diff options
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/core.c | 119 | ||||
-rw-r--r-- | drivers/regulator/da9052-regulator.c | 2 | ||||
-rw-r--r-- | drivers/regulator/da9055-regulator.c | 2 | ||||
-rw-r--r-- | drivers/regulator/fixed-helper.c | 1 | ||||
-rw-r--r-- | drivers/regulator/fixed.c | 33 | ||||
-rw-r--r-- | drivers/regulator/helpers.c | 13 | ||||
-rw-r--r-- | drivers/regulator/qcom-rpmh-regulator.c | 3 | ||||
-rw-r--r-- | drivers/regulator/qcom_smd-regulator.c | 77 |
8 files changed, 165 insertions, 85 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 4b1755a8ef00..2c66b528aede 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -426,19 +426,24 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RO(name); -static ssize_t regulator_print_opmode(char *buf, int mode) +static const char *regulator_opmode_to_str(int mode) { switch (mode) { case REGULATOR_MODE_FAST: - return sprintf(buf, "fast\n"); + return "fast"; case REGULATOR_MODE_NORMAL: - return sprintf(buf, "normal\n"); + return "normal"; case REGULATOR_MODE_IDLE: - return sprintf(buf, "idle\n"); + return "idle"; case REGULATOR_MODE_STANDBY: - return sprintf(buf, "standby\n"); + return "standby"; } - return sprintf(buf, "unknown\n"); + return "unknown"; +} + +static ssize_t regulator_print_opmode(char *buf, int mode) +{ + return sprintf(buf, "%s\n", regulator_opmode_to_str(mode)); } static ssize_t regulator_opmode_show(struct device *dev, @@ -3475,21 +3480,23 @@ out: } EXPORT_SYMBOL_GPL(regulator_set_current_limit); +static int _regulator_get_current_limit_unlocked(struct regulator_dev *rdev) +{ + /* sanity check */ + if (!rdev->desc->ops->get_current_limit) + return -EINVAL; + + return rdev->desc->ops->get_current_limit(rdev); +} + static int _regulator_get_current_limit(struct regulator_dev *rdev) { int ret; regulator_lock(rdev); - - /* sanity check */ - if (!rdev->desc->ops->get_current_limit) { - ret = -EINVAL; - goto out; - } - - ret = rdev->desc->ops->get_current_limit(rdev); -out: + ret = _regulator_get_current_limit_unlocked(rdev); regulator_unlock(rdev); + return ret; } @@ -3554,21 +3561,23 @@ out: } EXPORT_SYMBOL_GPL(regulator_set_mode); +static unsigned int _regulator_get_mode_unlocked(struct regulator_dev *rdev) +{ + /* sanity check */ + if (!rdev->desc->ops->get_mode) + return -EINVAL; + + return rdev->desc->ops->get_mode(rdev); +} + static unsigned int _regulator_get_mode(struct regulator_dev *rdev) { int ret; regulator_lock(rdev); - - /* sanity check */ - if (!rdev->desc->ops->get_mode) { - ret = -EINVAL; - goto out; - } - - ret = rdev->desc->ops->get_mode(rdev); -out: + ret = _regulator_get_mode_unlocked(rdev); regulator_unlock(rdev); + return ret; } @@ -4460,41 +4469,33 @@ void regulator_unregister(struct regulator_dev *rdev) EXPORT_SYMBOL_GPL(regulator_unregister); #ifdef CONFIG_SUSPEND -static int _regulator_suspend(struct device *dev, void *data) -{ - struct regulator_dev *rdev = dev_to_rdev(dev); - suspend_state_t *state = data; - int ret; - - regulator_lock(rdev); - ret = suspend_set_state(rdev, *state); - regulator_unlock(rdev); - - return ret; -} - /** * regulator_suspend - prepare regulators for system wide suspend - * @state: system suspend state + * @dev: ``&struct device`` pointer that is passed to _regulator_suspend() * * Configure each regulator with it's suspend operating parameters for state. */ static int regulator_suspend(struct device *dev) { + struct regulator_dev *rdev = dev_to_rdev(dev); suspend_state_t state = pm_suspend_target_state; + int ret; + + regulator_lock(rdev); + ret = suspend_set_state(rdev, state); + regulator_unlock(rdev); - return class_for_each_device(®ulator_class, NULL, &state, - _regulator_suspend); + return ret; } -static int _regulator_resume(struct device *dev, void *data) +static int regulator_resume(struct device *dev) { - int ret = 0; + suspend_state_t state = pm_suspend_target_state; struct regulator_dev *rdev = dev_to_rdev(dev); - suspend_state_t *state = data; struct regulator_state *rstate; + int ret = 0; - rstate = regulator_get_suspend_state(rdev, *state); + rstate = regulator_get_suspend_state(rdev, state); if (rstate == NULL) return 0; @@ -4509,15 +4510,6 @@ static int _regulator_resume(struct device *dev, void *data) return ret; } - -static int regulator_resume(struct device *dev) -{ - suspend_state_t state = pm_suspend_target_state; - - return class_for_each_device(®ulator_class, NULL, &state, - _regulator_resume); -} - #else /* !CONFIG_SUSPEND */ #define regulator_suspend NULL @@ -4675,17 +4667,23 @@ static void regulator_summary_show_subtree(struct seq_file *s, struct regulation_constraints *c; struct regulator *consumer; struct summary_data summary_data; + unsigned int opmode; if (!rdev) return; - seq_printf(s, "%*s%-*s %3d %4d %6d ", + regulator_lock_nested(rdev, level); + + opmode = _regulator_get_mode_unlocked(rdev); + seq_printf(s, "%*s%-*s %3d %4d %6d %7s ", level * 3 + 1, "", 30 - level * 3, rdev_get_name(rdev), - rdev->use_count, rdev->open_count, rdev->bypass_count); + rdev->use_count, rdev->open_count, rdev->bypass_count, + regulator_opmode_to_str(opmode)); seq_printf(s, "%5dmV ", _regulator_get_voltage(rdev) / 1000); - seq_printf(s, "%5dmA ", _regulator_get_current_limit(rdev) / 1000); + seq_printf(s, "%5dmA ", + _regulator_get_current_limit_unlocked(rdev) / 1000); c = rdev->constraints; if (c) { @@ -4714,7 +4712,8 @@ static void regulator_summary_show_subtree(struct seq_file *s, switch (rdev->desc->type) { case REGULATOR_VOLTAGE: - seq_printf(s, "%37dmV %5dmV", + seq_printf(s, "%37dmA %5dmV %5dmV", + consumer->uA_load / 1000, consumer->voltage[PM_SUSPEND_ON].min_uV / 1000, consumer->voltage[PM_SUSPEND_ON].max_uV / 1000); break; @@ -4731,6 +4730,8 @@ static void regulator_summary_show_subtree(struct seq_file *s, class_for_each_device(®ulator_class, NULL, &summary_data, regulator_summary_show_children); + + regulator_unlock(rdev); } static int regulator_summary_show_roots(struct device *dev, void *data) @@ -4746,8 +4747,8 @@ static int regulator_summary_show_roots(struct device *dev, void *data) static int regulator_summary_show(struct seq_file *s, void *data) { - seq_puts(s, " regulator use open bypass voltage current min max\n"); - seq_puts(s, "-------------------------------------------------------------------------------\n"); + seq_puts(s, " regulator use open bypass opmode voltage current min max\n"); + seq_puts(s, "---------------------------------------------------------------------------------------\n"); class_for_each_device(®ulator_class, NULL, s, regulator_summary_show_roots); diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index 9ececfef42d6..37e4025203e3 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c @@ -420,7 +420,7 @@ static int da9052_regulator_probe(struct platform_device *pdev) config.dev = &pdev->dev; config.driver_data = regulator; config.regmap = da9052->regmap; - if (pdata && pdata->regulators) { + if (pdata) { config.init_data = pdata->regulators[cell->id]; } else { #ifdef CONFIG_OF diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index f40c3b8644ae..588c3d2445cf 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -612,7 +612,7 @@ static int da9055_regulator_probe(struct platform_device *pdev) config.driver_data = regulator; config.regmap = da9055->regmap; - if (pdata && pdata->regulators) { + if (pdata) { config.init_data = pdata->regulators[pdev->id]; } else { ret = da9055_regulator_dt_init(pdev, regulator, &config, diff --git a/drivers/regulator/fixed-helper.c b/drivers/regulator/fixed-helper.c index 777fac6fb4cb..2c6098e6f4bc 100644 --- a/drivers/regulator/fixed-helper.c +++ b/drivers/regulator/fixed-helper.c @@ -43,7 +43,6 @@ struct platform_device *regulator_register_always_on(int id, const char *name, } data->cfg.microvolts = uv; - data->cfg.gpio = -EINVAL; data->cfg.enabled_at_boot = 1; data->cfg.init_data = &data->init_data; diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 988a7472c2ab..1142f195529b 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -24,10 +24,9 @@ #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/fixed.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/slab.h> #include <linux/of.h> -#include <linux/of_gpio.h> #include <linux/regulator/of_regulator.h> #include <linux/regulator/machine.h> @@ -78,10 +77,6 @@ of_get_fixed_voltage_config(struct device *dev, if (init_data->constraints.boot_on) config->enabled_at_boot = true; - config->gpio = of_get_named_gpio(np, "gpio", 0); - if ((config->gpio < 0) && (config->gpio != -ENOENT)) - return ERR_PTR(config->gpio); - of_property_read_u32(np, "startup-delay-us", &config->startup_delay); config->enable_high = of_property_read_bool(np, "enable-active-high"); @@ -102,6 +97,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) struct fixed_voltage_config *config; struct fixed_voltage_data *drvdata; struct regulator_config cfg = { }; + enum gpiod_flags gflags; int ret; drvdata = devm_kzalloc(&pdev->dev, sizeof(struct fixed_voltage_data), @@ -150,25 +146,28 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) drvdata->desc.fixed_uV = config->microvolts; - if (gpio_is_valid(config->gpio)) { - cfg.ena_gpio = config->gpio; - if (pdev->dev.of_node) - cfg.ena_gpio_initialized = true; - } cfg.ena_gpio_invert = !config->enable_high; if (config->enabled_at_boot) { if (config->enable_high) - cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; + gflags = GPIOD_OUT_HIGH; else - cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW; + gflags = GPIOD_OUT_LOW; } else { if (config->enable_high) - cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW; + gflags = GPIOD_OUT_LOW; else - cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; + gflags = GPIOD_OUT_HIGH; } - if (config->gpio_is_open_drain) - cfg.ena_gpio_flags |= GPIOF_OPEN_DRAIN; + if (config->gpio_is_open_drain) { + if (gflags == GPIOD_OUT_HIGH) + gflags = GPIOD_OUT_HIGH_OPEN_DRAIN; + else + gflags = GPIOD_OUT_LOW_OPEN_DRAIN; + } + + cfg.ena_gpiod = devm_gpiod_get_optional(&pdev->dev, NULL, gflags); + if (IS_ERR(cfg.ena_gpiod)) + return PTR_ERR(cfg.ena_gpiod); cfg.dev = &pdev->dev; cfg.init_data = config->init_data; diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index d2b9fc359318..5686a1335bd3 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -443,17 +443,18 @@ int regulator_map_voltage_linear_range(struct regulator_dev *rdev, ret += range->min_sel; - break; + /* + * Map back into a voltage to verify we're still in bounds. + * If we are not, then continue checking rest of the ranges. + */ + voltage = rdev->desc->ops->list_voltage(rdev, ret); + if (voltage >= min_uV && voltage <= max_uV) + break; } if (i == rdev->desc->n_linear_ranges) return -EINVAL; - /* Map back into a voltage to verify we're still in bounds */ - voltage = rdev->desc->ops->list_voltage(rdev, ret); - if (voltage < min_uV || voltage > max_uV) - return -EINVAL; - return ret; } EXPORT_SYMBOL_GPL(regulator_map_voltage_linear_range); diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c index 301e7f695374..39ccf53fdeb3 100644 --- a/drivers/regulator/qcom-rpmh-regulator.c +++ b/drivers/regulator/qcom-rpmh-regulator.c @@ -504,6 +504,7 @@ static unsigned int rpmh_regulator_pmic4_ldo_of_map_mode(unsigned int rpmh_mode) break; default: mode = REGULATOR_MODE_INVALID; + break; } return mode; @@ -537,6 +538,7 @@ rpmh_regulator_pmic4_smps_of_map_mode(unsigned int rpmh_mode) break; default: mode = REGULATOR_MODE_INVALID; + break; } return mode; @@ -566,6 +568,7 @@ static unsigned int rpmh_regulator_pmic4_bob_of_map_mode(unsigned int rpmh_mode) break; default: mode = REGULATOR_MODE_INVALID; + break; } return mode; diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c index fe2fb36803e0..f5bca77d67c1 100644 --- a/drivers/regulator/qcom_smd-regulator.c +++ b/drivers/regulator/qcom_smd-regulator.c @@ -420,6 +420,60 @@ static const struct regulator_desc pmi8998_bob = { .ops = &rpm_bob_ops, }; +static const struct regulator_desc pms405_hfsmps3 = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000), + }, + .n_linear_ranges = 1, + .n_voltages = 216, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pms405_nldo300 = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000), + }, + .n_linear_ranges = 1, + .n_voltages = 128, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pms405_nldo1200 = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000), + }, + .n_linear_ranges = 1, + .n_voltages = 128, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pms405_pldo50 = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(1664000, 0, 128, 16000), + }, + .n_linear_ranges = 1, + .n_voltages = 129, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pms405_pldo150 = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(1664000, 0, 128, 16000), + }, + .n_linear_ranges = 1, + .n_voltages = 129, + .ops = &rpm_smps_ldo_ops, +}; + +static const struct regulator_desc pms405_pldo600 = { + .linear_ranges = (struct regulator_linear_range[]) { + REGULATOR_LINEAR_RANGE(1256000, 0, 98, 8000), + }, + .n_linear_ranges = 1, + .n_voltages = 99, + .ops = &rpm_smps_ldo_ops, +}; + struct rpm_regulator_data { const char *name; u32 type; @@ -661,6 +715,28 @@ static const struct rpm_regulator_data rpm_pmi8998_regulators[] = { {} }; +static const struct rpm_regulator_data rpm_pms405_regulators[] = { + { "s1", QCOM_SMD_RPM_SMPA, 1, &pms405_hfsmps3, "vdd_s1" }, + { "s2", QCOM_SMD_RPM_SMPA, 2, &pms405_hfsmps3, "vdd_s2" }, + { "s3", QCOM_SMD_RPM_SMPA, 3, &pms405_hfsmps3, "vdd_s3" }, + { "s4", QCOM_SMD_RPM_SMPA, 4, &pms405_hfsmps3, "vdd_s4" }, + { "s5", QCOM_SMD_RPM_SMPA, 5, &pms405_hfsmps3, "vdd_s5" }, + { "l1", QCOM_SMD_RPM_LDOA, 1, &pms405_nldo1200, "vdd_l1_l2" }, + { "l2", QCOM_SMD_RPM_LDOA, 2, &pms405_nldo1200, "vdd_l1_l2" }, + { "l3", QCOM_SMD_RPM_LDOA, 3, &pms405_nldo1200, "vdd_l3_l8" }, + { "l4", QCOM_SMD_RPM_LDOA, 4, &pms405_nldo300, "vdd_l4" }, + { "l5", QCOM_SMD_RPM_LDOA, 5, &pms405_pldo600, "vdd_l5_l6" }, + { "l6", QCOM_SMD_RPM_LDOA, 6, &pms405_pldo600, "vdd_l5_l6" }, + { "l7", QCOM_SMD_RPM_LDOA, 7, &pms405_pldo150, "vdd_l7" }, + { "l8", QCOM_SMD_RPM_LDOA, 8, &pms405_nldo1200, "vdd_l3_l8" }, + { "l9", QCOM_SMD_RPM_LDOA, 9, &pms405_nldo1200, "vdd_l9" }, + { "l10", QCOM_SMD_RPM_LDOA, 10, &pms405_pldo50, "vdd_l10_l11_l12_l13" }, + { "l11", QCOM_SMD_RPM_LDOA, 11, &pms405_pldo150, "vdd_l10_l11_l12_l13" }, + { "l12", QCOM_SMD_RPM_LDOA, 12, &pms405_pldo150, "vdd_l10_l11_l12_l13" }, + { "l13", QCOM_SMD_RPM_LDOA, 13, &pms405_pldo150, "vdd_l10_l11_l12_l13" }, + {} +}; + static const struct of_device_id rpm_of_match[] = { { .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators }, { .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators }, @@ -669,6 +745,7 @@ static const struct of_device_id rpm_of_match[] = { { .compatible = "qcom,rpm-pm8998-regulators", .data = &rpm_pm8998_regulators }, { .compatible = "qcom,rpm-pma8084-regulators", .data = &rpm_pma8084_regulators }, { .compatible = "qcom,rpm-pmi8998-regulators", .data = &rpm_pmi8998_regulators }, + { .compatible = "qcom,rpm-pms405-regulators", .data = &rpm_pms405_regulators }, {} }; MODULE_DEVICE_TABLE(of, rpm_of_match); |