| Message ID | 1391665814-18814-4-git-send-email-j-keerthy@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Mark, On Thursday 06 February 2014 11:20 AM, Keerthy wrote: > This patch adds support for TPS65218 PMIC regulators. > > The regulators set consists of 6 DCDCs and 1 LDO. The output > voltages are configurable and are meant to supply power to the > main processor and other components. If there are no further comments on this could you please pull this? Regards, Keerthy > Signed-off-by: Keerthy <j-keerthy@ti.com> > --- > drivers/regulator/Kconfig | 9 + > drivers/regulator/Makefile | 1 + > drivers/regulator/tps65218-regulator.c | 304 ++++++++++++++++++++++++++++++++ > 3 files changed, 314 insertions(+) > create mode 100644 drivers/regulator/tps65218-regulator.c > > diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig > index 6a79328..b05da880 100644 > --- a/drivers/regulator/Kconfig > +++ b/drivers/regulator/Kconfig > @@ -513,6 +513,15 @@ config REGULATOR_TPS65217 > voltage regulators. It supports software based voltage control > for different voltage domains > > +config REGULATOR_TPS65218 > + tristate "TI TPS65218 Power regulators" > + depends on MFD_TPS65218 > + help > + This driver supports TPS65218 voltage regulator chips. TPS65218 > + provides six step-down converters and one general-purpose LDO > + voltage regulators. It supports software based voltage control > + for different voltage domains > + > config REGULATOR_TPS6524X > tristate "TI TPS6524X Power regulators" > depends on SPI > diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile > index 979f9dd..ba801a5 100644 > --- a/drivers/regulator/Makefile > +++ b/drivers/regulator/Makefile > @@ -67,6 +67,7 @@ obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o > obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o > obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o > obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o > +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 > diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c > new file mode 100644 > index 0000000..39fb189 > --- /dev/null > +++ b/drivers/regulator/tps65218-regulator.c > @@ -0,0 +1,304 @@ > +/* > + * tps65218-regulator.c > + * > + * Regulator driver for TPS65218 PMIC > + * > + * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ > + * > + * 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. > + */ > + > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/device.h> > +#include <linux/init.h> > +#include <linux/err.h> > +#include <linux/platform_device.h> > +#include <linux/of_device.h> > +#include <linux/regulator/of_regulator.h> > +#include <linux/regulator/driver.h> > +#include <linux/regulator/machine.h> > +#include <linux/mfd/tps65218.h> > + > +static unsigned int tps65218_ramp_delay = 4000; > + > +enum tps65218_regulators { DCDC1, DCDC2, DCDC3, DCDC4, DCDC5, DCDC6, LDO1 }; > + > +#define TPS65218_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _er, _em, _t, \ > + _lr, _nlr) \ > + { \ > + .name = _name, \ > + .id = _id, \ > + .ops = &_ops, \ > + .n_voltages = _n, \ > + .type = REGULATOR_VOLTAGE, \ > + .owner = THIS_MODULE, \ > + .vsel_reg = _vr, \ > + .vsel_mask = _vm, \ > + .enable_reg = _er, \ > + .enable_mask = _em, \ > + .volt_table = _t, \ > + .linear_ranges = _lr, \ > + .n_linear_ranges = _nlr, \ > + } \ > + > +#define TPS65218_INFO(_id, _nm, _min, _max) \ > + { \ > + .id = _id, \ > + .name = _nm, \ > + .min_uV = _min, \ > + .max_uV = _max, \ > + } > + > +static const struct regulator_linear_range dcdc1_dcdc2_ranges[] = { > + REGULATOR_LINEAR_RANGE(850000, 0x0, 0x32, 10000), > + REGULATOR_LINEAR_RANGE(1375000, 0x33, 0x3f, 25000), > +}; > + > +static const struct regulator_linear_range ldo1_dcdc3_ranges[] = { > + REGULATOR_LINEAR_RANGE(900000, 0x0, 0x1a, 25000), > + REGULATOR_LINEAR_RANGE(1600000, 0x1b, 0x3f, 50000), > +}; > + > +static const struct regulator_linear_range dcdc4_ranges[] = { > + REGULATOR_LINEAR_RANGE(1175000, 0x0, 0xf, 25000), > + REGULATOR_LINEAR_RANGE(1550000, 0x10, 0x34, 50000), > +}; > + > +static struct tps_info tps65218_pmic_regs[] = { > + TPS65218_INFO(0, "DCDC1", 850000, 167500), > + TPS65218_INFO(1, "DCDC2", 850000, 1675000), > + TPS65218_INFO(2, "DCDC3", 900000, 3400000), > + TPS65218_INFO(3, "DCDC4", 1175000, 3400000), > + TPS65218_INFO(4, "DCDC5", 1000000, 1000000), > + TPS65218_INFO(5, "DCDC6", 1800000, 1800000), > + TPS65218_INFO(6, "LDO1", 900000, 3400000), > +}; > + > +#define TPS65218_OF_MATCH(comp, label) \ > + { \ > + .compatible = comp, \ > + .data = &label, \ > + } > + > +static const struct of_device_id tps65218_of_match[] = { > + TPS65218_OF_MATCH("ti,tps65218-dcdc1", tps65218_pmic_regs[DCDC1]), > + TPS65218_OF_MATCH("ti,tps65218-dcdc2", tps65218_pmic_regs[DCDC2]), > + TPS65218_OF_MATCH("ti,tps65218-dcdc3", tps65218_pmic_regs[DCDC3]), > + TPS65218_OF_MATCH("ti,tps65218-dcdc4", tps65218_pmic_regs[DCDC4]), > + TPS65218_OF_MATCH("ti,tps65218-dcdc5", tps65218_pmic_regs[DCDC5]), > + TPS65218_OF_MATCH("ti,tps65218-dcdc6", tps65218_pmic_regs[DCDC6]), > + TPS65218_OF_MATCH("ti,tps65218-ldo1", tps65218_pmic_regs[LDO1]), > +}; > +MODULE_DEVICE_TABLE(of, tps65218_of_match); > + > +static int tps65218_pmic_set_voltage_sel(struct regulator_dev *dev, > + unsigned selector) > +{ > + int ret; > + struct tps65218 *tps = rdev_get_drvdata(dev); > + unsigned int rid = rdev_get_id(dev); > + > + /* Set the voltage based on vsel value and write protect level is 2 */ > + ret = tps65218_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask, > + selector, TPS65218_PROTECT_L1); > + > + /* Set GO bit for DCDC1/2 to initiate voltage transistion */ > + switch (rid) { > + case TPS65218_DCDC_1: > + case TPS65218_DCDC_2: > + ret = tps65218_set_bits(tps, TPS65218_REG_CONTRL_SLEW_RATE, > + TPS65218_SLEW_RATE_GO, > + TPS65218_SLEW_RATE_GO, > + TPS65218_PROTECT_L1); > + break; > + } > + > + return ret; > +} > + > +static int tps65218_pmic_enable(struct regulator_dev *dev) > +{ > + struct tps65218 *tps = rdev_get_drvdata(dev); > + unsigned int rid = rdev_get_id(dev); > + > + if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1) > + return -EINVAL; > + > + /* Enable the regulator and password protection is level 1 */ > + return tps65218_set_bits(tps, dev->desc->enable_reg, > + dev->desc->enable_mask, dev->desc->enable_mask, > + TPS65218_PROTECT_L1); > +} > + > +static int tps65218_pmic_disable(struct regulator_dev *dev) > +{ > + struct tps65218 *tps = rdev_get_drvdata(dev); > + unsigned int rid = rdev_get_id(dev); > + > + if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1) > + return -EINVAL; > + > + /* Disable the regulator and password protection is level 1 */ > + return tps65218_clear_bits(tps, dev->desc->enable_reg, > + dev->desc->enable_mask, TPS65218_PROTECT_L1); > +} > + > +static int tps65218_set_voltage_time_sel(struct regulator_dev *rdev, > + unsigned int old_selector, unsigned int new_selector) > +{ > + int old_uv, new_uv; > + > + old_uv = regulator_list_voltage_linear_range(rdev, old_selector); > + if (old_uv < 0) > + return old_uv; > + > + new_uv = regulator_list_voltage_linear_range(rdev, new_selector); > + if (new_uv < 0) > + return new_uv; > + > + return DIV_ROUND_UP(abs(old_uv - new_uv), tps65218_ramp_delay); > +} > + > +/* Operations permitted on DCDC1, DCDC2 */ > +static struct regulator_ops tps65218_dcdc12_ops = { > + .is_enabled = regulator_is_enabled_regmap, > + .enable = tps65218_pmic_enable, > + .disable = tps65218_pmic_disable, > + .get_voltage_sel = regulator_get_voltage_sel_regmap, > + .set_voltage_sel = tps65218_pmic_set_voltage_sel, > + .list_voltage = regulator_list_voltage_linear_range, > + .map_voltage = regulator_map_voltage_linear_range, > + .set_voltage_time_sel = tps65218_set_voltage_time_sel, > +}; > + > +/* Operations permitted on DCDC3, DCDC4 and LDO1 */ > +static struct regulator_ops tps65218_ldo1_dcdc34_ops = { > + .is_enabled = regulator_is_enabled_regmap, > + .enable = tps65218_pmic_enable, > + .disable = tps65218_pmic_disable, > + .get_voltage_sel = regulator_get_voltage_sel_regmap, > + .set_voltage_sel = tps65218_pmic_set_voltage_sel, > + .list_voltage = regulator_list_voltage_linear_range, > + .map_voltage = regulator_map_voltage_linear_range, > +}; > + > +/* Operations permitted on DCDC5, DCDC6 */ > +static struct regulator_ops tps65218_dcdc56_pmic_ops = { > + .is_enabled = regulator_is_enabled_regmap, > + .enable = tps65218_pmic_enable, > + .disable = tps65218_pmic_disable, > +}; > + > +static const struct regulator_desc regulators[] = { > + TPS65218_REGULATOR("DCDC1", TPS65218_DCDC_1, tps65218_dcdc12_ops, 64, > + TPS65218_REG_CONTROL_DCDC1, > + TPS65218_CONTROL_DCDC1_MASK, > + TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC1_EN, NULL, > + dcdc1_dcdc2_ranges, 2), > + TPS65218_REGULATOR("DCDC2", TPS65218_DCDC_2, tps65218_dcdc12_ops, 64, > + TPS65218_REG_CONTROL_DCDC2, > + TPS65218_CONTROL_DCDC2_MASK, > + TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC2_EN, NULL, > + dcdc1_dcdc2_ranges, 2), > + TPS65218_REGULATOR("DCDC3", TPS65218_DCDC_3, tps65218_ldo1_dcdc34_ops, > + 64, TPS65218_REG_CONTROL_DCDC3, > + TPS65218_CONTROL_DCDC3_MASK, TPS65218_REG_ENABLE1, > + TPS65218_ENABLE1_DC3_EN, NULL, > + ldo1_dcdc3_ranges, 2), > + TPS65218_REGULATOR("DCDC4", TPS65218_DCDC_4, tps65218_ldo1_dcdc34_ops, > + 53, TPS65218_REG_CONTROL_DCDC4, > + TPS65218_CONTROL_DCDC4_MASK, > + TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC4_EN, NULL, > + dcdc4_ranges, 2), > + TPS65218_REGULATOR("DCDC5", TPS65218_DCDC_5, tps65218_dcdc56_pmic_ops, > + 1, -1, -1, TPS65218_REG_ENABLE1, > + TPS65218_ENABLE1_DC5_EN, NULL, NULL, 0), > + TPS65218_REGULATOR("DCDC6", TPS65218_DCDC_6, tps65218_dcdc56_pmic_ops, > + 1, -1, -1, TPS65218_REG_ENABLE1, > + TPS65218_ENABLE1_DC6_EN, NULL, NULL, 0), > + TPS65218_REGULATOR("LDO1", TPS65218_LDO_1, tps65218_ldo1_dcdc34_ops, 64, > + TPS65218_REG_CONTROL_DCDC4, > + TPS65218_CONTROL_LDO1_MASK, TPS65218_REG_ENABLE2, > + TPS65218_ENABLE2_LDO1_EN, NULL, ldo1_dcdc3_ranges, > + 2), > +}; > + > +static int tps65218_regulator_probe(struct platform_device *pdev) > +{ > + struct tps65218 *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(tps65218_of_match, &pdev->dev); > + if (match) { > + template = match->data; > + id = template->id; > + init_data = of_get_regulator_init_data(&pdev->dev, > + pdev->dev.of_node); > + } else { > + return -ENODEV; > + } > + > + platform_set_drvdata(pdev, tps); > + > + tps->info[id] = &tps65218_pmic_regs[id]; > + config.dev = &pdev->dev; > + config.init_data = init_data; > + config.driver_data = tps; > + config.regmap = tps->regmap; > + > + 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); > + } > + > + /* Save regulator */ > + tps->rdev[id] = rdev; > + > + return 0; > +} > + > +static int tps65218_regulator_remove(struct platform_device *pdev) > +{ > + struct tps65218 *tps = platform_get_drvdata(pdev); > + const struct of_device_id *match; > + const struct tps_info *template; > + > + match = of_match_device(tps65218_of_match, &pdev->dev); > + template = match->data; > + regulator_unregister(tps->rdev[template->id]); > + platform_set_drvdata(pdev, NULL); > + > + return 0; > +} > + > +static struct platform_driver tps65218_regulator_driver = { > + .driver = { > + .name = "tps65218-pmic", > + .owner = THIS_MODULE, > + .of_match_table = of_match_ptr(tps65218_of_match), > + }, > + .probe = tps65218_regulator_probe, > + .remove = tps65218_regulator_remove, > +}; > + > +module_platform_driver(tps65218_regulator_driver); > + > +MODULE_AUTHOR("J Keerthy <j-keerthy@ti.com>"); > +MODULE_DESCRIPTION("TPS65218 voltage regulator driver"); > +MODULE_ALIAS("platform:tps65218-pmic"); > +MODULE_LICENSE("GPL v2"); -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Fri, Feb 07, 2014 at 07:28:29PM +0530, Keerthy wrote: > On Thursday 06 February 2014 11:20 AM, Keerthy wrote: > If there are no further comments on this could you > please pull this? You've sent this mail a day after sending the original patch, don't do that.
On Thu, Feb 06, 2014 at 11:20:13AM +0530, Keerthy wrote: > This patch adds support for TPS65218 PMIC regulators. > > The regulators set consists of 6 DCDCs and 1 LDO. The output > voltages are configurable and are meant to supply power to the > main processor and other components. Applied, thanks. Please use subject lines consistent with the subsystem.
On Saturday 15 February 2014 01:51 AM, Mark Brown wrote: > On Thu, Feb 06, 2014 at 11:20:13AM +0530, Keerthy wrote: >> This patch adds support for TPS65218 PMIC regulators. >> >> The regulators set consists of 6 DCDCs and 1 LDO. The output >> voltages are configurable and are meant to supply power to the >> main processor and other components. > Applied, thanks. Please use subject lines consistent with the > subsystem. Sure. Thanks a lot Mark. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 6a79328..b05da880 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -513,6 +513,15 @@ config REGULATOR_TPS65217 voltage regulators. It supports software based voltage control for different voltage domains +config REGULATOR_TPS65218 + tristate "TI TPS65218 Power regulators" + depends on MFD_TPS65218 + help + This driver supports TPS65218 voltage regulator chips. TPS65218 + provides six step-down converters and one general-purpose LDO + voltage regulators. It supports software based voltage control + for different voltage domains + config REGULATOR_TPS6524X tristate "TI TPS6524X Power regulators" depends on SPI diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 979f9dd..ba801a5 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -67,6 +67,7 @@ obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o +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 diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c new file mode 100644 index 0000000..39fb189 --- /dev/null +++ b/drivers/regulator/tps65218-regulator.c @@ -0,0 +1,304 @@ +/* + * tps65218-regulator.c + * + * Regulator driver for TPS65218 PMIC + * + * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/of_device.h> +#include <linux/regulator/of_regulator.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/tps65218.h> + +static unsigned int tps65218_ramp_delay = 4000; + +enum tps65218_regulators { DCDC1, DCDC2, DCDC3, DCDC4, DCDC5, DCDC6, LDO1 }; + +#define TPS65218_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _er, _em, _t, \ + _lr, _nlr) \ + { \ + .name = _name, \ + .id = _id, \ + .ops = &_ops, \ + .n_voltages = _n, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .vsel_reg = _vr, \ + .vsel_mask = _vm, \ + .enable_reg = _er, \ + .enable_mask = _em, \ + .volt_table = _t, \ + .linear_ranges = _lr, \ + .n_linear_ranges = _nlr, \ + } \ + +#define TPS65218_INFO(_id, _nm, _min, _max) \ + { \ + .id = _id, \ + .name = _nm, \ + .min_uV = _min, \ + .max_uV = _max, \ + } + +static const struct regulator_linear_range dcdc1_dcdc2_ranges[] = { + REGULATOR_LINEAR_RANGE(850000, 0x0, 0x32, 10000), + REGULATOR_LINEAR_RANGE(1375000, 0x33, 0x3f, 25000), +}; + +static const struct regulator_linear_range ldo1_dcdc3_ranges[] = { + REGULATOR_LINEAR_RANGE(900000, 0x0, 0x1a, 25000), + REGULATOR_LINEAR_RANGE(1600000, 0x1b, 0x3f, 50000), +}; + +static const struct regulator_linear_range dcdc4_ranges[] = { + REGULATOR_LINEAR_RANGE(1175000, 0x0, 0xf, 25000), + REGULATOR_LINEAR_RANGE(1550000, 0x10, 0x34, 50000), +}; + +static struct tps_info tps65218_pmic_regs[] = { + TPS65218_INFO(0, "DCDC1", 850000, 167500), + TPS65218_INFO(1, "DCDC2", 850000, 1675000), + TPS65218_INFO(2, "DCDC3", 900000, 3400000), + TPS65218_INFO(3, "DCDC4", 1175000, 3400000), + TPS65218_INFO(4, "DCDC5", 1000000, 1000000), + TPS65218_INFO(5, "DCDC6", 1800000, 1800000), + TPS65218_INFO(6, "LDO1", 900000, 3400000), +}; + +#define TPS65218_OF_MATCH(comp, label) \ + { \ + .compatible = comp, \ + .data = &label, \ + } + +static const struct of_device_id tps65218_of_match[] = { + TPS65218_OF_MATCH("ti,tps65218-dcdc1", tps65218_pmic_regs[DCDC1]), + TPS65218_OF_MATCH("ti,tps65218-dcdc2", tps65218_pmic_regs[DCDC2]), + TPS65218_OF_MATCH("ti,tps65218-dcdc3", tps65218_pmic_regs[DCDC3]), + TPS65218_OF_MATCH("ti,tps65218-dcdc4", tps65218_pmic_regs[DCDC4]), + TPS65218_OF_MATCH("ti,tps65218-dcdc5", tps65218_pmic_regs[DCDC5]), + TPS65218_OF_MATCH("ti,tps65218-dcdc6", tps65218_pmic_regs[DCDC6]), + TPS65218_OF_MATCH("ti,tps65218-ldo1", tps65218_pmic_regs[LDO1]), +}; +MODULE_DEVICE_TABLE(of, tps65218_of_match); + +static int tps65218_pmic_set_voltage_sel(struct regulator_dev *dev, + unsigned selector) +{ + int ret; + struct tps65218 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + + /* Set the voltage based on vsel value and write protect level is 2 */ + ret = tps65218_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask, + selector, TPS65218_PROTECT_L1); + + /* Set GO bit for DCDC1/2 to initiate voltage transistion */ + switch (rid) { + case TPS65218_DCDC_1: + case TPS65218_DCDC_2: + ret = tps65218_set_bits(tps, TPS65218_REG_CONTRL_SLEW_RATE, + TPS65218_SLEW_RATE_GO, + TPS65218_SLEW_RATE_GO, + TPS65218_PROTECT_L1); + break; + } + + return ret; +} + +static int tps65218_pmic_enable(struct regulator_dev *dev) +{ + struct tps65218 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + + if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1) + return -EINVAL; + + /* Enable the regulator and password protection is level 1 */ + return tps65218_set_bits(tps, dev->desc->enable_reg, + dev->desc->enable_mask, dev->desc->enable_mask, + TPS65218_PROTECT_L1); +} + +static int tps65218_pmic_disable(struct regulator_dev *dev) +{ + struct tps65218 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + + if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1) + return -EINVAL; + + /* Disable the regulator and password protection is level 1 */ + return tps65218_clear_bits(tps, dev->desc->enable_reg, + dev->desc->enable_mask, TPS65218_PROTECT_L1); +} + +static int tps65218_set_voltage_time_sel(struct regulator_dev *rdev, + unsigned int old_selector, unsigned int new_selector) +{ + int old_uv, new_uv; + + old_uv = regulator_list_voltage_linear_range(rdev, old_selector); + if (old_uv < 0) + return old_uv; + + new_uv = regulator_list_voltage_linear_range(rdev, new_selector); + if (new_uv < 0) + return new_uv; + + return DIV_ROUND_UP(abs(old_uv - new_uv), tps65218_ramp_delay); +} + +/* Operations permitted on DCDC1, DCDC2 */ +static struct regulator_ops tps65218_dcdc12_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65218_pmic_enable, + .disable = tps65218_pmic_disable, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65218_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_time_sel = tps65218_set_voltage_time_sel, +}; + +/* Operations permitted on DCDC3, DCDC4 and LDO1 */ +static struct regulator_ops tps65218_ldo1_dcdc34_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65218_pmic_enable, + .disable = tps65218_pmic_disable, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65218_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, +}; + +/* Operations permitted on DCDC5, DCDC6 */ +static struct regulator_ops tps65218_dcdc56_pmic_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65218_pmic_enable, + .disable = tps65218_pmic_disable, +}; + +static const struct regulator_desc regulators[] = { + TPS65218_REGULATOR("DCDC1", TPS65218_DCDC_1, tps65218_dcdc12_ops, 64, + TPS65218_REG_CONTROL_DCDC1, + TPS65218_CONTROL_DCDC1_MASK, + TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC1_EN, NULL, + dcdc1_dcdc2_ranges, 2), + TPS65218_REGULATOR("DCDC2", TPS65218_DCDC_2, tps65218_dcdc12_ops, 64, + TPS65218_REG_CONTROL_DCDC2, + TPS65218_CONTROL_DCDC2_MASK, + TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC2_EN, NULL, + dcdc1_dcdc2_ranges, 2), + TPS65218_REGULATOR("DCDC3", TPS65218_DCDC_3, tps65218_ldo1_dcdc34_ops, + 64, TPS65218_REG_CONTROL_DCDC3, + TPS65218_CONTROL_DCDC3_MASK, TPS65218_REG_ENABLE1, + TPS65218_ENABLE1_DC3_EN, NULL, + ldo1_dcdc3_ranges, 2), + TPS65218_REGULATOR("DCDC4", TPS65218_DCDC_4, tps65218_ldo1_dcdc34_ops, + 53, TPS65218_REG_CONTROL_DCDC4, + TPS65218_CONTROL_DCDC4_MASK, + TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC4_EN, NULL, + dcdc4_ranges, 2), + TPS65218_REGULATOR("DCDC5", TPS65218_DCDC_5, tps65218_dcdc56_pmic_ops, + 1, -1, -1, TPS65218_REG_ENABLE1, + TPS65218_ENABLE1_DC5_EN, NULL, NULL, 0), + TPS65218_REGULATOR("DCDC6", TPS65218_DCDC_6, tps65218_dcdc56_pmic_ops, + 1, -1, -1, TPS65218_REG_ENABLE1, + TPS65218_ENABLE1_DC6_EN, NULL, NULL, 0), + TPS65218_REGULATOR("LDO1", TPS65218_LDO_1, tps65218_ldo1_dcdc34_ops, 64, + TPS65218_REG_CONTROL_DCDC4, + TPS65218_CONTROL_LDO1_MASK, TPS65218_REG_ENABLE2, + TPS65218_ENABLE2_LDO1_EN, NULL, ldo1_dcdc3_ranges, + 2), +}; + +static int tps65218_regulator_probe(struct platform_device *pdev) +{ + struct tps65218 *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(tps65218_of_match, &pdev->dev); + if (match) { + template = match->data; + id = template->id; + init_data = of_get_regulator_init_data(&pdev->dev, + pdev->dev.of_node); + } else { + return -ENODEV; + } + + platform_set_drvdata(pdev, tps); + + tps->info[id] = &tps65218_pmic_regs[id]; + config.dev = &pdev->dev; + config.init_data = init_data; + config.driver_data = tps; + config.regmap = tps->regmap; + + 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); + } + + /* Save regulator */ + tps->rdev[id] = rdev; + + return 0; +} + +static int tps65218_regulator_remove(struct platform_device *pdev) +{ + struct tps65218 *tps = platform_get_drvdata(pdev); + const struct of_device_id *match; + const struct tps_info *template; + + match = of_match_device(tps65218_of_match, &pdev->dev); + template = match->data; + regulator_unregister(tps->rdev[template->id]); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver tps65218_regulator_driver = { + .driver = { + .name = "tps65218-pmic", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(tps65218_of_match), + }, + .probe = tps65218_regulator_probe, + .remove = tps65218_regulator_remove, +}; + +module_platform_driver(tps65218_regulator_driver); + +MODULE_AUTHOR("J Keerthy <j-keerthy@ti.com>"); +MODULE_DESCRIPTION("TPS65218 voltage regulator driver"); +MODULE_ALIAS("platform:tps65218-pmic"); +MODULE_LICENSE("GPL v2");
This patch adds support for TPS65218 PMIC regulators. The regulators set consists of 6 DCDCs and 1 LDO. The output voltages are configurable and are meant to supply power to the main processor and other components. Signed-off-by: Keerthy <j-keerthy@ti.com> --- drivers/regulator/Kconfig | 9 + drivers/regulator/Makefile | 1 + drivers/regulator/tps65218-regulator.c | 304 ++++++++++++++++++++++++++++++++ 3 files changed, 314 insertions(+) create mode 100644 drivers/regulator/tps65218-regulator.c