diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/regulator/Kconfig | 11 | ||||
-rw-r--r-- | drivers/regulator/Makefile | 1 | ||||
-rw-r--r-- | drivers/regulator/anatop-regulator.c | 10 | ||||
-rw-r--r-- | drivers/regulator/axp20x-regulator.c | 6 | ||||
-rw-r--r-- | drivers/regulator/da9062-regulator.c | 2 | ||||
-rw-r--r-- | drivers/regulator/da9063-regulator.c | 66 | ||||
-rw-r--r-- | drivers/regulator/mp5416.c | 245 | ||||
-rw-r--r-- | drivers/regulator/mp8859.c | 1 | ||||
-rw-r--r-- | drivers/regulator/pwm-regulator.c | 6 | ||||
-rw-r--r-- | drivers/regulator/qcom_rpm-regulator.c | 9 | ||||
-rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 7 |
11 files changed, 321 insertions, 43 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 074a2ef55943..64a39f34ef37 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -107,6 +107,7 @@ config REGULATOR_AD5398 config REGULATOR_ANATOP tristate "Freescale i.MX on-chip ANATOP LDO regulators" + depends on ARCH_MXC || COMPILE_TEST depends on MFD_SYSCON help Say y here to support Freescale i.MX on-chip ANATOP LDOs @@ -613,6 +614,16 @@ config REGULATOR_MCP16502 through the regulator interface. In addition it enables suspend-to-ram/standby transition. +config REGULATOR_MP5416 + tristate "Monolithic MP5416 PMIC" + depends on I2C && OF + select REGMAP_I2C + help + Say y here to support the MP5416 PMIC. This will enable supports + the software controllable 4 buck and 4 LDO regulators. + Say M here if you want to include support for the regulator as a + module. + config REGULATOR_MP8859 tristate "MPS MP8859 regulator driver" depends on I2C diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index c0d6b96ebd78..bc69d6481646 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o obj-$(CONFIG_REGULATOR_MCP16502) += mcp16502.o +obj-$(CONFIG_REGULATOR_MP5416) += mp5416.o obj-$(CONFIG_REGULATOR_MP8859) += mp8859.o obj-$(CONFIG_REGULATOR_MPQ7920) += mpq7920.o obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 754739d004e5..ca92b3de0e9c 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -305,9 +305,13 @@ static int anatop_regulator_probe(struct platform_device *pdev) /* register regulator */ rdev = devm_regulator_register(dev, rdesc, &config); if (IS_ERR(rdev)) { - dev_err(dev, "failed to register %s\n", - rdesc->name); - return PTR_ERR(rdev); + ret = PTR_ERR(rdev); + if (ret == -EPROBE_DEFER) + dev_dbg(dev, "failed to register %s, deferring...\n", + rdesc->name); + else + dev_err(dev, "failed to register %s\n", rdesc->name); + return ret; } platform_set_drvdata(pdev, rdev); diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 16f0c8570036..1e6eb5b1f8d8 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -381,8 +381,7 @@ static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp) mask = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK | AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK; enable = (ramp > 0) ? - AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN : - !AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN; + AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN : 0; break; } @@ -393,8 +392,7 @@ static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp) mask = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK | AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK; enable = (ramp > 0) ? - AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN : - !AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN; + AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN : 0; break; } diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c index d3ce0278bfbe..d8112f56e94e 100644 --- a/drivers/regulator/da9062-regulator.c +++ b/drivers/regulator/da9062-regulator.c @@ -73,7 +73,7 @@ struct da9062_regulators { int irq_ldo_lim; unsigned n_regulators; /* Array size to be defined during init. Keep at end. */ - struct da9062_regulator regulator[0]; + struct da9062_regulator regulator[]; }; /* Regulator operations */ diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index 2aceb3b7afc2..44727704d3c5 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -66,7 +66,7 @@ struct da9063_regulator_data { }; struct da9063_regulators_pdata { - unsigned n_regulators; + unsigned int n_regulators; struct da9063_regulator_data *regulator_data; }; @@ -131,7 +131,7 @@ struct da9063_regulator_info { /* Defines asignment of regulators info table to chip model */ struct da9063_dev_model { const struct da9063_regulator_info *regulator_info; - unsigned n_regulators; + unsigned int n_regulators; enum da9063_type type; }; @@ -150,9 +150,9 @@ struct da9063_regulator { /* Encapsulates all information for the regulators driver */ struct da9063_regulators { - unsigned n_regulators; + unsigned int n_regulators; /* Array size to be defined during init. Keep at end. */ - struct da9063_regulator regulator[0]; + struct da9063_regulator regulator[]; }; /* BUCK modes for DA9063 */ @@ -165,38 +165,46 @@ enum { /* Regulator operations */ -/* Current limits array (in uA) for BCORE1, BCORE2, BPRO. - Entry indexes corresponds to register values. */ +/* + * Current limits array (in uA) for BCORE1, BCORE2, BPRO. + * Entry indexes corresponds to register values. + */ static const unsigned int da9063_buck_a_limits[] = { 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000, 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000 }; -/* Current limits array (in uA) for BMEM, BIO, BPERI. - Entry indexes corresponds to register values. */ +/* + * Current limits array (in uA) for BMEM, BIO, BPERI. + * Entry indexes corresponds to register values. + */ static const unsigned int da9063_buck_b_limits[] = { 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000, 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000 }; -/* Current limits array (in uA) for merged BCORE1 and BCORE2. - Entry indexes corresponds to register values. */ +/* + * Current limits array (in uA) for merged BCORE1 and BCORE2. + * Entry indexes corresponds to register values. + */ static const unsigned int da9063_bcores_merged_limits[] = { 1000000, 1200000, 1400000, 1600000, 1800000, 2000000, 2200000, 2400000, 2600000, 2800000, 3000000, 3200000, 3400000, 3600000, 3800000, 4000000 }; -/* Current limits array (in uA) for merged BMEM and BIO. - Entry indexes corresponds to register values. */ +/* + * Current limits array (in uA) for merged BMEM and BIO. + * Entry indexes corresponds to register values. + */ static const unsigned int da9063_bmem_bio_merged_limits[] = { 3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, 4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000 }; -static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned mode) +static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned int mode) { struct da9063_regulator *regl = rdev_get_drvdata(rdev); - unsigned val; + unsigned int val; switch (mode) { case REGULATOR_MODE_FAST: @@ -221,7 +229,7 @@ static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned mode) * There are 3 modes to map to: FAST, NORMAL, and STANDBY. */ -static unsigned da9063_buck_get_mode(struct regulator_dev *rdev) +static unsigned int da9063_buck_get_mode(struct regulator_dev *rdev) { struct da9063_regulator *regl = rdev_get_drvdata(rdev); struct regmap_field *field; @@ -271,10 +279,10 @@ static unsigned da9063_buck_get_mode(struct regulator_dev *rdev) * There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state. */ -static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned mode) +static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode) { struct da9063_regulator *regl = rdev_get_drvdata(rdev); - unsigned val; + unsigned int val; switch (mode) { case REGULATOR_MODE_NORMAL: @@ -290,7 +298,7 @@ static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned mode) return regmap_field_write(regl->sleep, val); } -static unsigned da9063_ldo_get_mode(struct regulator_dev *rdev) +static unsigned int da9063_ldo_get_mode(struct regulator_dev *rdev) { struct da9063_regulator *regl = rdev_get_drvdata(rdev); struct regmap_field *field; @@ -383,7 +391,8 @@ static int da9063_suspend_disable(struct regulator_dev *rdev) return regmap_field_write(regl->suspend, 0); } -static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev, unsigned mode) +static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev, + unsigned int mode) { struct da9063_regulator *regl = rdev_get_drvdata(rdev); int val; @@ -405,10 +414,11 @@ static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev, unsigned mod return regmap_field_write(regl->mode, val); } -static int da9063_ldo_set_suspend_mode(struct regulator_dev *rdev, unsigned mode) +static int da9063_ldo_set_suspend_mode(struct regulator_dev *rdev, + unsigned int mode) { struct da9063_regulator *regl = rdev_get_drvdata(rdev); - unsigned val; + unsigned int val; switch (mode) { case REGULATOR_MODE_NORMAL: @@ -593,7 +603,7 @@ static irqreturn_t da9063_ldo_lim_event(int irq, void *data) struct da9063_regulators *regulators = data; struct da9063 *hw = regulators->regulator[0].hw; struct da9063_regulator *regl; - int bits, i , ret; + int bits, i, ret; ret = regmap_read(hw->regmap, DA9063_REG_STATUS_D, &bits); if (ret < 0) @@ -605,10 +615,10 @@ static irqreturn_t da9063_ldo_lim_event(int irq, void *data) continue; if (BIT(regl->info->oc_event.lsb) & bits) { - regulator_lock(regl->rdev); + regulator_lock(regl->rdev); regulator_notifier_call_chain(regl->rdev, REGULATOR_EVENT_OVER_CURRENT, NULL); - regulator_unlock(regl->rdev); + regulator_unlock(regl->rdev); } } @@ -833,7 +843,7 @@ static int da9063_regulator_probe(struct platform_device *pdev) if (regl->info->suspend_sleep.reg) { regl->suspend_sleep = devm_regmap_field_alloc(&pdev->dev, - da9063->regmap, regl->info->suspend_sleep); + da9063->regmap, regl->info->suspend_sleep); if (IS_ERR(regl->suspend_sleep)) return PTR_ERR(regl->suspend_sleep); } @@ -867,12 +877,10 @@ static int da9063_regulator_probe(struct platform_device *pdev) NULL, da9063_ldo_lim_event, IRQF_TRIGGER_LOW | IRQF_ONESHOT, "LDO_LIM", regulators); - if (ret) { + if (ret) dev_err(&pdev->dev, "Failed to request LDO_LIM IRQ.\n"); - return ret; - } - return 0; + return ret; } static struct platform_driver da9063_regulator_driver = { diff --git a/drivers/regulator/mp5416.c b/drivers/regulator/mp5416.c new file mode 100644 index 000000000000..67ce1b52a1a1 --- /dev/null +++ b/drivers/regulator/mp5416.c @@ -0,0 +1,245 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// mp5416.c - regulator driver for mps mp5416 +// +// Copyright 2020 Monolithic Power Systems, Inc +// +// Author: Saravanan Sekar <sravanhome@gmail.com> + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/regulator/driver.h> +#include <linux/i2c.h> + +#define MP5416_REG_CTL0 0x00 +#define MP5416_REG_CTL1 0x01 +#define MP5416_REG_CTL2 0x02 +#define MP5416_REG_ILIM 0x03 +#define MP5416_REG_BUCK1 0x04 +#define MP5416_REG_BUCK2 0x05 +#define MP5416_REG_BUCK3 0x06 +#define MP5416_REG_BUCK4 0x07 +#define MP5416_REG_LDO1 0x08 +#define MP5416_REG_LDO2 0x09 +#define MP5416_REG_LDO3 0x0a +#define MP5416_REG_LDO4 0x0b + +#define MP5416_REGULATOR_EN BIT(7) +#define MP5416_MASK_VSET 0x7f +#define MP5416_MASK_BUCK1_ILIM 0xc0 +#define MP5416_MASK_BUCK2_ILIM 0x0c +#define MP5416_MASK_BUCK3_ILIM 0x30 +#define MP5416_MASK_BUCK4_ILIM 0x03 +#define MP5416_MASK_DVS_SLEWRATE 0xc0 + +/* values in uV */ +#define MP5416_VOLT1_MIN 600000 +#define MP5416_VOLT1_MAX 2187500 +#define MP5416_VOLT1_STEP 12500 +#define MP5416_VOLT2_MIN 800000 +#define MP5416_VOLT2_MAX 3975000 +#define MP5416_VOLT2_STEP 25000 + +#define MP5416_VOLT1_RANGE \ + ((MP5416_VOLT1_MAX - MP5416_VOLT1_MIN)/MP5416_VOLT1_STEP + 1) +#define MP5416_VOLT2_RANGE \ + ((MP5416_VOLT2_MAX - MP5416_VOLT2_MIN)/MP5416_VOLT2_STEP + 1) + +#define MP5416BUCK(_name, _id, _ilim, _dreg, _dval, _vsel) \ + [MP5416_BUCK ## _id] = { \ + .id = MP5416_BUCK ## _id, \ + .name = _name, \ + .of_match = _name, \ + .regulators_node = "regulators", \ + .ops = &mp5416_buck_ops, \ + .min_uV = MP5416_VOLT ##_vsel## _MIN, \ + .uV_step = MP5416_VOLT ##_vsel## _STEP, \ + .n_voltages = MP5416_VOLT ##_vsel## _RANGE, \ + .curr_table = _ilim, \ + .n_current_limits = ARRAY_SIZE(_ilim), \ + .csel_reg = MP5416_REG_ILIM, \ + .csel_mask = MP5416_MASK_BUCK ## _id ##_ILIM, \ + .vsel_reg = MP5416_REG_BUCK ## _id, \ + .vsel_mask = MP5416_MASK_VSET, \ + .enable_reg = MP5416_REG_BUCK ## _id, \ + .enable_mask = MP5416_REGULATOR_EN, \ + .active_discharge_on = _dval, \ + .active_discharge_reg = _dreg, \ + .active_discharge_mask = _dval, \ + .owner = THIS_MODULE, \ + } + +#define MP5416LDO(_name, _id, _dval) \ + [MP5416_LDO ## _id] = { \ + .id = MP5416_LDO ## _id, \ + .name = _name, \ + .of_match = _name, \ + .regulators_node = "regulators", \ + .ops = &mp5416_ldo_ops, \ + .min_uV = MP5416_VOLT2_MIN, \ + .uV_step = MP5416_VOLT2_STEP, \ + .n_voltages = MP5416_VOLT2_RANGE, \ + .vsel_reg = MP5416_REG_LDO ##_id, \ + .vsel_mask = MP5416_MASK_VSET, \ + .enable_reg = MP5416_REG_LDO ##_id, \ + .enable_mask = MP5416_REGULATOR_EN, \ + .active_discharge_on = _dval, \ + .active_discharge_reg = MP5416_REG_CTL2, \ + .active_discharge_mask = _dval, \ + .owner = THIS_MODULE, \ + } + +enum mp5416_regulators { + MP5416_BUCK1, + MP5416_BUCK2, + MP5416_BUCK3, + MP5416_BUCK4, + MP5416_LDO1, + MP5416_LDO2, + MP5416_LDO3, + MP5416_LDO4, + MP5416_MAX_REGULATORS, +}; + +static const struct regmap_config mp5416_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x0d, +}; + +/* Current limits array (in uA) + * ILIM1 & ILIM3 + */ +static const unsigned int mp5416_I_limits1[] = { + 3800000, 4600000, 5600000, 6800000 +}; + +/* ILIM2 & ILIM4 */ +static const unsigned int mp5416_I_limits2[] = { + 2200000, 3200000, 4200000, 5200000 +}; + +static int mp5416_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay); + +static const struct regulator_ops mp5416_ldo_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_active_discharge = regulator_set_active_discharge_regmap, +}; + +static const struct regulator_ops mp5416_buck_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_active_discharge = regulator_set_active_discharge_regmap, + .get_current_limit = regulator_get_current_limit_regmap, + .set_current_limit = regulator_set_current_limit_regmap, + .set_ramp_delay = mp5416_set_ramp_delay, +}; + +static struct regulator_desc mp5416_regulators_desc[MP5416_MAX_REGULATORS] = { + MP5416BUCK("buck1", 1, mp5416_I_limits1, MP5416_REG_CTL1, BIT(0), 1), + MP5416BUCK("buck2", 2, mp5416_I_limits2, MP5416_REG_CTL1, BIT(1), 2), + MP5416BUCK("buck3", 3, mp5416_I_limits1, MP5416_REG_CTL1, BIT(2), 1), + MP5416BUCK("buck4", 4, mp5416_I_limits2, MP5416_REG_CTL2, BIT(5), 2), + MP5416LDO("ldo1", 1, BIT(4)), + MP5416LDO("ldo2", 2, BIT(3)), + MP5416LDO("ldo3", 3, BIT(2)), + MP5416LDO("ldo4", 4, BIT(1)), +}; + +/* + * DVS ramp rate BUCK1 to BUCK4 + * 00: 32mV/us + * 01: 16mV/us + * 10: 8mV/us + * 11: 4mV/us + */ +static int mp5416_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) +{ + unsigned int ramp_val; + + if (ramp_delay > 32000 || ramp_delay < 0) + return -EINVAL; + + if (ramp_delay <= 4000) + ramp_val = 3; + else if (ramp_delay <= 8000) + ramp_val = 2; + else if (ramp_delay <= 16000) + ramp_val = 1; + else + ramp_val = 0; + + return regmap_update_bits(rdev->regmap, MP5416_REG_CTL2, + MP5416_MASK_DVS_SLEWRATE, ramp_val << 6); +} + +static int mp5416_i2c_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct regulator_config config = { NULL, }; + struct regulator_dev *rdev; + struct regmap *regmap; + int i; + + regmap = devm_regmap_init_i2c(client, &mp5416_regmap_config); + if (IS_ERR(regmap)) { + dev_err(dev, "Failed to allocate regmap!\n"); + return PTR_ERR(regmap); + } + + config.dev = dev; + config.regmap = regmap; + + for (i = 0; i < MP5416_MAX_REGULATORS; i++) { + rdev = devm_regulator_register(dev, + &mp5416_regulators_desc[i], + &config); + if (IS_ERR(rdev)) { + dev_err(dev, "Failed to register regulator!\n"); + return PTR_ERR(rdev); + } + } + + return 0; +} + +static const struct of_device_id mp5416_of_match[] = { + { .compatible = "mps,mp5416" }, + {}, +}; +MODULE_DEVICE_TABLE(of, mp5416_of_match); + +static const struct i2c_device_id mp5416_id[] = { + { "mp5416", }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, mp5416_id); + +static struct i2c_driver mp5416_regulator_driver = { + .driver = { + .name = "mp5416", + .of_match_table = of_match_ptr(mp5416_of_match), + }, + .probe_new = mp5416_i2c_probe, + .id_table = mp5416_id, +}; +module_i2c_driver(mp5416_regulator_driver); + +MODULE_AUTHOR("Saravanan Sekar <sravanhome@gmail.com>"); +MODULE_DESCRIPTION("MP5416 PMIC regulator driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/mp8859.c b/drivers/regulator/mp8859.c index 1d26b506ee5b..6ed987648188 100644 --- a/drivers/regulator/mp8859.c +++ b/drivers/regulator/mp8859.c @@ -95,6 +95,7 @@ static const struct regulator_desc mp8859_regulators[] = { .id = 0, .type = REGULATOR_VOLTAGE, .name = "mp8859_dcdc", + .supply_name = "vin", .of_match = of_match_ptr("mp8859_dcdc"), .n_voltages = VOL_MAX_IDX + 1, .linear_ranges = mp8859_dcdc_ranges, diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c index e74e11101fc1..638329bd0745 100644 --- a/drivers/regulator/pwm-regulator.c +++ b/drivers/regulator/pwm-regulator.c @@ -354,7 +354,11 @@ static int pwm_regulator_probe(struct platform_device *pdev) drvdata->pwm = devm_pwm_get(&pdev->dev, NULL); if (IS_ERR(drvdata->pwm)) { ret = PTR_ERR(drvdata->pwm); - dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret); + if (ret == -EPROBE_DEFER) + dev_dbg(&pdev->dev, + "Failed to get PWM, deferring probe\n"); + else + dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret); return ret; } diff --git a/drivers/regulator/qcom_rpm-regulator.c b/drivers/regulator/qcom_rpm-regulator.c index 7407cd5a1b74..7fc97f23fcf4 100644 --- a/drivers/regulator/qcom_rpm-regulator.c +++ b/drivers/regulator/qcom_rpm-regulator.c @@ -925,12 +925,21 @@ static const struct rpm_regulator_data rpm_pm8921_regulators[] = { { } }; +static const struct rpm_regulator_data rpm_smb208_regulators[] = { + { "s1a", QCOM_RPM_SMB208_S1a, &smb208_smps, "vin_s1a" }, + { "s1b", QCOM_RPM_SMB208_S1b, &smb208_smps, "vin_s1b" }, + { "s2a", QCOM_RPM_SMB208_S2a, &smb208_smps, "vin_s2a" }, + { "s2b", QCOM_RPM_SMB208_S2b, &smb208_smps, "vin_s2b" }, + { } +}; + static const struct of_device_id rpm_of_match[] = { { .compatible = "qcom,rpm-pm8018-regulators", .data = &rpm_pm8018_regulators }, { .compatible = "qcom,rpm-pm8058-regulators", .data = &rpm_pm8058_regulators }, { .compatible = "qcom,rpm-pm8901-regulators", .data = &rpm_pm8901_regulators }, { .compatible = "qcom,rpm-pm8921-regulators", .data = &rpm_pm8921_regulators }, + { .compatible = "qcom,rpm-smb208-regulators", .data = &rpm_smb208_regulators }, { } }; MODULE_DEVICE_TABLE(of, rpm_of_match); diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index d0b8cc741a24..298329b781d2 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -86,8 +86,6 @@ #define TCR_RXMSK BIT(19) #define TCR_TXMSK BIT(18) -static int clkdivs[] = {1, 2, 4, 8, 16, 32, 64, 128}; - struct lpspi_config { u8 bpw; u8 chip_select; @@ -331,15 +329,14 @@ static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) } for (prescale = 0; prescale < 8; prescale++) { - scldiv = perclk_rate / - (clkdivs[prescale] * config.speed_hz) - 2; + scldiv = perclk_rate / config.speed_hz / (1 << prescale) - 2; if (scldiv < 256) { fsl_lpspi->config.prescale = prescale; break; } } - if (prescale == 8 && scldiv >= 256) + if (scldiv >= 256) return -EINVAL; writel(scldiv | (scldiv << 8) | ((scldiv >> 1) << 16), |