The driver provides regulator set/get voltage enable/disable functions for TI TPS5911 PMIC.
Signed-off-by: Svyatoslav Ryhel clamor95@gmail.com --- drivers/power/regulator/Kconfig | 8 + drivers/power/regulator/Makefile | 1 + drivers/power/regulator/tps65911_regulator.c | 377 +++++++++++++++++++ 3 files changed, 386 insertions(+) create mode 100644 drivers/power/regulator/tps65911_regulator.c
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index f297e408cd..3398f0fbee 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -345,6 +345,14 @@ config DM_REGULATOR_TPS65910 regulator types of the TPS65910 (BUCK, BOOST and LDO). It implements the get/set api for value and enable.
+config DM_REGULATOR_TPS65911 + bool "Enable driver for TPS65911 PMIC regulators" + depends on DM_PMIC_TPS65910 + ---help--- + The TPS65911 PMIC provides 4 SMPSs and 8 LDOs. This driver supports all + regulator types of the TPS65911. It implements the get/set api for value + and enable. + config DM_REGULATOR_TPS62360 bool "Enable driver for TPS6236x Power Regulator" depends on DM_REGULATOR diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile index 3ef55dc534..c2ab1b7721 100644 --- a/drivers/power/regulator/Makefile +++ b/drivers/power/regulator/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_$(SPL_)DM_REGULATOR_LP873X) += lp873x_regulator.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_LP87565) += lp87565_regulator.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_STM32_VREFBUF) += stm32-vrefbuf.o obj-$(CONFIG_DM_REGULATOR_TPS65910) += tps65910_regulator.o +obj-$(CONFIG_DM_REGULATOR_TPS65911) += tps65911_regulator.o obj-$(CONFIG_DM_REGULATOR_TPS62360) += tps62360_regulator.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_TPS80031) += tps80031_regulator.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_STPMIC1) += stpmic1.o diff --git a/drivers/power/regulator/tps65911_regulator.c b/drivers/power/regulator/tps65911_regulator.c new file mode 100644 index 0000000000..f1b3a8295e --- /dev/null +++ b/drivers/power/regulator/tps65911_regulator.c @@ -0,0 +1,377 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2023 Svyatoslav Ryhel clamor95@gmail.com + */ + +#include <common.h> +#include <dm.h> +#include <log.h> +#include <power/pmic.h> +#include <power/regulator.h> +#include <power/tps65910_pmic.h> + +/* fist row is control registers, second is voltage registers */ +static const char tps65911_vdd_reg[][TPS65911_VDD_NUM] = { + { TPS65911_REG_VDD1, TPS65911_REG_VDD2, + TPS65911_REG_VDDCTRL, TPS65911_REG_VIO }, + { TPS65911_REG_VDD1_OP, TPS65911_REG_VDD2_OP, + TPS65911_REG_VDDCTRL_OP, 0x00 }, +}; + +static const u32 tps65911_vio_range[] = { + 1500000, 1800000, 2500000, 3300000 +}; + +static const char tps65911_ldo_reg[TPS65911_LDO_NUM] = { + TPS65911_REG_LDO1, TPS65911_REG_LDO2, TPS65911_REG_LDO3, + TPS65911_REG_LDO4, TPS65911_REG_LDO5, TPS65911_REG_LDO6, + TPS65911_REG_LDO7, TPS65911_REG_LDO8 +}; + +static int tps65911_regulator_enable(struct udevice *dev, int op, bool *enable) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + u32 adr = uc_pdata->ctrl_reg; + int ret; + + ret = pmic_reg_read(dev->parent, adr); + if (ret < 0) + return ret; + + if (op == PMIC_OP_GET) { + if (ret & TPS65910_SUPPLY_STATE_ON) + *enable = true; + else + *enable = false; + + return 0; + } else if (op == PMIC_OP_SET) { + ret &= ~(TPS65910_SUPPLY_STATE_MASK); + + if (*enable) + ret |= TPS65910_SUPPLY_STATE_ON; + + ret = pmic_reg_write(dev->parent, adr, ret); + if (ret) + return ret; + } + + return 0; +} + +static int tps65911_get_enable(struct udevice *dev) +{ + bool enable = false; + int ret; + + ret = tps65911_regulator_enable(dev, PMIC_OP_GET, &enable); + if (ret) + return ret; + + return enable; +} + +static int tps65911_set_enable(struct udevice *dev, bool enable) +{ + return tps65911_regulator_enable(dev, PMIC_OP_SET, &enable); +} + +static int tps65911_vdd_volt2hex(int uV) +{ + if (uV > TPS65911_VDD_VOLT_MAX) + return -EINVAL; + + if (uV < TPS65911_VDD_VOLT_MIN) + uV = TPS65911_VDD_VOLT_MIN; + + return (uV - TPS65911_VDD_VOLT_BASE) / 12500; +} + +static int tps65911_vdd_hex2volt(int hex) +{ + if (hex > TPS65910_VDD_SEL_MAX) + return -EINVAL; + + if (hex < TPS65910_VDD_SEL_MIN) + hex = TPS65910_VDD_SEL_MIN; + + return TPS65911_VDD_VOLT_BASE + hex * 12500; +} + +static int tps65911_vio_val(struct udevice *dev, int op, int *uV) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + u32 adr = uc_pdata->volt_reg; + int ret; + + ret = pmic_reg_read(dev->parent, adr); + if (ret < 0) + return ret; + + if (op == PMIC_OP_GET) { + *uV = 0; + + ret &= TPS65910_SEL_MASK; + + *uV = tps65911_vio_range[ret >> 2]; + + return 0; + } + + ret &= ~TPS65910_SEL_MASK; + + /* vio has only 4 voltages available */ + switch (*uV) { + case 1500000: + ret |= 0x00 << 2; + break; + case 1800000: + ret |= 0x01 << 2; + break; + case 2500000: + ret |= 0x02 << 2; + break; + case 3300000: + ret |= 0x03 << 2; + break; + default: + return -EINVAL; + }; + + return pmic_reg_write(dev->parent, adr, ret); +} + +static int tps65911_vdd_val(struct udevice *dev, int op, int *uV) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + u32 adr = uc_pdata->volt_reg; + int ret; + + /* in case vdd is vio */ + if (!adr) + return tps65911_vio_val(dev, op, uV); + + ret = pmic_reg_read(dev->parent, adr); + if (ret < 0) + return ret; + + if (op == PMIC_OP_GET) { + *uV = 0; + + ret = tps65911_vdd_hex2volt(ret); + if (ret < 0) + return ret; + + *uV = ret; + return 0; + } + + ret = tps65911_vdd_volt2hex(*uV); + if (ret < 0) + return ret; + + return pmic_reg_write(dev->parent, adr, ret); +} + +static int tps65911_vdd_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + + uc_pdata->type = REGULATOR_TYPE_BUCK; + + /* check for vddctrl and vddio cases */ + if (!strcmp("vddctrl", dev->name)) { + uc_pdata->ctrl_reg = tps65911_vdd_reg[0][2]; + uc_pdata->volt_reg = tps65911_vdd_reg[1][2]; + return 0; + } + + if (!strcmp("vddio", dev->name)) { + uc_pdata->ctrl_reg = tps65911_vdd_reg[0][3]; + uc_pdata->volt_reg = tps65911_vdd_reg[1][3]; + return 0; + } + + if (dev->driver_data > 0) { + u8 idx = dev->driver_data - 1; + + uc_pdata->ctrl_reg = tps65911_vdd_reg[0][idx]; + uc_pdata->volt_reg = tps65911_vdd_reg[1][idx]; + } + + return 0; +} + +static int vdd_get_value(struct udevice *dev) +{ + int uV; + int ret; + + ret = tps65911_vdd_val(dev, PMIC_OP_GET, &uV); + if (ret) + return ret; + + return uV; +} + +static int vdd_set_value(struct udevice *dev, int uV) +{ + return tps65911_vdd_val(dev, PMIC_OP_SET, &uV); +} + +static const struct dm_regulator_ops tps65911_vdd_ops = { + .get_value = vdd_get_value, + .set_value = vdd_set_value, + .get_enable = tps65911_get_enable, + .set_enable = tps65911_set_enable, +}; + +U_BOOT_DRIVER(tps65911_vdd) = { + .name = TPS65911_VDD_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &tps65911_vdd_ops, + .probe = tps65911_vdd_probe, +}; + +static int tps65911_ldo_volt2hex(int id, int uV) +{ + int step; + + if (uV > TPS65911_LDO_VOLT_MAX) + return -EINVAL; + + if (uV < TPS65911_LDO_VOLT_BASE) + uV = TPS65911_LDO_VOLT_BASE; + + switch (id) { + case 1: + case 2: + case 4: + step = TPS65911_LDO124_VOLT_STEP; + break; + case 3: + case 5: + case 6: + case 7: + case 8: + step = TPS65911_LDO358_VOLT_STEP; + break; + default: + return -EINVAL; + }; + + return ((uV - TPS65911_LDO_VOLT_BASE) / step) << 2; +} + +static int tps65911_ldo_hex2volt(int id, int hex) +{ + int step; + + switch (id) { + case 1: + case 2: + case 4: + if (hex > TPS65911_LDO124_VOLT_MAX_HEX) + return -EINVAL; + + step = TPS65911_LDO124_VOLT_STEP; + break; + case 3: + case 5: + case 6: + case 7: + case 8: + if (hex > TPS65911_LDO358_VOLT_MAX_HEX) + return -EINVAL; + + if (hex < TPS65911_LDO358_VOLT_MIN_HEX) + hex = TPS65911_LDO358_VOLT_MIN_HEX; + + step = TPS65911_LDO358_VOLT_STEP; + break; + default: + return -EINVAL; + }; + + return TPS65911_LDO_VOLT_BASE + hex * step; +} + +static int tps65911_ldo_val(struct udevice *dev, int op, int *uV) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + u32 adr = uc_pdata->ctrl_reg; + int id = dev->driver_data; + int hex, ret; + + ret = pmic_reg_read(dev->parent, adr); + if (ret < 0) + return ret; + + if (op == PMIC_OP_GET) { + *uV = 0; + ret &= TPS65911_LDO_SEL_MASK; + + ret = tps65911_ldo_hex2volt(id, ret >> 2); + if (ret < 0) + return ret; + + *uV = ret; + return 0; + } + + hex = tps65911_ldo_volt2hex(id, *uV); + if (hex < 0) + return hex; + + ret &= ~(TPS65911_LDO_SEL_MASK); + + return pmic_reg_write(dev->parent, adr, ret | hex); +} + +static int tps65911_ldo_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + u8 idx = dev->driver_data - 1; + + uc_pdata->type = REGULATOR_TYPE_LDO; + uc_pdata->ctrl_reg = tps65911_ldo_reg[idx]; + + return 0; +} + +static int ldo_get_value(struct udevice *dev) +{ + int uV; + int ret; + + ret = tps65911_ldo_val(dev, PMIC_OP_GET, &uV); + if (ret) + return ret; + + return uV; +} + +static int ldo_set_value(struct udevice *dev, int uV) +{ + return tps65911_ldo_val(dev, PMIC_OP_SET, &uV); +} + +static const struct dm_regulator_ops tps65911_ldo_ops = { + .get_value = ldo_get_value, + .set_value = ldo_set_value, + .get_enable = tps65911_get_enable, + .set_enable = tps65911_set_enable, +}; + +U_BOOT_DRIVER(tps65911_ldo) = { + .name = TPS65911_LDO_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &tps65911_ldo_ops, + .probe = tps65911_ldo_probe, +};