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-rw-r--r--drivers/regulator/Kconfig7
-rw-r--r--drivers/regulator/Makefile1
-rw-r--r--drivers/regulator/arizona-ldo1.c57
-rw-r--r--drivers/regulator/arizona-micsupp.c37
-rw-r--r--drivers/regulator/axp20x-regulator.c285
-rw-r--r--drivers/regulator/core.c3
-rw-r--r--drivers/regulator/of_regulator.c31
-rw-r--r--drivers/regulator/s2mps11.c98
-rw-r--r--drivers/regulator/s5m8767.c17
-rw-r--r--drivers/regulator/tps65217-regulator.c4
10 files changed, 511 insertions, 29 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 903eb37f047a..65e5d7d1b35a 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -139,6 +139,13 @@ config REGULATOR_AS3722
AS3722 PMIC. This will enable support for all the software
controllable DCDC/LDO regulators.
+config REGULATOR_AXP20X
+ tristate "X-POWERS AXP20X PMIC Regulators"
+ depends on MFD_AXP20X
+ help
+ This driver provides support for the voltage regulators on the
+ AXP20X PMIC.
+
config REGULATOR_BCM590XX
tristate "Broadcom BCM590xx PMU Regulators"
depends on MFD_BCM590XX
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 12ef277a48b4..c14696b290c0 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o
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-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index b1033d30b504..d3787e11f535 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
#include <linux/gpio.h>
#include <linux/slab.h>
@@ -178,6 +179,42 @@ static const struct regulator_init_data arizona_ldo1_default = {
.num_consumer_supplies = 1,
};
+static int arizona_ldo1_of_get_pdata(struct arizona *arizona,
+ struct regulator_config *config)
+{
+ struct arizona_pdata *pdata = &arizona->pdata;
+ struct arizona_ldo1 *ldo1 = config->driver_data;
+ struct device_node *init_node, *dcvdd_node;
+ struct regulator_init_data *init_data;
+
+ pdata->ldoena = arizona_of_get_named_gpio(arizona, "wlf,ldoena", true);
+
+ init_node = of_get_child_by_name(arizona->dev->of_node, "ldo1");
+ dcvdd_node = of_parse_phandle(arizona->dev->of_node, "DCVDD-supply", 0);
+
+ if (init_node) {
+ config->of_node = init_node;
+
+ init_data = of_get_regulator_init_data(arizona->dev, init_node);
+
+ if (init_data) {
+ init_data->consumer_supplies = &ldo1->supply;
+ init_data->num_consumer_supplies = 1;
+
+ if (dcvdd_node && dcvdd_node != init_node)
+ arizona->external_dcvdd = true;
+
+ pdata->ldo1 = init_data;
+ }
+ } else if (dcvdd_node) {
+ arizona->external_dcvdd = true;
+ }
+
+ of_node_put(dcvdd_node);
+
+ return 0;
+}
+
static int arizona_ldo1_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -186,6 +223,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
struct arizona_ldo1 *ldo1;
int ret;
+ arizona->external_dcvdd = false;
+
ldo1 = devm_kzalloc(&pdev->dev, sizeof(*ldo1), GFP_KERNEL);
if (!ldo1)
return -ENOMEM;
@@ -216,6 +255,15 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
config.dev = arizona->dev;
config.driver_data = ldo1;
config.regmap = arizona->regmap;
+
+ if (IS_ENABLED(CONFIG_OF)) {
+ if (!dev_get_platdata(arizona->dev)) {
+ ret = arizona_ldo1_of_get_pdata(arizona, &config);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
config.ena_gpio = arizona->pdata.ldoena;
if (arizona->pdata.ldo1)
@@ -223,6 +271,13 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
else
config.init_data = &ldo1->init_data;
+ /*
+ * LDO1 can only be used to supply DCVDD so if it has no
+ * consumers then DCVDD is supplied externally.
+ */
+ if (config.init_data->num_consumer_supplies == 0)
+ arizona->external_dcvdd = true;
+
ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config);
if (IS_ERR(ldo1->regulator)) {
ret = PTR_ERR(ldo1->regulator);
@@ -231,6 +286,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
return ret;
}
+ of_node_put(config.of_node);
+
platform_set_drvdata(pdev, ldo1);
return 0;
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index 6fdd9bf6927f..b80ebbe88bac 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
@@ -195,6 +196,32 @@ static const struct regulator_init_data arizona_micsupp_ext_default = {
.num_consumer_supplies = 1,
};
+static int arizona_micsupp_of_get_pdata(struct arizona *arizona,
+ struct regulator_config *config)
+{
+ struct arizona_pdata *pdata = &arizona->pdata;
+ struct arizona_micsupp *micsupp = config->driver_data;
+ struct device_node *np;
+ struct regulator_init_data *init_data;
+
+ np = of_get_child_by_name(arizona->dev->of_node, "micvdd");
+
+ if (np) {
+ config->of_node = np;
+
+ init_data = of_get_regulator_init_data(arizona->dev, np);
+
+ if (init_data) {
+ init_data->consumer_supplies = &micsupp->supply;
+ init_data->num_consumer_supplies = 1;
+
+ pdata->micvdd = init_data;
+ }
+ }
+
+ return 0;
+}
+
static int arizona_micsupp_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -234,6 +261,14 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
config.driver_data = micsupp;
config.regmap = arizona->regmap;
+ if (IS_ENABLED(CONFIG_OF)) {
+ if (!dev_get_platdata(arizona->dev)) {
+ ret = arizona_micsupp_of_get_pdata(arizona, &config);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
if (arizona->pdata.micvdd)
config.init_data = arizona->pdata.micvdd;
else
@@ -253,6 +288,8 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
return ret;
}
+ of_node_put(config.of_node);
+
platform_set_drvdata(pdev, micsupp);
return 0;
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
new file mode 100644
index 000000000000..78a29e60f53a
--- /dev/null
+++ b/drivers/regulator/axp20x-regulator.c
@@ -0,0 +1,285 @@
+/*
+ * AXP20x regulators driver.
+ *
+ * Copyright (C) 2013 Carlo Caione <carlo@caione.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/mfd/axp20x.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/of_regulator.h>
+
+#define AXP20X_IO_ENABLED 0x03
+#define AXP20X_IO_DISABLED 0x07
+
+#define AXP20X_WORKMODE_DCDC2_MASK BIT(2)
+#define AXP20X_WORKMODE_DCDC3_MASK BIT(1)
+
+#define AXP20X_FREQ_DCDC_MASK 0x0f
+
+#define AXP20X_DESC_IO(_id, _supply, _min, _max, _step, _vreg, _vmask, _ereg, \
+ _emask, _enable_val, _disable_val) \
+ [AXP20X_##_id] = { \
+ .name = #_id, \
+ .supply_name = (_supply), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = AXP20X_##_id, \
+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \
+ .owner = THIS_MODULE, \
+ .min_uV = (_min) * 1000, \
+ .uV_step = (_step) * 1000, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .enable_val = (_enable_val), \
+ .disable_val = (_disable_val), \
+ .ops = &axp20x_ops, \
+ }
+
+#define AXP20X_DESC(_id, _supply, _min, _max, _step, _vreg, _vmask, _ereg, \
+ _emask) \
+ [AXP20X_##_id] = { \
+ .name = #_id, \
+ .supply_name = (_supply), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = AXP20X_##_id, \
+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \
+ .owner = THIS_MODULE, \
+ .min_uV = (_min) * 1000, \
+ .uV_step = (_step) * 1000, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .ops = &axp20x_ops, \
+ }
+
+#define AXP20X_DESC_FIXED(_id, _supply, _volt) \
+ [AXP20X_##_id] = { \
+ .name = #_id, \
+ .supply_name = (_supply), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = AXP20X_##_id, \
+ .n_voltages = 1, \
+ .owner = THIS_MODULE, \
+ .min_uV = (_volt) * 1000, \
+ .ops = &axp20x_ops_fixed \
+ }
+
+#define AXP20X_DESC_TABLE(_id, _supply, _table, _vreg, _vmask, _ereg, _emask) \
+ [AXP20X_##_id] = { \
+ .name = #_id, \
+ .supply_name = (_supply), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = AXP20X_##_id, \
+ .n_voltages = ARRAY_SIZE(_table), \
+ .owner = THIS_MODULE, \
+ .vsel_reg = (_vreg), \
+ .vsel_mask = (_vmask), \
+ .enable_reg = (_ereg), \
+ .enable_mask = (_emask), \
+ .volt_table = (_table), \
+ .ops = &axp20x_ops_table, \
+ }
+
+static const int axp20x_ldo4_data[] = { 1250000, 1300000, 1400000, 1500000, 1600000,
+ 1700000, 1800000, 1900000, 2000000, 2500000,
+ 2700000, 2800000, 3000000, 3100000, 3200000,
+ 3300000 };
+
+static struct regulator_ops axp20x_ops_fixed = {
+ .list_voltage = regulator_list_voltage_linear,
+};
+
+static struct regulator_ops axp20x_ops_table = {
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_table,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static struct regulator_ops axp20x_ops = {
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const struct regulator_desc axp20x_regulators[] = {
+ AXP20X_DESC(DCDC2, "vin2", 700, 2275, 25, AXP20X_DCDC2_V_OUT, 0x3f,
+ AXP20X_PWR_OUT_CTRL, 0x10),
+ AXP20X_DESC(DCDC3, "vin3", 700, 3500, 25, AXP20X_DCDC3_V_OUT, 0x7f,
+ AXP20X_PWR_OUT_CTRL, 0x02),
+ AXP20X_DESC_FIXED(LDO1, "acin", 1300),
+ AXP20X_DESC(LDO2, "ldo24in", 1800, 3300, 100, AXP20X_LDO24_V_OUT, 0xf0,
+ AXP20X_PWR_OUT_CTRL, 0x04),
+ AXP20X_DESC(LDO3, "ldo3in", 700, 3500, 25, AXP20X_LDO3_V_OUT, 0x7f,
+ AXP20X_PWR_OUT_CTRL, 0x40),
+ AXP20X_DESC_TABLE(LDO4, "ldo24in", axp20x_ldo4_data, AXP20X_LDO24_V_OUT, 0x0f,
+ AXP20X_PWR_OUT_CTRL, 0x08),
+ AXP20X_DESC_IO(LDO5, "ldo5in", 1800, 3300, 100, AXP20X_LDO5_V_OUT, 0xf0,
+ AXP20X_GPIO0_CTRL, 0x07, AXP20X_IO_ENABLED,
+ AXP20X_IO_DISABLED),
+};
+
+#define AXP_MATCH(_name, _id) \
+ [AXP20X_##_id] = { \
+ .name = #_name, \
+ .driver_data = (void *) &axp20x_regulators[AXP20X_##_id], \
+ }
+
+static struct of_regulator_match axp20x_matches[] = {
+ AXP_MATCH(dcdc2, DCDC2),
+ AXP_MATCH(dcdc3, DCDC3),
+ AXP_MATCH(ldo1, LDO1),
+ AXP_MATCH(ldo2, LDO2),
+ AXP_MATCH(ldo3, LDO3),
+ AXP_MATCH(ldo4, LDO4),
+ AXP_MATCH(ldo5, LDO5),
+};
+
+static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
+{
+ struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
+
+ if (dcdcfreq < 750) {
+ dcdcfreq = 750;
+ dev_warn(&pdev->dev, "DCDC frequency too low. Set to 750kHz\n");
+ }
+
+ if (dcdcfreq > 1875) {
+ dcdcfreq = 1875;
+ dev_warn(&pdev->dev, "DCDC frequency too high. Set to 1875kHz\n");
+ }
+
+ dcdcfreq = (dcdcfreq - 750) / 75;
+
+ return regmap_update_bits(axp20x->regmap, AXP20X_DCDC_FREQ,
+ AXP20X_FREQ_DCDC_MASK, dcdcfreq);
+}
+
+static int axp20x_regulator_parse_dt(struct platform_device *pdev)
+{
+ struct device_node *np, *regulators;
+ int ret;
+ u32 dcdcfreq;
+
+ np = of_node_get(pdev->dev.parent->of_node);
+ if (!np)
+ return 0;
+
+ regulators = of_find_node_by_name(np, "regulators");
+ if (!regulators) {
+ dev_warn(&pdev->dev, "regulators node not found\n");
+ } else {
+ ret = of_regulator_match(&pdev->dev, regulators, axp20x_matches,
+ ARRAY_SIZE(axp20x_matches));
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", ret);
+ return ret;
+ }
+
+ dcdcfreq = 1500;
+ of_property_read_u32(regulators, "x-powers,dcdc-freq", &dcdcfreq);
+ ret = axp20x_set_dcdc_freq(pdev, dcdcfreq);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret);
+ return ret;
+ }
+
+ of_node_put(regulators);
+ }
+
+ return 0;
+}
+
+static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode)
+{
+ unsigned int mask = AXP20X_WORKMODE_DCDC2_MASK;
+
+ if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3))
+ return -EINVAL;
+
+ if (id == AXP20X_DCDC3)
+ mask = AXP20X_WORKMODE_DCDC3_MASK;
+
+ workmode <<= ffs(mask) - 1;
+
+ return regmap_update_bits(rdev->regmap, AXP20X_DCDC_MODE, mask, workmode);
+}
+
+static int axp20x_regulator_probe(struct platform_device *pdev)
+{
+ struct regulator_dev *rdev;
+ struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = { };
+ struct regulator_init_data *init_data;
+ int ret, i;
+ u32 workmode;
+
+ ret = axp20x_regulator_parse_dt(pdev);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < AXP20X_REG_ID_MAX; i++) {
+ init_data = axp20x_matches[i].init_data;
+
+ config.dev = &pdev->dev;
+ config.init_data = init_data;
+ config.regmap = axp20x->regmap;
+ config.of_node = axp20x_matches[i].of_node;
+
+ rdev = devm_regulator_register(&pdev->dev, &axp20x_regulators[i],
+ &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "Failed to register %s\n",
+ axp20x_regulators[i].name);
+
+ return PTR_ERR(rdev);
+ }
+
+ ret = of_property_read_u32(axp20x_matches[i].of_node, "x-powers,dcdc-workmode",
+ &workmode);
+ if (!ret) {
+ if (axp20x_set_dcdc_workmode(rdev, i, workmode))
+ dev_err(&pdev->dev, "Failed to set workmode on %s\n",
+ axp20x_regulators[i].name);
+ }
+ }
+
+ return 0;
+}
+
+static struct platform_driver axp20x_regulator_driver = {
+ .probe = axp20x_regulator_probe,
+ .driver = {
+ .name = "axp20x-regulator",
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(axp20x_regulator_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
+MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC");
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 9a09f3cdbabb..b97ffd2365d3 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3447,7 +3447,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
/* register with sysfs */
rdev->dev.class = &regulator_class;
- rdev->dev.of_node = config->of_node;
+ rdev->dev.of_node = of_node_get(config->of_node);
rdev->dev.parent = dev;
dev_set_name(&rdev->dev, "regulator.%d",
atomic_inc_return(&regulator_no) - 1);
@@ -3589,6 +3589,7 @@ void regulator_unregister(struct regulator_dev *rdev)
list_del(&rdev->list);
kfree(rdev->constraints);
regulator_ena_gpio_free(rdev);
+ of_node_put(rdev->dev.of_node);
device_unregister(&rdev->dev);
mutex_unlock(&regulator_list_mutex);
}
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index ea4f36f2cbe2..4672cd2f4632 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -106,6 +106,20 @@ struct regulator_init_data *of_get_regulator_init_data(struct device *dev,
}
EXPORT_SYMBOL_GPL(of_get_regulator_init_data);
+struct devm_of_regulator_matches {
+ struct of_regulator_match *matches;
+ unsigned int num_matches;
+};
+
+static void devm_of_regulator_put_matches(struct device *dev, void *res)
+{
+ struct devm_of_regulator_matches *devm_matches = res;
+ int i;
+
+ for (i = 0; i < devm_matches->num_matches; i++)
+ of_node_put(devm_matches->matches[i].of_node);
+}
+
/**
* of_regulator_match - extract multiple regulator init data from device tree.
* @dev: device requesting the data
@@ -119,7 +133,8 @@ EXPORT_SYMBOL_GPL(of_get_regulator_init_data);
* regulator. The data parsed from a child node will be matched to a regulator
* based on either the deprecated property regulator-compatible if present,
* or otherwise the child node's name. Note that the match table is modified
- * in place.
+ * in place and an additional of_node reference is taken for each matched
+ * regulator.
*
* Returns the number of matches found or a negative error code on failure.
*/
@@ -131,10 +146,22 @@ int of_regulator_match(struct device *dev, struct device_node *node,
unsigned int i;
const char *name;
struct device_node *child;
+ struct devm_of_regulator_matches *devm_matches;
if (!dev || !node)
return -EINVAL;
+ devm_matches = devres_alloc(devm_of_regulator_put_matches,
+ sizeof(struct devm_of_regulator_matches),
+ GFP_KERNEL);
+ if (!devm_matches)
+ return -ENOMEM;
+
+ devm_matches->matches = matches;
+ devm_matches->num_matches = num_matches;
+
+ devres_add(dev, devm_matches);
+
for (i = 0; i < num_matches; i++) {
struct of_regulator_match *match = &matches[i];
match->init_data = NULL;
@@ -162,7 +189,7 @@ int of_regulator_match(struct device *dev, struct device_node *node,
child->name);
return -EINVAL;
}
- match->of_node = child;
+ match->of_node = of_node_get(child);
count++;
break;
}
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index e713c162fbd4..6dad0aa74a47 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -27,6 +27,7 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
+#include <linux/of_gpio.h>
#include <linux/mfd/samsung/core.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps14.h>
@@ -44,6 +45,8 @@ struct s2mps11_info {
* was enabled.
*/
unsigned int s2mps14_suspend_state:30;
+ /* Array of size rdev_num with GPIO-s for external sleep control */
+ int *ext_control_gpio;
};
static int get_ramp_delay(int ramp_delay)
@@ -409,6 +412,8 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev)
if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev)))
val = S2MPS14_ENABLE_SUSPEND;
+ else if (s2mps11->ext_control_gpio[rdev_get_id(rdev)])
+ val = S2MPS14_ENABLE_EXT_CONTROL;
else
val = rdev->desc->enable_mask;
@@ -565,12 +570,63 @@ static const struct regulator_desc s2mps14_regulators[] = {
regulator_desc_s2mps14_buck1235(5),
};
+static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11,
+ struct regulator_dev *rdev)
+{
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL);
+}
+
+static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
+ struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
+{
+ int *gpio = s2mps11->ext_control_gpio;
+ unsigned int i;
+ unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11,
+ S2MPS14_LDO12 };
+
+ for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) {
+ unsigned int reg = valid_regulators[i];
+
+ if (!rdata[reg].init_data || !rdata[reg].of_node)
+ continue;
+
+ gpio[reg] = of_get_named_gpio(rdata[reg].of_node,
+ "samsung,ext-control-gpios", 0);
+ if (!gpio_is_valid(gpio[reg]))
+ gpio[reg] = 0;
+ else
+ dev_dbg(&pdev->dev, "Using GPIO %d for ext-control over %d/%s\n",
+ gpio[reg], reg, rdata[reg].name);
+ }
+}
+
+static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
+ struct of_regulator_match *rdata, struct s2mps11_info *s2mps11,
+ enum sec_device_type dev_type)
+{
+ struct device_node *reg_np;
+
+ reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators");
+ if (!reg_np) {
+ dev_err(&pdev->dev, "could not find regulators sub-node\n");
+ return -EINVAL;
+ }
+
+ of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num);
+ if (dev_type == S2MPS14X)
+ s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11);
+
+ of_node_put(reg_np);
+
+ return 0;
+}
+
static int s2mps11_pmic_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
- struct sec_platform_data *pdata = iodev->pdata;
+ struct sec_platform_data *pdata = NULL;
struct of_regulator_match *rdata = NULL;
- struct device_node *reg_np = NULL;
struct regulator_config config = { };
struct s2mps11_info *s2mps11;
int i, ret = 0;
@@ -597,8 +653,15 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
return -EINVAL;
};
+ s2mps11->ext_control_gpio = devm_kzalloc(&pdev->dev,
+ sizeof(*s2mps11->ext_control_gpio) * s2mps11->rdev_num,
+ GFP_KERNEL);
+ if (!s2mps11->ext_control_gpio)
+ return -ENOMEM;
+
if (!iodev->dev->of_node) {
- if (pdata) {
+ if (iodev->pdata) {
+ pdata = iodev->pdata;
goto common_reg;
} else {
dev_err(pdev->dev.parent,
@@ -614,15 +677,9 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
for (i = 0; i < s2mps11->rdev_num; i++)
rdata[i].name = regulators[i].name;
- reg_np = of_get_child_by_name(iodev->dev->of_node, "regulators");
- if (!reg_np) {
- dev_err(&pdev->dev, "could not find regulators sub-node\n");
- ret = -EINVAL;
+ ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, dev_type);
+ if (ret)
goto out;
- }
-
- of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num);
- of_node_put(reg_np);
common_reg:
platform_set_drvdata(pdev, s2mps11);
@@ -633,7 +690,7 @@ common_reg:
for (i = 0; i < s2mps11->rdev_num; i++) {
struct regulator_dev *regulator;
- if (!reg_np) {
+ if (pdata) {
config.init_data = pdata->regulators[i].initdata;
config.of_node = pdata->regulators[i].reg_node;
} else {
@@ -641,6 +698,12 @@ common_reg:
config.of_node = rdata[i].of_node;
}
+ if (s2mps11->ext_control_gpio[i]) {
+ config.ena_gpio = s2mps11->ext_control_gpio[i];
+ config.ena_gpio_flags = GPIOF_OUT_INIT_HIGH;
+ } else
+ config.ena_gpio = config.ena_gpio_flags = 0;
+
regulator = devm_regulator_register(&pdev->dev,
&regulators[i], &config);
if (IS_ERR(regulator)) {
@@ -649,6 +712,17 @@ common_reg:
i);
goto out;
}
+
+ if (s2mps11->ext_control_gpio[i]) {
+ ret = s2mps14_pmic_enable_ext_control(s2mps11,
+ regulator);
+ if (ret < 0) {
+ dev_err(&pdev->dev,
+ "failed to enable GPIO control over %s: %d\n",
+ regulator->desc->name, ret);
+ goto out;
+ }
+ }
}
out:
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 92f19a005dc3..5daa06626f16 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -28,7 +28,6 @@ struct s5m8767_info {
struct device *dev;
struct sec_pmic_dev *iodev;
int num_regulators;
- struct regulator_dev **rdev;
struct sec_opmode_data *opmode;
int ramp_delay;
@@ -695,7 +694,6 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct sec_platform_data *pdata = iodev->pdata;
struct regulator_config config = { };
- struct regulator_dev **rdev;
struct s5m8767_info *s5m8767;
int i, ret, size, buck_init;
@@ -737,11 +735,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
return -ENOMEM;
size = sizeof(struct regulator_dev *) * (S5M8767_REG_MAX - 2);
- s5m8767->rdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
- if (!s5m8767->rdev)
- return -ENOMEM;
- rdev = s5m8767->rdev;
s5m8767->dev = &pdev->dev;
s5m8767->iodev = iodev;
s5m8767->num_regulators = pdata->num_regulators;
@@ -938,6 +932,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
const struct sec_voltage_desc *desc;
int id = pdata->regulators[i].id;
int enable_reg, enable_val;
+ struct regulator_dev *rdev;
desc = reg_voltage_map[id];
if (desc) {
@@ -969,21 +964,21 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
s5m8767_regulator_config_ext_control(s5m8767,
&pdata->regulators[i], &config);
- rdev[i] = devm_regulator_register(&pdev->dev, &regulators[id],
+ rdev = devm_regulator_register(&pdev->dev, &regulators[id],
&config);
- if (IS_ERR(rdev[i])) {
- ret = PTR_ERR(rdev[i]);
+ if (IS_ERR(rdev)) {
+ ret = PTR_ERR(rdev);
dev_err(s5m8767->dev, "regulator init failed for %d\n",
id);
return ret;
}
if (pdata->regulators[i].ext_control_gpio) {
- ret = s5m8767_enable_ext_control(s5m8767, rdev[i]);
+ ret = s5m8767_enable_ext_control(s5m8767, rdev);
if (ret < 0) {
dev_err(s5m8767->dev,
"failed to enable gpio control over %s: %d\n",
- rdev[i]->desc->name, ret);
+ rdev->desc->name, ret);
return ret;
}
}
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c
index 10b78d2b766a..f7ed20a5a8b9 100644
--- a/drivers/regulator/tps65217-regulator.c
+++ b/drivers/regulator/tps65217-regulator.c
@@ -134,6 +134,7 @@ static struct regulator_ops tps65217_pmic_ldo1_ops = {
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = tps65217_pmic_set_voltage_sel,
.list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_ascend,
};
static const struct regulator_desc regulators[] = {
@@ -257,9 +258,6 @@ static int tps65217_regulator_probe(struct platform_device *pdev)
pdev->name);
return PTR_ERR(rdev);
}
-
- /* Save regulator for cleanup */
- tps->rdev[i] = rdev;
}
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 17:04:46 +0000