and LDO regulators.
This driver can also be built as a module. If so, the module
- will be called bd71837-regulator.
+ will be called bd718x7-regulator.
config REGULATOR_BD9571MWV
tristate "ROHM BD9571MWV Regulators"
obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o
obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o
obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o
-obj-$(CONFIG_REGULATOR_BD718XX) += bd71837-regulator.o
+obj-$(CONFIG_REGULATOR_BD718XX) += bd718x7-regulator.o
obj-$(CONFIG_REGULATOR_BD9571MWV) += bd9571mwv-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2018 ROHM Semiconductors
-// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver
-
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/gpio.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/mfd/rohm-bd718x7.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/driver.h>
-#include <linux/regulator/machine.h>
-#include <linux/regulator/of_regulator.h>
-#include <linux/slab.h>
-
-struct bd718xx_pmic {
- struct bd718xx_regulator_data *rdata;
- struct bd718xx *mfd;
- struct platform_device *pdev;
- struct regulator_dev *rdev[BD718XX_REGULATOR_AMOUNT];
-};
-
-/*
- * BUCK1/2/3/4
- * BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting
- * 00: 10.00mV/usec 10mV 1uS
- * 01: 5.00mV/usec 10mV 2uS
- * 10: 2.50mV/usec 10mV 4uS
- * 11: 1.25mV/usec 10mV 8uS
- */
-static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev,
- int ramp_delay)
-{
- struct bd718xx_pmic *pmic = rdev_get_drvdata(rdev);
- struct bd718xx *mfd = pmic->mfd;
- int id = rdev->desc->id;
- unsigned int ramp_value = BUCK_RAMPRATE_10P00MV;
-
- dev_dbg(&pmic->pdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1,
- ramp_delay);
- switch (ramp_delay) {
- case 1 ... 1250:
- ramp_value = BUCK_RAMPRATE_1P25MV;
- break;
- case 1251 ... 2500:
- ramp_value = BUCK_RAMPRATE_2P50MV;
- break;
- case 2501 ... 5000:
- ramp_value = BUCK_RAMPRATE_5P00MV;
- break;
- case 5001 ... 10000:
- ramp_value = BUCK_RAMPRATE_10P00MV;
- break;
- default:
- ramp_value = BUCK_RAMPRATE_10P00MV;
- dev_err(&pmic->pdev->dev,
- "%s: ramp_delay: %d not supported, setting 10000mV//us\n",
- rdev->desc->name, ramp_delay);
- }
-
- return regmap_update_bits(mfd->regmap, BD718XX_REG_BUCK1_CTRL + id,
- BUCK_RAMPRATE_MASK, ramp_value << 6);
-}
-
-/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
- * Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage
- * is changed. Hence we return -EBUSY for these if voltage is changed
- * when BUCK/LDO is enabled.
- */
-static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
- unsigned int sel)
-{
- if (regulator_is_enabled_regmap(rdev))
- return -EBUSY;
-
- return regulator_set_voltage_sel_regmap(rdev, sel);
-}
-
-static int bd718xx_set_voltage_sel_pickable_restricted(
- struct regulator_dev *rdev, unsigned int sel)
-{
- if (regulator_is_enabled_regmap(rdev))
- return -EBUSY;
-
- return regulator_set_voltage_sel_pickable_regmap(rdev, sel);
-}
-
-static struct regulator_ops bd718xx_pickable_range_ldo_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_pickable_linear_range,
- .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
- .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
-};
-
-static struct regulator_ops bd718xx_pickable_range_buck_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_pickable_linear_range,
- .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
- .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
- .set_voltage_time_sel = regulator_set_voltage_time_sel,
-};
-
-static struct regulator_ops bd718xx_ldo_regulator_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_linear_range,
- .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
-};
-
-static struct regulator_ops bd718xx_ldo_regulator_nolinear_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_table,
- .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
-};
-
-static struct regulator_ops bd718xx_buck_regulator_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_linear_range,
- .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .set_voltage_time_sel = regulator_set_voltage_time_sel,
-};
-
-static struct regulator_ops bd718xx_buck_regulator_nolinear_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_table,
- .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .set_voltage_time_sel = regulator_set_voltage_time_sel,
-};
-
-static struct regulator_ops bd718xx_dvs_buck_regulator_ops = {
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .list_voltage = regulator_list_voltage_linear_range,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .set_voltage_time_sel = regulator_set_voltage_time_sel,
- .set_ramp_delay = bd718xx_buck1234_set_ramp_delay,
-};
-
-/*
- * BD71837 BUCK1/2/3/4
- * BD71847 BUCK1/2
- * 0.70 to 1.30V (10mV step)
- */
-static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = {
- REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000),
- REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0),
-};
-
-/*
- * BD71837 BUCK5
- * 0.7V to 1.35V (range 0)
- * and
- * 0.675 to 1.325 (range 1)
- */
-static const struct regulator_linear_range bd71837_buck5_volts[] = {
- /* Ranges when VOLT_SEL bit is 0 */
- REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
- REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
- REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
- /* Ranges when VOLT_SEL bit is 1 */
- REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
- REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
- REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
-};
-
-/*
- * Range selector for first 3 linear ranges is 0x0
- * and 0x1 for last 3 ranges.
- */
-static const unsigned int bd71837_buck5_volt_range_sel[] = {
- 0x0, 0x0, 0x0, 0x80, 0x80, 0x80
-};
-
-/*
- * BD71847 BUCK3
- */
-static const struct regulator_linear_range bd71847_buck3_volts[] = {
- /* Ranges when VOLT_SEL bits are 00 */
- REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
- REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
- REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
- /* Ranges when VOLT_SEL bits are 01 */
- REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000),
- /* Ranges when VOLT_SEL bits are 11 */
- REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
- REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
- REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
-};
-
-static const unsigned int bd71847_buck3_volt_range_sel[] = {
- 0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80
-};
-
-static const struct regulator_linear_range bd71847_buck4_volts[] = {
- REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
- REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000),
-};
-
-static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 };
-
-/*
- * BUCK6
- * 3.0V to 3.3V (step 100mV)
- */
-static const struct regulator_linear_range bd71837_buck6_volts[] = {
- REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
-};
-
-/*
- * BD71837 BUCK7
- * BD71847 BUCK5
- * 000 = 1.605V
- * 001 = 1.695V
- * 010 = 1.755V
- * 011 = 1.8V (Initial)
- * 100 = 1.845V
- * 101 = 1.905V
- * 110 = 1.95V
- * 111 = 1.995V
- */
-static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = {
- 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000
-};
-
-/*
- * BUCK8
- * 0.8V to 1.40V (step 10mV)
- */
-static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = {
- REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000),
-};
-
-/*
- * LDO1
- * 3.0 to 3.3V (100mV step)
- */
-static const struct regulator_linear_range bd718xx_ldo1_volts[] = {
- REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
- REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000),
-};
-
-static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 };
-
-/*
- * LDO2
- * 0.8 or 0.9V
- */
-static const unsigned int ldo_2_volts[] = {
- 900000, 800000
-};
-
-/*
- * LDO3
- * 1.8 to 3.3V (100mV step)
- */
-static const struct regulator_linear_range bd718xx_ldo3_volts[] = {
- REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
-};
-
-/*
- * LDO4
- * 0.9 to 1.8V (100mV step)
- */
-static const struct regulator_linear_range bd718xx_ldo4_volts[] = {
- REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
-};
-
-/*
- * LDO5 for BD71837
- * 1.8 to 3.3V (100mV step)
- */
-static const struct regulator_linear_range bd71837_ldo5_volts[] = {
- REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
-};
-
-/*
- * LDO5 for BD71837
- * 1.8 to 3.3V (100mV step)
- */
-static const struct regulator_linear_range bd71847_ldo5_volts[] = {
- REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
- REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000),
-};
-
-static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 };
-
-/*
- * LDO6
- * 0.9 to 1.8V (100mV step)
- */
-static const struct regulator_linear_range bd718xx_ldo6_volts[] = {
- REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
-};
-
-/*
- * LDO7
- * 1.8 to 3.3V (100mV step)
- */
-static const struct regulator_linear_range bd71837_ldo7_volts[] = {
- REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
-};
-
-struct reg_init {
- unsigned int reg;
- unsigned int mask;
- unsigned int val;
-};
-struct bd718xx_regulator_data {
- struct regulator_desc desc;
- const struct reg_init init;
- const struct reg_init *additional_inits;
- int additional_init_amnt;
-};
-
-/*
- * There is a HW quirk in BD71837. The shutdown sequence timings for
- * bucks/LDOs which are controlled via register interface are changed.
- * At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the
- * beginning of shut-down sequence. As bucks 6 and 7 are parent
- * supplies for LDO5 and LDO6 - this causes LDO5/6 voltage
- * monitoring to errorneously detect under voltage and force PMIC to
- * emergency state instead of poweroff. In order to avoid this we
- * disable voltage monitoring for LDO5 and LDO6
- */
-static const struct reg_init bd71837_ldo5_inits[] = {
- {
- .reg = BD718XX_REG_MVRFLTMASK2,
- .mask = BD718XX_LDO5_VRMON80,
- .val = BD718XX_LDO5_VRMON80,
- },
-};
-
-static const struct reg_init bd71837_ldo6_inits[] = {
- {
- .reg = BD718XX_REG_MVRFLTMASK2,
- .mask = BD718XX_LDO6_VRMON80,
- .val = BD718XX_LDO6_VRMON80,
- },
-};
-
-static const struct bd718xx_regulator_data bd71847_regulators[] = {
- {
- .desc = {
- .name = "buck1",
- .of_match = of_match_ptr("BUCK1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK1,
- .ops = &bd718xx_dvs_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_dvs_buck_volts,
- .n_linear_ranges =
- ARRAY_SIZE(bd718xx_dvs_buck_volts),
- .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
- .vsel_mask = DVS_BUCK_RUN_MASK,
- .enable_reg = BD718XX_REG_BUCK1_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_BUCK1_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck2",
- .of_match = of_match_ptr("BUCK2"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK2,
- .ops = &bd718xx_dvs_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_dvs_buck_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
- .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
- .vsel_mask = DVS_BUCK_RUN_MASK,
- .enable_reg = BD718XX_REG_BUCK2_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_BUCK2_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck3",
- .of_match = of_match_ptr("BUCK3"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK3,
- .ops = &bd718xx_pickable_range_buck_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD71847_BUCK3_VOLTAGE_NUM,
- .linear_ranges = bd71847_buck3_volts,
- .n_linear_ranges =
- ARRAY_SIZE(bd71847_buck3_volts),
- .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
- .vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK,
- .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
- .vsel_range_mask = BD71847_BUCK3_RANGE_MASK,
- .linear_range_selectors = bd71847_buck3_volt_range_sel,
- .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck4",
- .of_match = of_match_ptr("BUCK4"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK4,
- .ops = &bd718xx_pickable_range_buck_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD71847_BUCK4_VOLTAGE_NUM,
- .linear_ranges = bd71847_buck4_volts,
- .n_linear_ranges =
- ARRAY_SIZE(bd71847_buck4_volts),
- .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
- .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
- .vsel_mask = BD71847_BUCK4_MASK,
- .vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
- .vsel_range_mask = BD71847_BUCK4_RANGE_MASK,
- .linear_range_selectors = bd71847_buck4_volt_range_sel,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck5",
- .of_match = of_match_ptr("BUCK5"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK5,
- .ops = &bd718xx_buck_regulator_nolinear_ops,
- .type = REGULATOR_VOLTAGE,
- .volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
- .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
- .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
- .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
- .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck6",
- .of_match = of_match_ptr("BUCK6"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK6,
- .ops = &bd718xx_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_4th_nodvs_buck_volts,
- .n_linear_ranges =
- ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
- .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
- .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
- .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo1",
- .of_match = of_match_ptr("LDO1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO1,
- .ops = &bd718xx_pickable_range_ldo_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo1_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
- .vsel_reg = BD718XX_REG_LDO1_VOLT,
- .vsel_mask = BD718XX_LDO1_MASK,
- .vsel_range_reg = BD718XX_REG_LDO1_VOLT,
- .vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
- .linear_range_selectors = bd718xx_ldo1_volt_range_sel,
- .enable_reg = BD718XX_REG_LDO1_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO1_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo2",
- .of_match = of_match_ptr("LDO2"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO2,
- .ops = &bd718xx_ldo_regulator_nolinear_ops,
- .type = REGULATOR_VOLTAGE,
- .volt_table = &ldo_2_volts[0],
- .vsel_reg = BD718XX_REG_LDO2_VOLT,
- .vsel_mask = BD718XX_LDO2_MASK,
- .n_voltages = ARRAY_SIZE(ldo_2_volts),
- .enable_reg = BD718XX_REG_LDO2_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO2_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo3",
- .of_match = of_match_ptr("LDO3"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO3,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo3_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
- .vsel_reg = BD718XX_REG_LDO3_VOLT,
- .vsel_mask = BD718XX_LDO3_MASK,
- .enable_reg = BD718XX_REG_LDO3_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO3_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo4",
- .of_match = of_match_ptr("LDO4"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO4,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo4_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
- .vsel_reg = BD718XX_REG_LDO4_VOLT,
- .vsel_mask = BD718XX_LDO4_MASK,
- .enable_reg = BD718XX_REG_LDO4_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO4_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo5",
- .of_match = of_match_ptr("LDO5"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO5,
- .ops = &bd718xx_pickable_range_ldo_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD71847_LDO5_VOLTAGE_NUM,
- .linear_ranges = bd71847_ldo5_volts,
- .n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts),
- .vsel_reg = BD718XX_REG_LDO5_VOLT,
- .vsel_mask = BD71847_LDO5_MASK,
- .vsel_range_reg = BD718XX_REG_LDO5_VOLT,
- .vsel_range_mask = BD71847_LDO5_RANGE_MASK,
- .linear_range_selectors = bd71847_ldo5_volt_range_sel,
- .enable_reg = BD718XX_REG_LDO5_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO5_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo6",
- .of_match = of_match_ptr("LDO6"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO6,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo6_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
- /* LDO6 is supplied by buck5 */
- .supply_name = "buck5",
- .vsel_reg = BD718XX_REG_LDO6_VOLT,
- .vsel_mask = BD718XX_LDO6_MASK,
- .enable_reg = BD718XX_REG_LDO6_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO6_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
-};
-
-static const struct bd718xx_regulator_data bd71837_regulators[] = {
- {
- .desc = {
- .name = "buck1",
- .of_match = of_match_ptr("BUCK1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK1,
- .ops = &bd718xx_dvs_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_dvs_buck_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
- .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
- .vsel_mask = DVS_BUCK_RUN_MASK,
- .enable_reg = BD718XX_REG_BUCK1_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_BUCK1_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck2",
- .of_match = of_match_ptr("BUCK2"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK2,
- .ops = &bd718xx_dvs_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_dvs_buck_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
- .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
- .vsel_mask = DVS_BUCK_RUN_MASK,
- .enable_reg = BD718XX_REG_BUCK2_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_BUCK2_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck3",
- .of_match = of_match_ptr("BUCK3"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK3,
- .ops = &bd718xx_dvs_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_dvs_buck_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
- .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN,
- .vsel_mask = DVS_BUCK_RUN_MASK,
- .enable_reg = BD71837_REG_BUCK3_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD71837_REG_BUCK3_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck4",
- .of_match = of_match_ptr("BUCK4"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK4,
- .ops = &bd718xx_dvs_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_dvs_buck_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
- .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN,
- .vsel_mask = DVS_BUCK_RUN_MASK,
- .enable_reg = BD71837_REG_BUCK4_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD71837_REG_BUCK4_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck5",
- .of_match = of_match_ptr("BUCK5"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK5,
- .ops = &bd718xx_pickable_range_buck_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD71837_BUCK5_VOLTAGE_NUM,
- .linear_ranges = bd71837_buck5_volts,
- .n_linear_ranges =
- ARRAY_SIZE(bd71837_buck5_volts),
- .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
- .vsel_mask = BD71837_BUCK5_MASK,
- .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
- .vsel_range_mask = BD71837_BUCK5_RANGE_MASK,
- .linear_range_selectors = bd71837_buck5_volt_range_sel,
- .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck6",
- .of_match = of_match_ptr("BUCK6"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK6,
- .ops = &bd718xx_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD71837_BUCK6_VOLTAGE_NUM,
- .linear_ranges = bd71837_buck6_volts,
- .n_linear_ranges =
- ARRAY_SIZE(bd71837_buck6_volts),
- .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
- .vsel_mask = BD71837_BUCK6_MASK,
- .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck7",
- .of_match = of_match_ptr("BUCK7"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK7,
- .ops = &bd718xx_buck_regulator_nolinear_ops,
- .type = REGULATOR_VOLTAGE,
- .volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
- .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
- .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
- .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
- .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "buck8",
- .of_match = of_match_ptr("BUCK8"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK8,
- .ops = &bd718xx_buck_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
- .linear_ranges = bd718xx_4th_nodvs_buck_volts,
- .n_linear_ranges =
- ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
- .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
- .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
- .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
- .enable_mask = BD718XX_BUCK_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
- .mask = BD718XX_BUCK_SEL,
- .val = BD718XX_BUCK_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo1",
- .of_match = of_match_ptr("LDO1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO1,
- .ops = &bd718xx_pickable_range_ldo_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo1_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
- .vsel_reg = BD718XX_REG_LDO1_VOLT,
- .vsel_mask = BD718XX_LDO1_MASK,
- .vsel_range_reg = BD718XX_REG_LDO1_VOLT,
- .vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
- .linear_range_selectors = bd718xx_ldo1_volt_range_sel,
- .enable_reg = BD718XX_REG_LDO1_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO1_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo2",
- .of_match = of_match_ptr("LDO2"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO2,
- .ops = &bd718xx_ldo_regulator_nolinear_ops,
- .type = REGULATOR_VOLTAGE,
- .volt_table = &ldo_2_volts[0],
- .vsel_reg = BD718XX_REG_LDO2_VOLT,
- .vsel_mask = BD718XX_LDO2_MASK,
- .n_voltages = ARRAY_SIZE(ldo_2_volts),
- .enable_reg = BD718XX_REG_LDO2_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO2_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo3",
- .of_match = of_match_ptr("LDO3"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO3,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo3_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
- .vsel_reg = BD718XX_REG_LDO3_VOLT,
- .vsel_mask = BD718XX_LDO3_MASK,
- .enable_reg = BD718XX_REG_LDO3_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO3_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo4",
- .of_match = of_match_ptr("LDO4"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO4,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo4_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
- .vsel_reg = BD718XX_REG_LDO4_VOLT,
- .vsel_mask = BD718XX_LDO4_MASK,
- .enable_reg = BD718XX_REG_LDO4_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO4_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- {
- .desc = {
- .name = "ldo5",
- .of_match = of_match_ptr("LDO5"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO5,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD71837_LDO5_VOLTAGE_NUM,
- .linear_ranges = bd71837_ldo5_volts,
- .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts),
- /* LDO5 is supplied by buck6 */
- .supply_name = "buck6",
- .vsel_reg = BD718XX_REG_LDO5_VOLT,
- .vsel_mask = BD71837_LDO5_MASK,
- .enable_reg = BD718XX_REG_LDO5_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO5_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- .additional_inits = bd71837_ldo5_inits,
- .additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits),
- },
- {
- .desc = {
- .name = "ldo6",
- .of_match = of_match_ptr("LDO6"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO6,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
- .linear_ranges = bd718xx_ldo6_volts,
- .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
- /* LDO6 is supplied by buck7 */
- .supply_name = "buck7",
- .vsel_reg = BD718XX_REG_LDO6_VOLT,
- .vsel_mask = BD718XX_LDO6_MASK,
- .enable_reg = BD718XX_REG_LDO6_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO6_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- .additional_inits = bd71837_ldo6_inits,
- .additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits),
- },
- {
- .desc = {
- .name = "ldo7",
- .of_match = of_match_ptr("LDO7"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_LDO7,
- .ops = &bd718xx_ldo_regulator_ops,
- .type = REGULATOR_VOLTAGE,
- .n_voltages = BD71837_LDO7_VOLTAGE_NUM,
- .linear_ranges = bd71837_ldo7_volts,
- .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts),
- .vsel_reg = BD71837_REG_LDO7_VOLT,
- .vsel_mask = BD71837_LDO7_MASK,
- .enable_reg = BD71837_REG_LDO7_VOLT,
- .enable_mask = BD718XX_LDO_EN,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD71837_REG_LDO7_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
-};
-
-struct bd718xx_pmic_inits {
- const struct bd718xx_regulator_data (*r_datas)[];
- unsigned int r_amount;
-};
-
-static int bd718xx_probe(struct platform_device *pdev)
-{
- struct bd718xx_pmic *pmic;
- struct regulator_config config = { 0 };
- struct bd718xx_pmic_inits pmic_regulators[] = {
- [BD718XX_TYPE_BD71837] = {
- .r_datas = &bd71837_regulators,
- .r_amount = ARRAY_SIZE(bd71837_regulators),
- },
- [BD718XX_TYPE_BD71847] = {
- .r_datas = &bd71847_regulators,
- .r_amount = ARRAY_SIZE(bd71847_regulators),
- },
- };
-
- int i, j, err;
-
- pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
- if (!pmic)
- return -ENOMEM;
-
- pmic->pdev = pdev;
- pmic->mfd = dev_get_drvdata(pdev->dev.parent);
-
- if (!pmic->mfd) {
- dev_err(&pdev->dev, "No MFD driver data\n");
- err = -EINVAL;
- goto err;
- }
- if (pmic->mfd->chip_type >= BD718XX_TYPE_AMOUNT ||
- !pmic_regulators[pmic->mfd->chip_type].r_datas) {
- dev_err(&pdev->dev, "Unsupported chip type\n");
- err = -EINVAL;
- goto err;
- }
-
- platform_set_drvdata(pdev, pmic);
-
- /* Register LOCK release */
- err = regmap_update_bits(pmic->mfd->regmap, BD718XX_REG_REGLOCK,
- (REGLOCK_PWRSEQ | REGLOCK_VREG), 0);
- if (err) {
- dev_err(&pmic->pdev->dev, "Failed to unlock PMIC (%d)\n", err);
- goto err;
- } else {
- dev_dbg(&pmic->pdev->dev, "Unlocked lock register 0x%x\n",
- BD718XX_REG_REGLOCK);
- }
-
- for (i = 0; i < pmic_regulators[pmic->mfd->chip_type].r_amount; i++) {
-
- const struct regulator_desc *desc;
- struct regulator_dev *rdev;
- const struct bd718xx_regulator_data *r;
-
- r = &(*pmic_regulators[pmic->mfd->chip_type].r_datas)[i];
- desc = &r->desc;
-
- config.dev = pdev->dev.parent;
- config.driver_data = pmic;
- config.regmap = pmic->mfd->regmap;
-
- rdev = devm_regulator_register(&pdev->dev, desc, &config);
- if (IS_ERR(rdev)) {
- dev_err(pmic->mfd->dev,
- "failed to register %s regulator\n",
- desc->name);
- err = PTR_ERR(rdev);
- goto err;
- }
- /* Regulator register gets the regulator constraints and
- * applies them (set_machine_constraints). This should have
- * turned the control register(s) to correct values and we
- * can now switch the control from PMIC state machine to the
- * register interface
- */
- err = regmap_update_bits(pmic->mfd->regmap, r->init.reg,
- r->init.mask, r->init.val);
- if (err) {
- dev_err(&pmic->pdev->dev,
- "Failed to write BUCK/LDO SEL bit for (%s)\n",
- desc->name);
- goto err;
- }
- for (j = 0; j < r->additional_init_amnt; j++) {
- err = regmap_update_bits(pmic->mfd->regmap,
- r->additional_inits[j].reg,
- r->additional_inits[j].mask,
- r->additional_inits[j].val);
- if (err) {
- dev_err(&pmic->pdev->dev,
- "Buck (%s) initialization failed\n",
- desc->name);
- goto err;
- }
- }
-
- pmic->rdev[i] = rdev;
- }
-
-err:
- return err;
-}
-
-static struct platform_driver bd718xx_regulator = {
- .driver = {
- .name = "bd718xx-pmic",
- },
- .probe = bd718xx_probe,
-};
-
-module_platform_driver(bd718xx_regulator);
-
-MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
-MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver");
-MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 ROHM Semiconductors
+// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/rohm-bd718x7.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/slab.h>
+
+struct bd718xx_pmic {
+ struct bd718xx_regulator_data *rdata;
+ struct bd718xx *mfd;
+ struct platform_device *pdev;
+ struct regulator_dev *rdev[BD718XX_REGULATOR_AMOUNT];
+};
+
+/*
+ * BUCK1/2/3/4
+ * BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting
+ * 00: 10.00mV/usec 10mV 1uS
+ * 01: 5.00mV/usec 10mV 2uS
+ * 10: 2.50mV/usec 10mV 4uS
+ * 11: 1.25mV/usec 10mV 8uS
+ */
+static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev,
+ int ramp_delay)
+{
+ struct bd718xx_pmic *pmic = rdev_get_drvdata(rdev);
+ struct bd718xx *mfd = pmic->mfd;
+ int id = rdev->desc->id;
+ unsigned int ramp_value = BUCK_RAMPRATE_10P00MV;
+
+ dev_dbg(&pmic->pdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1,
+ ramp_delay);
+ switch (ramp_delay) {
+ case 1 ... 1250:
+ ramp_value = BUCK_RAMPRATE_1P25MV;
+ break;
+ case 1251 ... 2500:
+ ramp_value = BUCK_RAMPRATE_2P50MV;
+ break;
+ case 2501 ... 5000:
+ ramp_value = BUCK_RAMPRATE_5P00MV;
+ break;
+ case 5001 ... 10000:
+ ramp_value = BUCK_RAMPRATE_10P00MV;
+ break;
+ default:
+ ramp_value = BUCK_RAMPRATE_10P00MV;
+ dev_err(&pmic->pdev->dev,
+ "%s: ramp_delay: %d not supported, setting 10000mV//us\n",
+ rdev->desc->name, ramp_delay);
+ }
+
+ return regmap_update_bits(mfd->regmap, BD718XX_REG_BUCK1_CTRL + id,
+ BUCK_RAMPRATE_MASK, ramp_value << 6);
+}
+
+/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
+ * Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage
+ * is changed. Hence we return -EBUSY for these if voltage is changed
+ * when BUCK/LDO is enabled.
+ */
+static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
+ unsigned int sel)
+{
+ if (regulator_is_enabled_regmap(rdev))
+ return -EBUSY;
+
+ return regulator_set_voltage_sel_regmap(rdev, sel);
+}
+
+static int bd718xx_set_voltage_sel_pickable_restricted(
+ struct regulator_dev *rdev, unsigned int sel)
+{
+ if (regulator_is_enabled_regmap(rdev))
+ return -EBUSY;
+
+ return regulator_set_voltage_sel_pickable_regmap(rdev, sel);
+}
+
+static struct regulator_ops bd718xx_pickable_range_ldo_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_pickable_linear_range,
+ .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
+};
+
+static struct regulator_ops bd718xx_pickable_range_buck_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_pickable_linear_range,
+ .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+};
+
+static struct regulator_ops bd718xx_ldo_regulator_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+};
+
+static struct regulator_ops bd718xx_ldo_regulator_nolinear_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_table,
+ .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+};
+
+static struct regulator_ops bd718xx_buck_regulator_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+};
+
+static struct regulator_ops bd718xx_buck_regulator_nolinear_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_table,
+ .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+};
+
+static struct regulator_ops bd718xx_dvs_buck_regulator_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+ .set_ramp_delay = bd718xx_buck1234_set_ramp_delay,
+};
+
+/*
+ * BD71837 BUCK1/2/3/4
+ * BD71847 BUCK1/2
+ * 0.70 to 1.30V (10mV step)
+ */
+static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = {
+ REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000),
+ REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0),
+};
+
+/*
+ * BD71837 BUCK5
+ * 0.7V to 1.35V (range 0)
+ * and
+ * 0.675 to 1.325 (range 1)
+ */
+static const struct regulator_linear_range bd71837_buck5_volts[] = {
+ /* Ranges when VOLT_SEL bit is 0 */
+ REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
+ REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
+ REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
+ /* Ranges when VOLT_SEL bit is 1 */
+ REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
+ REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
+ REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
+};
+
+/*
+ * Range selector for first 3 linear ranges is 0x0
+ * and 0x1 for last 3 ranges.
+ */
+static const unsigned int bd71837_buck5_volt_range_sel[] = {
+ 0x0, 0x0, 0x0, 0x80, 0x80, 0x80
+};
+
+/*
+ * BD71847 BUCK3
+ */
+static const struct regulator_linear_range bd71847_buck3_volts[] = {
+ /* Ranges when VOLT_SEL bits are 00 */
+ REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
+ REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
+ REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
+ /* Ranges when VOLT_SEL bits are 01 */
+ REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000),
+ /* Ranges when VOLT_SEL bits are 11 */
+ REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
+ REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
+ REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
+};
+
+static const unsigned int bd71847_buck3_volt_range_sel[] = {
+ 0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80
+};
+
+static const struct regulator_linear_range bd71847_buck4_volts[] = {
+ REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
+ REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000),
+};
+
+static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 };
+
+/*
+ * BUCK6
+ * 3.0V to 3.3V (step 100mV)
+ */
+static const struct regulator_linear_range bd71837_buck6_volts[] = {
+ REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
+};
+
+/*
+ * BD71837 BUCK7
+ * BD71847 BUCK5
+ * 000 = 1.605V
+ * 001 = 1.695V
+ * 010 = 1.755V
+ * 011 = 1.8V (Initial)
+ * 100 = 1.845V
+ * 101 = 1.905V
+ * 110 = 1.95V
+ * 111 = 1.995V
+ */
+static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = {
+ 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000
+};
+
+/*
+ * BUCK8
+ * 0.8V to 1.40V (step 10mV)
+ */
+static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = {
+ REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000),
+};
+
+/*
+ * LDO1
+ * 3.0 to 3.3V (100mV step)
+ */
+static const struct regulator_linear_range bd718xx_ldo1_volts[] = {
+ REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
+ REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000),
+};
+
+static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 };
+
+/*
+ * LDO2
+ * 0.8 or 0.9V
+ */
+static const unsigned int ldo_2_volts[] = {
+ 900000, 800000
+};
+
+/*
+ * LDO3
+ * 1.8 to 3.3V (100mV step)
+ */
+static const struct regulator_linear_range bd718xx_ldo3_volts[] = {
+ REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
+};
+
+/*
+ * LDO4
+ * 0.9 to 1.8V (100mV step)
+ */
+static const struct regulator_linear_range bd718xx_ldo4_volts[] = {
+ REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
+};
+
+/*
+ * LDO5 for BD71837
+ * 1.8 to 3.3V (100mV step)
+ */
+static const struct regulator_linear_range bd71837_ldo5_volts[] = {
+ REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
+};
+
+/*
+ * LDO5 for BD71837
+ * 1.8 to 3.3V (100mV step)
+ */
+static const struct regulator_linear_range bd71847_ldo5_volts[] = {
+ REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
+ REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000),
+};
+
+static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 };
+
+/*
+ * LDO6
+ * 0.9 to 1.8V (100mV step)
+ */
+static const struct regulator_linear_range bd718xx_ldo6_volts[] = {
+ REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
+};
+
+/*
+ * LDO7
+ * 1.8 to 3.3V (100mV step)
+ */
+static const struct regulator_linear_range bd71837_ldo7_volts[] = {
+ REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
+};
+
+struct reg_init {
+ unsigned int reg;
+ unsigned int mask;
+ unsigned int val;
+};
+struct bd718xx_regulator_data {
+ struct regulator_desc desc;
+ const struct reg_init init;
+ const struct reg_init *additional_inits;
+ int additional_init_amnt;
+};
+
+/*
+ * There is a HW quirk in BD71837. The shutdown sequence timings for
+ * bucks/LDOs which are controlled via register interface are changed.
+ * At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the
+ * beginning of shut-down sequence. As bucks 6 and 7 are parent
+ * supplies for LDO5 and LDO6 - this causes LDO5/6 voltage
+ * monitoring to errorneously detect under voltage and force PMIC to
+ * emergency state instead of poweroff. In order to avoid this we
+ * disable voltage monitoring for LDO5 and LDO6
+ */
+static const struct reg_init bd71837_ldo5_inits[] = {
+ {
+ .reg = BD718XX_REG_MVRFLTMASK2,
+ .mask = BD718XX_LDO5_VRMON80,
+ .val = BD718XX_LDO5_VRMON80,
+ },
+};
+
+static const struct reg_init bd71837_ldo6_inits[] = {
+ {
+ .reg = BD718XX_REG_MVRFLTMASK2,
+ .mask = BD718XX_LDO6_VRMON80,
+ .val = BD718XX_LDO6_VRMON80,
+ },
+};
+
+static const struct bd718xx_regulator_data bd71847_regulators[] = {
+ {
+ .desc = {
+ .name = "buck1",
+ .of_match = of_match_ptr("BUCK1"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK1,
+ .ops = &bd718xx_dvs_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_dvs_buck_volts,
+ .n_linear_ranges =
+ ARRAY_SIZE(bd718xx_dvs_buck_volts),
+ .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
+ .vsel_mask = DVS_BUCK_RUN_MASK,
+ .enable_reg = BD718XX_REG_BUCK1_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_BUCK1_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck2",
+ .of_match = of_match_ptr("BUCK2"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK2,
+ .ops = &bd718xx_dvs_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_dvs_buck_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
+ .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
+ .vsel_mask = DVS_BUCK_RUN_MASK,
+ .enable_reg = BD718XX_REG_BUCK2_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_BUCK2_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck3",
+ .of_match = of_match_ptr("BUCK3"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK3,
+ .ops = &bd718xx_pickable_range_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD71847_BUCK3_VOLTAGE_NUM,
+ .linear_ranges = bd71847_buck3_volts,
+ .n_linear_ranges =
+ ARRAY_SIZE(bd71847_buck3_volts),
+ .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
+ .vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK,
+ .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
+ .vsel_range_mask = BD71847_BUCK3_RANGE_MASK,
+ .linear_range_selectors = bd71847_buck3_volt_range_sel,
+ .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck4",
+ .of_match = of_match_ptr("BUCK4"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK4,
+ .ops = &bd718xx_pickable_range_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD71847_BUCK4_VOLTAGE_NUM,
+ .linear_ranges = bd71847_buck4_volts,
+ .n_linear_ranges =
+ ARRAY_SIZE(bd71847_buck4_volts),
+ .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
+ .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
+ .vsel_mask = BD71847_BUCK4_MASK,
+ .vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
+ .vsel_range_mask = BD71847_BUCK4_RANGE_MASK,
+ .linear_range_selectors = bd71847_buck4_volt_range_sel,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck5",
+ .of_match = of_match_ptr("BUCK5"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK5,
+ .ops = &bd718xx_buck_regulator_nolinear_ops,
+ .type = REGULATOR_VOLTAGE,
+ .volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
+ .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
+ .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
+ .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
+ .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck6",
+ .of_match = of_match_ptr("BUCK6"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK6,
+ .ops = &bd718xx_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_4th_nodvs_buck_volts,
+ .n_linear_ranges =
+ ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
+ .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
+ .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
+ .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo1",
+ .of_match = of_match_ptr("LDO1"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO1,
+ .ops = &bd718xx_pickable_range_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo1_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
+ .vsel_reg = BD718XX_REG_LDO1_VOLT,
+ .vsel_mask = BD718XX_LDO1_MASK,
+ .vsel_range_reg = BD718XX_REG_LDO1_VOLT,
+ .vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
+ .linear_range_selectors = bd718xx_ldo1_volt_range_sel,
+ .enable_reg = BD718XX_REG_LDO1_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO1_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo2",
+ .of_match = of_match_ptr("LDO2"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO2,
+ .ops = &bd718xx_ldo_regulator_nolinear_ops,
+ .type = REGULATOR_VOLTAGE,
+ .volt_table = &ldo_2_volts[0],
+ .vsel_reg = BD718XX_REG_LDO2_VOLT,
+ .vsel_mask = BD718XX_LDO2_MASK,
+ .n_voltages = ARRAY_SIZE(ldo_2_volts),
+ .enable_reg = BD718XX_REG_LDO2_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO2_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo3",
+ .of_match = of_match_ptr("LDO3"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO3,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo3_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
+ .vsel_reg = BD718XX_REG_LDO3_VOLT,
+ .vsel_mask = BD718XX_LDO3_MASK,
+ .enable_reg = BD718XX_REG_LDO3_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO3_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo4",
+ .of_match = of_match_ptr("LDO4"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO4,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo4_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
+ .vsel_reg = BD718XX_REG_LDO4_VOLT,
+ .vsel_mask = BD718XX_LDO4_MASK,
+ .enable_reg = BD718XX_REG_LDO4_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO4_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo5",
+ .of_match = of_match_ptr("LDO5"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO5,
+ .ops = &bd718xx_pickable_range_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD71847_LDO5_VOLTAGE_NUM,
+ .linear_ranges = bd71847_ldo5_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts),
+ .vsel_reg = BD718XX_REG_LDO5_VOLT,
+ .vsel_mask = BD71847_LDO5_MASK,
+ .vsel_range_reg = BD718XX_REG_LDO5_VOLT,
+ .vsel_range_mask = BD71847_LDO5_RANGE_MASK,
+ .linear_range_selectors = bd71847_ldo5_volt_range_sel,
+ .enable_reg = BD718XX_REG_LDO5_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO5_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo6",
+ .of_match = of_match_ptr("LDO6"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO6,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo6_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
+ /* LDO6 is supplied by buck5 */
+ .supply_name = "buck5",
+ .vsel_reg = BD718XX_REG_LDO6_VOLT,
+ .vsel_mask = BD718XX_LDO6_MASK,
+ .enable_reg = BD718XX_REG_LDO6_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO6_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+};
+
+static const struct bd718xx_regulator_data bd71837_regulators[] = {
+ {
+ .desc = {
+ .name = "buck1",
+ .of_match = of_match_ptr("BUCK1"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK1,
+ .ops = &bd718xx_dvs_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_dvs_buck_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
+ .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
+ .vsel_mask = DVS_BUCK_RUN_MASK,
+ .enable_reg = BD718XX_REG_BUCK1_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_BUCK1_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck2",
+ .of_match = of_match_ptr("BUCK2"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK2,
+ .ops = &bd718xx_dvs_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_dvs_buck_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
+ .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
+ .vsel_mask = DVS_BUCK_RUN_MASK,
+ .enable_reg = BD718XX_REG_BUCK2_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_BUCK2_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck3",
+ .of_match = of_match_ptr("BUCK3"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK3,
+ .ops = &bd718xx_dvs_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_dvs_buck_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
+ .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN,
+ .vsel_mask = DVS_BUCK_RUN_MASK,
+ .enable_reg = BD71837_REG_BUCK3_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD71837_REG_BUCK3_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck4",
+ .of_match = of_match_ptr("BUCK4"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK4,
+ .ops = &bd718xx_dvs_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_dvs_buck_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
+ .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN,
+ .vsel_mask = DVS_BUCK_RUN_MASK,
+ .enable_reg = BD71837_REG_BUCK4_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD71837_REG_BUCK4_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck5",
+ .of_match = of_match_ptr("BUCK5"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK5,
+ .ops = &bd718xx_pickable_range_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD71837_BUCK5_VOLTAGE_NUM,
+ .linear_ranges = bd71837_buck5_volts,
+ .n_linear_ranges =
+ ARRAY_SIZE(bd71837_buck5_volts),
+ .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
+ .vsel_mask = BD71837_BUCK5_MASK,
+ .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
+ .vsel_range_mask = BD71837_BUCK5_RANGE_MASK,
+ .linear_range_selectors = bd71837_buck5_volt_range_sel,
+ .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck6",
+ .of_match = of_match_ptr("BUCK6"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK6,
+ .ops = &bd718xx_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD71837_BUCK6_VOLTAGE_NUM,
+ .linear_ranges = bd71837_buck6_volts,
+ .n_linear_ranges =
+ ARRAY_SIZE(bd71837_buck6_volts),
+ .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
+ .vsel_mask = BD71837_BUCK6_MASK,
+ .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck7",
+ .of_match = of_match_ptr("BUCK7"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK7,
+ .ops = &bd718xx_buck_regulator_nolinear_ops,
+ .type = REGULATOR_VOLTAGE,
+ .volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
+ .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
+ .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
+ .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
+ .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "buck8",
+ .of_match = of_match_ptr("BUCK8"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_BUCK8,
+ .ops = &bd718xx_buck_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_4th_nodvs_buck_volts,
+ .n_linear_ranges =
+ ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
+ .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
+ .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
+ .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
+ .enable_mask = BD718XX_BUCK_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
+ .mask = BD718XX_BUCK_SEL,
+ .val = BD718XX_BUCK_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo1",
+ .of_match = of_match_ptr("LDO1"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO1,
+ .ops = &bd718xx_pickable_range_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo1_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
+ .vsel_reg = BD718XX_REG_LDO1_VOLT,
+ .vsel_mask = BD718XX_LDO1_MASK,
+ .vsel_range_reg = BD718XX_REG_LDO1_VOLT,
+ .vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
+ .linear_range_selectors = bd718xx_ldo1_volt_range_sel,
+ .enable_reg = BD718XX_REG_LDO1_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO1_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo2",
+ .of_match = of_match_ptr("LDO2"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO2,
+ .ops = &bd718xx_ldo_regulator_nolinear_ops,
+ .type = REGULATOR_VOLTAGE,
+ .volt_table = &ldo_2_volts[0],
+ .vsel_reg = BD718XX_REG_LDO2_VOLT,
+ .vsel_mask = BD718XX_LDO2_MASK,
+ .n_voltages = ARRAY_SIZE(ldo_2_volts),
+ .enable_reg = BD718XX_REG_LDO2_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO2_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo3",
+ .of_match = of_match_ptr("LDO3"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO3,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo3_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
+ .vsel_reg = BD718XX_REG_LDO3_VOLT,
+ .vsel_mask = BD718XX_LDO3_MASK,
+ .enable_reg = BD718XX_REG_LDO3_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO3_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo4",
+ .of_match = of_match_ptr("LDO4"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO4,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo4_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
+ .vsel_reg = BD718XX_REG_LDO4_VOLT,
+ .vsel_mask = BD718XX_LDO4_MASK,
+ .enable_reg = BD718XX_REG_LDO4_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO4_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+ {
+ .desc = {
+ .name = "ldo5",
+ .of_match = of_match_ptr("LDO5"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO5,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD71837_LDO5_VOLTAGE_NUM,
+ .linear_ranges = bd71837_ldo5_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts),
+ /* LDO5 is supplied by buck6 */
+ .supply_name = "buck6",
+ .vsel_reg = BD718XX_REG_LDO5_VOLT,
+ .vsel_mask = BD71837_LDO5_MASK,
+ .enable_reg = BD718XX_REG_LDO5_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO5_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ .additional_inits = bd71837_ldo5_inits,
+ .additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits),
+ },
+ {
+ .desc = {
+ .name = "ldo6",
+ .of_match = of_match_ptr("LDO6"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO6,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
+ .linear_ranges = bd718xx_ldo6_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
+ /* LDO6 is supplied by buck7 */
+ .supply_name = "buck7",
+ .vsel_reg = BD718XX_REG_LDO6_VOLT,
+ .vsel_mask = BD718XX_LDO6_MASK,
+ .enable_reg = BD718XX_REG_LDO6_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD718XX_REG_LDO6_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ .additional_inits = bd71837_ldo6_inits,
+ .additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits),
+ },
+ {
+ .desc = {
+ .name = "ldo7",
+ .of_match = of_match_ptr("LDO7"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = BD718XX_LDO7,
+ .ops = &bd718xx_ldo_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = BD71837_LDO7_VOLTAGE_NUM,
+ .linear_ranges = bd71837_ldo7_volts,
+ .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts),
+ .vsel_reg = BD71837_REG_LDO7_VOLT,
+ .vsel_mask = BD71837_LDO7_MASK,
+ .enable_reg = BD71837_REG_LDO7_VOLT,
+ .enable_mask = BD718XX_LDO_EN,
+ .owner = THIS_MODULE,
+ },
+ .init = {
+ .reg = BD71837_REG_LDO7_VOLT,
+ .mask = BD718XX_LDO_SEL,
+ .val = BD718XX_LDO_SEL,
+ },
+ },
+};
+
+struct bd718xx_pmic_inits {
+ const struct bd718xx_regulator_data (*r_datas)[];
+ unsigned int r_amount;
+};
+
+static int bd718xx_probe(struct platform_device *pdev)
+{
+ struct bd718xx_pmic *pmic;
+ struct regulator_config config = { 0 };
+ struct bd718xx_pmic_inits pmic_regulators[] = {
+ [BD718XX_TYPE_BD71837] = {
+ .r_datas = &bd71837_regulators,
+ .r_amount = ARRAY_SIZE(bd71837_regulators),
+ },
+ [BD718XX_TYPE_BD71847] = {
+ .r_datas = &bd71847_regulators,
+ .r_amount = ARRAY_SIZE(bd71847_regulators),
+ },
+ };
+
+ int i, j, err;
+
+ pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
+ if (!pmic)
+ return -ENOMEM;
+
+ pmic->pdev = pdev;
+ pmic->mfd = dev_get_drvdata(pdev->dev.parent);
+
+ if (!pmic->mfd) {
+ dev_err(&pdev->dev, "No MFD driver data\n");
+ err = -EINVAL;
+ goto err;
+ }
+ if (pmic->mfd->chip_type >= BD718XX_TYPE_AMOUNT ||
+ !pmic_regulators[pmic->mfd->chip_type].r_datas) {
+ dev_err(&pdev->dev, "Unsupported chip type\n");
+ err = -EINVAL;
+ goto err;
+ }
+
+ platform_set_drvdata(pdev, pmic);
+
+ /* Register LOCK release */
+ err = regmap_update_bits(pmic->mfd->regmap, BD718XX_REG_REGLOCK,
+ (REGLOCK_PWRSEQ | REGLOCK_VREG), 0);
+ if (err) {
+ dev_err(&pmic->pdev->dev, "Failed to unlock PMIC (%d)\n", err);
+ goto err;
+ } else {
+ dev_dbg(&pmic->pdev->dev, "Unlocked lock register 0x%x\n",
+ BD718XX_REG_REGLOCK);
+ }
+
+ for (i = 0; i < pmic_regulators[pmic->mfd->chip_type].r_amount; i++) {
+
+ const struct regulator_desc *desc;
+ struct regulator_dev *rdev;
+ const struct bd718xx_regulator_data *r;
+
+ r = &(*pmic_regulators[pmic->mfd->chip_type].r_datas)[i];
+ desc = &r->desc;
+
+ config.dev = pdev->dev.parent;
+ config.driver_data = pmic;
+ config.regmap = pmic->mfd->regmap;
+
+ rdev = devm_regulator_register(&pdev->dev, desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(pmic->mfd->dev,
+ "failed to register %s regulator\n",
+ desc->name);
+ err = PTR_ERR(rdev);
+ goto err;
+ }
+ /* Regulator register gets the regulator constraints and
+ * applies them (set_machine_constraints). This should have
+ * turned the control register(s) to correct values and we
+ * can now switch the control from PMIC state machine to the
+ * register interface
+ */
+ err = regmap_update_bits(pmic->mfd->regmap, r->init.reg,
+ r->init.mask, r->init.val);
+ if (err) {
+ dev_err(&pmic->pdev->dev,
+ "Failed to write BUCK/LDO SEL bit for (%s)\n",
+ desc->name);
+ goto err;
+ }
+ for (j = 0; j < r->additional_init_amnt; j++) {
+ err = regmap_update_bits(pmic->mfd->regmap,
+ r->additional_inits[j].reg,
+ r->additional_inits[j].mask,
+ r->additional_inits[j].val);
+ if (err) {
+ dev_err(&pmic->pdev->dev,
+ "Buck (%s) initialization failed\n",
+ desc->name);
+ goto err;
+ }
+ }
+
+ pmic->rdev[i] = rdev;
+ }
+
+err:
+ return err;
+}
+
+static struct platform_driver bd718xx_regulator = {
+ .driver = {
+ .name = "bd718xx-pmic",
+ },
+ .probe = bd718xx_probe,
+};
+
+module_platform_driver(bd718xx_regulator);
+
+MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
+MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver");
+MODULE_LICENSE("GPL");
projects / linux.git / commitdiff