Merge remote-tracking branch 'regulator/for-5.8' into regulator-linus

53 files changed, 882 insertions, 310 deletions

diff --git a/drivers/regulator/88pg86x.c b/drivers/regulator/88pg86x.c
index d5ef55c81185..71cfa2c5de5e 100644
--- a/drivers/regulator/88pg86x.c
+++ b/drivers/regulator/88pg86x.c
@@ -11,13 +11,13 @@ static const struct regulator_ops pg86x_ops = {
 	.list_voltage = regulator_list_voltage_linear_range,
 };
 
-static const struct regulator_linear_range pg86x_buck1_ranges[] = {
+static const struct linear_range pg86x_buck1_ranges[] = {
 	REGULATOR_LINEAR_RANGE(      0,  0, 10,     0),
 	REGULATOR_LINEAR_RANGE(1000000, 11, 34, 25000),
 	REGULATOR_LINEAR_RANGE(1600000, 35, 47, 50000),
 };
 
-static const struct regulator_linear_range pg86x_buck2_ranges[] = {
+static const struct linear_range pg86x_buck2_ranges[] = {
 	REGULATOR_LINEAR_RANGE(      0,  0, 15,     0),
 	REGULATOR_LINEAR_RANGE(1000000, 16, 39, 25000),
 	REGULATOR_LINEAR_RANGE(1600000, 40, 52, 50000),
diff --git a/drivers/regulator/88pm800-regulator.c b/drivers/regulator/88pm800-regulator.c
index 69ae25886181..d08ee81ed1ac 100644
--- a/drivers/regulator/88pm800-regulator.c
+++ b/drivers/regulator/88pm800-regulator.c
@@ -134,13 +134,13 @@ struct pm800_regulator_info {
 }
 
 /* Ranges are sorted in ascending order. */
-static const struct regulator_linear_range buck1_volt_range[] = {
+static const struct linear_range buck1_volt_range[] = {
 	REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
 	REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x54, 50000),
 };
 
 /* BUCK 2~5 have same ranges. */
-static const struct regulator_linear_range buck2_5_volt_range[] = {
+static const struct linear_range buck2_5_volt_range[] = {
 	REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
 	REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x72, 50000),
 };
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index f4b72cb098ef..8f677f5d79b4 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 menuconfig REGULATOR
 	bool "Voltage and Current Regulator Support"
+	select LINEAR_RANGES
 	help
 	  Generic Voltage and Current Regulator support.
 
@@ -585,6 +586,16 @@ config REGULATOR_MAX77802
 	  Exynos5420/Exynos5800 SoCs to control various voltages.
 	  It includes support for control of voltage and ramp speed.
 
+config REGULATOR_MAX77826
+	tristate "Maxim 77826 regulator"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  This driver controls a Maxim 77826 regulator via I2C bus.
+	  The regulator include 15 LDOs, BUCK and BUCK BOOST regulator.
+	  It includes support for control of output voltage. This
+	  regulator is found on the Samsung Galaxy S5 (klte) smartphone.
+
 config REGULATOR_MC13XXX_CORE
 	tristate
 
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 6610ee001d9a..e8f163371071 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -74,6 +74,7 @@ obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
 obj-$(CONFIG_REGULATOR_MAX77686) += max77686-regulator.o
 obj-$(CONFIG_REGULATOR_MAX77693) += max77693-regulator.o
 obj-$(CONFIG_REGULATOR_MAX77802) += max77802-regulator.o
+obj-$(CONFIG_REGULATOR_MAX77826) += max77826-regulator.o
 obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
 obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
 obj-$(CONFIG_REGULATOR_MC13XXX_CORE) +=  mc13xxx-regulator-core.o
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index f60e1b26c2d2..716ca5bb178e 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -139,17 +139,6 @@ static const unsigned int ldo_vintcore_voltages[] = {
 	1350000,
 };
 
-static const unsigned int ldo_sdio_voltages[] = {
-	1160000,
-	1050000,
-	1100000,
-	1500000,
-	1800000,
-	2200000,
-	2910000,
-	3050000,
-};
-
 static const unsigned int fixed_1200000_voltage[] = {
 	1200000,
 };
@@ -166,10 +155,6 @@ static const unsigned int fixed_2050000_voltage[] = {
 	2050000,
 };
 
-static const unsigned int fixed_3300000_voltage[] = {
-	3300000,
-};
-
 static const unsigned int ldo_vana_voltages[] = {
 	1050000,
 	1075000,
@@ -192,13 +177,6 @@ static const unsigned int ldo_vaudio_voltages[] = {
 	2600000,	/* Duplicated in Vaudio and IsoUicc Control register. */
 };
 
-static const unsigned int ldo_vdmic_voltages[] = {
-	1800000,
-	1900000,
-	2000000,
-	2850000,
-};
-
 static DEFINE_MUTEX(shared_mode_mutex);
 static struct ab8500_shared_mode ldo_anamic1_shared;
 static struct ab8500_shared_mode ldo_anamic2_shared;
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 0fa97f934df4..19b9742c9ecc 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -220,13 +220,13 @@ static const struct regmap_config act8865_regmap_config = {
 	.val_bits = 8,
 };
 
-static const struct regulator_linear_range act8865_voltage_ranges[] = {
+static const struct linear_range act8865_voltage_ranges[] = {
 	REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000),
 	REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000),
 	REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000),
 };
 
-static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = {
+static const struct linear_range act8600_sudcdc_voltage_ranges[] = {
 	REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0),
 	REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000),
 	REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000),
diff --git a/drivers/regulator/act8945a-regulator.c b/drivers/regulator/act8945a-regulator.c
index d2f804dbc785..6a62f946ccae 100644
--- a/drivers/regulator/act8945a-regulator.c
+++ b/drivers/regulator/act8945a-regulator.c
@@ -73,7 +73,7 @@ struct act8945a_pmic {
 	u32 op_mode[ACT8945A_ID_MAX];
 };
 
-static const struct regulator_linear_range act8945a_voltage_ranges[] = {
+static const struct linear_range act8945a_voltage_ranges[] = {
 	REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000),
 	REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000),
 	REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000),
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index 1a3d7b720f5e..ade0bef4569d 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -87,7 +87,7 @@ static const struct regulator_ops arizona_ldo1_hc_ops = {
 	.set_bypass = regulator_set_bypass_regmap,
 };
 
-static const struct regulator_linear_range arizona_ldo1_hc_ranges[] = {
+static const struct linear_range arizona_ldo1_hc_ranges[] = {
 	REGULATOR_LINEAR_RANGE(900000, 0, 0x6, 50000),
 	REGULATOR_LINEAR_RANGE(1800000, 0x7, 0x7, 0),
 };
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index ae1a5de3e57d..f6cfd3f6f0dd 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -125,7 +125,7 @@ static const struct regulator_ops arizona_micsupp_ops = {
 	.set_bypass = arizona_micsupp_set_bypass,
 };
 
-static const struct regulator_linear_range arizona_micsupp_ranges[] = {
+static const struct linear_range arizona_micsupp_ranges[] = {
 	REGULATOR_LINEAR_RANGE(1700000, 0,    0x1e, 50000),
 	REGULATOR_LINEAR_RANGE(3300000, 0x1f, 0x1f, 0),
 };
@@ -152,7 +152,7 @@ static const struct regulator_desc arizona_micsupp = {
 	.owner = THIS_MODULE,
 };
 
-static const struct regulator_linear_range arizona_micsupp_ext_ranges[] = {
+static const struct linear_range arizona_micsupp_ext_ranges[] = {
 	REGULATOR_LINEAR_RANGE(900000,  0,    0x14, 25000),
 	REGULATOR_LINEAR_RANGE(1500000, 0x15, 0x27, 100000),
 };
diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c
index ece88103f2fd..b6b9206969ae 100644
--- a/drivers/regulator/as3711-regulator.c
+++ b/drivers/regulator/as3711-regulator.c
@@ -103,18 +103,18 @@ static const struct regulator_ops as3711_dldo_ops = {
 	.map_voltage		= regulator_map_voltage_linear_range,
 };
 
-static const struct regulator_linear_range as3711_sd_ranges[] = {
+static const struct linear_range as3711_sd_ranges[] = {
 	REGULATOR_LINEAR_RANGE(612500, 0x1, 0x40, 12500),
 	REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000),
 	REGULATOR_LINEAR_RANGE(2650000, 0x71, 0x7f, 50000),
 };
 
-static const struct regulator_linear_range as3711_aldo_ranges[] = {
+static const struct linear_range as3711_aldo_ranges[] = {
 	REGULATOR_LINEAR_RANGE(1200000, 0, 0xf, 50000),
 	REGULATOR_LINEAR_RANGE(1800000, 0x10, 0x1f, 100000),
 };
 
-static const struct regulator_linear_range as3711_dldo_ranges[] = {
+static const struct linear_range as3711_dldo_ranges[] = {
 	REGULATOR_LINEAR_RANGE(900000, 0, 0x10, 50000),
 	REGULATOR_LINEAR_RANGE(1750000, 0x20, 0x3f, 50000),
 };
diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c
index bd5d0bacb08d..33ca197860b3 100644
--- a/drivers/regulator/as3722-regulator.c
+++ b/drivers/regulator/as3722-regulator.c
@@ -389,7 +389,7 @@ static const struct regulator_ops as3722_ldo6_extcntrl_ops = {
 	.set_bypass = regulator_set_bypass_regmap,
 };
 
-static const struct regulator_linear_range as3722_ldo_ranges[] = {
+static const struct linear_range as3722_ldo_ranges[] = {
 	REGULATOR_LINEAR_RANGE(0, 0x00, 0x00, 0),
 	REGULATOR_LINEAR_RANGE(825000, 0x01, 0x24, 25000),
 	REGULATOR_LINEAR_RANGE(1725000, 0x40, 0x7F, 25000),
@@ -487,7 +487,7 @@ static bool as3722_sd0_is_low_voltage(struct as3722_regulators *as3722_regs)
 	return false;
 }
 
-static const struct regulator_linear_range as3722_sd2345_ranges[] = {
+static const struct linear_range as3722_sd2345_ranges[] = {
 	REGULATOR_LINEAR_RANGE(0, 0x00, 0x00, 0),
 	REGULATOR_LINEAR_RANGE(612500, 0x01, 0x40, 12500),
 	REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000),
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 1e6eb5b1f8d8..fbc95cadaf53 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -510,7 +510,7 @@ static const struct regulator_ops axp20x_ops_sw = {
 	.is_enabled		= regulator_is_enabled_regmap,
 };
 
-static const struct regulator_linear_range axp20x_ldo4_ranges[] = {
+static const struct linear_range axp20x_ldo4_ranges[] = {
 	REGULATOR_LINEAR_RANGE(1250000,
 			       AXP20X_LDO4_V_OUT_1250mV_START,
 			       AXP20X_LDO4_V_OUT_1250mV_END,
@@ -638,7 +638,7 @@ static const struct regulator_desc axp22x_drivevbus_regulator = {
 };
 
 /* DCDC ranges shared with AXP813 */
-static const struct regulator_linear_range axp803_dcdc234_ranges[] = {
+static const struct linear_range axp803_dcdc234_ranges[] = {
 	REGULATOR_LINEAR_RANGE(500000,
 			       AXP803_DCDC234_500mV_START,
 			       AXP803_DCDC234_500mV_END,
@@ -649,7 +649,7 @@ static const struct regulator_linear_range axp803_dcdc234_ranges[] = {
 			       20000),
 };
 
-static const struct regulator_linear_range axp803_dcdc5_ranges[] = {
+static const struct linear_range axp803_dcdc5_ranges[] = {
 	REGULATOR_LINEAR_RANGE(800000,
 			       AXP803_DCDC5_800mV_START,
 			       AXP803_DCDC5_800mV_END,
@@ -660,7 +660,7 @@ static const struct regulator_linear_range axp803_dcdc5_ranges[] = {
 			       20000),
 };
 
-static const struct regulator_linear_range axp803_dcdc6_ranges[] = {
+static const struct linear_range axp803_dcdc6_ranges[] = {
 	REGULATOR_LINEAR_RANGE(600000,
 			       AXP803_DCDC6_600mV_START,
 			       AXP803_DCDC6_600mV_END,
@@ -672,7 +672,7 @@ static const struct regulator_linear_range axp803_dcdc6_ranges[] = {
 };
 
 /* AXP806's CLDO2 and AXP809's DLDO1 share the same range */
-static const struct regulator_linear_range axp803_dldo2_ranges[] = {
+static const struct linear_range axp803_dldo2_ranges[] = {
 	REGULATOR_LINEAR_RANGE(700000,
 			       AXP803_DLDO2_700mV_START,
 			       AXP803_DLDO2_700mV_END,
@@ -758,7 +758,7 @@ static const struct regulator_desc axp803_regulators[] = {
 	AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000),
 };
 
-static const struct regulator_linear_range axp806_dcdca_ranges[] = {
+static const struct linear_range axp806_dcdca_ranges[] = {
 	REGULATOR_LINEAR_RANGE(600000,
 			       AXP806_DCDCA_600mV_START,
 			       AXP806_DCDCA_600mV_END,
@@ -769,7 +769,7 @@ static const struct regulator_linear_range axp806_dcdca_ranges[] = {
 			       20000),
 };
 
-static const struct regulator_linear_range axp806_dcdcd_ranges[] = {
+static const struct linear_range axp806_dcdcd_ranges[] = {
 	REGULATOR_LINEAR_RANGE(600000,
 			       AXP806_DCDCD_600mV_START,
 			       AXP806_DCDCD_600mV_END,
@@ -834,7 +834,7 @@ static const struct regulator_desc axp806_regulators[] = {
 		    AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_SW_MASK),
 };
 
-static const struct regulator_linear_range axp809_dcdc4_ranges[] = {
+static const struct linear_range axp809_dcdc4_ranges[] = {
 	REGULATOR_LINEAR_RANGE(600000,
 			       AXP809_DCDC4_600mV_START,
 			       AXP809_DCDC4_600mV_END,
diff --git a/drivers/regulator/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c
index 8c98c3f07660..65e23fc5f9c3 100644
--- a/drivers/regulator/bcm590xx-regulator.c
+++ b/drivers/regulator/bcm590xx-regulator.c
@@ -116,14 +116,14 @@ static const unsigned int ldo_vbus[] = {
 };
 
 /* DCDC group CSR: supported voltages in microvolts */
-static const struct regulator_linear_range dcdc_csr_ranges[] = {
+static const struct linear_range dcdc_csr_ranges[] = {
 	REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000),
 	REGULATOR_LINEAR_RANGE(1360000, 51, 55, 20000),
 	REGULATOR_LINEAR_RANGE(900000, 56, 63, 0),
 };
 
 /* DCDC group IOSR1: supported voltages in microvolts */
-static const struct regulator_linear_range dcdc_iosr1_ranges[] = {
+static const struct linear_range dcdc_iosr1_ranges[] = {
 	REGULATOR_LINEAR_RANGE(860000, 2, 51, 10000),
 	REGULATOR_LINEAR_RANGE(1500000, 52, 52, 0),
 	REGULATOR_LINEAR_RANGE(1800000, 53, 53, 0),
@@ -131,7 +131,7 @@ static const struct regulator_linear_range dcdc_iosr1_ranges[] = {
 };
 
 /* DCDC group SDSR1: supported voltages in microvolts */
-static const struct regulator_linear_range dcdc_sdsr1_ranges[] = {
+static const struct linear_range dcdc_sdsr1_ranges[] = {
 	REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000),
 	REGULATOR_LINEAR_RANGE(1340000, 51, 51, 0),
 	REGULATOR_LINEAR_RANGE(900000, 52, 63, 0),
@@ -143,7 +143,7 @@ struct bcm590xx_info {
 	u8 n_voltages;
 	const unsigned int *volt_table;
 	u8 n_linear_ranges;
-	const struct regulator_linear_range *linear_ranges;
+	const struct linear_range *linear_ranges;
 };
 
 #define BCM590XX_REG_TABLE(_name, _table) \
diff --git a/drivers/regulator/bd70528-regulator.c b/drivers/regulator/bd70528-regulator.c
index 5bf8a2dc5fe7..d44adf7e875a 100644
--- a/drivers/regulator/bd70528-regulator.c
+++ b/drivers/regulator/bd70528-regulator.c
@@ -20,22 +20,22 @@
 #define BUCK_RAMPRATE_125MV 1
 #define BUCK_RAMP_MAX 250
 
-static const struct regulator_linear_range bd70528_buck1_volts[] = {
+static const struct linear_range bd70528_buck1_volts[] = {
 	REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x1, 600000),
 	REGULATOR_LINEAR_RANGE(2750000, 0x2, 0xf, 50000),
 };
-static const struct regulator_linear_range bd70528_buck2_volts[] = {
+static const struct linear_range bd70528_buck2_volts[] = {
 	REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x1, 300000),
 	REGULATOR_LINEAR_RANGE(1550000, 0x2, 0xd, 50000),
 	REGULATOR_LINEAR_RANGE(3000000, 0xe, 0xf, 300000),
 };
-static const struct regulator_linear_range bd70528_buck3_volts[] = {
+static const struct linear_range bd70528_buck3_volts[] = {
 	REGULATOR_LINEAR_RANGE(800000, 0x00, 0xd, 50000),
 	REGULATOR_LINEAR_RANGE(1800000, 0xe, 0xf, 0),
 };
 
 /* All LDOs have same voltage ranges */
-static const struct regulator_linear_range bd70528_ldo_volts[] = {
+static const struct linear_range bd70528_ldo_volts[] = {
 	REGULATOR_LINEAR_RANGE(1650000, 0x0, 0x07, 50000),
 	REGULATOR_LINEAR_RANGE(2100000, 0x8, 0x0f, 100000),
 	REGULATOR_LINEAR_RANGE(2850000, 0x10, 0x19, 50000),
diff --git a/drivers/regulator/bd71828-regulator.c b/drivers/regulator/bd71828-regulator.c
index b2fa17be4988..85c0b9000963 100644
--- a/drivers/regulator/bd71828-regulator.c
+++ b/drivers/regulator/bd71828-regulator.c
@@ -65,27 +65,27 @@ static const struct reg_init buck7_inits[] = {
 	},
 };
 
-static const struct regulator_linear_range bd71828_buck1267_volts[] = {
+static const struct linear_range bd71828_buck1267_volts[] = {
 	REGULATOR_LINEAR_RANGE(500000, 0x00, 0xef, 6250),
 	REGULATOR_LINEAR_RANGE(2000000, 0xf0, 0xff, 0),
 };
 
-static const struct regulator_linear_range bd71828_buck3_volts[] = {
+static const struct linear_range bd71828_buck3_volts[] = {
 	REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x0f, 50000),
 	REGULATOR_LINEAR_RANGE(2000000, 0x10, 0x1f, 0),
 };
 
-static const struct regulator_linear_range bd71828_buck4_volts[] = {
+static const struct linear_range bd71828_buck4_volts[] = {
 	REGULATOR_LINEAR_RANGE(1000000, 0x00, 0x1f, 25000),
 	REGULATOR_LINEAR_RANGE(1800000, 0x20, 0x3f, 0),
 };
 
-static const struct regulator_linear_range bd71828_buck5_volts[] = {
+static const struct linear_range bd71828_buck5_volts[] = {
 	REGULATOR_LINEAR_RANGE(2500000, 0x00, 0x0f, 50000),
 	REGULATOR_LINEAR_RANGE(3300000, 0x10, 0x1f, 0),
 };
 
-static const struct regulator_linear_range bd71828_ldo_volts[] = {
+static const struct linear_range bd71828_ldo_volts[] = {
 	REGULATOR_LINEAR_RANGE(800000, 0x00, 0x31, 50000),
 	REGULATOR_LINEAR_RANGE(3300000, 0x32, 0x3f, 0),
 };
diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c
index cf3872837abc..7b311389f925 100644
--- a/drivers/regulator/bd718x7-regulator.c
+++ b/drivers/regulator/bd718x7-regulator.c
@@ -55,12 +55,20 @@ static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev,
 				  BUCK_RAMPRATE_MASK, ramp_value << 6);
 }
 
-/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
+/*
+ * 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 bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
+static int bd71837_set_voltage_sel_restricted(struct regulator_dev *rdev,
 						    unsigned int sel)
 {
 	if (regulator_is_enabled_regmap(rdev))
@@ -69,9 +77,124 @@ static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
 	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 (regulator_is_enabled_regmap(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 spe