[PATCH v2 3/3] mfd: tps65912: Rewrite driver adding DT support and using regmap

From: Andrew F. Davis
Date: Wed Sep 23 2015 - 12:08:16 EST

The old driver does not support DT. Rewrite the driver adding DT support
and use modern kernel features such as regmap and related helpers.

Signed-off-by: Andrew F. Davis <afd@xxxxxx>
---
drivers/gpio/Kconfig | 6 +
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-tps65912.c | 138 ++++++++++++
drivers/mfd/Kconfig | 24 ++
drivers/mfd/Makefile | 3 +
drivers/mfd/tps65912-core.c | 114 ++++++++++
drivers/mfd/tps65912-i2c.c | 86 ++++++++
drivers/mfd/tps65912-spi.c | 85 +++++++
drivers/regulator/Kconfig | 6 +
drivers/regulator/Makefile | 1 +
drivers/regulator/tps65912-regulator.c | 240 ++++++++++++++++++++
include/linux/mfd/tps65912.h | 393 +++++++++++++++++++++++++++++++++
12 files changed, 1097 insertions(+)
create mode 100644 drivers/gpio/gpio-tps65912.c
create mode 100644 drivers/mfd/tps65912-core.c
create mode 100644 drivers/mfd/tps65912-i2c.c
create mode 100644 drivers/mfd/tps65912-spi.c
create mode 100644 drivers/regulator/tps65912-regulator.c
create mode 100644 include/linux/mfd/tps65912.h

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index fb28483..82218fa 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -838,6 +838,12 @@ config GPIO_TPS65910
Select this option to enable GPIO driver for the TPS65910
chip family.

+config GPIO_TPS65912
+ tristate "TI TPS65912 GPIO"
+ depends on MFD_TPS65912
+ help
+ This driver supports TPS65912 gpio chip
+
config GPIO_TWL4030
tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
depends on TWL4030_CORE
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 605bf89..f79a7c4 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -96,6 +96,7 @@ obj-$(CONFIG_GPIO_TIMBERDALE) += gpio-timberdale.o
obj-$(CONFIG_GPIO_PALMAS) += gpio-palmas.o
obj-$(CONFIG_GPIO_TPS6586X) += gpio-tps6586x.o
obj-$(CONFIG_GPIO_TPS65910) += gpio-tps65910.o
+obj-$(CONFIG_GPIO_TPS65912) += gpio-tps65912.o
obj-$(CONFIG_GPIO_TS5500) += gpio-ts5500.o
obj-$(CONFIG_GPIO_TWL4030) += gpio-twl4030.o
obj-$(CONFIG_GPIO_TWL6040) += gpio-twl6040.o
diff --git a/drivers/gpio/gpio-tps65912.c b/drivers/gpio/gpio-tps65912.c
new file mode 100644
index 0000000..4707e62
--- /dev/null
+++ b/drivers/gpio/gpio-tps65912.c
@@ -0,0 +1,138 @@
+/*
+ * TI TPS65912x GPIO Driver
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author: Andrew F. Davis <afd@xxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the Arizona GPIO driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
+ */
+
+#include <linux/gpio.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+
+#include <linux/mfd/tps65912.h>
+
+struct tps65912_gpio {
+ struct tps65912 *tps;
+ struct gpio_chip gpio_chip;
+};
+
+#define to_gpio(gc) container_of(gc, struct tps65912_gpio, gpio_chip)
+
+static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset)
+{
+ struct tps65912_gpio *gpio = to_gpio(gc);
+ int ret, val;
+
+ ret = regmap_read(gpio->tps->regmap, TPS65912_GPIO1 + offset, &val);
+ if (ret < 0)
+ return ret;
+
+ return val & GPIO_STS_MASK;
+}
+
+static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset,
+ int value)
+{
+ struct tps65912_gpio *gpio = to_gpio(gc);
+
+ regmap_update_bits(gpio->tps->regmap, TPS65912_GPIO1 + offset,
+ GPIO_SET_MASK, value ? GPIO_SET_MASK : 0);
+}
+
+static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset,
+ int value)
+{
+ struct tps65912_gpio *gpio = to_gpio(gc);
+
+ /* Set the initial value */
+ tps65912_gpio_set(gc, offset, value);
+
+ return regmap_update_bits(gpio->tps->regmap, TPS65912_GPIO1 + offset,
+ GPIO_CFG_MASK, GPIO_CFG_MASK);
+}
+
+static int tps65912_gpio_input(struct gpio_chip *gc, unsigned offset)
+{
+ struct tps65912_gpio *gpio = to_gpio(gc);
+
+ return regmap_update_bits(gpio->tps->regmap, TPS65912_GPIO1 + offset,
+ GPIO_CFG_MASK, 0);
+}
+
+static const struct of_device_id tps65912_gpio_of_match_table[] = {
+ { .compatible = "ti,tps65912-gpio", },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, tps65912_gpio_of_match_table);
+
+static struct gpio_chip template_chip = {
+ .label = "tps65912-gpio",
+ .owner = THIS_MODULE,
+ .direction_input = tps65912_gpio_input,
+ .direction_output = tps65912_gpio_output,
+ .get = tps65912_gpio_get,
+ .set = tps65912_gpio_set,
+ .can_sleep = true,
+ .ngpio = 5,
+ .base = -1,
+};
+
+static int tps65912_gpio_probe(struct platform_device *pdev)
+{
+ struct tps65912_gpio *gpio;
+ int ret;
+
+ gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);
+ if (!gpio)
+ return -ENOMEM;
+
+ gpio->tps = dev_get_drvdata(pdev->dev.parent);
+ gpio->gpio_chip = template_chip;
+ ret = gpiochip_add(&gpio->gpio_chip);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, gpio);
+
+ return 0;
+}
+
+static int tps65912_gpio_remove(struct platform_device *pdev)
+{
+ struct tps65912_gpio *gpio = platform_get_drvdata(pdev);
+
+ gpiochip_remove(&gpio->gpio_chip);
+
+ return 0;
+}
+
+static struct platform_driver tps65912_gpio_driver = {
+ .driver = {
+ .name = "tps65912-gpio",
+ .of_match_table = tps65912_gpio_of_match_table,
+ },
+ .probe = tps65912_gpio_probe,
+ .remove = tps65912_gpio_remove,
+};
+
+module_platform_driver(tps65912_gpio_driver);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
+MODULE_DESCRIPTION("TPS65912 GPIO driver");
+MODULE_ALIAS("platform:tps65912-gpio");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 9a8df8e..4663658 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1167,6 +1167,30 @@ config MFD_TPS65910
if you say yes here you get support for the TPS65910 series of
Power Management chips.

+config MFD_TPS65912
+ tristate
+ select REGMAP
+ select REGMAP_IRQ
+ select MFD_CORE
+
+config MFD_TPS65912_I2C
+ tristate "TI TPS65912 Power Management chip with I2C"
+ select MFD_TPS65912
+ select REGMAP_I2C
+ depends on I2C
+ help
+ If you say yes here you get support for the TPS65912 series of
+ PM chips with I2C interface.
+
+config MFD_TPS65912_SPI
+ tristate "TI TPS65912 Power Management chip with SPI"
+ select MFD_TPS65912
+ select REGMAP_SPI
+ depends on SPI_MASTER
+ help
+ If you say yes here you get support for the TPS65912 series of
+ PM chips with SPI interface.
+
config MFD_TPS80031
bool "TI TPS80031/TPS80032 Power Management chips"
depends on I2C=y
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 004aa76..49c3530 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -69,6 +69,9 @@ obj-$(CONFIG_TPS6507X) += tps6507x.o
obj-$(CONFIG_MFD_TPS65217) += tps65217.o
obj-$(CONFIG_MFD_TPS65218) += tps65218.o
obj-$(CONFIG_MFD_TPS65910) += tps65910.o
+obj-$(CONFIG_MFD_TPS65912) += tps65912-core.o
+obj-$(CONFIG_MFD_TPS65912_I2C) += tps65912-i2c.o
+obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o
obj-$(CONFIG_MFD_TPS80031) += tps80031.o
obj-$(CONFIG_MENELAUS) += menelaus.o

diff --git a/drivers/mfd/tps65912-core.c b/drivers/mfd/tps65912-core.c
new file mode 100644
index 0000000..8dd1aac
--- /dev/null
+++ b/drivers/mfd/tps65912-core.c
@@ -0,0 +1,114 @@
+/*
+ * Core functions for TI TPS65912x PMIC
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author: Andrew F. Davis <afd@xxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
+ */
+
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+
+#include <linux/mfd/tps65912.h>
+
+#define TPS65912_IRQ(_name, _reg, _offset) \
+ [TPS65912_IRQ_ ## _name] = { \
+ .mask = TPS65912_ ## _reg ## _ ## _name, \
+ .reg_offset = _offset, \
+ }
+
+static const struct regmap_irq tps65912_irqs[] = {
+ /* INT_STS IRQs */
+ TPS65912_IRQ(PWRHOLD_F, INT_STS, 0),
+ TPS65912_IRQ(VMON, INT_STS, 0),
+ TPS65912_IRQ(PWRON, INT_STS, 0),
+ TPS65912_IRQ(PWRON_LP, INT_STS, 0),
+ TPS65912_IRQ(PWRHOLD_R, INT_STS, 0),
+ TPS65912_IRQ(HOTDIE, INT_STS, 0),
+ TPS65912_IRQ(GPIO1_R, INT_STS, 0),
+ TPS65912_IRQ(GPIO1_F, INT_STS, 0),
+ /* INT_STS2 IRQs */
+ TPS65912_IRQ(GPIO2_R, INT_STS2, 1),
+ TPS65912_IRQ(GPIO2_F, INT_STS2, 1),
+ TPS65912_IRQ(GPIO3_R, INT_STS2, 1),
+ TPS65912_IRQ(GPIO3_F, INT_STS2, 1),
+ TPS65912_IRQ(GPIO4_R, INT_STS2, 1),
+ TPS65912_IRQ(GPIO4_F, INT_STS2, 1),
+ TPS65912_IRQ(GPIO5_R, INT_STS2, 1),
+ TPS65912_IRQ(GPIO5_F, INT_STS2, 1),
+ /* INT_STS3 IRQs */
+ TPS65912_IRQ(PGOOD_DCDC1, INT_STS3, 2),
+ TPS65912_IRQ(PGOOD_DCDC2, INT_STS3, 2),
+ TPS65912_IRQ(PGOOD_DCDC3, INT_STS3, 2),
+ TPS65912_IRQ(PGOOD_DCDC4, INT_STS3, 2),
+ TPS65912_IRQ(PGOOD_LDO1, INT_STS3, 2),
+ TPS65912_IRQ(PGOOD_LDO2, INT_STS3, 2),
+ TPS65912_IRQ(PGOOD_LDO3, INT_STS3, 2),
+ TPS65912_IRQ(PGOOD_LDO4, INT_STS3, 2),
+ /* INT_STS4 IRQs */
+ TPS65912_IRQ(PGOOD_LDO5, INT_STS4, 3),
+ TPS65912_IRQ(PGOOD_LDO6, INT_STS4, 3),
+ TPS65912_IRQ(PGOOD_LDO7, INT_STS4, 3),
+ TPS65912_IRQ(PGOOD_LDO8, INT_STS4, 3),
+ TPS65912_IRQ(PGOOD_LDO9, INT_STS4, 3),
+ TPS65912_IRQ(PGOOD_LDO10, INT_STS4, 3),
+};
+
+static struct regmap_irq_chip tps65912_irq_chip = {
+ .name = "tps65912",
+ .irqs = tps65912_irqs,
+ .num_irqs = ARRAY_SIZE(tps65912_irqs),
+ .num_regs = 4,
+ .irq_reg_stride = 2,
+ .mask_base = TPS65912_INT_MSK,
+ .status_base = TPS65912_INT_STS,
+ .ack_base = TPS65912_INT_STS,
+ .init_ack_masked = true,
+};
+
+int tps65912_device_init(struct tps65912 *tps)
+{
+ int ret;
+
+ ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
+ &tps65912_irq_chip, &tps->irq_data);
+ if (ret < 0)
+ return ret;
+
+ ret = of_platform_populate(tps->dev->of_node, NULL, NULL, tps->dev);
+ if (ret < 0)
+ goto err_irq;
+
+ return 0;
+
+err_irq:
+ regmap_del_irq_chip(tps->irq, tps->irq_data);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(tps65912_device_init);
+
+int tps65912_device_exit(struct tps65912 *tps)
+{
+ regmap_del_irq_chip(tps->irq, tps->irq_data);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tps65912_device_exit);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
+MODULE_DESCRIPTION("TPS65912x MFD Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/tps65912-i2c.c b/drivers/mfd/tps65912-i2c.c
new file mode 100644
index 0000000..ca640c4
--- /dev/null
+++ b/drivers/mfd/tps65912-i2c.c
@@ -0,0 +1,86 @@
+/*
+ * I2C access driver for TI TPS65912x PMIC
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author: Andrew F. Davis <afd@xxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
+ */
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+
+#include <linux/mfd/tps65912.h>
+
+static const struct of_device_id tps65912_i2c_of_match_table[] = {
+ { .compatible = "ti,tps65912", },
+ { /* sentinel */ }
+};
+
+static int tps65912_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *ids)
+{
+ struct tps65912 *tps;
+
+ tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
+ if (!tps)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, tps);
+ tps->dev = &client->dev;
+ tps->irq = client->irq;
+
+ tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config);
+ if (IS_ERR(tps->regmap)) {
+ int ret = PTR_ERR(tps->regmap);
+
+ dev_err(tps->dev, "Failed to allocate register map: %d\n",
+ ret);
+
+ return ret;
+ }
+
+ return tps65912_device_init(tps);
+}
+
+static int tps65912_i2c_remove(struct i2c_client *client)
+{
+ struct tps65912 *tps = i2c_get_clientdata(client);
+
+ return tps65912_device_exit(tps);
+}
+
+static const struct i2c_device_id tps65912_i2c_id_table[] = {
+ { "tps65912", 0 },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table);
+
+static struct i2c_driver tps65912_i2c_driver = {
+ .driver = {
+ .name = "tps65912",
+ .of_match_table = tps65912_i2c_of_match_table,
+ },
+ .probe = tps65912_i2c_probe,
+ .remove = tps65912_i2c_remove,
+ .id_table = tps65912_i2c_id_table,
+};
+
+module_i2c_driver(tps65912_i2c_driver);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
+MODULE_DESCRIPTION("TPS65912x I2C Interface Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/tps65912-spi.c b/drivers/mfd/tps65912-spi.c
new file mode 100644
index 0000000..799f835
--- /dev/null
+++ b/drivers/mfd/tps65912-spi.c
@@ -0,0 +1,85 @@
+/*
+ * SPI access driver for TI TPS65912x PMIC
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author: Andrew F. Davis <afd@xxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
+ */
+
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#include <linux/mfd/tps65912.h>
+
+static const struct of_device_id tps65912_spi_of_match_table[] = {
+ { .compatible = "ti,tps65912", },
+ { /* sentinel */ }
+};
+
+static int tps65912_spi_probe(struct spi_device *spi)
+{
+ struct tps65912 *tps;
+
+ tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL);
+ if (!tps)
+ return -ENOMEM;
+
+ spi_set_drvdata(spi, tps);
+ tps->dev = &spi->dev;
+ tps->irq = spi->irq;
+
+ tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config);
+ if (IS_ERR(tps->regmap)) {
+ int ret = PTR_ERR(tps->regmap);
+
+ dev_err(tps->dev, "Failed to allocate register map: %d\n",
+ ret);
+
+ return ret;
+ }
+
+ return tps65912_device_init(tps);
+}
+
+static int tps65912_spi_remove(struct spi_device *client)
+{
+ struct tps65912 *tps = spi_get_drvdata(client);
+
+ return tps65912_device_exit(tps);
+}
+
+static const struct spi_device_id tps65912_spi_id_table[] = {
+ { "tps65912", 0 },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table);
+
+static struct spi_driver tps65912_spi_driver = {
+ .driver = {
+ .name = "tps65912",
+ .of_match_table = tps65912_spi_of_match_table,
+ },
+ .probe = tps65912_spi_probe,
+ .remove = tps65912_spi_remove,
+ .id_table = tps65912_spi_id_table,
+};
+
+module_spi_driver(tps65912_spi_driver);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
+MODULE_DESCRIPTION("TPS65912x SPI Interface Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 3cb2de9..1dec96a 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -727,6 +727,12 @@ config REGULATOR_TPS65910
help
This driver supports TPS65910/TPS65911 voltage regulator chips.

+config REGULATOR_TPS65912
+ tristate "TI TPS65912 Power regulator"
+ depends on MFD_TPS65912
+ help
+ This driver supports TPS65912 voltage regulator chip.
+
config REGULATOR_TPS80031
tristate "TI TPS80031/TPS80032 power regualtor driver"
depends on MFD_TPS80031
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 222ff5f..0f81749 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -91,6 +91,7 @@ obj-$(CONFIG_REGULATOR_TPS65218) += tps65218-regulator.o
obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
+obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
obj-$(CONFIG_REGULATOR_TPS80031) += tps80031-regulator.o
obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress.o
diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c
new file mode 100644
index 0000000..343dae1
--- /dev/null
+++ b/drivers/regulator/tps65912-regulator.c
@@ -0,0 +1,240 @@
+/*
+ * Regulator driver for TPS65912x PMIC
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author: Andrew F. Davis <afd@xxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
+ */
+
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/of_regulator.h>
+
+#include <linux/mfd/tps65912.h>
+
+enum tps65912_regulators { DCDC1, DCDC2, DCDC3, DCDC4, LDO1, LDO2, LDO3,
+ LDO4, LDO5, LDO6, LDO7, LDO8, LDO9, LDO10 };
+
+#define TPS65912_REGULATOR(_name, _id, _ops, _vr, _er, _lr, _nlr) \
+ { \
+ .name = _name, \
+ .id = _id, \
+ .ops = &_ops, \
+ .n_voltages = 64, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .vsel_reg = _vr, \
+ .vsel_mask = 0x3f, \
+ .enable_reg = _er, \
+ .enable_mask = BIT(7), \
+ .volt_table = NULL, \
+ .linear_ranges = _lr, \
+ .n_linear_ranges = _nlr, \
+ } \
+
+#define TPS65912_INFO(_id, _nm, _min, _max) \
+ [_id] = { \
+ .id = _id, \
+ .name = _nm, \
+ .min_uV = _min, \
+ .max_uV = _max, \
+ }
+
+static const struct regulator_linear_range tps65912_dcdc_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0x0, 0x3f, 50000),
+};
+
+static const struct regulator_linear_range tps65912_ldo_ranges[] = {
+ REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 25000),
+ REGULATOR_LINEAR_RANGE(1650000, 0x21, 0x3c, 50000),
+ REGULATOR_LINEAR_RANGE(3100000, 0x3d, 0x3f, 100000),
+};
+
+static struct tps_info tps65912_pmic_regs[] = {
+ TPS65912_INFO(DCDC1, "DCDC1", 500000, 3800000),
+ TPS65912_INFO(DCDC2, "DCDC2", 500000, 3800000),
+ TPS65912_INFO(DCDC3, "DCDC3", 500000, 3800000),
+ TPS65912_INFO(DCDC4, "DCDC4", 500000, 3800000),
+ TPS65912_INFO(LDO1, "LDO1", 800000, 3300000),
+ TPS65912_INFO(LDO2, "LDO2", 800000, 3300000),
+ TPS65912_INFO(LDO3, "LDO3", 800000, 3300000),
+ TPS65912_INFO(LDO4, "LDO4", 1600000, 3300000),
+ TPS65912_INFO(LDO5, "LDO5", 1600000, 3300000),
+ TPS65912_INFO(LDO6, "LDO6", 800000, 3300000),
+ TPS65912_INFO(LDO7, "LDO7", 800000, 3300000),
+ TPS65912_INFO(LDO8, "LDO8", 800000, 3300000),
+ TPS65912_INFO(LDO9, "LDO9", 800000, 3300000),
+ TPS65912_INFO(LDO10, "LDO10", 800000, 3300000),
+};
+
+#define TPS65912_OF_MATCH(comp, label) \
+ { \
+ .compatible = comp, \
+ .data = &label, \
+ }
+
+static const struct of_device_id tps65912_regulator_of_match_table[] = {
+ TPS65912_OF_MATCH("ti,tps65912-dcdc1", tps65912_pmic_regs[DCDC1]),
+ TPS65912_OF_MATCH("ti,tps65912-dcdc2", tps65912_pmic_regs[DCDC2]),
+ TPS65912_OF_MATCH("ti,tps65912-dcdc3", tps65912_pmic_regs[DCDC3]),
+ TPS65912_OF_MATCH("ti,tps65912-dcdc4", tps65912_pmic_regs[DCDC4]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo1", tps65912_pmic_regs[LDO1]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo2", tps65912_pmic_regs[LDO2]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo3", tps65912_pmic_regs[LDO3]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo4", tps65912_pmic_regs[LDO4]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo5", tps65912_pmic_regs[LDO5]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo6", tps65912_pmic_regs[LDO6]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo7", tps65912_pmic_regs[LDO7]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo8", tps65912_pmic_regs[LDO8]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo9", tps65912_pmic_regs[LDO9]),
+ TPS65912_OF_MATCH("ti,tps65912-ldo10", tps65912_pmic_regs[LDO10]),
+ { /*sentinel*/ },
+};
+MODULE_DEVICE_TABLE(of, tps65912_regulator_of_match_table);
+
+/* Operations permitted on DCDCx */
+static struct regulator_ops tps65912_ops_dcdc = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+};
+
+/* Operations permitted on LDOx */
+static struct regulator_ops tps65912_ops_ldo = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+};
+
+static const struct regulator_desc regulators[] = {
+ TPS65912_REGULATOR("DCDC1", TPS65912_DCDC_1, tps65912_ops_dcdc,
+ TPS65912_DCDC1_OP, TPS65912_DCDC1_CTRL,
+ tps65912_dcdc_ranges,
+ ARRAY_SIZE(tps65912_dcdc_ranges)),
+ TPS65912_REGULATOR("DCDC2", TPS65912_DCDC_2, tps65912_ops_dcdc,
+ TPS65912_DCDC2_OP, TPS65912_DCDC2_CTRL,
+ tps65912_dcdc_ranges,
+ ARRAY_SIZE(tps65912_dcdc_ranges)),
+ TPS65912_REGULATOR("DCDC3", TPS65912_DCDC_3, tps65912_ops_dcdc,
+ TPS65912_DCDC3_OP, TPS65912_DCDC3_CTRL,
+ tps65912_dcdc_ranges,
+ ARRAY_SIZE(tps65912_dcdc_ranges)),
+ TPS65912_REGULATOR("DCDC4", TPS65912_DCDC_4, tps65912_ops_dcdc,
+ TPS65912_DCDC4_OP, TPS65912_DCDC4_CTRL,
+ tps65912_dcdc_ranges,
+ ARRAY_SIZE(tps65912_dcdc_ranges)),
+ TPS65912_REGULATOR("LDO1", TPS65912_LDO_1, tps65912_ops_ldo,
+ TPS65912_LDO1_OP, TPS65912_LDO1_AVS,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO2", TPS65912_LDO_2, tps65912_ops_ldo,
+ TPS65912_LDO2_OP, TPS65912_LDO2_AVS,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO3", TPS65912_LDO_3, tps65912_ops_ldo,
+ TPS65912_LDO3_OP, TPS65912_LDO3_AVS,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO4", TPS65912_LDO_4, tps65912_ops_ldo,
+ TPS65912_LDO4_OP, TPS65912_LDO4_AVS,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO5", TPS65912_LDO_5, tps65912_ops_ldo,
+ TPS65912_LDO5, TPS65912_LDO5,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO6", TPS65912_LDO_6, tps65912_ops_ldo,
+ TPS65912_LDO6, TPS65912_LDO6,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO7", TPS65912_LDO_7, tps65912_ops_ldo,
+ TPS65912_LDO7, TPS65912_LDO7,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO8", TPS65912_LDO_8, tps65912_ops_ldo,
+ TPS65912_LDO8, TPS65912_LDO8,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO9", TPS65912_LDO_9, tps65912_ops_ldo,
+ TPS65912_LDO9, TPS65912_LDO9,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+ TPS65912_REGULATOR("LDO10", TPS65912_LDO_10, tps65912_ops_ldo,
+ TPS65912_LDO10, TPS65912_LDO10,
+ tps65912_ldo_ranges,
+ ARRAY_SIZE(tps65912_ldo_ranges)),
+};
+
+static int tps65912_regulator_probe(struct platform_device *pdev)
+{
+ struct tps65912 *tps = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_init_data *init_data;
+ const struct tps_info *template;
+ struct regulator_dev *rdev;
+ const struct of_device_id *match;
+ struct regulator_config config = { };
+ int id;
+
+ match = of_match_device(tps65912_regulator_of_match_table, &pdev->dev);
+ if (!match)
+ return -ENODEV;
+
+ template = match->data;
+ id = template->id;
+ init_data = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
+ &regulators[id]);
+
+ platform_set_drvdata(pdev, tps);
+
+ tps->info[id] = &tps65912_pmic_regs[id];
+ config.dev = &pdev->dev;
+ config.init_data = init_data;
+ config.driver_data = tps;
+ config.regmap = tps->regmap;
+ config.of_node = pdev->dev.of_node;
+
+ rdev = devm_regulator_register(&pdev->dev, &regulators[id], &config);
+ if (IS_ERR(rdev)) {
+ dev_err(tps->dev, "failed to register %s regulator\n",
+ pdev->name);
+ return PTR_ERR(rdev);
+ }
+
+ return 0;
+}
+
+static struct platform_driver tps65912_regulator_driver = {
+ .driver = {
+ .name = "tps65912-pmic",
+ .of_match_table = tps65912_regulator_of_match_table,
+ },
+ .probe = tps65912_regulator_probe,
+};
+
+module_platform_driver(tps65912_regulator_driver);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
+MODULE_DESCRIPTION("TPS65912 voltage regulator driver");
+MODULE_ALIAS("platform:tps65912-pmic");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mfd/tps65912.h b/include/linux/mfd/tps65912.h
new file mode 100644
index 0000000..e5ebd48
--- /dev/null
+++ b/include/linux/mfd/tps65912.h
@@ -0,0 +1,393 @@
+/*
+ * TI TPS65912x
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author: Andrew F. Davis <afd@xxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
+ */
+
+#ifndef __LINUX_MFD_TPS65912_H
+#define __LINUX_MFD_TPS65912_H
+
+#include <linux/device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+
+/* List of registers for TPS65912 */
+#define TPS65912_DCDC1_CTRL 0x00
+#define TPS65912_DCDC2_CTRL 0x01
+#define TPS65912_DCDC3_CTRL 0x02
+#define TPS65912_DCDC4_CTRL 0x03
+#define TPS65912_DCDC1_OP 0x04
+#define TPS65912_DCDC1_AVS 0x05
+#define TPS65912_DCDC1_LIMIT 0x06
+#define TPS65912_DCDC2_OP 0x07
+#define TPS65912_DCDC2_AVS 0x08
+#define TPS65912_DCDC2_LIMIT 0x09
+#define TPS65912_DCDC3_OP 0x0A
+#define TPS65912_DCDC3_AVS 0x0B
+#define TPS65912_DCDC3_LIMIT 0x0C
+#define TPS65912_DCDC4_OP 0x0D
+#define TPS65912_DCDC4_AVS 0x0E
+#define TPS65912_DCDC4_LIMIT 0x0F
+#define TPS65912_LDO1_OP 0x10
+#define TPS65912_LDO1_AVS 0x11
+#define TPS65912_LDO1_LIMIT 0x12
+#define TPS65912_LDO2_OP 0x13
+#define TPS65912_LDO2_AVS 0x14
+#define TPS65912_LDO2_LIMIT 0x15
+#define TPS65912_LDO3_OP 0x16
+#define TPS65912_LDO3_AVS 0x17
+#define TPS65912_LDO3_LIMIT 0x18
+#define TPS65912_LDO4_OP 0x19
+#define TPS65912_LDO4_AVS 0x1A
+#define TPS65912_LDO4_LIMIT 0x1B
+#define TPS65912_LDO5 0x1C
+#define TPS65912_LDO6 0x1D
+#define TPS65912_LDO7 0x1E
+#define TPS65912_LDO8 0x1F
+#define TPS65912_LDO9 0x20
+#define TPS65912_LDO10 0x21
+#define TPS65912_THRM 0x22
+#define TPS65912_CLK32OUT 0x23
+#define TPS65912_DEVCTRL 0x24
+#define TPS65912_DEVCTRL2 0x25
+#define TPS65912_I2C_SPI_CFG 0x26
+#define TPS65912_KEEP_ON 0x27
+#define TPS65912_KEEP_ON2 0x28
+#define TPS65912_SET_OFF1 0x29
+#define TPS65912_SET_OFF2 0x2A
+#define TPS65912_DEF_VOLT 0x2B
+#define TPS65912_DEF_VOLT_MAPPING 0x2C
+#define TPS65912_DISCHARGE 0x2D
+#define TPS65912_DISCHARGE2 0x2E
+#define TPS65912_EN1_SET1 0x2F
+#define TPS65912_EN1_SET2 0x30
+#define TPS65912_EN2_SET1 0x31
+#define TPS65912_EN2_SET2 0x32
+#define TPS65912_EN3_SET1 0x33
+#define TPS65912_EN3_SET2 0x34
+#define TPS65912_EN4_SET1 0x35
+#define TPS65912_EN4_SET2 0x36
+#define TPS65912_PGOOD 0x37
+#define TPS65912_PGOOD2 0x38
+#define TPS65912_INT_STS 0x39
+#define TPS65912_INT_MSK 0x3A
+#define TPS65912_INT_STS2 0x3B
+#define TPS65912_INT_MSK2 0x3C
+#define TPS65912_INT_STS3 0x3D
+#define TPS65912_INT_MSK3 0x3E
+#define TPS65912_INT_STS4 0x3F
+#define TPS65912_INT_MSK4 0x40
+#define TPS65912_GPIO1 0x41
+#define TPS65912_GPIO2 0x42
+#define TPS65912_GPIO3 0x43
+#define TPS65912_GPIO4 0x44
+#define TPS65912_GPIO5 0x45
+#define TPS65912_VMON 0x46
+#define TPS65912_LEDA_CTRL1 0x47
+#define TPS65912_LEDA_CTRL2 0x48
+#define TPS65912_LEDA_CTRL3 0x49
+#define TPS65912_LEDA_CTRL4 0x4A
+#define TPS65912_LEDA_CTRL5 0x4B
+#define TPS65912_LEDA_CTRL6 0x4C
+#define TPS65912_LEDA_CTRL7 0x4D
+#define TPS65912_LEDA_CTRL8 0x4E
+#define TPS65912_LEDB_CTRL1 0x4F
+#define TPS65912_LEDB_CTRL2 0x50
+#define TPS65912_LEDB_CTRL3 0x51
+#define TPS65912_LEDB_CTRL4 0x52
+#define TPS65912_LEDB_CTRL5 0x53
+#define TPS65912_LEDB_CTRL6 0x54
+#define TPS65912_LEDB_CTRL7 0x55
+#define TPS65912_LEDB_CTRL8 0x56
+#define TPS65912_LEDC_CTRL1 0x57
+#define TPS65912_LEDC_CTRL2 0x58
+#define TPS65912_LEDC_CTRL3 0x59
+#define TPS65912_LEDC_CTRL4 0x5A
+#define TPS65912_LEDC_CTRL5 0x5B
+#define TPS65912_LEDC_CTRL6 0x5C
+#define TPS65912_LEDC_CTRL7 0x5D
+#define TPS65912_LEDC_CTRL8 0x5E
+#define TPS65912_LED_RAMP_UP_TIME 0x5F
+#define TPS65912_LED_RAMP_DOWN_TIME 0x60
+#define TPS65912_LED_SEQ_EN 0x61
+#define TPS65912_LOADSWITCH 0x62
+#define TPS65912_SPARE 0x63
+#define TPS65912_VERNUM 0x64
+#define TPS6591X_MAX_REGISTER 0x64
+
+/* INT_STS Register field definitions */
+#define TPS65912_INT_STS_PWRHOLD_F BIT(0)
+#define TPS65912_INT_STS_VMON BIT(1)
+#define TPS65912_INT_STS_PWRON BIT(2)
+#define TPS65912_INT_STS_PWRON_LP BIT(3)
+#define TPS65912_INT_STS_PWRHOLD_R BIT(4)
+#define TPS65912_INT_STS_HOTDIE BIT(5)
+#define TPS65912_INT_STS_GPIO1_R BIT(6)
+#define TPS65912_INT_STS_GPIO1_F BIT(7)
+
+/* INT_STS Register field definitions */
+#define TPS65912_INT_STS2_GPIO2_R BIT(0)
+#define TPS65912_INT_STS2_GPIO2_F BIT(1)
+#define TPS65912_INT_STS2_GPIO3_R BIT(2)
+#define TPS65912_INT_STS2_GPIO3_F BIT(3)
+#define TPS65912_INT_STS2_GPIO4_R BIT(4)
+#define TPS65912_INT_STS2_GPIO4_F BIT(5)
+#define TPS65912_INT_STS2_GPIO5_R BIT(6)
+#define TPS65912_INT_STS2_GPIO5_F BIT(7)
+
+/* INT_STS Register field definitions */
+#define TPS65912_INT_STS3_PGOOD_DCDC1 BIT(0)
+#define TPS65912_INT_STS3_PGOOD_DCDC2 BIT(1)
+#define TPS65912_INT_STS3_PGOOD_DCDC3 BIT(2)
+#define TPS65912_INT_STS3_PGOOD_DCDC4 BIT(3)
+#define TPS65912_INT_STS3_PGOOD_LDO1 BIT(4)
+#define TPS65912_INT_STS3_PGOOD_LDO2 BIT(5)
+#define TPS65912_INT_STS3_PGOOD_LDO3 BIT(6)
+#define TPS65912_INT_STS3_PGOOD_LDO4 BIT(7)
+
+/* INT_STS Register field definitions */
+#define TPS65912_INT_STS4_PGOOD_LDO5 BIT(0)
+#define TPS65912_INT_STS4_PGOOD_LDO6 BIT(1)
+#define TPS65912_INT_STS4_PGOOD_LDO7 BIT(2)
+#define TPS65912_INT_STS4_PGOOD_LDO8 BIT(3)
+#define TPS65912_INT_STS4_PGOOD_LDO9 BIT(4)
+#define TPS65912_INT_STS4_PGOOD_LDO10 BIT(5)
+
+/* GPIO 1 and 2 Register field definitions */
+#define GPIO_SLEEP_MASK 0x80
+#define GPIO_SLEEP_SHIFT 7
+#define GPIO_DEB_MASK 0x10
+#define GPIO_DEB_SHIFT 4
+#define GPIO_CFG_MASK 0x04
+#define GPIO_CFG_SHIFT 2
+#define GPIO_STS_MASK 0x02
+#define GPIO_STS_SHIFT 1
+#define GPIO_SET_MASK 0x01
+#define GPIO_SET_SHIFT 0
+
+/* GPIO 3 Register field definitions */
+#define GPIO3_SLEEP_MASK 0x80
+#define GPIO3_SLEEP_SHIFT 7
+#define GPIO3_SEL_MASK 0x40
+#define GPIO3_SEL_SHIFT 6
+#define GPIO3_ODEN_MASK 0x20
+#define GPIO3_ODEN_SHIFT 5
+#define GPIO3_DEB_MASK 0x10
+#define GPIO3_DEB_SHIFT 4
+#define GPIO3_PDEN_MASK 0x08
+#define GPIO3_PDEN_SHIFT 3
+#define GPIO3_CFG_MASK 0x04
+#define GPIO3_CFG_SHIFT 2
+#define GPIO3_STS_MASK 0x02
+#define GPIO3_STS_SHIFT 1
+#define GPIO3_SET_MASK 0x01
+#define GPIO3_SET_SHIFT 0
+
+/* GPIO 4 Register field definitions */
+#define GPIO4_SLEEP_MASK 0x80
+#define GPIO4_SLEEP_SHIFT 7
+#define GPIO4_SEL_MASK 0x40
+#define GPIO4_SEL_SHIFT 6
+#define GPIO4_ODEN_MASK 0x20
+#define GPIO4_ODEN_SHIFT 5
+#define GPIO4_DEB_MASK 0x10
+#define GPIO4_DEB_SHIFT 4
+#define GPIO4_PDEN_MASK 0x08
+#define GPIO4_PDEN_SHIFT 3
+#define GPIO4_CFG_MASK 0x04
+#define GPIO4_CFG_SHIFT 2
+#define GPIO4_STS_MASK 0x02
+#define GPIO4_STS_SHIFT 1
+#define GPIO4_SET_MASK 0x01
+#define GPIO4_SET_SHIFT 0
+
+/* Register THERM (0x80) register.RegisterDescription */
+#define THERM_THERM_HD_MASK 0x20
+#define THERM_THERM_HD_SHIFT 5
+#define THERM_THERM_TS_MASK 0x10
+#define THERM_THERM_TS_SHIFT 4
+#define THERM_THERM_HDSEL_MASK 0x0C
+#define THERM_THERM_HDSEL_SHIFT 2
+#define THERM_RSVD1_MASK 0x02
+#define THERM_RSVD1_SHIFT 1
+#define THERM_THERM_STATE_MASK 0x01
+#define THERM_THERM_STATE_SHIFT 0
+
+/* Register DCDCCTRL1 register.RegisterDescription */
+#define DCDCCTRL_VCON_ENABLE_MASK 0x80
+#define DCDCCTRL_VCON_ENABLE_SHIFT 7
+#define DCDCCTRL_VCON_RANGE1_MASK 0x40
+#define DCDCCTRL_VCON_RANGE1_SHIFT 6
+#define DCDCCTRL_VCON_RANGE0_MASK 0x20
+#define DCDCCTRL_VCON_RANGE0_SHIFT 5
+#define DCDCCTRL_TSTEP2_MASK 0x10
+#define DCDCCTRL_TSTEP2_SHIFT 4
+#define DCDCCTRL_TSTEP1_MASK 0x08
+#define DCDCCTRL_TSTEP1_SHIFT 3
+#define DCDCCTRL_TSTEP0_MASK 0x04
+#define DCDCCTRL_TSTEP0_SHIFT 2
+#define DCDCCTRL_DCDC1_MODE_MASK 0x02
+#define DCDCCTRL_DCDC1_MODE_SHIFT 1
+
+/* Register DCDCCTRL2 and DCDCCTRL3 register.RegisterDescription */
+#define DCDCCTRL_TSTEP2_MASK 0x10
+#define DCDCCTRL_TSTEP2_SHIFT 4
+#define DCDCCTRL_TSTEP1_MASK 0x08
+#define DCDCCTRL_TSTEP1_SHIFT 3
+#define DCDCCTRL_TSTEP0_MASK 0x04
+#define DCDCCTRL_TSTEP0_SHIFT 2
+#define DCDCCTRL_DCDC_MODE_MASK 0x02
+#define DCDCCTRL_DCDC_MODE_SHIFT 1
+#define DCDCCTRL_RSVD0_MASK 0x01
+#define DCDCCTRL_RSVD0_SHIFT 0
+
+/* Register DCDCCTRL4 register.RegisterDescription */
+#define DCDCCTRL_RAMP_TIME_MASK 0x01
+#define DCDCCTRL_RAMP_TIME_SHIFT 0
+
+/* Register DCDCx_AVS */
+#define DCDC_AVS_ENABLE_MASK 0x80
+#define DCDC_AVS_ENABLE_SHIFT 7
+#define DCDC_AVS_ECO_MASK 0x40
+#define DCDC_AVS_ECO_SHIFT 6
+
+/* Register DCDCx_LIMIT */
+#define DCDC_LIMIT_RANGE_MASK 0xC0
+#define DCDC_LIMIT_RANGE_SHIFT 6
+#define DCDC_LIMIT_MAX_SEL_MASK 0x3F
+#define DCDC_LIMIT_MAX_SEL_SHIFT 0
+
+enum tps65912_regulator_id {
+ /* DCDC's */
+ TPS65912_DCDC_1,
+ TPS65912_DCDC_2,
+ TPS65912_DCDC_3,
+ TPS65912_DCDC_4,
+ /* LDOs */
+ TPS65912_LDO_1,
+ TPS65912_LDO_2,
+ TPS65912_LDO_3,
+ TPS65912_LDO_4,
+ TPS65912_LDO_5,
+ TPS65912_LDO_6,
+ TPS65912_LDO_7,
+ TPS65912_LDO_8,
+ TPS65912_LDO_9,
+ TPS65912_LDO_10,
+};
+
+#define TPS65912_MAX_REG_ID TPS65912_LDO_10
+
+/* Number of step-down converters available */
+#define TPS65912_NUM_DCDC 4
+/* Number of LDO voltage regulators available */
+#define TPS65912_NUM_LDO 10
+/* Number of total regulators available */
+#define TPS65912_NUM_REGULATOR (TPS65912_NUM_DCDC + TPS65912_NUM_LDO)
+
+/* Define the TPS65912 IRQ numbers */
+enum tps65912_irqs {
+ /* INT_STS registers */
+ TPS65912_IRQ_PWRHOLD_F,
+ TPS65912_IRQ_VMON,
+ TPS65912_IRQ_PWRON,
+ TPS65912_IRQ_PWRON_LP,
+ TPS65912_IRQ_PWRHOLD_R,
+ TPS65912_IRQ_HOTDIE,
+ TPS65912_IRQ_GPIO1_R,
+ TPS65912_IRQ_GPIO1_F,
+ /* INT_STS2 registers */
+ TPS65912_IRQ_GPIO2_R,
+ TPS65912_IRQ_GPIO2_F,
+ TPS65912_IRQ_GPIO3_R,
+ TPS65912_IRQ_GPIO3_F,
+ TPS65912_IRQ_GPIO4_R,
+ TPS65912_IRQ_GPIO4_F,
+ TPS65912_IRQ_GPIO5_R,
+ TPS65912_IRQ_GPIO5_F,
+ /* INT_STS3 registers */
+ TPS65912_IRQ_PGOOD_DCDC1,
+ TPS65912_IRQ_PGOOD_DCDC2,
+ TPS65912_IRQ_PGOOD_DCDC3,
+ TPS65912_IRQ_PGOOD_DCDC4,
+ TPS65912_IRQ_PGOOD_LDO1,
+ TPS65912_IRQ_PGOOD_LDO2,
+ TPS65912_IRQ_PGOOD_LDO3,
+ TPS65912_IRQ_PGOOD_LDO4,
+ /* INT_STS4 registers */
+ TPS65912_IRQ_PGOOD_LDO5,
+ TPS65912_IRQ_PGOOD_LDO6,
+ TPS65912_IRQ_PGOOD_LDO7,
+ TPS65912_IRQ_PGOOD_LDO8,
+ TPS65912_IRQ_PGOOD_LDO9,
+ TPS65912_IRQ_PGOOD_LDO10,
+};
+
+/*
+ * struct tps_info - packages regulator constraints
+ * @id: Id of the regulator
+ * @name: Voltage regulator name
+ * @min_uV: Minimum micro volts
+ * @max_uV: Minimum micro volts
+ *
+ * This data is used to check the regulator voltage limits while setting.
+ */
+struct tps_info {
+ int id;
+ const char *name;
+ int min_uV;
+ int max_uV;
+};
+
+/*
+ * struct tps65912 - state holder for the tps65912 driver
+ *
+ * Device data may be used to access the TPS65912 chip
+ */
+struct tps65912 {
+ struct device *dev;
+ unsigned int id;
+
+ /* IRQ Data */
+ int irq;
+ struct regmap_irq_chip_data *irq_data;
+
+ struct regulator_desc desc[TPS65912_NUM_REGULATOR];
+ struct tps_info *info[TPS65912_NUM_REGULATOR];
+ struct regmap *regmap;
+};
+
+static const struct regmap_range tps65912_yes_ranges[] = {
+ regmap_reg_range(TPS65912_INT_STS, TPS65912_GPIO5),
+};
+
+static const struct regmap_access_table tps65912_volatile_table = {
+ .yes_ranges = tps65912_yes_ranges,
+ .n_yes_ranges = ARRAY_SIZE(tps65912_yes_ranges),
+};
+
+static const struct regmap_config tps65912_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .cache_type = REGCACHE_RBTREE,
+ .volatile_table = &tps65912_volatile_table,
+};
+
+int tps65912_device_init(struct tps65912 *tps);
+int tps65912_device_exit(struct tps65912 *tps);
+
+#endif /* __LINUX_MFD_TPS65912_H */
--
1.9.1

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