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- // 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/interrupt.h>
- #include <linux/kernel.h>
- #include <linux/mfd/rohm-bd718x7.h>
- #include <linux/module.h>
- #include <linux/of.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>
- /* Typical regulator startup times as per data sheet in uS */
- #define BD71847_BUCK1_STARTUP_TIME 144
- #define BD71847_BUCK2_STARTUP_TIME 162
- #define BD71847_BUCK3_STARTUP_TIME 162
- #define BD71847_BUCK4_STARTUP_TIME 240
- #define BD71847_BUCK5_STARTUP_TIME 270
- #define BD71847_BUCK6_STARTUP_TIME 200
- #define BD71847_LDO1_STARTUP_TIME 440
- #define BD71847_LDO2_STARTUP_TIME 370
- #define BD71847_LDO3_STARTUP_TIME 310
- #define BD71847_LDO4_STARTUP_TIME 400
- #define BD71847_LDO5_STARTUP_TIME 530
- #define BD71847_LDO6_STARTUP_TIME 400
- #define BD71837_BUCK1_STARTUP_TIME 160
- #define BD71837_BUCK2_STARTUP_TIME 180
- #define BD71837_BUCK3_STARTUP_TIME 180
- #define BD71837_BUCK4_STARTUP_TIME 180
- #define BD71837_BUCK5_STARTUP_TIME 160
- #define BD71837_BUCK6_STARTUP_TIME 240
- #define BD71837_BUCK7_STARTUP_TIME 220
- #define BD71837_BUCK8_STARTUP_TIME 200
- #define BD71837_LDO1_STARTUP_TIME 440
- #define BD71837_LDO2_STARTUP_TIME 370
- #define BD71837_LDO3_STARTUP_TIME 310
- #define BD71837_LDO4_STARTUP_TIME 400
- #define BD71837_LDO5_STARTUP_TIME 310
- #define BD71837_LDO6_STARTUP_TIME 400
- #define BD71837_LDO7_STARTUP_TIME 530
- /*
- * BD718(37/47/50) have two "enable control modes". ON/OFF can either be
- * controlled by software - or by PMIC internal HW state machine. Whether
- * regulator should be under SW or HW control can be defined from device-tree.
- * Let's provide separate ops for regulators to use depending on the "enable
- * control mode".
- */
- #define BD718XX_HWOPNAME(swopname) swopname##_hwcontrol
- #define BD718XX_OPS(name, _list_voltage, _map_voltage, _set_voltage_sel, \
- _get_voltage_sel, _set_voltage_time_sel, _set_ramp_delay) \
- static const struct regulator_ops name = { \
- .enable = regulator_enable_regmap, \
- .disable = regulator_disable_regmap, \
- .is_enabled = regulator_is_enabled_regmap, \
- .list_voltage = (_list_voltage), \
- .map_voltage = (_map_voltage), \
- .set_voltage_sel = (_set_voltage_sel), \
- .get_voltage_sel = (_get_voltage_sel), \
- .set_voltage_time_sel = (_set_voltage_time_sel), \
- .set_ramp_delay = (_set_ramp_delay), \
- }; \
- \
- static const struct regulator_ops BD718XX_HWOPNAME(name) = { \
- .is_enabled = always_enabled_by_hwstate, \
- .list_voltage = (_list_voltage), \
- .map_voltage = (_map_voltage), \
- .set_voltage_sel = (_set_voltage_sel), \
- .get_voltage_sel = (_get_voltage_sel), \
- .set_voltage_time_sel = (_set_voltage_time_sel), \
- .set_ramp_delay = (_set_ramp_delay), \
- } \
- /*
- * 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)
- {
- int id = rdev_get_id(rdev);
- unsigned int ramp_value;
- dev_dbg(&rdev->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(&rdev->dev,
- "%s: ramp_delay: %d not supported, setting 10000mV//us\n",
- rdev->desc->name, ramp_delay);
- }
- return regmap_update_bits(rdev->regmap, BD718XX_REG_BUCK1_CTRL + id,
- BUCK_RAMPRATE_MASK, ramp_value << 6);
- }
- /* These functions are used when regulators are under HW state machine control.
- * We assume PMIC is in RUN state because SW running and able to query the
- * status. Most of the regulators have fixed ON or OFF state at RUN/IDLE so for
- * them we just return a constant. BD71837 BUCK3 and BUCK4 are exceptions as
- * they support configuring the ON/OFF state for RUN.
- *
- * Note for next hacker - these PMICs have a register where the HW state can be
- * read. If assuming RUN appears to be false in your use-case - you can
- * implement state reading (although that is not going to be atomic) before
- * returning the enable state.
- */
- static int always_enabled_by_hwstate(struct regulator_dev *rdev)
- {
- return 1;
- }
- static int never_enabled_by_hwstate(struct regulator_dev *rdev)
- {
- return 0;
- }
- static int bd71837_get_buck34_enable_hwctrl(struct regulator_dev *rdev)
- {
- int ret;
- unsigned int val;
- ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
- if (ret)
- return ret;
- return !!(BD718XX_BUCK_RUN_ON & val);
- }
- /*
- * On BD71837 (not on BD71847, BD71850, ...)
- * 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.
- *
- * On BD71847, BD71850, ... The LDO voltage can be changed when LDO is
- * enabled. But if voltage is increased the LDO power-good monitoring
- * must be disabled for the duration of changing + 1mS to ensure voltage
- * has reached the higher level before HW does next under voltage detection
- * cycle.
- */
- static int bd71837_set_voltage_sel_restricted(struct regulator_dev *rdev,
- unsigned int sel)
- {
- if (rdev->desc->ops->is_enabled(rdev))
- return -EBUSY;
- return regulator_set_voltage_sel_regmap(rdev, sel);
- }
- static void voltage_change_done(struct regulator_dev *rdev, unsigned int sel,
- unsigned int *mask)
- {
- int ret;
- if (*mask) {
- /*
- * Let's allow scheduling as we use I2C anyways. We just need to
- * guarantee minimum of 1ms sleep - it shouldn't matter if we
- * exceed it due to the scheduling.
- */
- msleep(1);
- /*
- * Note for next hacker. The PWRGOOD should not be masked on
- * BD71847 so we will just unconditionally enable detection
- * when voltage is set.
- * If someone want's to disable PWRGOOD he must implement
- * caching and restoring the old value here. I am not
- * aware of such use-cases so for the sake of the simplicity
- * we just always enable PWRGOOD here.
- */
- ret = regmap_update_bits(rdev->regmap, BD718XX_REG_MVRFLTMASK2,
- *mask, 0);
- if (ret)
- dev_err(&rdev->dev,
- "Failed to re-enable voltage monitoring (%d)\n",
- ret);
- }
- }
- static int voltage_change_prepare(struct regulator_dev *rdev, unsigned int sel,
- unsigned int *mask)
- {
- int ret;
- *mask = 0;
- if (rdev->desc->ops->is_enabled(rdev)) {
- int now, new;
- now = rdev->desc->ops->get_voltage_sel(rdev);
- if (now < 0)
- return now;
- now = rdev->desc->ops->list_voltage(rdev, now);
- if (now < 0)
- return now;
- new = rdev->desc->ops->list_voltage(rdev, sel);
- if (new < 0)
- return new;
- /*
- * If we increase LDO voltage when LDO is enabled we need to
- * disable the power-good detection until voltage has reached
- * the new level. According to HW colleagues the maximum time
- * it takes is 1000us. I assume that on systems with light load
- * this might be less - and we could probably use DT to give
- * system specific delay value if performance matters.
- *
- * Well, knowing we use I2C here and can add scheduling delays
- * I don't think it is worth the hassle and I just add fixed
- * 1ms sleep here (and allow scheduling). If this turns out to
- * be a problem we can change it to delay and make the delay
- * time configurable.
- */
- if (new > now) {
- int ldo_offset = rdev->desc->id - BD718XX_LDO1;
- *mask = BD718XX_LDO1_VRMON80 << ldo_offset;
- ret = regmap_update_bits(rdev->regmap,
- BD718XX_REG_MVRFLTMASK2,
- *mask, *mask);
- if (ret) {
- dev_err(&rdev->dev,
- "Failed to stop voltage monitoring\n");
- return ret;
- }
- }
- }
- return 0;
- }
- static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
- unsigned int sel)
- {
- int ret;
- int mask;
- ret = voltage_change_prepare(rdev, sel, &mask);
- if (ret)
- return ret;
- ret = regulator_set_voltage_sel_regmap(rdev, sel);
- voltage_change_done(rdev, sel, &mask);
- return ret;
- }
- static int bd718xx_set_voltage_sel_pickable_restricted(
- struct regulator_dev *rdev, unsigned int sel)
- {
- int ret;
- int mask;
- ret = voltage_change_prepare(rdev, sel, &mask);
- if (ret)
- return ret;
- ret = regulator_set_voltage_sel_pickable_regmap(rdev, sel);
- voltage_change_done(rdev, sel, &mask);
- return ret;
- }
- static int bd71837_set_voltage_sel_pickable_restricted(
- struct regulator_dev *rdev, unsigned int sel)
- {
- if (rdev->desc->ops->is_enabled(rdev))
- return -EBUSY;
- return regulator_set_voltage_sel_pickable_regmap(rdev, sel);
- }
- /*
- * OPS common for BD71847 and BD71850
- */
- BD718XX_OPS(bd718xx_pickable_range_ldo_ops,
- regulator_list_voltage_pickable_linear_range, NULL,
- bd718xx_set_voltage_sel_pickable_restricted,
- regulator_get_voltage_sel_pickable_regmap, NULL, NULL);
- /* BD71847 and BD71850 LDO 5 is by default OFF at RUN state */
- static const struct regulator_ops bd718xx_ldo5_ops_hwstate = {
- .is_enabled = never_enabled_by_hwstate,
- .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,
- };
- BD718XX_OPS(bd718xx_pickable_range_buck_ops,
- regulator_list_voltage_pickable_linear_range, NULL,
- regulator_set_voltage_sel_pickable_regmap,
- regulator_get_voltage_sel_pickable_regmap,
- regulator_set_voltage_time_sel, NULL);
- BD718XX_OPS(bd718xx_ldo_regulator_ops, regulator_list_voltage_linear_range,
- NULL, bd718xx_set_voltage_sel_restricted,
- regulator_get_voltage_sel_regmap, NULL, NULL);
- BD718XX_OPS(bd718xx_ldo_regulator_nolinear_ops, regulator_list_voltage_table,
- NULL, bd718xx_set_voltage_sel_restricted,
- regulator_get_voltage_sel_regmap, NULL, NULL);
- BD718XX_OPS(bd718xx_buck_regulator_ops, regulator_list_voltage_linear_range,
- NULL, regulator_set_voltage_sel_regmap,
- regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel,
- NULL);
- BD718XX_OPS(bd718xx_buck_regulator_nolinear_ops, regulator_list_voltage_table,
- regulator_map_voltage_ascend, regulator_set_voltage_sel_regmap,
- regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel,
- NULL);
- /*
- * OPS for BD71837
- */
- BD718XX_OPS(bd71837_pickable_range_ldo_ops,
- regulator_list_voltage_pickable_linear_range, NULL,
- bd71837_set_voltage_sel_pickable_restricted,
- regulator_get_voltage_sel_pickable_regmap, NULL, NULL);
- BD718XX_OPS(bd71837_pickable_range_buck_ops,
- regulator_list_voltage_pickable_linear_range, NULL,
- bd71837_set_voltage_sel_pickable_restricted,
- regulator_get_voltage_sel_pickable_regmap,
- regulator_set_voltage_time_sel, NULL);
- BD718XX_OPS(bd71837_ldo_regulator_ops, regulator_list_voltage_linear_range,
- NULL, bd71837_set_voltage_sel_restricted,
- regulator_get_voltage_sel_regmap, NULL, NULL);
- BD718XX_OPS(bd71837_ldo_regulator_nolinear_ops, regulator_list_voltage_table,
- NULL, bd71837_set_voltage_sel_restricted,
- regulator_get_voltage_sel_regmap, NULL, NULL);
- BD718XX_OPS(bd71837_buck_regulator_ops, regulator_list_voltage_linear_range,
- NULL, bd71837_set_voltage_sel_restricted,
- regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel,
- NULL);
- BD718XX_OPS(bd71837_buck_regulator_nolinear_ops, regulator_list_voltage_table,
- regulator_map_voltage_ascend, bd71837_set_voltage_sel_restricted,
- regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel,
- NULL);
- /*
- * BD71837 bucks 3 and 4 support defining their enable/disable state also
- * when buck enable state is under HW state machine control. In that case the
- * bit [2] in CTRL register is used to indicate if regulator should be ON.
- */
- static const struct regulator_ops bd71837_buck34_ops_hwctrl = {
- .is_enabled = bd71837_get_buck34_enable_hwctrl,
- .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,
- };
- /*
- * OPS for all of the ICs - BD718(37/47/50)
- */
- BD718XX_OPS(bd718xx_dvs_buck_regulator_ops, regulator_list_voltage_linear_range,
- NULL, regulator_set_voltage_sel_regmap,
- regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel,
- bd718xx_buck1234_set_ramp_delay);
- /*
- * BD71837 BUCK1/2/3/4
- * BD71847 BUCK1/2
- * 0.70 to 1.30V (10mV step)
- */
- static const struct 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 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 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 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 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 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 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 linear_range bd718xx_ldo3_volts[] = {
- REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
- };
- /*
- * LDO4
- * 0.9 to 1.8V (100mV step)
- */
- static const struct 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 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 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 linear_range bd718xx_ldo6_volts[] = {
- REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
- };
- /*
- * LDO7
- * 1.8 to 3.3V (100mV step)
- */
- static const struct 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 rohm_dvs_config dvs;
- 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 int buck_set_hw_dvs_levels(struct device_node *np,
- const struct regulator_desc *desc,
- struct regulator_config *cfg)
- {
- struct bd718xx_regulator_data *data;
- data = container_of(desc, struct bd718xx_regulator_data, desc);
- return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap);
- }
- static const struct regulator_ops *bd71847_swcontrol_ops[] = {
- &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops,
- &bd718xx_pickable_range_buck_ops, &bd718xx_pickable_range_buck_ops,
- &bd718xx_buck_regulator_nolinear_ops, &bd718xx_buck_regulator_ops,
- &bd718xx_pickable_range_ldo_ops, &bd718xx_ldo_regulator_nolinear_ops,
- &bd718xx_ldo_regulator_ops, &bd718xx_ldo_regulator_ops,
- &bd718xx_pickable_range_ldo_ops, &bd718xx_ldo_regulator_ops,
- };
- static const struct regulator_ops *bd71847_hwcontrol_ops[] = {
- &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops),
- &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops),
- &BD718XX_HWOPNAME(bd718xx_pickable_range_buck_ops),
- &BD718XX_HWOPNAME(bd718xx_pickable_range_buck_ops),
- &BD718XX_HWOPNAME(bd718xx_buck_regulator_nolinear_ops),
- &BD718XX_HWOPNAME(bd718xx_buck_regulator_ops),
- &BD718XX_HWOPNAME(bd718xx_pickable_range_ldo_ops),
- &BD718XX_HWOPNAME(bd718xx_ldo_regulator_nolinear_ops),
- &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops),
- &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops),
- &bd718xx_ldo5_ops_hwstate,
- &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops),
- };
- static struct bd718xx_regulator_data bd71847_regulators[] = {
- {
- .desc = {
- .name = "buck1",
- .of_match = of_match_ptr("BUCK1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK1,
- .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,
- .enable_time = BD71847_BUCK1_STARTUP_TIME,
- .owner = THIS_MODULE,
- .of_parse_cb = buck_set_hw_dvs_levels,
- },
- .dvs = {
- .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE |
- ROHM_DVS_LEVEL_SUSPEND,
- .run_reg = BD718XX_REG_BUCK1_VOLT_RUN,
- .run_mask = DVS_BUCK_RUN_MASK,
- .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE,
- .idle_mask = DVS_BUCK_RUN_MASK,
- .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP,
- .suspend_mask = DVS_BUCK_RUN_MASK,
- },
- .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,
- .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,
- .enable_time = BD71847_BUCK2_STARTUP_TIME,
- .owner = THIS_MODULE,
- .of_parse_cb = buck_set_hw_dvs_levels,
- },
- .dvs = {
- .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE,
- .run_reg = BD718XX_REG_BUCK2_VOLT_RUN,
- .run_mask = DVS_BUCK_RUN_MASK,
- .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE,
- .idle_mask = DVS_BUCK_RUN_MASK,
- },
- .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,
- .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,
- .enable_time = BD71847_BUCK3_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_BUCK4_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_BUCK5_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_BUCK6_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_LDO1_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_LDO2_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_LDO3_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_LDO4_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_LDO5_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71847_LDO6_STARTUP_TIME,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD718XX_REG_LDO6_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- };
- static const struct regulator_ops *bd71837_swcontrol_ops[] = {
- &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops,
- &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops,
- &bd71837_pickable_range_buck_ops, &bd71837_buck_regulator_ops,
- &bd71837_buck_regulator_nolinear_ops, &bd71837_buck_regulator_ops,
- &bd71837_pickable_range_ldo_ops, &bd71837_ldo_regulator_nolinear_ops,
- &bd71837_ldo_regulator_ops, &bd71837_ldo_regulator_ops,
- &bd71837_ldo_regulator_ops, &bd71837_ldo_regulator_ops,
- &bd71837_ldo_regulator_ops,
- };
- static const struct regulator_ops *bd71837_hwcontrol_ops[] = {
- &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops),
- &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops),
- &bd71837_buck34_ops_hwctrl, &bd71837_buck34_ops_hwctrl,
- &BD718XX_HWOPNAME(bd71837_pickable_range_buck_ops),
- &BD718XX_HWOPNAME(bd71837_buck_regulator_ops),
- &BD718XX_HWOPNAME(bd71837_buck_regulator_nolinear_ops),
- &BD718XX_HWOPNAME(bd71837_buck_regulator_ops),
- &BD718XX_HWOPNAME(bd71837_pickable_range_ldo_ops),
- &BD718XX_HWOPNAME(bd71837_ldo_regulator_nolinear_ops),
- &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops),
- &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops),
- &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops),
- &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops),
- &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops),
- };
- static struct bd718xx_regulator_data bd71837_regulators[] = {
- {
- .desc = {
- .name = "buck1",
- .of_match = of_match_ptr("BUCK1"),
- .regulators_node = of_match_ptr("regulators"),
- .id = BD718XX_BUCK1,
- .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,
- .enable_time = BD71837_BUCK1_STARTUP_TIME,
- .owner = THIS_MODULE,
- .of_parse_cb = buck_set_hw_dvs_levels,
- },
- .dvs = {
- .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE |
- ROHM_DVS_LEVEL_SUSPEND,
- .run_reg = BD718XX_REG_BUCK1_VOLT_RUN,
- .run_mask = DVS_BUCK_RUN_MASK,
- .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE,
- .idle_mask = DVS_BUCK_RUN_MASK,
- .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP,
- .suspend_mask = DVS_BUCK_RUN_MASK,
- },
- .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,
- .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,
- .enable_time = BD71837_BUCK2_STARTUP_TIME,
- .owner = THIS_MODULE,
- .of_parse_cb = buck_set_hw_dvs_levels,
- },
- .dvs = {
- .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE,
- .run_reg = BD718XX_REG_BUCK2_VOLT_RUN,
- .run_mask = DVS_BUCK_RUN_MASK,
- .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE,
- .idle_mask = DVS_BUCK_RUN_MASK,
- },
- .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,
- .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,
- .enable_time = BD71837_BUCK3_STARTUP_TIME,
- .owner = THIS_MODULE,
- .of_parse_cb = buck_set_hw_dvs_levels,
- },
- .dvs = {
- .level_map = ROHM_DVS_LEVEL_RUN,
- .run_reg = BD71837_REG_BUCK3_VOLT_RUN,
- .run_mask = DVS_BUCK_RUN_MASK,
- },
- .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,
- .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,
- .enable_time = BD71837_BUCK4_STARTUP_TIME,
- .owner = THIS_MODULE,
- .of_parse_cb = buck_set_hw_dvs_levels,
- },
- .dvs = {
- .level_map = ROHM_DVS_LEVEL_RUN,
- .run_reg = BD71837_REG_BUCK4_VOLT_RUN,
- .run_mask = DVS_BUCK_RUN_MASK,
- },
- .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,
- .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,
- .enable_time = BD71837_BUCK5_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_BUCK6_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_BUCK7_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_BUCK8_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_LDO1_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_LDO2_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_LDO3_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_LDO4_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_LDO5_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_LDO6_STARTUP_TIME,
- .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,
- .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,
- .enable_time = BD71837_LDO7_STARTUP_TIME,
- .owner = THIS_MODULE,
- },
- .init = {
- .reg = BD71837_REG_LDO7_VOLT,
- .mask = BD718XX_LDO_SEL,
- .val = BD718XX_LDO_SEL,
- },
- },
- };
- static void mark_hw_controlled(struct device *dev, struct device_node *np,
- struct bd718xx_regulator_data *reg_data,
- unsigned int num_reg_data, int *info)
- {
- int i;
- for (i = 1; i <= num_reg_data; i++) {
- if (!of_node_name_eq(np, reg_data[i-1].desc.of_match))
- continue;
- *info |= 1 << (i - 1);
- dev_dbg(dev, "regulator %d runlevel controlled\n", i);
- return;
- }
- dev_warn(dev, "Bad regulator node\n");
- }
- static int get_hw_controlled_regulators(struct device *dev,
- struct bd718xx_regulator_data *reg_data,
- unsigned int num_reg_data, int *info)
- {
- struct device_node *np;
- struct device_node *nproot = dev->of_node;
- const char *prop = "rohm,no-regulator-enable-control";
- *info = 0;
- nproot = of_get_child_by_name(nproot, "regulators");
- if (!nproot) {
- dev_err(dev, "failed to find regulators node\n");
- return -ENODEV;
- }
- for_each_child_of_node(nproot, np)
- if (of_property_read_bool(np, prop))
- mark_hw_controlled(dev, np, reg_data, num_reg_data,
- info);
- of_node_put(nproot);
- return 0;
- }
- static int bd718xx_probe(struct platform_device *pdev)
- {
- struct bd718xx *mfd;
- struct regulator_config config = { 0 };
- int i, j, err, omit_enable;
- bool use_snvs;
- struct bd718xx_regulator_data *reg_data;
- unsigned int num_reg_data;
- enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data;
- const struct regulator_ops **swops, **hwops;
- mfd = dev_get_drvdata(pdev->dev.parent);
- if (!mfd) {
- dev_err(&pdev->dev, "No MFD driver data\n");
- err = -EINVAL;
- goto err;
- }
- switch (chip) {
- case ROHM_CHIP_TYPE_BD71837:
- reg_data = bd71837_regulators;
- num_reg_data = ARRAY_SIZE(bd71837_regulators);
- swops = &bd71837_swcontrol_ops[0];
- hwops = &bd71837_hwcontrol_ops[0];
- break;
- case ROHM_CHIP_TYPE_BD71847:
- reg_data = bd71847_regulators;
- num_reg_data = ARRAY_SIZE(bd71847_regulators);
- swops = &bd71847_swcontrol_ops[0];
- hwops = &bd71847_hwcontrol_ops[0];
- break;
- default:
- dev_err(&pdev->dev, "Unsupported chip type\n");
- err = -EINVAL;
- goto err;
- }
- /* Register LOCK release */
- err = regmap_update_bits(mfd->chip.regmap, BD718XX_REG_REGLOCK,
- (REGLOCK_PWRSEQ | REGLOCK_VREG), 0);
- if (err) {
- dev_err(&pdev->dev, "Failed to unlock PMIC (%d)\n", err);
- goto err;
- } else {
- dev_dbg(&pdev->dev, "Unlocked lock register 0x%x\n",
- BD718XX_REG_REGLOCK);
- }
- use_snvs = of_property_read_bool(pdev->dev.parent->of_node,
- "rohm,reset-snvs-powered");
- /*
- * Change the next stage from poweroff to be READY instead of SNVS
- * for all reset types because OTP loading at READY will clear SEL
- * bit allowing HW defaults for power rails to be used
- */
- if (!use_snvs) {
- err = regmap_update_bits(mfd->chip.regmap,
- BD718XX_REG_TRANS_COND1,
- BD718XX_ON_REQ_POWEROFF_MASK |
- BD718XX_SWRESET_POWEROFF_MASK |
- BD718XX_WDOG_POWEROFF_MASK |
- BD718XX_KEY_L_POWEROFF_MASK,
- BD718XX_POWOFF_TO_RDY);
- if (err) {
- dev_err(&pdev->dev, "Failed to change reset target\n");
- goto err;
- } else {
- dev_dbg(&pdev->dev,
- "Changed all resets from SVNS to READY\n");
- }
- }
- config.dev = pdev->dev.parent;
- config.regmap = mfd->chip.regmap;
- /*
- * There are cases when we want to leave the enable-control for
- * the HW state machine and use this driver only for voltage control.
- * One special case is when we use PMIC_STBY_REQ line from SoC to PMIC
- * in order to set the system to SUSPEND state.
- *
- * If regulator is taken under SW control the regulator state will not
- * be affected by PMIC state machine - Eg. regulator is likely to stay
- * on even in SUSPEND
- */
- get_hw_controlled_regulators(pdev->dev.parent, reg_data, num_reg_data,
- &omit_enable);
- for (i = 0; i < num_reg_data; i++) {
- struct regulator_desc *desc;
- struct regulator_dev *rdev;
- struct bd718xx_regulator_data *r;
- int no_enable_control = omit_enable & (1 << i);
- r = ®_data[i];
- desc = &r->desc;
- if (no_enable_control)
- desc->ops = hwops[i];
- else
- desc->ops = swops[i];
- rdev = devm_regulator_register(&pdev->dev, desc, &config);
- if (IS_ERR(rdev)) {
- dev_err(&pdev->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
- *
- * At poweroff transition PMIC HW disables EN bit for
- * regulators but leaves SEL bit untouched. So if state
- * transition from POWEROFF is done to SNVS - then all power
- * rails controlled by SW (having SEL bit set) stay disabled
- * as EN is cleared. This will result boot failure if any
- * crucial systems are powered by these rails. We don't
- * enable SW control for crucial regulators if snvs state is
- * used
- */
- if (!no_enable_control && (!use_snvs ||
- !rdev->constraints->always_on ||
- !rdev->constraints->boot_on)) {
- err = regmap_update_bits(mfd->chip.regmap, r->init.reg,
- r->init.mask, r->init.val);
- if (err) {
- dev_err(&pdev->dev,
- "Failed to take control for (%s)\n",
- desc->name);
- goto err;
- }
- }
- for (j = 0; j < r->additional_init_amnt; j++) {
- err = regmap_update_bits(mfd->chip.regmap,
- r->additional_inits[j].reg,
- r->additional_inits[j].mask,
- r->additional_inits[j].val);
- if (err) {
- dev_err(&pdev->dev,
- "Buck (%s) initialization failed\n",
- desc->name);
- goto err;
- }
- }
- }
- err:
- return err;
- }
- static const struct platform_device_id bd718x7_pmic_id[] = {
- { "bd71837-pmic", ROHM_CHIP_TYPE_BD71837 },
- { "bd71847-pmic", ROHM_CHIP_TYPE_BD71847 },
- { },
- };
- MODULE_DEVICE_TABLE(platform, bd718x7_pmic_id);
- static struct platform_driver bd718xx_regulator = {
- .driver = {
- .name = "bd718xx-pmic",
- },
- .probe = bd718xx_probe,
- .id_table = bd718x7_pmic_id,
- };
- module_platform_driver(bd718xx_regulator);
- MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
- MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver");
- MODULE_LICENSE("GPL");
- MODULE_ALIAS("platform:bd718xx-pmic");
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