From: Matti Vaittinen Date: Fri, 14 Sep 2018 08:34:02 +0000 (+0300) Subject: regulator: bd718xx: rename bd71837 to 718xx X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2ece646c90c5;p=linux.git regulator: bd718xx: rename bd71837 to 718xx rename bd71837-regulator.c to bd718x7-regulator.c to reflect the fact that also BD71847 is now supported by the driver. Signed-off-by: Matti Vaittinen Signed-off-by: Mark Brown --- diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 329cdd33ed624..6e96ef1bd74a0 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -189,7 +189,7 @@ config REGULATOR_BD718XX 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" diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 801d9a34a2037..eac4d794f3b8e 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -27,7 +27,7 @@ obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o obj-$(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 diff --git a/drivers/regulator/bd71837-regulator.c b/drivers/regulator/bd71837-regulator.c deleted file mode 100644 index d2522d4e1505f..0000000000000 --- a/drivers/regulator/bd71837-regulator.c +++ /dev/null @@ -1,1138 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// Copyright (C) 2018 ROHM Semiconductors -// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -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 "); -MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c new file mode 100644 index 0000000000000..d2522d4e1505f --- /dev/null +++ b/drivers/regulator/bd718x7-regulator.c @@ -0,0 +1,1138 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018 ROHM Semiconductors +// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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 "); +MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver"); +MODULE_LICENSE("GPL");