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, + ®ulators[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, ®ulators[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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
