulator enable TPS65911: Comparator: Add comparator driver TPS65911: Add support for added GPIO lines GPIO: TPS65910: Move driver to drivers/gpio/ TPS65911: Add new irq definitions regulator: tps65911: Add new chip version MFD: TPS65910: Add support for TPS65911 device regulator: Fix off-by-one value range checking for mc13xxx_regulator_get_voltage regulator: mc13892: Fix voltage unit in test case. regulator: Remove MAX8997_REG_BUCK1DVS/MAX8997_REG_BUCK2DVS/MAX8997_REG_BUCK5DVS macros mfd: Fix off-by-one value range checking for tps65910_i2c_write regulator: Only apply voltage constraints from consumers that set them regulator: If we can't configure optimum mode we're always in the best one regulator: max8997: remove useless code regulator: Fix memory leak in max8998_pmic_probe failure path regulator: Fix desc_id for tps65023/6507x/65910 ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpio/Kconfig7
-rw-r--r--drivers/gpio/Makefile1
-rw-r--r--drivers/gpio/tps65910-gpio.c100
-rw-r--r--drivers/mfd/Kconfig9
-rw-r--r--drivers/mfd/Makefile1
-rw-r--r--drivers/mfd/tps65910-irq.c218
-rw-r--r--drivers/mfd/tps65910.c229
-rw-r--r--drivers/mfd/tps65911-comparator.c188
-rw-r--r--drivers/regulator/Kconfig6
-rw-r--r--drivers/regulator/Makefile1
-rw-r--r--drivers/regulator/core.c93
-rw-r--r--drivers/regulator/max8997.c13
-rw-r--r--drivers/regulator/max8998.c22
-rw-r--r--drivers/regulator/mc13892-regulator.c18
-rw-r--r--drivers/regulator/mc13xxx-regulator-core.c2
-rw-r--r--drivers/regulator/tps6105x-regulator.c1
-rw-r--r--drivers/regulator/tps65023-regulator.c3
-rw-r--r--drivers/regulator/tps6507x-regulator.c3
-rw-r--r--drivers/regulator/tps65910-regulator.c993
-rw-r--r--drivers/regulator/twl-regulator.c564
-rw-r--r--drivers/regulator/wm831x-dcdc.c2
-rw-r--r--drivers/regulator/wm8400-regulator.c12
-rw-r--r--drivers/usb/otg/twl6030-usb.c10
23 files changed, 2355 insertions, 141 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index b57ec09af891..d21364603755 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -424,4 +424,11 @@ config AB8500_GPIO
depends on AB8500_CORE && BROKEN
help
Select this to enable the AB8500 IC GPIO driver
+
+config GPIO_TPS65910
+ bool "TPS65910 GPIO"
+ depends on MFD_TPS65910
+ help
+ Select this option to enable GPIO driver for the TPS65910
+ chip family.
endif
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index d92ce3a62ae5..6a3387acc0e5 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -40,3 +40,4 @@ obj-$(CONFIG_GPIO_SX150X) += sx150x.o
obj-$(CONFIG_GPIO_VX855) += vx855_gpio.o
obj-$(CONFIG_GPIO_ML_IOH) += ml_ioh_gpio.o
obj-$(CONFIG_AB8500_GPIO) += ab8500-gpio.o
+obj-$(CONFIG_GPIO_TPS65910) += tps65910-gpio.o
diff --git a/drivers/gpio/tps65910-gpio.c b/drivers/gpio/tps65910-gpio.c
new file mode 100644
index 000000000000..8d1ddfdd63eb
--- /dev/null
+++ b/drivers/gpio/tps65910-gpio.c
@@ -0,0 +1,100 @@
+/*
+ * tps65910-gpio.c -- TI TPS6591x
+ *
+ * Copyright 2010 Texas Instruments Inc.
+ *
+ * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ * Author: Jorge Eduardo Candelaria jedu@slimlogic.co.uk>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/mfd/tps65910.h>
+
+static int tps65910_gpio_get(struct gpio_chip *gc, unsigned offset)
+{
+ struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);
+ uint8_t val;
+
+ tps65910->read(tps65910, TPS65910_GPIO0 + offset, 1, &val);
+
+ if (val & GPIO_STS_MASK)
+ return 1;
+
+ return 0;
+}
+
+static void tps65910_gpio_set(struct gpio_chip *gc, unsigned offset,
+ int value)
+{
+ struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);
+
+ if (value)
+ tps65910_set_bits(tps65910, TPS65910_GPIO0 + offset,
+ GPIO_SET_MASK);
+ else
+ tps65910_clear_bits(tps65910, TPS65910_GPIO0 + offset,
+ GPIO_SET_MASK);
+}
+
+static int tps65910_gpio_output(struct gpio_chip *gc, unsigned offset,
+ int value)
+{
+ struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);
+
+ /* Set the initial value */
+ tps65910_gpio_set(gc, 0, value);
+
+ return tps65910_set_bits(tps65910, TPS65910_GPIO0 + offset,
+ GPIO_CFG_MASK);
+}
+
+static int tps65910_gpio_input(struct gpio_chip *gc, unsigned offset)
+{
+ struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);
+
+ return tps65910_clear_bits(tps65910, TPS65910_GPIO0 + offset,
+ GPIO_CFG_MASK);
+}
+
+void tps65910_gpio_init(struct tps65910 *tps65910, int gpio_base)
+{
+ int ret;
+
+ if (!gpio_base)
+ return;
+
+ tps65910->gpio.owner = THIS_MODULE;
+ tps65910->gpio.label = tps65910->i2c_client->name;
+ tps65910->gpio.dev = tps65910->dev;
+ tps65910->gpio.base = gpio_base;
+
+ switch(tps65910_chip_id(tps65910)) {
+ case TPS65910:
+ tps65910->gpio.ngpio = 6;
+ case TPS65911:
+ tps65910->gpio.ngpio = 9;
+ default:
+ return;
+ }
+ tps65910->gpio.can_sleep = 1;
+
+ tps65910->gpio.direction_input = tps65910_gpio_input;
+ tps65910->gpio.direction_output = tps65910_gpio_output;
+ tps65910->gpio.set = tps65910_gpio_set;
+ tps65910->gpio.get = tps65910_gpio_get;
+
+ ret = gpiochip_add(&tps65910->gpio);
+
+ if (ret)
+ dev_warn(tps65910->dev, "GPIO registration failed: %d\n", ret);
+}
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 8344fc0ab858..b6c267724e14 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -719,6 +719,15 @@ config MFD_PM8XXX_IRQ
This is required to use certain other PM 8xxx features, such as GPIO
and MPP.
+config MFD_TPS65910
+ bool "TPS65910 Power Management chip"
+ depends on I2C=y
+ select MFD_CORE
+ select GPIO_TPS65910
+ help
+ if you say yes here you get support for the TPS65910 series of
+ Power Management chips.
+
endif # MFD_SUPPORT
menu "Multimedia Capabilities Port drivers"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 1acb8f29a96c..efe3cc33ed92 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -93,3 +93,4 @@ obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o
obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o
obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o
obj-$(CONFIG_MFD_PM8XXX_IRQ) += pm8xxx-irq.o
+obj-$(CONFIG_MFD_TPS65910) += tps65910.o tps65910-irq.o
diff --git a/drivers/mfd/tps65910-irq.c b/drivers/mfd/tps65910-irq.c
new file mode 100644
index 000000000000..2bfad5c86cc7
--- /dev/null
+++ b/drivers/mfd/tps65910-irq.c
@@ -0,0 +1,218 @@
+/*
+ * tps65910-irq.c -- TI TPS6591x
+ *
+ * Copyright 2010 Texas Instruments Inc.
+ *
+ * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/bug.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/mfd/tps65910.h>
+
+static inline int irq_to_tps65910_irq(struct tps65910 *tps65910,
+ int irq)
+{
+ return (irq - tps65910->irq_base);
+}
+
+/*
+ * This is a threaded IRQ handler so can access I2C/SPI. Since all
+ * interrupts are clear on read the IRQ line will be reasserted and
+ * the physical IRQ will be handled again if another interrupt is
+ * asserted while we run - in the normal course of events this is a
+ * rare occurrence so we save I2C/SPI reads. We're also assuming that
+ * it's rare to get lots of interrupts firing simultaneously so try to
+ * minimise I/O.
+ */
+static irqreturn_t tps65910_irq(int irq, void *irq_data)
+{
+ struct tps65910 *tps65910 = irq_data;
+ u32 irq_sts;
+ u32 irq_mask;
+ u8 reg;
+ int i;
+
+ tps65910->read(tps65910, TPS65910_INT_STS, 1, &reg);
+ irq_sts = reg;
+ tps65910->read(tps65910, TPS65910_INT_STS2, 1, &reg);
+ irq_sts |= reg << 8;
+ switch (tps65910_chip_id(tps65910)) {
+ case TPS65911:
+ tps65910->read(tps65910, TPS65910_INT_STS3, 1, &reg);
+ irq_sts |= reg << 16;
+ }
+
+ tps65910->read(tps65910, TPS65910_INT_MSK, 1, &reg);
+ irq_mask = reg;
+ tps65910->read(tps65910, TPS65910_INT_MSK2, 1, &reg);
+ irq_mask |= reg << 8;
+ switch (tps65910_chip_id(tps65910)) {
+ case TPS65911:
+ tps65910->read(tps65910, TPS65910_INT_MSK3, 1, &reg);
+ irq_mask |= reg << 16;
+ }
+
+ irq_sts &= ~irq_mask;
+
+ if (!irq_sts)
+ return IRQ_NONE;
+
+ for (i = 0; i < tps65910->irq_num; i++) {
+
+ if (!(irq_sts & (1 << i)))
+ continue;
+
+ handle_nested_irq(tps65910->irq_base + i);
+ }
+
+ /* Write the STS register back to clear IRQs we handled */
+ reg = irq_sts & 0xFF;
+ irq_sts >>= 8;
+ tps65910->write(tps65910, TPS65910_INT_STS, 1, &reg);
+ reg = irq_sts & 0xFF;
+ tps65910->write(tps65910, TPS65910_INT_STS2, 1, &reg);
+ switch (tps65910_chip_id(tps65910)) {
+ case TPS65911:
+ reg = irq_sts >> 8;
+ tps65910->write(tps65910, TPS65910_INT_STS3, 1, &reg);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void tps65910_irq_lock(struct irq_data *data)
+{
+ struct tps65910 *tps65910 = irq_data_get_irq_chip_data(data);
+
+ mutex_lock(&tps65910->irq_lock);
+}
+
+static void tps65910_irq_sync_unlock(struct irq_data *data)
+{
+ struct tps65910 *tps65910 = irq_data_get_irq_chip_data(data);
+ u32 reg_mask;
+ u8 reg;
+
+ tps65910->read(tps65910, TPS65910_INT_MSK, 1, &reg);
+ reg_mask = reg;
+ tps65910->read(tps65910, TPS65910_INT_MSK2, 1, &reg);
+ reg_mask |= reg << 8;
+ switch (tps65910_chip_id(tps65910)) {
+ case TPS65911:
+ tps65910->read(tps65910, TPS65910_INT_MSK3, 1, &reg);
+ reg_mask |= reg << 16;
+ }
+
+ if (tps65910->irq_mask != reg_mask) {
+ reg = tps65910->irq_mask & 0xFF;
+ tps65910->write(tps65910, TPS65910_INT_MSK, 1, &reg);
+ reg = tps65910->irq_mask >> 8 & 0xFF;
+ tps65910->write(tps65910, TPS65910_INT_MSK2, 1, &reg);
+ switch (tps65910_chip_id(tps65910)) {
+ case TPS65911:
+ reg = tps65910->irq_mask >> 16;
+ tps65910->write(tps65910, TPS65910_INT_MSK3, 1, &reg);
+ }
+ }
+ mutex_unlock(&tps65910->irq_lock);
+}
+
+static void tps65910_irq_enable(struct irq_data *data)
+{
+ struct tps65910 *tps65910 = irq_data_get_irq_chip_data(data);
+
+ tps65910->irq_mask &= ~( 1 << irq_to_tps65910_irq(tps65910, data->irq));
+}
+
+static void tps65910_irq_disable(struct irq_data *data)
+{
+ struct tps65910 *tps65910 = irq_data_get_irq_chip_data(data);
+
+ tps65910->irq_mask |= ( 1 << irq_to_tps65910_irq(tps65910, data->irq));
+}
+
+static struct irq_chip tps65910_irq_chip = {
+ .name = "tps65910",
+ .irq_bus_lock = tps65910_irq_lock,
+ .irq_bus_sync_unlock = tps65910_irq_sync_unlock,
+ .irq_disable = tps65910_irq_disable,
+ .irq_enable = tps65910_irq_enable,
+};
+
+int tps65910_irq_init(struct tps65910 *tps65910, int irq,
+ struct tps65910_platform_data *pdata)
+{
+ int ret, cur_irq;
+ int flags = IRQF_ONESHOT;
+
+ if (!irq) {
+ dev_warn(tps65910->dev, "No interrupt support, no core IRQ\n");
+ return -EINVAL;
+ }
+
+ if (!pdata || !pdata->irq_base) {
+ dev_warn(tps65910->dev, "No interrupt support, no IRQ base\n");
+ return -EINVAL;
+ }
+
+ tps65910->irq_mask = 0xFFFFFF;
+
+ mutex_init(&tps65910->irq_lock);
+ tps65910->chip_irq = irq;
+ tps65910->irq_base = pdata->irq_base;
+
+ switch (tps65910_chip_id(tps65910)) {
+ case TPS65910:
+ tps65910->irq_num = TPS65910_NUM_IRQ;
+ case TPS65911:
+ tps65910->irq_num = TPS65911_NUM_IRQ;
+ }
+
+ /* Register with genirq */
+ for (cur_irq = tps65910->irq_base;
+ cur_irq < tps65910->irq_num + tps65910->irq_base;
+ cur_irq++) {
+ irq_set_chip_data(cur_irq, tps65910);
+ irq_set_chip_and_handler(cur_irq, &tps65910_irq_chip,
+ handle_edge_irq);
+ irq_set_nested_thread(cur_irq, 1);
+
+ /* ARM needs us to explicitly flag the IRQ as valid
+ * and will set them noprobe when we do so. */
+#ifdef CONFIG_ARM
+ set_irq_flags(cur_irq, IRQF_VALID);
+#else
+ irq_set_noprobe(cur_irq);
+#endif
+ }
+
+ ret = request_threaded_irq(irq, NULL, tps65910_irq, flags,
+ "tps65910", tps65910);
+
+ irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
+
+ if (ret != 0)
+ dev_err(tps65910->dev, "Failed to request IRQ: %d\n", ret);
+
+ return ret;
+}
+
+int tps65910_irq_exit(struct tps65910 *tps65910)
+{
+ free_irq(tps65910->chip_irq, tps65910);
+ return 0;
+}
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
new file mode 100644
index 000000000000..2229e66d80db
--- /dev/null
+++ b/drivers/mfd/tps65910.c
@@ -0,0 +1,229 @@
+/*
+ * tps65910.c -- TI TPS6591x
+ *
+ * Copyright 2010 Texas Instruments Inc.
+ *
+ * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tps65910.h>
+
+static struct mfd_cell tps65910s[] = {
+ {
+ .name = "tps65910-pmic",
+ },
+ {
+ .name = "tps65910-rtc",
+ },
+ {
+ .name = "tps65910-power",
+ },
+};
+
+
+static int tps65910_i2c_read(struct tps65910 *tps65910, u8 reg,
+ int bytes, void *dest)
+{
+ struct i2c_client *i2c = tps65910->i2c_client;
+ struct i2c_msg xfer[2];
+ int ret;
+
+ /* Write register */
+ xfer[0].addr = i2c->addr;
+ xfer[0].flags = 0;
+ xfer[0].len = 1;
+ xfer[0].buf = &reg;
+
+ /* Read data */
+ xfer[1].addr = i2c->addr;
+ xfer[1].flags = I2C_M_RD;
+ xfer[1].len = bytes;
+ xfer[1].buf = dest;
+
+ ret = i2c_transfer(i2c->adapter, xfer, 2);
+ if (ret == 2)
+ ret = 0;
+ else if (ret >= 0)
+ ret = -EIO;
+
+ return ret;
+}
+
+static int tps65910_i2c_write(struct tps65910 *tps65910, u8 reg,
+ int bytes, void *src)
+{
+ struct i2c_client *i2c = tps65910->i2c_client;
+ /* we add 1 byte for device register */
+ u8 msg[TPS65910_MAX_REGISTER + 1];
+ int ret;
+
+ if (bytes > TPS65910_MAX_REGISTER)
+ return -EINVAL;
+
+ msg[0] = reg;
+ memcpy(&msg[1], src, bytes);
+
+ ret = i2c_master_send(i2c, msg, bytes + 1);
+ if (ret < 0)
+ return ret;
+ if (ret != bytes + 1)
+ return -EIO;
+ return 0;
+}
+
+int tps65910_set_bits(struct tps65910 *tps65910, u8 reg, u8 mask)
+{
+ u8 data;
+ int err;
+
+ mutex_lock(&tps65910->io_mutex);
+ err = tps65910_i2c_read(tps65910, reg, 1, &data);
+ if (err) {
+ dev_err(tps65910->dev, "read from reg %x failed\n", reg);
+ goto out;
+ }
+
+ data |= mask;
+ err = tps65910_i2c_write(tps65910, reg, 1, &data);
+ if (err)
+ dev_err(tps65910->dev, "write to reg %x failed\n", reg);
+
+out:
+ mutex_unlock(&tps65910->io_mutex);
+ return err;
+}
+EXPORT_SYMBOL_GPL(tps65910_set_bits);
+
+int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask)
+{
+ u8 data;
+ int err;
+
+ mutex_lock(&tps65910->io_mutex);
+ err = tps65910_i2c_read(tps65910, reg, 1, &data);
+ if (err) {
+ dev_err(tps65910->dev, "read from reg %x failed\n", reg);
+ goto out;
+ }
+
+ data &= mask;
+ err = tps65910_i2c_write(tps65910, reg, 1, &data);
+ if (err)
+ dev_err(tps65910->dev, "write to reg %x failed\n", reg);
+
+out:
+ mutex_unlock(&tps65910->io_mutex);
+ return err;
+}
+EXPORT_SYMBOL_GPL(tps65910_clear_bits);
+
+static int tps65910_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct tps65910 *tps65910;
+ struct tps65910_board *pmic_plat_data;
+ struct tps65910_platform_data *init_data;
+ int ret = 0;
+
+ pmic_plat_data = dev_get_platdata(&i2c->dev);
+ if (!pmic_plat_data)
+ return -EINVAL;
+
+ init_data = kzalloc(sizeof(struct tps65910_platform_data), GFP_KERNEL);
+ if (init_data == NULL)
+ return -ENOMEM;
+
+ init_data->irq = pmic_plat_data->irq;
+ init_data->irq_base = pmic_plat_data->irq;
+
+ tps65910 = kzalloc(sizeof(struct tps65910), GFP_KERNEL);
+ if (tps65910 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, tps65910);
+ tps65910->dev = &i2c->dev;
+ tps65910->i2c_client = i2c;
+ tps65910->id = id->driver_data;
+ tps65910->read = tps65910_i2c_read;
+ tps65910->write = tps65910_i2c_write;
+ mutex_init(&tps65910->io_mutex);
+
+ ret = mfd_add_devices(tps65910->dev, -1,
+ tps65910s, ARRAY_SIZE(tps65910s),
+ NULL, 0);
+ if (ret < 0)
+ goto err;
+
+ tps65910_gpio_init(tps65910, pmic_plat_data->gpio_base);
+
+ ret = tps65910_irq_init(tps65910, init_data->irq, init_data);
+ if (ret < 0)
+ goto err;
+
+ return ret;
+
+err:
+ mfd_remove_devices(tps65910->dev);
+ kfree(tps65910);
+ return ret;
+}
+
+static int tps65910_i2c_remove(struct i2c_client *i2c)
+{
+ struct tps65910 *tps65910 = i2c_get_clientdata(i2c);
+
+ mfd_remove_devices(tps65910->dev);
+ kfree(tps65910);
+
+ return 0;
+}
+
+static const struct i2c_device_id tps65910_i2c_id[] = {
+ { "tps65910", TPS65910 },
+ { "tps65911", TPS65911 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tps65910_i2c_id);
+
+
+static struct i2c_driver tps65910_i2c_driver = {
+ .driver = {
+ .name = "tps65910",
+ .owner = THIS_MODULE,
+ },
+ .probe = tps65910_i2c_probe,
+ .remove = tps65910_i2c_remove,
+ .id_table = tps65910_i2c_id,
+};
+
+static int __init tps65910_i2c_init(void)
+{
+ return i2c_add_driver(&tps65910_i2c_driver);
+}
+/* init early so consumer devices can complete system boot */
+subsys_initcall(tps65910_i2c_init);
+
+static void __exit tps65910_i2c_exit(void)
+{
+ i2c_del_driver(&tps65910_i2c_driver);
+}
+module_exit(tps65910_i2c_exit);
+
+MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
+MODULE_AUTHOR("Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>");
+MODULE_DESCRIPTION("TPS6591x chip family multi-function driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/tps65911-comparator.c b/drivers/mfd/tps65911-comparator.c
new file mode 100644
index 000000000000..3d2dc56a3d40
--- /dev/null
+++ b/drivers/mfd/tps65911-comparator.c
@@ -0,0 +1,188 @@
+/*
+ * tps65910.c -- TI TPS6591x
+ *
+ * Copyright 2010 Texas Instruments Inc.
+ *
+ * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/debugfs.h>
+#include <linux/gpio.h>
+#include <linux/mfd/tps65910.h>
+
+#define COMP 0
+#define COMP1 1
+#define COMP2 2
+
+/* Comparator 1 voltage selection table in milivolts */
+static const u16 COMP_VSEL_TABLE[] = {
+ 0, 2500, 2500, 2500, 2500, 2550, 2600, 2650,
+ 2700, 2750, 2800, 2850, 2900, 2950, 3000, 3050,
+ 3100, 3150, 3200, 3250, 3300, 3350, 3400, 3450,
+ 3500,
+};
+
+struct comparator {
+ const char *name;
+ int reg;
+ int uV_max;
+ const u16 *vsel_table;
+};
+
+static struct comparator tps_comparators[] = {
+ {
+ .name = "COMP1",
+ .reg = TPS65911_VMBCH,
+ .uV_max = 3500,
+ .vsel_table = COMP_VSEL_TABLE,
+ },
+ {
+ .name = "COMP2",
+ .reg = TPS65911_VMBCH2,
+ .uV_max = 3500,
+ .vsel_table = COMP_VSEL_TABLE,
+ },
+};
+
+static int comp_threshold_set(struct tps65910 *tps65910, int id, int voltage)
+{
+ struct comparator tps_comp = tps_comparators[id];
+ int curr_voltage = 0;
+ int ret;
+ u8 index = 0, val;
+
+ if (id == COMP)
+ return 0;
+
+ while (curr_voltage < tps_comp.uV_max) {
+ curr_voltage = tps_comp.vsel_table[index];
+ if (curr_voltage >= voltage)
+ break;
+ else if (curr_voltage < voltage)
+ index ++;
+ }
+
+ if (curr_voltage > tps_comp.uV_max)
+ return -EINVAL;
+
+ val = index << 1;
+ ret = tps65910->write(tps65910, tps_comp.reg, 1, &val);
+
+ return ret;
+}
+
+static int comp_threshold_get(struct tps65910 *tps65910, int id)
+{
+ struct comparator tps_comp = tps_comparators[id];
+ int ret;
+ u8 val;
+
+ if (id == COMP)
+ return 0;
+
+ ret = tps65910->read(tps65910, tps_comp.reg, 1, &val);
+ if (ret < 0)
+ return ret;
+
+ val >>= 1;
+ return tps_comp.vsel_table[val];
+}
+
+static ssize_t comp_threshold_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct tps65910 *tps65910 = dev_get_drvdata(dev->parent);
+ struct attribute comp_attr = attr->attr;
+ int id, uVolt;
+
+ if (!strcmp(comp_attr.name, "comp1_threshold"))
+ id = COMP1;
+ else if (!strcmp(comp_attr.name, "comp2_threshold"))
+ id = COMP2;
+ else
+ return -EINVAL;
+
+ uVolt = comp_threshold_get(tps65910, id);
+
+ return sprintf(buf, "%d\n", uVolt);
+}
+
+static DEVICE_ATTR(comp1_threshold, S_IRUGO, comp_threshold_show, NULL);
+static DEVICE_ATTR(comp2_threshold, S_IRUGO, comp_threshold_show, NULL);
+
+static __devinit int tps65911_comparator_probe(struct platform_device *pdev)
+{
+ struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
+ struct tps65910_platform_data *pdata = dev_get_platdata(tps65910->dev);
+ int ret;
+
+ ret = comp_threshold_set(tps65910, COMP1, pdata->vmbch_threshold);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "cannot set COMP1 threshold\n");
+ return ret;
+ }
+
+ ret = comp_threshold_set(tps65910, COMP2, pdata->vmbch2_threshold);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "cannot set COMP2 theshold\n");
+ return ret;
+ }
+
+ /* Create sysfs entry */
+ ret = device_create_file(&pdev->dev, &dev_attr_comp1_threshold);
+ if (ret < 0)
+ dev_err(&pdev->dev, "failed to add COMP1 sysfs file\n");
+
+ ret = device_create_file(&pdev->dev, &dev_attr_comp2_threshold);
+ if (ret < 0)
+ dev_err(&pdev->dev, "failed to add COMP2 sysfs file\n");
+
+ return ret;
+}
+
+static __devexit int tps65911_comparator_remove(struct platform_device *pdev)
+{
+ struct tps65910 *tps65910;
+
+ tps65910 = dev_get_drvdata(pdev->dev.parent);
+
+ return 0;
+}
+
+static struct platform_driver tps65911_comparator_driver = {
+ .driver = {
+ .name = "tps65911-comparator",
+ .owner = THIS_MODULE,
+ },
+ .probe = tps65911_comparator_probe,
+ .remove = __devexit_p(tps65911_comparator_remove),
+};
+
+static int __init tps65911_comparator_init(void)
+{
+ return platform_driver_register(&tps65911_comparator_driver);
+}
+subsys_initcall(tps65911_comparator_init);
+
+static void __exit tps65911_comparator_exit(void)
+{
+ platform_driver_unregister(&tps65911_comparator_driver);
+}
+module_exit(tps65911_comparator_exit);
+
+MODULE_AUTHOR("Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>");
+MODULE_DESCRIPTION("TPS65911 comparator driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tps65911-comparator");
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index f0b13a0d1851..d7ed20f293d7 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -297,5 +297,11 @@ config REGULATOR_TPS6524X
serial interface currently supported on the sequencer serial
port controller.
+config REGULATOR_TPS65910
+ tristate "TI TPS65910 Power Regulator"
+ depends on MFD_TPS65910
+ help
+ This driver supports TPS65910 voltage regulator chips.
+
endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 165ff5371e9e..3932d2ec38f3 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -42,5 +42,6 @@ obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
+obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 0fae51c4845a..d3e38790906e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -158,6 +158,13 @@ static int regulator_check_consumers(struct regulator_dev *rdev,
struct regulator *regulator;
list_for_each_entry(regulator, &rdev->consumer_list, list) {
+ /*
+ * Assume consumers that didn't say anything are OK
+ * with anything in the constraint range.
+ */
+ if (!regulator->min_uV && !regulator->max_uV)
+ continue;
+
if (*max_uV > regulator->max_uV)
*max_uV = regulator->max_uV;
if (*min_uV < regulator->min_uV)
@@ -197,9 +204,9 @@ static int regulator_check_current_limit(struct regulator_dev *rdev,
}
/* operating mode constraint check */
-static int regulator_check_mode(struct regulator_dev *rdev, int mode)
+static int regulator_mode_constrain(struct regulator_dev *rdev, int *mode)
{
- switch (mode) {
+ switch (*mode) {
case REGULATOR_MODE_FAST:
case REGULATOR_MODE_NORMAL:
case REGULATOR_MODE_IDLE:
@@ -217,11 +224,17 @@ static int regulator_check_mode(struct regulator_dev *rdev, int mode)
rdev_err(rdev, "operation not allowed\n");
return -EPERM;
}
- if (!(rdev->constraints->valid_modes_mask & mode)) {
- rdev_err(rdev, "invalid mode %x\n", mode);
- return -EINVAL;
+
+ /* The modes are bitmasks, the most power hungry modes having
+ * the lowest values. If the requested mode isn't supported
+ * try higher modes. */
+ while (*mode) {
+ if (rdev->constraints->valid_modes_mask & *mode)
+ return 0;
+ *mode /= 2;
}
- return 0;
+
+ return -EINVAL;
}
/* dynamic regulator mode switching constraint check */
@@ -612,7 +625,7 @@ static void drms_uA_update(struct regulator_dev *rdev)
output_uV, current_uA);
/* check the new mode is allowed */
- err = regulator_check_mode(rdev, mode);
+ err = regulator_mode_constrain(rdev, &mode);
if (err == 0)
rdev->desc->ops->set_mode(rdev, mode);
}
@@ -718,6 +731,10 @@ static void print_constraints(struct regulator_dev *rdev)
count += sprintf(buf + count, "at %d mV ", ret / 1000);
}
+ if (constraints->uV_offset)
+ count += sprintf(buf, "%dmV offset ",
+ constraints->uV_offset / 1000);
+
if (constraints->min_uA && constraints->max_uA) {
if (constraints->min_uA == constraints->max_uA)
count += sprintf(buf + count, "%d mA ",
@@ -1498,13 +1515,14 @@ static int _regulator_force_disable(struct regulator_dev *rdev,
*/
int regulator_force_disable(struct regulator *regulator)
{
+ struct regulator_dev *rdev = regulator->rdev;
struct regulator_dev *supply_rdev = NULL;
int ret;
- mutex_lock(&regulator->rdev->mutex);
+ mutex_lock(&rdev->mutex);
regulator->uA_load = 0;
- ret = _regulator_force_disable(regulator->rdev, &supply_rdev);
- mutex_unlock(&regulator->rdev->mutex);
+ ret = _regulator_force_disable(rdev, &supply_rdev);
+ mutex_unlock(&rdev->mutex);
if (supply_rdev)
regulator_disable(get_device_regulator(rdev_get_dev(supply_rdev)));
@@ -1634,6 +1652,9 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
trace_regulator_set_voltage(rdev_get_name(rdev), min_uV, max_uV);
+ min_uV += rdev->constraints->uV_offset;
+ max_uV += rdev->constraints->uV_offset;
+
if (rdev->desc->ops->set_voltage) {
ret = rdev->desc->ops->set_voltage(rdev, min_uV, max_uV,
&selector);
@@ -1858,18 +1879,22 @@ EXPORT_SYMBOL_GPL(regulator_sync_voltage);
static int _regulator_get_voltage(struct regulator_dev *rdev)
{
- int sel;
+ int sel, ret;
if (rdev->desc->ops->get_voltage_sel) {
sel = rdev->desc->ops->get_voltage_sel(rdev);
if (sel < 0)
return sel;
- return rdev->desc->ops->list_voltage(rdev, sel);
- }
- if (rdev->desc->ops->get_voltage)
- return rdev->desc->ops->get_voltage(rdev);
- else
+ ret = rdev->desc->ops->list_voltage(rdev, sel);
+ } else if (rdev->desc->ops->get_voltage) {
+ ret = rdev->desc->ops->get_voltage(rdev);
+ } else {
return -EINVAL;
+ }
+
+ if (ret < 0)
+ return ret;
+ return ret - rdev->constraints->uV_offset;
}
/**
@@ -2005,7 +2030,7 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode)
}
/* constraints check */
- ret = regulator_check_mode(rdev, mode);
+ ret = regulator_mode_constrain(rdev, &mode);
if (ret < 0)
goto out;
@@ -2081,16 +2106,26 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load)
mutex_lock(&rdev->mutex);
+ /*
+ * first check to see if we can set modes at all, otherwise just
+ * tell the consumer everything is OK.
+ */
regulator->uA_load = uA_load;
ret = regulator_check_drms(rdev);
- if (ret < 0)
+ if (ret < 0) {
+ ret = 0;
goto out;
- ret = -EINVAL;
+ }
- /* sanity check */
if (!rdev->desc->ops->get_optimum_mode)
goto out;
+ /*
+ * we can actually do this so any errors are indicators of
+ * potential real failure.
+ */
+ ret = -EINVAL;
+
/* get output voltage */
output_uV = _regulator_get_voltage(rdev);
if (output_uV <= 0) {
@@ -2116,7 +2151,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load)
mode = rdev->desc->ops->get_optimum_mode(rdev,
input_uV, output_uV,
total_uA_load);
- ret = regulator_check_mode(rdev, mode);
+ ret = regulator_mode_constrain(rdev, &mode);
if (ret < 0) {
rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV\n",
total_uA_load, input_uV, output_uV);
@@ -2589,14 +2624,6 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
if (ret < 0)
goto scrub;
- /* set supply regulator if it exists */
- if (init_data->supply_regulator && init_data->supply_regulator_dev) {
- dev_err(dev,
- "Supply regulator specified by both name and dev\n");
- ret = -EINVAL;
- goto scrub;
- }
-
if (init_data->supply_regulator) {
struct regulator_dev *r;
int found = 0;
@@ -2621,14 +2648,6 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
goto scrub;
}
- if (init_data->supply_regulator_dev) {
- dev_warn(dev, "Uses supply_regulator_dev instead of regulator_supply\n");
- ret = set_supply(rdev,
- dev_get_drvdata(init_data->supply_regulator_dev));
- if (ret < 0)
- goto scrub;
- }
-
/* add consumers devices */
for (i = 0; i < init_data->num_consumer_supplies; i++) {
ret = set_consumer_device_supply(rdev,
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 77e0cfb30b23..10d5a1d9768e 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -267,7 +267,6 @@ static int max8997_get_enable_register(struct regulator_dev *rdev,
default:
/* Not controllable or not exists */
return -EINVAL;
- break;
}
return 0;
@@ -1033,11 +1032,11 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
/* For the safety, set max voltage before setting up */
for (i = 0; i < 8; i++) {
- max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS(i + 1),
+ max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS1 + i,
max_buck1, 0x3f);
- max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS(i + 1),
+ max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS1 + i,
max_buck2, 0x3f);
- max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS(i + 1),
+ max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS1 + i,
max_buck5, 0x3f);
}
@@ -1114,13 +1113,13 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
/* Initialize all the DVS related BUCK registers */
for (i = 0; i < 8; i++) {
- max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS(i + 1),
+ max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS1 + i,
max8997->buck1_vol[i],
0x3f);
- max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS(i + 1),
+ max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS1 + i,
max8997->buck2_vol[i],
0x3f);
- max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS(i + 1),
+ max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS1 + i,
max8997->buck5_vol[i],
0x3f);
}
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index f57e9c42fdb4..41a1495eec2b 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -732,13 +732,15 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
if (!pdata->buck1_set1) {
printk(KERN_ERR "MAX8998 SET1 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck1_set1);
- return -EIO;
+ ret = -EIO;
+ goto err_free_mem;
}
/* Check if SET2 is not equal to 0 */
if (!pdata->buck1_set2) {
printk(KERN_ERR "MAX8998 SET2 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck1_set2);
- return -EIO;
+ ret = -EIO;
+ goto err_free_mem;
}
gpio_request(pdata->buck1_set1, "MAX8998 BUCK1_SET1");
@@ -758,7 +760,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1, i);
if (ret)
- return ret;
+ goto err_free_mem;
/* Set predefined value for BUCK1 register 2 */
i = 0;
@@ -770,7 +772,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE2, i);
if (ret)
- return ret;
+ goto err_free_mem;
/* Set predefined value for BUCK1 register 3 */
i = 0;
@@ -782,7 +784,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[2] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE3, i);
if (ret)
- return ret;
+ goto err_free_mem;
/* Set predefined value for BUCK1 register 4 */
i = 0;
@@ -794,7 +796,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[3] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE4, i);
if (ret)
- return ret;
+ goto err_free_mem;
}
@@ -803,7 +805,8 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
if (!pdata->buck2_set3) {
printk(KERN_ERR "MAX8998 SET3 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck2_set3);
- return -EIO;
+ ret = -EIO;
+ goto err_free_mem;
}
gpio_request(pdata->buck2_set3, "MAX8998 BUCK2_SET3");
gpio_direction_output(pdata->buck2_set3,
@@ -818,7 +821,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck2_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1, i);
if (ret)
- return ret;
+ goto err_free_mem;
/* BUCK2 register 2 */
i = 0;
@@ -830,7 +833,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck2_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i);
if (ret)
- return ret;
+ goto err_free_mem;
}
for (i = 0; i < pdata->num_regulators; i++) {
@@ -860,6 +863,7 @@ err:
if (rdev[i])
regulator_unregister(rdev[i]);
+err_free_mem:
kfree(max8998->rdev);
kfree(max8998);
diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index 1b8f7398a4a8..3285d41842f2 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -431,7 +431,8 @@ static int mc13892_sw_regulator_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
- int hi, value, val, mask, id = rdev_get_id(rdev);
+ int hi, value, mask, id = rdev_get_id(rdev);
+ u32 valread;
int ret;
dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n",
@@ -447,15 +448,16 @@ static int mc13892_sw_regulator_set_voltage(struct regulator_dev *rdev,
mc13xxx_lock(priv->mc13xxx);
ret = mc13xxx_reg_read(priv->mc13xxx,
- mc13892_regulators[id].vsel_reg, &val);
+ mc13892_regulators[id].vsel_reg, &valread);
if (ret)
goto err;
- hi = val & MC13892_SWITCHERS0_SWxHI;
- if (value > 1375)
+ if (value > 1375000)
hi = 1;
- if (value < 1100)
+ else if (value < 1100000)
hi = 0;
+ else
+ hi = valread & MC13892_SWITCHERS0_SWxHI;
if (hi) {
value = (value - 1100000) / 25000;
@@ -464,8 +466,10 @@ static int mc13892_sw_regulator_set_voltage(struct regulator_dev *rdev,
value = (value - 600000) / 25000;
mask = mc13892_regulators[id].vsel_mask | MC13892_SWITCHERS0_SWxHI;
- ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13892_regulators[id].vsel_reg,
- mask, value << mc13892_regulators[id].vsel_shift);
+ valread = (valread & ~mask) |
+ (value << mc13892_regulators[id].vsel_shift);
+ ret = mc13xxx_reg_write(priv->mc13xxx, mc13892_regulators[id].vsel_reg,
+ valread);
err:
mc13xxx_unlock(priv->mc13xxx);
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c
index 2bb5de1f2421..bc27ab136378 100644
--- a/drivers/regulator/mc13xxx-regulator-core.c
+++ b/drivers/regulator/mc13xxx-regulator-core.c
@@ -174,7 +174,7 @@ static int mc13xxx_regulator_get_voltage(struct regulator_dev *rdev)
dev_dbg(rdev_get_dev(rdev), "%s id: %d val: %d\n", __func__, id, val);
- BUG_ON(val > mc13xxx_regulators[id].desc.n_voltages);
+ BUG_ON(val >= mc13xxx_regulators[id].desc.n_voltages);
return mc13xxx_regulators[id].voltages[val];
}
diff --git a/drivers/regulator/tps6105x-regulator.c b/drivers/regulator/tps6105x-regulator.c
index a4d7f4540c18..1011873896dc 100644
--- a/drivers/regulator/tps6105x-regulator.c
+++ b/drivers/regulator/tps6105x-regulator.c
@@ -158,6 +158,7 @@ static int __devinit tps6105x_regulator_probe(struct platform_device *pdev)
"failed to register regulator\n");
return ret;
}
+ platform_set_drvdata(pdev, tps6105x);
return 0;
}
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 60a7ca5409e9..fbddc15e1811 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -466,7 +466,6 @@ static struct regulator_ops tps65023_ldo_ops = {
static int __devinit tps_65023_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- static int desc_id;
const struct tps_info *info = (void *)id->driver_data;
struct regulator_init_data *init_data;
struct regulator_dev *rdev;
@@ -499,7 +498,7 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
tps->info[i] = info;
tps->desc[i].name = info->name;
- tps->desc[i].id = desc_id++;
+ tps->desc[i].id = i;
tps->desc[i].n_voltages = num_voltages[i];
tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
&tps65023_ldo_ops : &tps65023_dcdc_ops);
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 064755290599..bfffabc21eda 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -553,7 +553,6 @@ static __devinit
int tps6507x_pmic_probe(struct platform_device *pdev)
{
struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
- static int desc_id;
struct tps_info *info = &tps6507x_pmic_regs[0];
struct regulator_init_data *init_data;
struct regulator_dev *rdev;
@@ -598,7 +597,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
}
tps->desc[i].name = info->name;
- tps->desc[i].id = desc_id++;
+ tps->desc[i].id = i;
tps->desc[i].n_voltages = num_voltages[i];
tps->desc[i].ops = (i > TPS6507X_DCDC_3 ?
&tps6507x_pmic_ldo_ops : &tps6507x_pmic_dcdc_ops);
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
new file mode 100644
index 000000000000..55dd4e6650db
--- /dev/null
+++ b/drivers/regulator/tps65910-regulator.c
@@ -0,0 +1,993 @@
+/*
+ * tps65910.c -- TI tps65910
+ *
+ * Copyright 2010 Texas Instruments Inc.
+ *
+ * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ * Author: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/mfd/tps65910.h>
+
+#define TPS65910_REG_VRTC 0
+#define TPS65910_REG_VIO 1
+#define TPS65910_REG_VDD1 2
+#define TPS65910_REG_VDD2 3
+#define TPS65910_REG_VDD3 4
+#define TPS65910_REG_VDIG1 5
+#define TPS65910_REG_VDIG2 6
+#define TPS65910_REG_VPLL 7
+#define TPS65910_REG_VDAC 8
+#define TPS65910_REG_VAUX1 9
+#define TPS65910_REG_VAUX2 10
+#define TPS65910_REG_VAUX33 11
+#define TPS65910_REG_VMMC 12
+
+#define TPS65911_REG_VDDCTRL 4
+#define TPS65911_REG_LDO1 5
+#define TPS65911_REG_LDO2 6
+#define TPS65911_REG_LDO3 7
+#define TPS65911_REG_LDO4 8
+#define TPS65911_REG_LDO5 9
+#define TPS65911_REG_LDO6 10
+#define TPS65911_REG_LDO7 11
+#define TPS65911_REG_LDO8 12
+
+#define TPS65910_NUM_REGULATOR 13
+#define TPS65910_SUPPLY_STATE_ENABLED 0x1
+
+/* supported VIO voltages in milivolts */
+static const u16 VIO_VSEL_table[] = {
+ 1500, 1800, 2500, 3300,
+};
+
+/* VSEL tables for TPS65910 specific LDOs and dcdc's */
+
+/* supported VDD3 voltages in milivolts */
+static const u16 VDD3_VSEL_table[] = {
+ 5000,
+};
+
+/* supported VDIG1 voltages in milivolts */
+static const u16 VDIG1_VSEL_table[] = {
+ 1200, 1500, 1800, 2700,
+};
+
+/* supported VDIG2 voltages in milivolts */
+static const u16 VDIG2_VSEL_table[] = {
+ 1000, 1100, 1200, 1800,
+};
+
+/* supported VPLL voltages in milivolts */
+static const u16 VPLL_VSEL_table[] = {
+ 1000, 1100, 1800, 2500,
+};
+
+/* supported VDAC voltages in milivolts */
+static const u16 VDAC_VSEL_table[] = {
+ 1800, 2600, 2800, 2850,
+};
+
+/* supported VAUX1 voltages in milivolts */
+static const u16 VAUX1_VSEL_table[] = {
+ 1800, 2500, 2800, 2850,
+};
+
+/* supported VAUX2 voltages in milivolts */
+static const u16 VAUX2_VSEL_table[] = {
+ 1800, 2800, 2900, 3300,
+};
+
+/* supported VAUX33 voltages in milivolts */
+static const u16 VAUX33_VSEL_table[] = {
+ 1800, 2000, 2800, 3300,
+};
+
+/* supported VMMC voltages in milivolts */
+static const u16 VMMC_VSEL_table[] = {
+ 1800, 2800, 3000, 3300,
+};
+
+struct tps_info {
+ const char *name;
+ unsigned min_uV;
+ unsigned max_uV;
+ u8 table_len;
+ const u16 *table;
+};
+
+static struct tps_info tps65910_regs[] = {
+ {
+ .name = "VRTC",
+ },
+ {
+ .name = "VIO",
+ .min_uV = 1500000,
+ .max_uV = 3300000,
+ .table_len = ARRAY_SIZE(VIO_VSEL_table),
+ .table = VIO_VSEL_table,
+ },
+ {
+ .name = "VDD1",
+ .min_uV = 600000,
+ .max_uV = 4500000,
+ },
+ {
+ .name = "VDD2",
+ .min_uV = 600000,
+ .max_uV = 4500000,
+ },
+ {
+ .name = "VDD3",
+ .min_uV = 5000000,
+ .max_uV = 5000000,
+ .table_len = ARRAY_SIZE(VDD3_VSEL_table),
+ .table = VDD3_VSEL_table,
+ },
+ {
+ .name = "VDIG1",
+ .min_uV = 1200000,
+ .max_uV = 2700000,
+ .table_len = ARRAY_SIZE(VDIG1_VSEL_table),
+ .table = VDIG1_VSEL_table,
+ },
+ {
+ .name = "VDIG2",
+ .min_uV = 1000000,
+ .max_uV = 1800000,
+ .table_len = ARRAY_SIZE(VDIG2_VSEL_table),
+ .table = VDIG2_VSEL_table,
+ },
+ {
+ .name = "VPLL",
+ .min_uV = 1000000,
+ .max_uV = 2500000,
+ .table_len = ARRAY_SIZE(VPLL_VSEL_table),
+ .table = VPLL_VSEL_table,
+ },
+ {
+ .name = "VDAC",
+ .min_uV = 1800000,
+ .max_uV = 2850000,
+ .table_len = ARRAY_SIZE(VDAC_VSEL_table),
+ .table = VDAC_VSEL_table,
+ },
+ {
+ .name = "VAUX1",
+ .min_uV = 1800000,
+ .max_uV = 2850000,
+ .table_len = ARRAY_SIZE(VAUX1_VSEL_table),
+ .table = VAUX1_VSEL_table,
+ },
+ {
+ .name = "VAUX2",
+ .min_uV = 1800000,
+ .max_uV = 3300000,
+ .table_len = ARRAY_SIZE(VAUX2_VSEL_table),
+ .table = VAUX2_VSEL_table,
+ },
+ {
+ .name = "VAUX33",
+ .min_uV = 1800000,
+ .max_uV = 3300000,
+ .table_len = ARRAY_SIZE(VAUX33_VSEL_table),
+ .table = VAUX33_VSEL_table,
+ },
+ {
+ .name = "VMMC",
+ .min_uV = 1800000,
+ .max_uV = 3300000,
+ .table_len = ARRAY_SIZE(VMMC_VSEL_table),
+ .table = VMMC_VSEL_table,
+ },
+};
+
+static struct tps_info tps65911_regs[] = {
+ {
+ .name = "VIO",
+ .min_uV = 1500000,
+ .max_uV = 3300000,
+ .table_len = ARRAY_SIZE(VIO_VSEL_table),
+ .table = VIO_VSEL_table,
+ },
+ {
+ .name = "VDD1",
+ .min_uV = 600000,
+ .max_uV = 4500000,
+ },
+ {
+ .name = "VDD2",
+ .min_uV = 600000,
+ .max_uV = 4500000,
+ },
+ {
+ .name = "VDDCTRL",
+ .min_uV = 600000,
+ .max_uV = 1400000,
+ },
+ {
+ .name = "LDO1",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+ {
+ .name = "LDO2",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+ {
+ .name = "LDO3",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+ {
+ .name = "LDO4",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+ {
+ .name = "LDO5",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+ {
+ .name = "LDO6",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+ {
+ .name = "LDO7",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+ {
+ .name = "LDO8",
+ .min_uV = 1000000,
+ .max_uV = 3300000,
+ },
+};
+
+struct tps65910_reg {
+ struct regulator_desc desc[TPS65910_NUM_REGULATOR];
+ struct tps65910 *mfd;
+ struct regulator_dev *rdev[TPS65910_NUM_REGULATOR];
+ struct tps_info *info[TPS65910_NUM_REGULATOR];
+ struct mutex mutex;
+ int mode;
+ int (*get_ctrl_reg)(int);
+};
+
+static inline int tps65910_read(struct tps65910_reg *pmic, u8 reg)
+{
+ u8 val;
+ int err;
+
+ err = pmic->mfd->read(pmic->mfd, reg, 1, &val);
+ if (err)
+ return err;
+
+ return val;
+}
+
+static inline int tps65910_write(struct tps65910_reg *pmic, u8 reg, u8 val)
+{
+ return pmic->mfd->write(pmic->mfd, reg, 1, &val);
+}
+
+static int tps65910_modify_bits(struct tps65910_reg *pmic, u8 reg,
+ u8 set_mask, u8 clear_mask)
+{
+ int err, data;
+
+ mutex_lock(&pmic->mutex);
+
+ data = tps65910_read(pmic, reg);
+ if (data < 0) {
+ dev_err(pmic->mfd->dev, "Read from reg 0x%x failed\n", reg);
+ err = data;
+ goto out;
+ }
+
+ data &= ~clear_mask;
+ data |= set_mask;
+ err = tps65910_write(pmic, reg, data);
+ if (err)
+ dev_err(pmic->mfd->dev, "Write for reg 0x%x failed\n", reg);
+
+out:
+ mutex_unlock(&pmic->mutex);
+ return err;
+}
+
+static int tps65910_reg_read(struct tps65910_reg *pmic, u8 reg)
+{
+ int data;
+
+ mutex_lock(&pmic->mutex);
+
+ data = tps65910_read(pmic, reg);
+ if (data < 0)
+ dev_err(pmic->mfd->dev, "Read from reg 0x%x failed\n", reg);
+
+ mutex_unlock(&pmic->mutex);
+ return data;
+}
+
+static int tps65910_reg_write(struct tps65910_reg *pmic, u8 reg, u8 val)
+{
+ int err;
+
+ mutex_lock(&pmic->mutex);
+
+ err = tps65910_write(pmic, reg, val);
+ if (err < 0)
+ dev_err(pmic->mfd->dev, "Write for reg 0x%x failed\n", reg);
+
+ mutex_unlock(&pmic->mutex);
+ return err;
+}
+
+static int tps65910_get_ctrl_register(int id)
+{
+ switch (id) {
+ case TPS65910_REG_VRTC:
+ return TPS65910_VRTC;
+ case TPS65910_REG_VIO:
+ return TPS65910_VIO;
+ case TPS65910_REG_VDD1:
+ return TPS65910_VDD1;
+ case TPS65910_REG_VDD2:
+ return TPS65910_VDD2;
+ case TPS65910_REG_VDD3:
+ return TPS65910_VDD3;
+ case TPS65910_REG_VDIG1:
+ return TPS65910_VDIG1;
+ case TPS65910_REG_VDIG2:
+ return TPS65910_VDIG2;
+ case TPS65910_REG_VPLL:
+ return TPS65910_VPLL;
+ case TPS65910_REG_VDAC:
+ return TPS65910_VDAC;
+ case TPS65910_REG_VAUX1:
+ return TPS65910_VAUX1;
+ case TPS65910_REG_VAUX2:
+ return TPS65910_VAUX2;
+ case TPS65910_REG_VAUX33:
+ return TPS65910_VAUX33;
+ case TPS65910_REG_VMMC:
+ return TPS65910_VMMC;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int tps65911_get_ctrl_register(int id)
+{
+ switch (id) {
+ case TPS65910_REG_VRTC:
+ return TPS65910_VRTC;
+ case TPS65910_REG_VIO:
+ return TPS65910_VIO;
+ case TPS65910_REG_VDD1:
+ return TPS65910_VDD1;
+ case TPS65910_REG_VDD2:
+ return TPS65910_VDD2;
+ case TPS65911_REG_VDDCTRL:
+ return TPS65911_VDDCTRL;
+ case TPS65911_REG_LDO1:
+ return TPS65911_LDO1;
+ case TPS65911_REG_LDO2:
+ return TPS65911_LDO2;
+ case TPS65911_REG_LDO3:
+ return TPS65911_LDO3;
+ case TPS65911_REG_LDO4:
+ return TPS65911_LDO4;
+ case TPS65911_REG_LDO5:
+ return TPS65911_LDO5;
+ case TPS65911_REG_LDO6:
+ return TPS65911_LDO6;
+ case TPS65911_REG_LDO7:
+ return TPS65911_LDO7;
+ case TPS65911_REG_LDO8:
+ return TPS65911_LDO8;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int tps65910_is_enabled(struct regulator_dev *dev)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int reg, value, id = rdev_get_id(dev);
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ value = tps65910_reg_read(pmic, reg);
+ if (value < 0)
+ return value;
+
+ return value & TPS65910_SUPPLY_STATE_ENABLED;
+}
+
+static int tps65910_enable(struct regulator_dev *dev)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65910 *mfd = pmic->mfd;
+ int reg, id = rdev_get_id(dev);
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ return tps65910_set_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED);
+}
+
+static int tps65910_disable(struct regulator_dev *dev)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65910 *mfd = pmic->mfd;
+ int reg, id = rdev_get_id(dev);
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ return tps65910_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED);
+}
+
+
+static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65910 *mfd = pmic->mfd;
+ int reg, value, id = rdev_get_id(dev);
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ return tps65910_modify_bits(pmic, reg, LDO_ST_ON_BIT,
+ LDO_ST_MODE_BIT);
+ case REGULATOR_MODE_IDLE:
+ value = LDO_ST_ON_BIT | LDO_ST_MODE_BIT;
+ return tps65910_set_bits(mfd, reg, value);
+ case REGULATOR_MODE_STANDBY:
+ return tps65910_clear_bits(mfd, reg, LDO_ST_ON_BIT);
+ }
+
+ return -EINVAL;
+}
+
+static unsigned int tps65910_get_mode(struct regulator_dev *dev)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int reg, value, id = rdev_get_id(dev);
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ value = tps65910_reg_read(pmic, reg);
+ if (value < 0)
+ return value;
+
+ if (value & LDO_ST_ON_BIT)
+ return REGULATOR_MODE_STANDBY;
+ else if (value & LDO_ST_MODE_BIT)
+ return REGULATOR_MODE_IDLE;
+ else
+ return REGULATOR_MODE_NORMAL;
+}
+
+static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev), voltage = 0;
+ int opvsel = 0, srvsel = 0, vselmax = 0, mult = 0, sr = 0;
+
+ switch (id) {
+ case TPS65910_REG_VDD1:
+ opvsel = tps65910_reg_read(pmic, TPS65910_VDD1_OP);
+ mult = tps65910_reg_read(pmic, TPS65910_VDD1);
+ mult = (mult & VDD1_VGAIN_SEL_MASK) >> VDD1_VGAIN_SEL_SHIFT;
+ srvsel = tps65910_reg_read(pmic, TPS65910_VDD1_SR);
+ sr = opvsel & VDD1_OP_CMD_MASK;
+ opvsel &= VDD1_OP_SEL_MASK;
+ srvsel &= VDD1_SR_SEL_MASK;
+ vselmax = 75;
+ break;
+ case TPS65910_REG_VDD2:
+ opvsel = tps65910_reg_read(pmic, TPS65910_VDD2_OP);
+ mult = tps65910_reg_read(pmic, TPS65910_VDD2);
+ mult = (mult & VDD2_VGAIN_SEL_MASK) >> VDD2_VGAIN_SEL_SHIFT;
+ srvsel = tps65910_reg_read(pmic, TPS65910_VDD2_SR);
+ sr = opvsel & VDD2_OP_CMD_MASK;
+ opvsel &= VDD2_OP_SEL_MASK;
+ srvsel &= VDD2_SR_SEL_MASK;
+ vselmax = 75;
+ break;
+ case TPS65911_REG_VDDCTRL:
+ opvsel = tps65910_reg_read(pmic, TPS65911_VDDCTRL_OP);
+ srvsel = tps65910_reg_read(pmic, TPS65911_VDDCTRL_SR);
+ sr = opvsel & VDDCTRL_OP_CMD_MASK;
+ opvsel &= VDDCTRL_OP_SEL_MASK;
+ srvsel &= VDDCTRL_SR_SEL_MASK;
+ vselmax = 64;
+ break;
+ }
+
+ /* multiplier 0 == 1 but 2,3 normal */
+ if (!mult)
+ mult=1;
+
+ if (sr) {
+ /* normalise to valid range */
+ if (srvsel < 3)
+ srvsel = 3;
+ if (srvsel > vselmax)
+ srvsel = vselmax;
+ srvsel -= 3;
+
+ voltage = (srvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
+ } else {
+
+ /* normalise to valid range*/
+ if (opvsel < 3)
+ opvsel = 3;
+ if (opvsel > vselmax)
+ opvsel = vselmax;
+ opvsel -= 3;
+
+ voltage = (opvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
+ }
+
+ voltage *= mult;
+
+ return voltage;
+}
+
+static int tps65910_get_voltage(struct regulator_dev *dev)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int reg, value, id = rdev_get_id(dev), voltage = 0;
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ value = tps65910_reg_read(pmic, reg);
+ if (value < 0)
+ return value;
+
+ switch (id) {
+ case TPS65910_REG_VIO:
+ case TPS65910_REG_VDIG1:
+ case TPS65910_REG_VDIG2:
+ case TPS65910_REG_VPLL:
+ case TPS65910_REG_VDAC:
+ case TPS65910_REG_VAUX1:
+ case TPS65910_REG_VAUX2:
+ case TPS65910_REG_VAUX33:
+ case TPS65910_REG_VMMC:
+ value &= LDO_SEL_MASK;
+ value >>= LDO_SEL_SHIFT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ voltage = pmic->info[id]->table[value] * 1000;
+
+ return voltage;
+}
+
+static int tps65910_get_voltage_vdd3(struct regulator_dev *dev)
+{
+ return 5 * 1000 * 1000;
+}
+
+static int tps65911_get_voltage(struct regulator_dev *dev)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int step_mv, id = rdev_get_id(dev);
+ u8 value, reg;
+
+ reg = pmic->get_ctrl_reg(id);
+
+ value = tps65910_reg_read(pmic, reg);
+
+ switch (id) {
+ case TPS65911_REG_LDO1:
+ case TPS65911_REG_LDO2:
+ case TPS65911_REG_LDO4:
+ value &= LDO1_SEL_MASK;
+ value >>= LDO_SEL_SHIFT;
+ /* The first 5 values of the selector correspond to 1V */
+ if (value < 5)
+ value = 0;
+ else
+ value -= 4;
+
+ step_mv = 50;
+ break;
+ case TPS65911_REG_LDO3:
+ case TPS65911_REG_LDO5:
+ case TPS65911_REG_LDO6:
+ case TPS65911_REG_LDO7:
+ case TPS65911_REG_LDO8:
+ value &= LDO3_SEL_MASK;
+ value >>= LDO_SEL_SHIFT;
+ /* The first 3 values of the selector correspond to 1V */
+ if (value < 3)
+ value = 0;
+ else
+ value -= 2;
+
+ step_mv = 100;
+ break;
+ case TPS65910_REG_VIO:
+ return pmic->info[id]->table[value] * 1000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return (LDO_MIN_VOLT + value * step_mv) * 1000;
+}
+
+static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev), vsel;
+ int dcdc_mult = 0;
+
+ switch (id) {
+ case TPS65910_REG_VDD1:
+ dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+ if (dcdc_mult == 1)
+ dcdc_mult--;
+ vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+
+ tps65910_modify_bits(pmic, TPS65910_VDD1,
+ (dcdc_mult << VDD1_VGAIN_SEL_SHIFT),
+ VDD1_VGAIN_SEL_MASK);
+ tps65910_reg_write(pmic, TPS65910_VDD1_OP, vsel);
+ break;
+ case TPS65910_REG_VDD2:
+ dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+ if (dcdc_mult == 1)
+ dcdc_mult--;
+ vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+
+ tps65910_modify_bits(pmic, TPS65910_VDD2,
+ (dcdc_mult << VDD2_VGAIN_SEL_SHIFT),
+ VDD1_VGAIN_SEL_MASK);
+ tps65910_reg_write(pmic, TPS65910_VDD2_OP, vsel);
+ break;
+ case TPS65911_REG_VDDCTRL:
+ vsel = selector;
+ tps65910_reg_write(pmic, TPS65911_VDDCTRL_OP, vsel);
+ }
+
+ return 0;
+}
+
+static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int reg, id = rdev_get_id(dev);
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ switch (id) {
+ case TPS65910_REG_VIO:
+ case TPS65910_REG_VDIG1:
+ case TPS65910_REG_VDIG2:
+ case TPS65910_REG_VPLL:
+ case TPS65910_REG_VDAC:
+ case TPS65910_REG_VAUX1:
+ case TPS65910_REG_VAUX2:
+ case TPS65910_REG_VAUX33:
+ case TPS65910_REG_VMMC:
+ return tps65910_modify_bits(pmic, reg,
+ (selector << LDO_SEL_SHIFT), LDO_SEL_MASK);
+ }
+
+ return -EINVAL;
+}
+
+static int tps65911_set_voltage(struct regulator_dev *dev, unsigned selector)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int reg, id = rdev_get_id(dev);
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ switch (id) {
+ case TPS65911_REG_LDO1:
+ case TPS65911_REG_LDO2:
+ case TPS65911_REG_LDO4:
+ return tps65910_modify_bits(pmic, reg,
+ (selector << LDO_SEL_SHIFT), LDO1_SEL_MASK);
+ case TPS65911_REG_LDO3:
+ case TPS65911_REG_LDO5:
+ case TPS65911_REG_LDO6:
+ case TPS65911_REG_LDO7:
+ case TPS65911_REG_LDO8:
+ case TPS65910_REG_VIO:
+ return tps65910_modify_bits(pmic, reg,
+ (selector << LDO_SEL_SHIFT), LDO3_SEL_MASK);
+ }
+
+ return -EINVAL;
+}
+
+
+static int tps65910_list_voltage_dcdc(struct regulator_dev *dev,
+ unsigned selector)
+{
+ int volt, mult = 1, id = rdev_get_id(dev);
+
+ switch (id) {
+ case TPS65910_REG_VDD1:
+ case TPS65910_REG_VDD2:
+ mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+ volt = VDD1_2_MIN_VOLT +
+ (selector % VDD1_2_NUM_VOLTS) * VDD1_2_OFFSET;
+ case TPS65911_REG_VDDCTRL:
+ volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET);
+ }
+
+ return volt * 100 * mult;
+}
+
+static int tps65910_list_voltage(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev), voltage;
+
+ if (id < TPS65910_REG_VIO || id > TPS65910_REG_VMMC)
+ return -EINVAL;
+
+ if (selector >= pmic->info[id]->table_len)
+ return -EINVAL;
+ else
+ voltage = pmic->info[id]->table[selector] * 1000;
+
+ return voltage;
+}
+
+static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
+{
+ struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+ int step_mv = 0, id = rdev_get_id(dev);
+
+ switch(id) {
+ case TPS65911_REG_LDO1:
+ case TPS65911_REG_LDO2:
+ case TPS65911_REG_LDO4:
+ /* The first 5 values of the selector correspond to 1V */
+ if (selector < 5)
+ selector = 0;
+ else
+ selector -= 4;
+
+ step_mv = 50;
+ break;
+ case TPS65911_REG_LDO3:
+ case TPS65911_REG_LDO5:
+ case TPS65911_REG_LDO6:
+ case TPS65911_REG_LDO7:
+ case TPS65911_REG_LDO8:
+ /* The first 3 values of the selector correspond to 1V */
+ if (selector < 3)
+ selector = 0;
+ else
+ selector -= 2;
+
+ step_mv = 100;
+ break;
+ case TPS65910_REG_VIO:
+ return pmic->info[id]->table[selector] * 1000;
+ default:
+ return -EINVAL;
+ }
+
+ return (LDO_MIN_VOLT + selector * step_mv) * 1000;
+}
+
+/* Regulator ops (except VRTC) */
+static struct regulator_ops tps65910_ops_dcdc = {
+ .is_enabled = tps65910_is_enabled,
+ .enable = tps65910_enable,
+ .disable = tps65910_disable,
+ .set_mode = tps65910_set_mode,
+ .get_mode = tps65910_get_mode,
+ .get_voltage = tps65910_get_voltage_dcdc,
+ .set_voltage_sel = tps65910_set_voltage_dcdc,
+ .list_voltage = tps65910_list_voltage_dcdc,
+};
+
+static struct regulator_ops tps65910_ops_vdd3 = {
+ .is_enabled = tps65910_is_enabled,
+ .enable = tps65910_enable,
+ .disable = tps65910_disable,
+ .set_mode = tps65910_set_mode,
+ .get_mode = tps65910_get_mode,
+ .get_voltage = tps65910_get_voltage_vdd3,
+ .list_voltage = tps65910_list_voltage,
+};
+
+static struct regulator_ops tps65910_ops = {
+ .is_enabled = tps65910_is_enabled,
+ .enable = tps65910_enable,
+ .disable = tps65910_disable,
+ .set_mode = tps65910_set_mode,
+ .get_mode = tps65910_get_mode,
+ .get_voltage = tps65910_get_voltage,
+ .set_voltage_sel = tps65910_set_voltage,
+ .list_voltage = tps65910_list_voltage,
+};
+
+static struct regulator_ops tps65911_ops = {
+ .is_enabled = tps65910_is_enabled,
+ .enable = tps65910_enable,
+ .disable = tps65910_disable,
+ .set_mode = tps65910_set_mode,
+ .get_mode = tps65910_get_mode,
+ .get_voltage = tps65911_get_voltage,
+ .set_voltage_sel = tps65911_set_voltage,
+ .list_voltage = tps65911_list_voltage,
+};
+
+static __devinit int tps65910_probe(struct platform_device *pdev)
+{
+ struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
+ struct tps_info *info;
+ struct regulator_init_data *reg_data;
+ struct regulator_dev *rdev;
+ struct tps65910_reg *pmic;
+ struct tps65910_board *pmic_plat_data;
+ int i, err;
+
+ pmic_plat_data = dev_get_platdata(tps65910->dev);
+ if (!pmic_plat_data)
+ return -EINVAL;
+
+ reg_data = pmic_plat_data->tps65910_pmic_init_data;
+
+ pmic = kzalloc(sizeof(*pmic), GFP_KERNEL);
+ if (!pmic)
+ return -ENOMEM;
+
+ mutex_init(&pmic->mutex);
+ pmic->mfd = tps65910;
+ platform_set_drvdata(pdev, pmic);
+
+ /* Give control of all register to control port */
+ tps65910_set_bits(pmic->mfd, TPS65910_DEVCTRL,
+ DEVCTRL_SR_CTL_I2C_SEL_MASK);
+
+ switch(tps65910_chip_id(tps65910)) {
+ case TPS65910:
+ pmic->get_ctrl_reg = &tps65910_get_ctrl_register;
+ info = tps65910_regs;
+ case TPS65911:
+ pmic->get_ctrl_reg = &tps65911_get_ctrl_register;
+ info = tps65911_regs;
+ default:
+ pr_err("Invalid tps chip version\n");
+ return -ENODEV;
+ }
+
+ for (i = 0; i < TPS65910_NUM_REGULATOR; i++, info++, reg_data++) {
+ /* Register the regulators */
+ pmic->info[i] = info;
+
+ pmic->desc[i].name = info->name;
+ pmic->desc[i].id = i;
+ pmic->desc[i].n_voltages = info->table_len;
+
+ if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
+ pmic->desc[i].ops = &tps65910_ops_dcdc;
+ } else if (i == TPS65910_REG_VDD3) {
+ if (tps65910_chip_id(tps65910) == TPS65910)
+ pmic->desc[i].ops = &tps65910_ops_vdd3;
+ else
+ pmic->desc[i].ops = &tps65910_ops_dcdc;
+ } else {
+ if (tps65910_chip_id(tps65910) == TPS65910)
+ pmic->desc[i].ops = &tps65910_ops;
+ else
+ pmic->desc[i].ops = &tps65911_ops;
+ }
+
+ pmic->desc[i].type = REGULATOR_VOLTAGE;
+ pmic->desc[i].owner = THIS_MODULE;
+
+ rdev = regulator_register(&pmic->desc[i],
+ tps65910->dev, reg_data, pmic);
+ if (IS_ERR(rdev)) {
+ dev_err(tps65910->dev,
+ "failed to register %s regulator\n",
+ pdev->name);
+ err = PTR_ERR(rdev);
+ goto err;
+ }
+
+ /* Save regulator for cleanup */
+ pmic->rdev[i] = rdev;
+ }
+ return 0;
+
+err:
+ while (--i >= 0)
+ regulator_unregister(pmic->rdev[i]);
+
+ kfree(pmic);
+ return err;
+}
+
+static int __devexit tps65910_remove(struct platform_device *pdev)
+{
+ struct tps65910_reg *tps65910_reg = platform_get_drvdata(pdev);
+ int i;
+
+ for (i = 0; i < TPS65910_NUM_REGULATOR; i++)
+ regulator_unregister(tps65910_reg->rdev[i]);
+
+ kfree(tps65910_reg);
+ return 0;
+}
+
+static struct platform_driver tps65910_driver = {
+ .driver = {
+ .name = "tps65910-pmic",
+ .owner = THIS_MODULE,
+ },
+ .probe = tps65910_probe,
+ .remove = __devexit_p(tps65910_remove),
+};
+
+static int __init tps65910_init(void)
+{
+ return platform_driver_register(&tps65910_driver);
+}
+subsys_initcall(tps65910_init);
+
+static void __exit tps65910_cleanup(void)
+{
+ platform_driver_unregister(&tps65910_driver);
+}
+module_exit(tps65910_cleanup);
+
+MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
+MODULE_DESCRIPTION("TPS6507x voltage regulator driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tps65910-pmic");
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 6a292852a358..87fe0f75a56e 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -51,8 +51,13 @@ struct twlreg_info {
u16 min_mV;
u16 max_mV;
+ u8 flags;
+
/* used by regulator core */
struct regulator_desc desc;
+
+ /* chip specific features */
+ unsigned long features;
};
@@ -70,12 +75,35 @@ struct twlreg_info {
#define VREG_TRANS 1
#define VREG_STATE 2
#define VREG_VOLTAGE 3
+#define VREG_VOLTAGE_SMPS 4
/* TWL6030 Misc register offsets */
#define VREG_BC_ALL 1
#define VREG_BC_REF 2
#define VREG_BC_PROC 3
#define VREG_BC_CLK_RST 4
+/* TWL6030 LDO register values for CFG_STATE */
+#define TWL6030_CFG_STATE_OFF 0x00
+#define TWL6030_CFG_STATE_ON 0x01
+#define TWL6030_CFG_STATE_OFF2 0x02
+#define TWL6030_CFG_STATE_SLEEP 0x03
+#define TWL6030_CFG_STATE_GRP_SHIFT 5
+#define TWL6030_CFG_STATE_APP_SHIFT 2
+#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
+#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
+ TWL6030_CFG_STATE_APP_SHIFT)
+
+/* Flags for SMPS Voltage reading */
+#define SMPS_OFFSET_EN BIT(0)
+#define SMPS_EXTENDED_EN BIT(1)
+
+/* twl6025 SMPS EPROM values */
+#define TWL6030_SMPS_OFFSET 0xB0
+#define TWL6030_SMPS_MULT 0xB3
+#define SMPS_MULTOFFSET_SMPS4 BIT(0)
+#define SMPS_MULTOFFSET_VIO BIT(1)
+#define SMPS_MULTOFFSET_SMPS3 BIT(6)
+
static inline int
twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
{
@@ -118,21 +146,38 @@ static int twlreg_grp(struct regulator_dev *rdev)
#define P2_GRP_6030 BIT(1) /* "peripherals" */
#define P1_GRP_6030 BIT(0) /* CPU/Linux */
-static int twlreg_is_enabled(struct regulator_dev *rdev)
+static int twl4030reg_is_enabled(struct regulator_dev *rdev)
{
int state = twlreg_grp(rdev);
if (state < 0)
return state;
- if (twl_class_is_4030())
- state &= P1_GRP_4030;
+ return state & P1_GRP_4030;
+}
+
+static int twl6030reg_is_enabled(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0, val;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
+ grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+ if (grp < 0)
+ return grp;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
+ grp &= P1_GRP_6030;
else
- state &= P1_GRP_6030;
- return state;
+ grp = 1;
+
+ val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
+ val = TWL6030_CFG_STATE_APP(val);
+
+ return grp && (val == TWL6030_CFG_STATE_ON);
}
-static int twlreg_enable(struct regulator_dev *rdev)
+static int twl4030reg_enable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp;
@@ -142,10 +187,7 @@ static int twlreg_enable(struct regulator_dev *rdev)
if (grp < 0)
return grp;
- if (twl_class_is_4030())
- grp |= P1_GRP_4030;
- else
- grp |= P1_GRP_6030;
+ grp |= P1_GRP_4030;
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp);
@@ -154,29 +196,63 @@ static int twlreg_enable(struct regulator_dev *rdev)
return ret;
}
-static int twlreg_disable(struct regulator_dev *rdev)
+static int twl6030reg_enable(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int ret;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
+ grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+ if (grp < 0)
+ return grp;
+
+ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+ grp << TWL6030_CFG_STATE_GRP_SHIFT |
+ TWL6030_CFG_STATE_ON);
+
+ udelay(info->delay);
+
+ return ret;
+}
+
+static int twl4030reg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp;
+ int ret;
grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
if (grp < 0)
return grp;
- if (twl_class_is_4030())
- grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030);
- else
- grp &= ~(P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030);
+ grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030);
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp);
+ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp);
+
+ return ret;
}
-static int twlreg_get_status(struct regulator_dev *rdev)
+static int twl6030reg_disable(struct regulator_dev *rdev)
{
- int state = twlreg_grp(rdev);
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int ret;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
+ grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
+
+ /* For 6030, set the off state for all grps enabled */
+ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+ (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
+ TWL6030_CFG_STATE_OFF);
+
+ return ret;
+}
- if (twl_class_is_6030())
- return 0; /* FIXME return for 6030 regulator */
+static int twl4030reg_get_status(struct regulator_dev *rdev)
+{
+ int state = twlreg_grp(rdev);
if (state < 0)
return state;
@@ -190,15 +266,39 @@ static int twlreg_get_status(struct regulator_dev *rdev)
: REGULATOR_STATUS_STANDBY;
}
-static int twlreg_set_mode(struct regulator_dev *rdev, unsigned mode)
+static int twl6030reg_get_status(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int val;
+
+ val = twlreg_grp(rdev);
+ if (val < 0)
+ return val;
+
+ val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
+
+ switch (TWL6030_CFG_STATE_APP(val)) {
+ case TWL6030_CFG_STATE_ON:
+ return REGULATOR_STATUS_NORMAL;
+
+ case TWL6030_CFG_STATE_SLEEP:
+ return REGULATOR_STATUS_STANDBY;
+
+ case TWL6030_CFG_STATE_OFF:
+ case TWL6030_CFG_STATE_OFF2:
+ default:
+ break;
+ }
+
+ return REGULATOR_STATUS_OFF;
+}
+
+static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
unsigned message;
int status;
- if (twl_class_is_6030())
- return 0; /* FIXME return for 6030 regulator */
-
/* We can only set the mode through state machine commands... */
switch (mode) {
case REGULATOR_MODE_NORMAL:
@@ -227,6 +327,36 @@ static int twlreg_set_mode(struct regulator_dev *rdev, unsigned mode)
message & 0xff, TWL4030_PM_MASTER_PB_WORD_LSB);
}
+static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int val;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
+ grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+
+ if (grp < 0)
+ return grp;
+
+ /* Compose the state register settings */
+ val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
+ /* We can only set the mode through state machine commands... */
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ val |= TWL6030_CFG_STATE_ON;
+ break;
+ case REGULATOR_MODE_STANDBY:
+ val |= TWL6030_CFG_STATE_SLEEP;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
+}
+
/*----------------------------------------------------------------------*/
/*
@@ -375,13 +505,13 @@ static struct regulator_ops twl4030ldo_ops = {
.set_voltage = twl4030ldo_set_voltage,
.get_voltage = twl4030ldo_get_voltage,
- .enable = twlreg_enable,
- .disable = twlreg_disable,
- .is_enabled = twlreg_is_enabled,
+ .enable = twl4030reg_enable,
+ .disable = twl4030reg_disable,
+ .is_enabled = twl4030reg_is_enabled,
- .set_mode = twlreg_set_mode,
+ .set_mode = twl4030reg_set_mode,
- .get_status = twlreg_get_status,
+ .get_status = twl4030reg_get_status,
};
static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
@@ -433,13 +563,13 @@ static struct regulator_ops twl6030ldo_ops = {
.set_voltage = twl6030ldo_set_voltage,
.get_voltage = twl6030ldo_get_voltage,
- .enable = twlreg_enable,
- .disable = twlreg_disable,
- .is_enabled = twlreg_is_enabled,
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
- .set_mode = twlreg_set_mode,
+ .set_mode = twl6030reg_set_mode,
- .get_status = twlreg_get_status,
+ .get_status = twl6030reg_get_status,
};
/*----------------------------------------------------------------------*/
@@ -461,25 +591,242 @@ static int twlfixed_get_voltage(struct regulator_dev *rdev)
return info->min_mV * 1000;
}
-static struct regulator_ops twlfixed_ops = {
+static struct regulator_ops twl4030fixed_ops = {
+ .list_voltage = twlfixed_list_voltage,
+
+ .get_voltage = twlfixed_get_voltage,
+
+ .enable = twl4030reg_enable,
+ .disable = twl4030reg_disable,
+ .is_enabled = twl4030reg_is_enabled,
+
+ .set_mode = twl4030reg_set_mode,
+
+ .get_status = twl4030reg_get_status,
+};
+
+static struct regulator_ops twl6030fixed_ops = {
.list_voltage = twlfixed_list_voltage,
.get_voltage = twlfixed_get_voltage,
- .enable = twlreg_enable,
- .disable = twlreg_disable,
- .is_enabled = twlreg_is_enabled,
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
- .set_mode = twlreg_set_mode,
+ .set_mode = twl6030reg_set_mode,
- .get_status = twlreg_get_status,
+ .get_status = twl6030reg_get_status,
};
static struct regulator_ops twl6030_fixed_resource = {
- .enable = twlreg_enable,
- .disable = twlreg_disable,
- .is_enabled = twlreg_is_enabled,
- .get_status = twlreg_get_status,
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+ .get_status = twl6030reg_get_status,
+};
+
+/*
+ * SMPS status and control
+ */
+
+static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ int voltage = 0;
+
+ switch (info->flags) {
+ case SMPS_OFFSET_EN:
+ voltage = 100000;
+ /* fall through */
+ case 0:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 1350 * 1000;
+ break;
+ case 59:
+ voltage = 1500 * 1000;
+ break;
+ case 60:
+ voltage = 1800 * 1000;
+ break;
+ case 61:
+ voltage = 1900 * 1000;
+ break;
+ case 62:
+ voltage = 2100 * 1000;
+ break;
+ default:
+ voltage += (600000 + (12500 * (index - 1)));
+ }
+ break;
+ case SMPS_EXTENDED_EN:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 2084 * 1000;
+ break;
+ case 59:
+ voltage = 2315 * 1000;
+ break;
+ case 60:
+ voltage = 2778 * 1000;
+ break;
+ case 61:
+ voltage = 2932 * 1000;
+ break;
+ case 62:
+ voltage = 3241 * 1000;
+ break;
+ default:
+ voltage = (1852000 + (38600 * (index - 1)));
+ }
+ break;
+ case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 4167 * 1000;
+ break;
+ case 59:
+ voltage = 2315 * 1000;
+ break;
+ case 60:
+ voltage = 2778 * 1000;
+ break;
+ case 61:
+ voltage = 2932 * 1000;
+ break;
+ case 62:
+ voltage = 3241 * 1000;
+ break;
+ default:
+ voltage = (2161000 + (38600 * (index - 1)));
+ }
+ break;
+ }
+
+ return voltage;
+}
+
+static int
+twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
+ unsigned int *selector)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int vsel = 0;
+
+ switch (info->flags) {
+ case 0:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 600000) && (max_uV <= 1300000)) {
+ vsel = (min_uV - 600000) / 125;
+ if (vsel % 100)
+ vsel += 100;
+ vsel /= 100;
+ vsel++;
+ }
+ /* Values 1..57 for vsel are linear and can be calculated
+ * values 58..62 are non linear.
+ */
+ else if ((min_uV > 1900000) && (max_uV >= 2100000))
+ vsel = 62;
+ else if ((min_uV > 1800000) && (max_uV >= 1900000))
+ vsel = 61;
+ else if ((min_uV > 1500000) && (max_uV >= 1800000))
+ vsel = 60;
+ else if ((min_uV > 1350000) && (max_uV >= 1500000))
+ vsel = 59;
+ else if ((min_uV > 1300000) && (max_uV >= 1350000))
+ vsel = 58;
+ else
+ return -EINVAL;
+ break;
+ case SMPS_OFFSET_EN:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 700000) && (max_uV <= 1420000)) {
+ vsel = (min_uV - 700000) / 125;
+ if (vsel % 100)
+ vsel += 100;
+ vsel /= 100;
+ vsel++;
+ }
+ /* Values 1..57 for vsel are linear and can be calculated
+ * values 58..62 are non linear.
+ */
+ else if ((min_uV > 1900000) && (max_uV >= 2100000))
+ vsel = 62;
+ else if ((min_uV > 1800000) && (max_uV >= 1900000))
+ vsel = 61;
+ else if ((min_uV > 1350000) && (max_uV >= 1800000))
+ vsel = 60;
+ else if ((min_uV > 1350000) && (max_uV >= 1500000))
+ vsel = 59;
+ else if ((min_uV > 1300000) && (max_uV >= 1350000))
+ vsel = 58;
+ else
+ return -EINVAL;
+ break;
+ case SMPS_EXTENDED_EN:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
+ vsel = (min_uV - 1852000) / 386;
+ if (vsel % 100)
+ vsel += 100;
+ vsel /= 100;
+ vsel++;
+ }
+ break;
+ case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 2161000) && (max_uV <= 4321000)) {
+ vsel = (min_uV - 1852000) / 386;
+ if (vsel % 100)
+ vsel += 100;
+ vsel /= 100;
+ vsel++;
+ }
+ break;
+ }
+
+ *selector = vsel;
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
+ vsel);
+}
+
+static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
+}
+
+static struct regulator_ops twlsmps_ops = {
+ .list_voltage = twl6030smps_list_voltage,
+
+ .set_voltage = twl6030smps_set_voltage,
+ .get_voltage_sel = twl6030smps_get_voltage_sel,
+
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+
+ .set_mode = twl6030reg_set_mode,
+
+ .get_status = twl6030reg_get_status,
};
/*----------------------------------------------------------------------*/
@@ -487,11 +834,10 @@ static struct regulator_ops twl6030_fixed_resource = {
#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
remap_conf) \
TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
- remap_conf, TWL4030)
-#define TWL6030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
- remap_conf) \
+ remap_conf, TWL4030, twl4030fixed_ops)
+#define TWL6030_FIXED_LDO(label, offset, mVolts, num, turnon_delay) \
TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
- remap_conf, TWL6030)
+ 0x0, TWL6030, twl6030fixed_ops)
#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) { \
.base = offset, \
@@ -510,13 +856,11 @@ static struct regulator_ops twl6030_fixed_resource = {
}, \
}
-#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts, num, \
- remap_conf) { \
+#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts, num) { \
.base = offset, \
.id = num, \
.min_mV = min_mVolts, \
.max_mV = max_mVolts, \
- .remap = remap_conf, \
.desc = { \
.name = #label, \
.id = TWL6030_REG_##label, \
@@ -527,9 +871,23 @@ static struct regulator_ops twl6030_fixed_resource = {
}, \
}
+#define TWL6025_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts, num) { \
+ .base = offset, \
+ .id = num, \
+ .min_mV = min_mVolts, \
+ .max_mV = max_mVolts, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6025_REG_##label, \
+ .n_voltages = ((max_mVolts - min_mVolts)/100) + 1, \
+ .ops = &twl6030ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
#define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \
- family) { \
+ family, operations) { \
.base = offset, \
.id = num, \
.min_mV = mVolts, \
@@ -539,17 +897,16 @@ static struct regulator_ops twl6030_fixed_resource = {
.name = #label, \
.id = family##_REG_##label, \
.n_voltages = 1, \
- .ops = &twlfixed_ops, \
+ .ops = &operations, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}, \
}
-#define TWL6030_FIXED_RESOURCE(label, offset, num, turnon_delay, remap_conf) { \
+#define TWL6030_FIXED_RESOURCE(label, offset, num, turnon_delay) { \
.base = offset, \
.id = num, \
.delay = turnon_delay, \
- .remap = remap_conf, \
.desc = { \
.name = #label, \
.id = TWL6030_REG_##label, \
@@ -559,6 +916,21 @@ static struct regulator_ops twl6030_fixed_resource = {
}, \
}
+#define TWL6025_ADJUSTABLE_SMPS(label, offset, num) { \
+ .base = offset, \
+ .id = num, \
+ .min_mV = 600, \
+ .max_mV = 2100, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6025_REG_##label, \
+ .n_voltages = 63, \
+ .ops = &twlsmps_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
/*
* We list regulators here if systems need some level of
* software control over them after boot.
@@ -589,19 +961,52 @@ static struct twlreg_info twl_regs[] = {
/* 6030 REG with base as PMC Slave Misc : 0x0030 */
/* Turnon-delay and remap configuration values for 6030 are not
verified since the specification is not public */
- TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300, 1, 0x21),
- TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300, 2, 0x21),
- TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300, 3, 0x21),
- TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300, 4, 0x21),
- TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300, 5, 0x21),
- TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300, 7, 0x21),
- TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0, 0x21),
- TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0, 0x21),
- TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0, 0x21),
- TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0, 0x21),
- TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 48, 0, 0x21),
+ TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300, 1),
+ TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300, 2),
+ TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300, 3),
+ TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300, 4),
+ TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300, 5),
+ TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300, 7),
+ TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0),
+ TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0),
+ TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0),
+ TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0),
+ TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 48, 0),
+
+ /* 6025 are renamed compared to 6030 versions */
+ TWL6025_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300, 1),
+ TWL6025_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300, 2),
+ TWL6025_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300, 3),
+ TWL6025_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300, 4),
+ TWL6025_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300, 5),
+ TWL6025_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300, 7),
+ TWL6025_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300, 16),
+ TWL6025_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300, 17),
+ TWL6025_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300, 18),
+
+ TWL6025_ADJUSTABLE_SMPS(SMPS3, 0x34, 1),
+ TWL6025_ADJUSTABLE_SMPS(SMPS4, 0x10, 2),
+ TWL6025_ADJUSTABLE_SMPS(VIO, 0x16, 3),
};
+static u8 twl_get_smps_offset(void)
+{
+ u8 value;
+
+ twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
+ TWL6030_SMPS_OFFSET);
+ return value;
+}
+
+static u8 twl_get_smps_mult(void)
+{
+ u8 value;
+
+ twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
+ TWL6030_SMPS_MULT);
+ return value;
+}
+
static int __devinit twlreg_probe(struct platform_device *pdev)
{
int i;
@@ -623,6 +1028,9 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
if (!initdata)
return -EINVAL;
+ /* copy the features into regulator data */
+ info->features = (unsigned long)initdata->driver_data;
+
/* Constrain board-specific capabilities according to what
* this driver and the chip itself can actually do.
*/
@@ -645,6 +1053,27 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
break;
}
+ switch (pdev->id) {
+ case TWL6025_REG_SMPS3:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ case TWL6025_REG_SMPS4:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ case TWL6025_REG_VIO:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ }
+
rdev = regulator_register(&info->desc, &pdev->dev, initdata, info);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "can't register %s, %ld\n",
@@ -653,7 +1082,8 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, rdev);
- twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP,
+ if (twl_class_is_4030())
+ twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP,
info->remap);
/* NOTE: many regulators support short-circuit IRQs (presentable
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index e93453b1b978..a0982e809851 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -600,7 +600,6 @@ err:
static __devexit int wm831x_buckv_remove(struct platform_device *pdev)
{
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
- struct wm831x *wm831x = dcdc->wm831x;
platform_set_drvdata(pdev, NULL);
@@ -776,7 +775,6 @@ err:
static __devexit int wm831x_buckp_remove(struct platform_device *pdev)
{
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
- struct wm831x *wm831x = dcdc->wm831x;
platform_set_drvdata(pdev, NULL);
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index b42d01cef35a..0f12c70bebc9 100644
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -55,7 +55,7 @@ static int wm8400_ldo_list_voltage(struct regulator_dev *dev,
return 1600000 + ((selector - 14) * 100000);
}
-static int wm8400_ldo_get_voltage(struct regulator_dev *dev)
+static int wm8400_ldo_get_voltage_sel(struct regulator_dev *dev)
{
struct wm8400 *wm8400 = rdev_get_drvdata(dev);
u16 val;
@@ -63,7 +63,7 @@ static int wm8400_ldo_get_voltage(struct regulator_dev *dev)
val = wm8400_reg_read(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev));
val &= WM8400_LDO1_VSEL_MASK;
- return wm8400_ldo_list_voltage(dev, val);
+ return val;
}
static int wm8400_ldo_set_voltage(struct regulator_dev *dev,
@@ -104,7 +104,7 @@ static struct regulator_ops wm8400_ldo_ops = {
.enable = wm8400_ldo_enable,
.disable = wm8400_ldo_disable,
.list_voltage = wm8400_ldo_list_voltage,
- .get_voltage = wm8400_ldo_get_voltage,
+ .get_voltage_sel = wm8400_ldo_get_voltage_sel,
.set_voltage = wm8400_ldo_set_voltage,
};
@@ -145,7 +145,7 @@ static int wm8400_dcdc_list_voltage(struct regulator_dev *dev,
return 850000 + (selector * 25000);
}
-static int wm8400_dcdc_get_voltage(struct regulator_dev *dev)
+static int wm8400_dcdc_get_voltage_sel(struct regulator_dev *dev)
{
struct wm8400 *wm8400 = rdev_get_drvdata(dev);
u16 val;
@@ -154,7 +154,7 @@ static int wm8400_dcdc_get_voltage(struct regulator_dev *dev)
val = wm8400_reg_read(wm8400, WM8400_DCDC1_CONTROL_1 + offset);
val &= WM8400_DC1_VSEL_MASK;
- return 850000 + (25000 * val);
+ return val;
}
static int wm8400_dcdc_set_voltage(struct regulator_dev *dev,
@@ -261,7 +261,7 @@ static struct regulator_ops wm8400_dcdc_ops = {
.enable = wm8400_dcdc_enable,
.disable = wm8400_dcdc_disable,
.list_voltage = wm8400_dcdc_list_voltage,
- .get_voltage = wm8400_dcdc_get_voltage,
+ .get_voltage_sel = wm8400_dcdc_get_voltage_sel,
.set_voltage = wm8400_dcdc_set_voltage,
.get_mode = wm8400_dcdc_get_mode,
.set_mode = wm8400_dcdc_set_mode,
diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c
index 3f2e07011a48..cfb5aa72b196 100644
--- a/drivers/usb/otg/twl6030-usb.c
+++ b/drivers/usb/otg/twl6030-usb.c
@@ -100,6 +100,7 @@ struct twl6030_usb {
u8 linkstat;
u8 asleep;
bool irq_enabled;
+ unsigned long features;
};
#define xceiv_to_twl(x) container_of((x), struct twl6030_usb, otg)
@@ -204,6 +205,12 @@ static int twl6030_start_srp(struct otg_transceiver *x)
static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
{
+ char *regulator_name;
+
+ if (twl->features & TWL6025_SUBCLASS)
+ regulator_name = "ldousb";
+ else
+ regulator_name = "vusb";
/* Set to OTG_REV 1.3 and turn on the ID_WAKEUP_COMP */
twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_BACKUP_REG);
@@ -214,7 +221,7 @@ static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
/* Program MISC2 register and set bit VUSB_IN_VBAT */
twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x10, TWL6030_MISC2);
- twl->usb3v3 = regulator_get(twl->dev, "vusb");
+ twl->usb3v3 = regulator_get(twl->dev, regulator_name);
if (IS_ERR(twl->usb3v3))
return -ENODEV;
@@ -409,6 +416,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1);
+ twl->features = pdata->features;
twl->otg.dev = twl->dev;
twl->otg.label = "twl6030";
twl->otg.set_host = twl6030_set_host;