This patch adds support for TPS65912 PMIC regulators. The regulators set consists of 4 DCDCs and 10 LDOs. The output voltages are configurable and are meant to supply power to the main processor and other components. Signed-off-by: Andrew F. Davis <afd@xxxxxx> --- drivers/regulator/Kconfig | 6 + drivers/regulator/Makefile | 1 + drivers/regulator/tps65912-regulator.c | 240 +++++++++++++++++++++++++++++++++ 3 files changed, 247 insertions(+) create mode 100644 drivers/regulator/tps65912-regulator.c 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"); -- 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
