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-rw-r--r--drivers/regulator/Kconfig15
-rw-r--r--drivers/regulator/Makefile2
-rw-r--r--drivers/regulator/anatop-regulator.c2
-rw-r--r--drivers/regulator/arizona-ldo1.c58
-rw-r--r--drivers/regulator/arizona-micsupp.c38
-rw-r--r--drivers/regulator/axp20x-regulator.c286
-rw-r--r--drivers/regulator/bcm590xx-regulator.c92
-rw-r--r--drivers/regulator/core.c58
-rw-r--r--drivers/regulator/devres.c6
-rw-r--r--drivers/regulator/fixed.c13
-rw-r--r--drivers/regulator/ltc3589.c554
-rw-r--r--drivers/regulator/max8649.c4
-rw-r--r--drivers/regulator/max8952.c2
-rw-r--r--drivers/regulator/of_regulator.c68
-rw-r--r--drivers/regulator/palmas-regulator.c160
-rw-r--r--drivers/regulator/pbias-regulator.c93
-rw-r--r--drivers/regulator/s2mpa01.c19
-rw-r--r--drivers/regulator/s2mps11.c113
-rw-r--r--drivers/regulator/st-pwm.c2
-rw-r--r--drivers/regulator/vexpress.c2
20 files changed, 1279 insertions, 308 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 903eb37f047a..c2fa0b4367b1 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
@@ -265,6 +272,14 @@ config REGULATOR_LP8788
help
This driver supports LP8788 voltage regulator chip.
+config REGULATOR_LTC3589
+ tristate "LTC3589 8-output voltage regulator"
+ depends on I2C
+ select REGMAP_I2C
+ help
+ This enables support for the LTC3589, LTC3589-1, and LTC3589-2
+ 8-output regulators controlled via I2C.
+
config REGULATOR_MAX14577
tristate "Maxim 14577 regulator"
depends on MFD_MAX14577
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 12ef277a48b4..d461110f4463 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
@@ -37,6 +38,7 @@ obj-$(CONFIG_REGULATOR_LP872X) += lp872x.o
obj-$(CONFIG_REGULATOR_LP8788) += lp8788-buck.o
obj-$(CONFIG_REGULATOR_LP8788) += lp8788-ldo.o
obj-$(CONFIG_REGULATOR_LP8755) += lp8755.o
+obj-$(CONFIG_REGULATOR_LTC3589) += ltc3589.o
obj-$(CONFIG_REGULATOR_MAX14577) += max14577.o
obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
obj-$(CONFIG_REGULATOR_MAX8649) += max8649.o
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 7c397bb81e01..4f730af70e7c 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -300,7 +300,7 @@ static int anatop_regulator_probe(struct platform_device *pdev)
return 0;
}
-static struct of_device_id of_anatop_regulator_match_tbl[] = {
+static const struct of_device_id of_anatop_regulator_match_tbl[] = {
{ .compatible = "fsl,anatop-regulator", },
{ /* end */ }
};
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index b1033d30b504..04f262a836b2 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -16,9 +16,11 @@
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/err.h>
+#include <linux/of.h>
#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 +180,42 @@ 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 +224,8 @@ 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 +256,15 @@ 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 +272,13 @@ 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 +287,8 @@ 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..ce9aca5f8ee7 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -16,9 +16,11 @@
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/err.h>
+#include <linux/of.h>
#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 +197,32 @@ 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 +262,14 @@ 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 +289,8 @@ 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..004aadb7bcc1
--- /dev/null
+++ b/drivers/regulator/axp20x-regulator.c
@@ -0,0 +1,286 @@
+/*
+ * 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,
+ .map_voltage = regulator_map_voltage_ascend,
+ .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_get_child_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/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c
index c3750c5b382b..57544e254a78 100644
--- a/drivers/regulator/bcm590xx-regulator.c
+++ b/drivers/regulator/bcm590xx-regulator.c
@@ -22,7 +22,7 @@
#include <linux/regulator/of_regulator.h>
#include <linux/slab.h>
-/* Register defs */
+/* I2C slave 0 registers */
#define BCM590XX_RFLDOPMCTRL1 0x60
#define BCM590XX_IOSR1PMCTRL1 0x7a
#define BCM590XX_IOSR2PMCTRL1 0x7c
@@ -31,13 +31,34 @@
#define BCM590XX_SDSR2PMCTRL1 0x86
#define BCM590XX_MSRPMCTRL1 0x8a
#define BCM590XX_VSRPMCTRL1 0x8e
-#define BCM590XX_REG_ENABLE BIT(7)
-
#define BCM590XX_RFLDOCTRL 0x96
#define BCM590XX_CSRVOUT1 0xc0
+
+/* I2C slave 1 registers */
+#define BCM590XX_GPLDO5PMCTRL1 0x16
+#define BCM590XX_GPLDO6PMCTRL1 0x18
+#define BCM590XX_GPLDO1CTRL 0x1a
+#define BCM590XX_GPLDO2CTRL 0x1b
+#define BCM590XX_GPLDO3CTRL 0x1c
+#define BCM590XX_GPLDO4CTRL 0x1d
+#define BCM590XX_GPLDO5CTRL 0x1e
+#define BCM590XX_GPLDO6CTRL 0x1f
+#define BCM590XX_OTG_CTRL 0x40
+#define BCM590XX_GPLDO1PMCTRL1 0x57
+#define BCM590XX_GPLDO2PMCTRL1 0x59
+#define BCM590XX_GPLDO3PMCTRL1 0x5b
+#define BCM590XX_GPLDO4PMCTRL1 0x5d
+
+#define BCM590XX_REG_ENABLE BIT(7)
+#define BCM590XX_VBUS_ENABLE BIT(2)
#define BCM590XX_LDO_VSEL_MASK GENMASK(5, 3)
#define BCM590XX_SR_VSEL_MASK GENMASK(5, 0)
+/*
+ * RFLDO to VSR regulators are
+ * accessed via I2C slave 0
+ */
+
/* LDO regulator IDs */
#define BCM590XX_REG_RFLDO 0
#define BCM590XX_REG_CAMLDO1 1
@@ -62,9 +83,25 @@
#define BCM590XX_REG_SDSR2 18
#define BCM590XX_REG_VSR 19
-#define BCM590XX_NUM_REGS 20
+/*
+ * GPLDO1 to VBUS regulators are
+ * accessed via I2C slave 1
+ */
+
+#define BCM590XX_REG_GPLDO1 20
+#define BCM590XX_REG_GPLDO2 21
+#define BCM590XX_REG_GPLDO3 22
+#define BCM590XX_REG_GPLDO4 23
+#define BCM590XX_REG_GPLDO5 24
+#define BCM590XX_REG_GPLDO6 25
+#define BCM590XX_REG_VBUS 26
+
+#define BCM590XX_NUM_REGS 27
#define BCM590XX_REG_IS_LDO(n) (n < BCM590XX_REG_CSR)
+#define BCM590XX_REG_IS_GPLDO(n) \
+ ((n > BCM590XX_REG_VSR) && (n < BCM590XX_REG_VBUS))
+#define BCM590XX_REG_IS_VBUS(n) (n == BCM590XX_REG_VBUS)
struct bcm590xx_board {
struct regulator_init_data *bcm590xx_pmu_init_data[BCM590XX_NUM_REGS];
@@ -149,6 +186,12 @@ static struct bcm590xx_info bcm590xx_regs[] = {
BCM590XX_REG_RANGES(sdsr1, dcdc_sdsr1_ranges),
BCM590XX_REG_RANGES(sdsr2, dcdc_iosr1_ranges),
BCM590XX_REG_RANGES(vsr, dcdc_iosr1_ranges),
+ BCM590XX_REG_TABLE(gpldo1, ldo_a_table),
+ BCM590XX_REG_TABLE(gpldo2, ldo_a_table),
+ BCM590XX_REG_TABLE(gpldo3, ldo_a_table),
+ BCM590XX_REG_TABLE(gpldo4, ldo_a_table),
+ BCM590XX_REG_TABLE(gpldo5, ldo_a_table),
+ BCM590XX_REG_TABLE(gpldo6, ldo_a_table),
};
struct bcm590xx_reg {
@@ -161,6 +204,8 @@ static int bcm590xx_get_vsel_register(int id)
{
if (BCM590XX_REG_IS_LDO(id))
return BCM590XX_RFLDOCTRL + id;
+ else if (BCM590XX_REG_IS_GPLDO(id))
+ return BCM590XX_GPLDO1CTRL + id;
else
return BCM590XX_CSRVOUT1 + (id - BCM590XX_REG_CSR) * 3;
}
@@ -171,6 +216,8 @@ static int bcm590xx_get_enable_register(int id)
if (BCM590XX_REG_IS_LDO(id))
reg = BCM590XX_RFLDOPMCTRL1 + id * 2;
+ else if (BCM590XX_REG_IS_GPLDO(id))
+ reg = BCM590XX_GPLDO1PMCTRL1 + id * 2;
else
switch (id) {
case BCM590XX_REG_CSR:
@@ -191,8 +238,11 @@ static int bcm590xx_get_enable_register(int id)
case BCM590XX_REG_SDSR2:
reg = BCM590XX_SDSR2PMCTRL1;
break;
+ case BCM590XX_REG_VBUS:
+ reg = BCM590XX_OTG_CTRL;
};
+
return reg;
}
@@ -216,6 +266,12 @@ static struct regulator_ops bcm590xx_ops_dcdc = {
.map_voltage = regulator_map_voltage_linear_range,
};
+static struct regulator_ops bcm590xx_ops_vbus = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+};
+
#define BCM590XX_MATCH(_name, _id) \
{ \
.name = #_name, \
@@ -243,6 +299,13 @@ static struct of_regulator_match bcm590xx_matches[] = {
BCM590XX_MATCH(sdsr1, SDSR1),
BCM590XX_MATCH(sdsr2, SDSR2),
BCM590XX_MATCH(vsr, VSR),
+ BCM590XX_MATCH(gpldo1, GPLDO1),
+ BCM590XX_MATCH(gpldo2, GPLDO2),
+ BCM590XX_MATCH(gpldo3, GPLDO3),
+ BCM590XX_MATCH(gpldo4, GPLDO4),
+ BCM590XX_MATCH(gpldo5, GPLDO5),
+ BCM590XX_MATCH(gpldo6, GPLDO6),
+ BCM590XX_MATCH(vbus, VBUS),
};
static struct bcm590xx_board *bcm590xx_parse_dt_reg_data(
@@ -353,17 +416,23 @@ static int bcm590xx_probe(struct platform_device *pdev)
pmu->desc[i].linear_ranges = info->linear_ranges;
pmu->desc[i].n_linear_ranges = info->n_linear_ranges;
- if (BCM590XX_REG_IS_LDO(i)) {
+ if ((BCM590XX_REG_IS_LDO(i)) || (BCM590XX_REG_IS_GPLDO(i))) {
pmu->desc[i].ops = &bcm590xx_ops_ldo;
pmu->desc[i].vsel_mask = BCM590XX_LDO_VSEL_MASK;
- } else {
+ } else if (BCM590XX_REG_IS_VBUS(i))
+ pmu->desc[i].ops = &bcm590xx_ops_vbus;
+ else {
pmu->desc[i].ops = &bcm590xx_ops_dcdc;
pmu->desc[i].vsel_mask = BCM590XX_SR_VSEL_MASK;
}
- pmu->desc[i].vsel_reg = bcm590xx_get_vsel_register(i);
- pmu->desc[i].enable_is_inverted = true;
- pmu->desc[i].enable_mask = BCM590XX_REG_ENABLE;
+ if (BCM590XX_REG_IS_VBUS(i))
+ pmu->desc[i].enable_mask = BCM590XX_VBUS_ENABLE;
+ else {
+ pmu->desc[i].vsel_reg = bcm590xx_get_vsel_register(i);
+ pmu->desc[i].enable_is_inverted = true;
+ pmu->desc[i].enable_mask = BCM590XX_REG_ENABLE;
+ }
pmu->desc[i].enable_reg = bcm590xx_get_enable_register(i);
pmu->desc[i].type = REGULATOR_VOLTAGE;
pmu->desc[i].owner = THIS_MODULE;
@@ -371,7 +440,10 @@ static int bcm590xx_probe(struct platform_device *pdev)
config.dev = bcm590xx->dev;
config.init_data = reg_data;
config.driver_data = pmu;
- config.regmap = bcm590xx->regmap;
+ if (BCM590XX_REG_IS_GPLDO(i) || BCM590XX_REG_IS_VBUS(i))
+ config.regmap = bcm590xx->regmap_sec;
+ else
+ config.regmap = bcm590xx->regmap_pri;
if (bcm590xx_reg_matches)
config.of_node = bcm590xx_reg_matches[i].of_node;
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 9a09f3cdbabb..4c1f999041dd 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -844,13 +844,22 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
/* do we need to apply the constraint voltage */
if (rdev->constraints->apply_uV &&
rdev->constraints->min_uV == rdev->constraints->max_uV) {
- ret = _regulator_do_set_voltage(rdev,
- rdev->constraints->min_uV,
- rdev->constraints->max_uV);
- if (ret < 0) {
- rdev_err(rdev, "failed to apply %duV constraint\n",
- rdev->constraints->min_uV);
- return ret;
+ int current_uV = _regulator_get_voltage(rdev);
+ if (current_uV < 0) {
+ rdev_err(rdev, "failed to get the current voltage\n");
+ return current_uV;
+ }
+ if (current_uV < rdev->constraints->min_uV ||
+ current_uV > rdev->constraints->max_uV) {
+ ret = _regulator_do_set_voltage(
+ rdev, rdev->constraints->min_uV,
+ rdev->constraints->max_uV);
+ if (ret < 0) {
+ rdev_err(rdev,
+ "failed to apply %duV constraint\n",
+ rdev->constraints->min_uV);
+ return ret;
+ }
}
}
@@ -1430,9 +1439,9 @@ EXPORT_SYMBOL_GPL(regulator_get);
*
* Returns a struct regulator corresponding to the regulator producer,
* or IS_ERR() condition containing errno. Other consumers will be
- * unable to obtain this reference is held and the use count for the
- * regulator will be initialised to reflect the current state of the
- * regulator.
+ * unable to obtain this regulator while this reference is held and the
+ * use count for the regulator will be initialised to reflect the current
+ * state of the regulator.
*
* This is intended for use by consumers which cannot tolerate shared
* use of the regulator such as those which need to force the
@@ -1456,10 +1465,7 @@ EXPORT_SYMBOL_GPL(regulator_get_exclusive);
* @id: Supply name or regulator ID.
*
* Returns a struct regulator corresponding to the regulator producer,
- * or IS_ERR() condition containing errno. Other consumers will be
- * unable to obtain this reference is held and the use count for the
- * regulator will be initialised to reflect the current state of the
- * regulator.
+ * or IS_ERR() condition containing errno.
*
* This is intended for use by consumers for devices which can have
* some supplies unconnected in normal use, such as some MMC devices.
@@ -1597,9 +1603,10 @@ EXPORT_SYMBOL_GPL(regulator_unregister_supply_alias);
* registered any aliases that were registered will be removed
* before returning to the caller.
*/
-int regulator_bulk_register_supply_alias(struct device *dev, const char **id,
+int regulator_bulk_register_supply_alias(struct device *dev,
+ const char *const *id,
struct device *alias_dev,
- const char **alias_id,
+ const char *const *alias_id,
int num_id)
{
int i;
@@ -1637,7 +1644,7 @@ EXPORT_SYMBOL_GPL(regulator_bulk_register_supply_alias);
* aliases in one operation.
*/
void regulator_bulk_unregister_supply_alias(struct device *dev,
- const char **id,
+ const char *const *id,
int num_id)
{
int i;
@@ -2321,6 +2328,10 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
regulator_list_voltage_linear)
ret = regulator_map_voltage_linear(rdev,
min_uV, max_uV);
+ else if (rdev->desc->ops->list_voltage ==
+ regulator_list_voltage_linear_range)
+ ret = regulator_map_voltage_linear_range(rdev,
+ min_uV, max_uV);
else
ret = regulator_map_voltage_iterate(rdev,
min_uV, max_uV);
@@ -3447,7 +3458,7 @@ 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 +3600,7 @@ 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);
}
@@ -3819,8 +3831,9 @@ static int __init regulator_init_complete(void)
mutex_lock(&regulator_list_mutex);
/* If we have a full configuration then disable any regulators
- * which are not in use or always_on. This will become the
- * default behaviour in the future.
+ * we have permission to change the status for and which are
+ * not in use or always_on. This is effectively the default
+ * for DT and ACPI as they have full constraints.
*/
list_for_each_entry(rdev, &regulator_list, list) {
ops = rdev->desc->ops;
@@ -3829,6 +3842,9 @@ static int __init regulator_init_complete(void)
if (c && c->always_on)
continue;
+ if (c && !(c->valid_ops_mask & REGULATOR_CHANGE_STATUS))
+ continue;
+
mutex_lock(&rdev->mutex);
if (rdev->use_count)
@@ -3867,4 +3883,4 @@ unlock:
return 0;
}
-late_initcall(regulator_init_complete);
+late_initcall_sync(regulator_init_complete);
diff --git a/drivers/regulator/devres.c b/drivers/regulator/devres.c
index f44818b838dc..8f785bc9e510 100644
--- a/drivers/regulator/devres.c
+++ b/drivers/regulator/devres.c
@@ -360,9 +360,9 @@ EXPORT_SYMBOL_GPL(devm_regulator_unregister_supply_alias);
* will be removed before returning to the caller.
*/
int devm_regulator_bulk_register_supply_alias(struct device *dev,
- const char **id,
+ const char *const *id,
struct device *alias_dev,
- const char **alias_id,
+ const char *const *alias_id,
int num_id)
{
int i;
@@ -404,7 +404,7 @@ EXPORT_SYMBOL_GPL(devm_regulator_bulk_register_supply_alias);
* will ensure that the resource is freed.
*/
void devm_regulator_bulk_unregister_supply_alias(struct device *dev,
- const char **id,
+ const char *const *id,
int num_id)
{
int i;
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index c61f7e97e4f8..354105eff1f8 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -50,7 +50,6 @@ of_get_fixed_voltage_config(struct device *dev)
{
struct fixed_voltage_config *config;
struct device_node *np = dev->of_node;
- const __be32 *delay;
struct regulator_init_data *init_