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-rw-r--r--drivers/regulator/Kconfig9
-rw-r--r--drivers/regulator/Makefile1
-rw-r--r--drivers/regulator/bd9571mwv-regulator.c8
-rw-r--r--drivers/regulator/hi6421v600-regulator.c299
-rw-r--r--drivers/regulator/mt6315-regulator.c4
-rw-r--r--drivers/regulator/pca9450-regulator.c10
-rw-r--r--drivers/regulator/qcom-rpmh-regulator.c6
-rw-r--r--drivers/regulator/qcom_spmi-regulator.c34
-rw-r--r--drivers/regulator/rt4831-regulator.c4
9 files changed, 337 insertions, 38 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 77c43134bc9e..ea1d284741cb 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -422,6 +422,15 @@ config REGULATOR_HI655X
This driver provides support for the voltage regulators of the
Hisilicon Hi655x PMIC device.
+config REGULATOR_HI6421V600
+ tristate "HiSilicon Hi6421v600 PMIC voltage regulator support"
+ depends on MFD_HI6421_SPMI && OF
+ select REGMAP
+ help
+ This driver provides support for the voltage regulators on
+ HiSilicon Hi6421v600 PMU / Codec IC.
+ This is used on Kirin 3670 boards, like HiKey 970.
+
config REGULATOR_ISL9305
tristate "Intersil ISL9305 regulator"
depends on I2C
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 44d2f8bf4b74..11c145886c98 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -49,6 +49,7 @@ obj-$(CONFIG_REGULATOR_FAN53880) += fan53880.o
obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
obj-$(CONFIG_REGULATOR_HI6421) += hi6421-regulator.o
obj-$(CONFIG_REGULATOR_HI6421V530) += hi6421v530-regulator.o
+obj-$(CONFIG_REGULATOR_HI6421V600) += hi6421v600-regulator.o
obj-$(CONFIG_REGULATOR_HI655X) += hi655x-regulator.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_ISL9305) += isl9305.o
diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index 7b0cd08db446..ba020a45f238 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -125,7 +125,7 @@ static const struct regulator_ops vid_ops = {
static const struct regulator_desc regulators[] = {
BD9571MWV_REG("VD09", "vd09", VD09, avs_ops, 0, 0x7f,
- 0x80, 600000, 10000, 0x3c),
+ 0x6f, 600000, 10000, 0x3c),
BD9571MWV_REG("VD18", "vd18", VD18, vid_ops, BD9571MWV_VD18_VID, 0xf,
16, 1625000, 25000, 0),
BD9571MWV_REG("VD25", "vd25", VD25, vid_ops, BD9571MWV_VD25_VID, 0xf,
@@ -134,7 +134,7 @@ static const struct regulator_desc regulators[] = {
11, 2800000, 100000, 0),
BD9571MWV_REG("DVFS", "dvfs", DVFS, reg_ops,
BD9571MWV_DVFS_MONIVDAC, 0x7f,
- 0x80, 600000, 10000, 0x3c),
+ 0x6f, 600000, 10000, 0x3c),
};
#ifdef CONFIG_PM_SLEEP
@@ -174,7 +174,7 @@ static ssize_t backup_mode_show(struct device *dev,
{
struct bd9571mwv_reg *bdreg = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
+ return sysfs_emit(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
}
static ssize_t backup_mode_store(struct device *dev,
@@ -301,7 +301,7 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
&config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register %s regulator\n",
- pdev->name);
+ regulators[i].name);
return PTR_ERR(rdev);
}
}
diff --git a/drivers/regulator/hi6421v600-regulator.c b/drivers/regulator/hi6421v600-regulator.c
new file mode 100644
index 000000000000..f6a14e9c3cbf
--- /dev/null
+++ b/drivers/regulator/hi6421v600-regulator.c
@@ -0,0 +1,299 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Device driver for regulators in Hisi IC
+//
+// Copyright (c) 2013 Linaro Ltd.
+// Copyright (c) 2011 Hisilicon.
+// Copyright (c) 2020-2021 Huawei Technologies Co., Ltd
+//
+// Guodong Xu <guodong.xu@linaro.org>
+
+#include <linux/delay.h>
+#include <linux/mfd/hi6421-spmi-pmic.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/spmi.h>
+
+struct hi6421_spmi_reg_info {
+ struct regulator_desc desc;
+ struct hi6421_spmi_pmic *pmic;
+ u8 eco_mode_mask;
+ u32 eco_uA;
+
+ /* Serialize regulator enable logic */
+ struct mutex enable_mutex;
+};
+
+static const unsigned int ldo3_voltages[] = {
+ 1500000, 1550000, 1600000, 1650000,
+ 1700000, 1725000, 1750000, 1775000,
+ 1800000, 1825000, 1850000, 1875000,
+ 1900000, 1925000, 1950000, 2000000
+};
+
+static const unsigned int ldo4_voltages[] = {
+ 1725000, 1750000, 1775000, 1800000,
+ 1825000, 1850000, 1875000, 1900000
+};
+
+static const unsigned int ldo9_voltages[] = {
+ 1750000, 1800000, 1825000, 2800000,
+ 2850000, 2950000, 3000000, 3300000
+};
+
+static const unsigned int ldo15_voltages[] = {
+ 1800000, 1850000, 2400000, 2600000,
+ 2700000, 2850000, 2950000, 3000000
+};
+
+static const unsigned int ldo17_voltages[] = {
+ 2500000, 2600000, 2700000, 2800000,
+ 3000000, 3100000, 3200000, 3300000
+};
+
+static const unsigned int ldo34_voltages[] = {
+ 2600000, 2700000, 2800000, 2900000,
+ 3000000, 3100000, 3200000, 3300000
+};
+
+/**
+ * HI6421V600_LDO() - specify a LDO power line
+ * @_id: LDO id name string
+ * @vtable: voltage table
+ * @ereg: enable register
+ * @emask: enable mask
+ * @vreg: voltage select register
+ * @odelay: off/on delay time in uS
+ * @etime: enable time in uS
+ * @ecomask: eco mode mask
+ * @ecoamp: eco mode load uppler limit in uA
+ */
+#define HI6421V600_LDO(_id, vtable, ereg, emask, vreg, \
+ odelay, etime, ecomask, ecoamp) \
+ [HI6421V600_##_id] = { \
+ .desc = { \
+ .name = #_id, \
+ .of_match = of_match_ptr(#_id), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .ops = &hi6421_spmi_ldo_rops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = HI6421V600_##_id, \
+ .owner = THIS_MODULE, \
+ .volt_table = vtable, \
+ .n_voltages = ARRAY_SIZE(vtable), \
+ .vsel_mask = (1 << (ARRAY_SIZE(vtable) - 1)) - 1, \
+ .vsel_reg = vreg, \
+ .enable_reg = ereg, \
+ .enable_mask = emask, \
+ .enable_time = etime, \
+ .ramp_delay = etime, \
+ .off_on_delay = odelay, \
+ }, \
+ .eco_mode_mask = ecomask, \
+ .eco_uA = ecoamp, \
+ }
+
+static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
+{
+ struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+ struct hi6421_spmi_pmic *pmic = sreg->pmic;
+ int ret;
+
+ /* cannot enable more than one regulator at one time */
+ mutex_lock(&sreg->enable_mutex);
+
+ ret = regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ rdev->desc->enable_mask);
+
+ /* Avoid powering up multiple devices at the same time */
+ usleep_range(rdev->desc->off_on_delay, rdev->desc->off_on_delay + 60);
+
+ mutex_unlock(&sreg->enable_mutex);
+
+ return ret;
+}
+
+static int hi6421_spmi_regulator_disable(struct regulator_dev *rdev)
+{
+ struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+ struct hi6421_spmi_pmic *pmic = sreg->pmic;
+
+ return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, 0);
+}
+
+static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
+{
+ struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+ struct hi6421_spmi_pmic *pmic = sreg->pmic;
+ u32 reg_val;
+
+ regmap_read(pmic->regmap, rdev->desc->enable_reg, &reg_val);
+
+ if (reg_val & sreg->eco_mode_mask)
+ return REGULATOR_MODE_IDLE;
+
+ return REGULATOR_MODE_NORMAL;
+}
+
+static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+ struct hi6421_spmi_pmic *pmic = sreg->pmic;
+ u32 val;
+
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ val = 0;
+ break;
+ case REGULATOR_MODE_IDLE:
+ val = sreg->eco_mode_mask << (ffs(sreg->eco_mode_mask) - 1);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
+ sreg->eco_mode_mask, val);
+}
+
+static unsigned int
+hi6421_spmi_regulator_get_optimum_mode(struct regulator_dev *rdev,
+ int input_uV, int output_uV,
+ int load_uA)
+{
+ struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+
+ if (!sreg->eco_uA || ((unsigned int)load_uA > sreg->eco_uA))
+ return REGULATOR_MODE_NORMAL;
+
+ return REGULATOR_MODE_IDLE;
+}
+
+static const struct regulator_ops hi6421_spmi_ldo_rops = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = hi6421_spmi_regulator_enable,
+ .disable = hi6421_spmi_regulator_disable,
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_iterate,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_mode = hi6421_spmi_regulator_get_mode,
+ .set_mode = hi6421_spmi_regulator_set_mode,
+ .get_optimum_mode = hi6421_spmi_regulator_get_optimum_mode,
+};
+
+/* HI6421v600 regulators with known registers */
+enum hi6421_spmi_regulator_id {
+ HI6421V600_LDO3,
+ HI6421V600_LDO4,
+ HI6421V600_LDO9,
+ HI6421V600_LDO15,
+ HI6421V600_LDO16,
+ HI6421V600_LDO17,
+ HI6421V600_LDO33,
+ HI6421V600_LDO34,
+};
+
+static struct hi6421_spmi_reg_info regulator_info[] = {
+ HI6421V600_LDO(LDO3, ldo3_voltages,
+ 0x16, 0x01, 0x51,
+ 20000, 120,
+ 0, 0),
+ HI6421V600_LDO(LDO4, ldo4_voltages,
+ 0x17, 0x01, 0x52,
+ 20000, 120,
+ 0x10, 10000),
+ HI6421V600_LDO(LDO9, ldo9_voltages,
+ 0x1c, 0x01, 0x57,
+ 20000, 360,
+ 0x10, 10000),
+ HI6421V600_LDO(LDO15, ldo15_voltages,
+ 0x21, 0x01, 0x5c,
+ 20000, 360,
+ 0x10, 10000),
+ HI6421V600_LDO(LDO16, ldo15_voltages,
+ 0x22, 0x01, 0x5d,
+ 20000, 360,
+ 0x10, 10000),
+ HI6421V600_LDO(LDO17, ldo17_voltages,
+ 0x23, 0x01, 0x5e,
+ 20000, 120,
+ 0x10, 10000),
+ HI6421V600_LDO(LDO33, ldo17_voltages,
+ 0x32, 0x01, 0x6d,
+ 20000, 120,
+ 0, 0),
+ HI6421V600_LDO(LDO34, ldo34_voltages,
+ 0x33, 0x01, 0x6e,
+ 20000, 120,
+ 0, 0),
+};
+
+static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
+{
+ struct device *pmic_dev = pdev->dev.parent;
+ struct regulator_config config = { };
+ struct hi6421_spmi_reg_info *sreg;
+ struct hi6421_spmi_reg_info *info;
+ struct device *dev = &pdev->dev;
+ struct hi6421_spmi_pmic *pmic;
+ struct regulator_dev *rdev;
+ int i;
+
+ /*
+ * This driver is meant to be called by hi6421-spmi-core,
+ * which should first set drvdata. If this doesn't happen, hit
+ * a warn on and return.
+ */
+ pmic = dev_get_drvdata(pmic_dev);
+ if (WARN_ON(!pmic))
+ return -ENODEV;
+
+ sreg = devm_kzalloc(dev, sizeof(*sreg), GFP_KERNEL);
+ if (!sreg)
+ return -ENOMEM;
+
+ sreg->pmic = pmic;
+ mutex_init(&sreg->enable_mutex);
+
+ for (i = 0; i < ARRAY_SIZE(regulator_info); i++) {
+ info = &regulator_info[i];
+
+ config.dev = pdev->dev.parent;
+ config.driver_data = sreg;
+ config.regmap = pmic->regmap;
+
+ rdev = devm_regulator_register(dev, &info->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(dev, "failed to register %s\n",
+ info->desc.name);
+ return PTR_ERR(rdev);
+ }
+ }
+
+ return 0;
+}
+
+static const struct platform_device_id hi6421_spmi_regulator_table[] = {
+ { .name = "hi6421v600-regulator" },
+ {},
+};
+MODULE_DEVICE_TABLE(platform, hi6421_spmi_regulator_table);
+
+static struct platform_driver hi6421_spmi_regulator_driver = {
+ .id_table = hi6421_spmi_regulator_table,
+ .driver = {
+ .name = "hi6421v600-regulator",
+ },
+ .probe = hi6421_spmi_regulator_probe,
+};
+module_platform_driver(hi6421_spmi_regulator_driver);
+
+MODULE_DESCRIPTION("Hi6421v600 SPMI regulator driver");
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/regulator/mt6315-regulator.c b/drivers/regulator/mt6315-regulator.c
index d49a1534d8e9..9edc34981ee0 100644
--- a/drivers/regulator/mt6315-regulator.c
+++ b/drivers/regulator/mt6315-regulator.c
@@ -41,7 +41,7 @@ struct mt6315_chip {
.type = REGULATOR_VOLTAGE, \
.id = _bid, \
.owner = THIS_MODULE, \
- .n_voltages = 0xbf, \
+ .n_voltages = 0xc0, \
.linear_ranges = mt_volt_range1, \
.n_linear_ranges = ARRAY_SIZE(mt_volt_range1), \
.vsel_reg = _vsel, \
@@ -69,7 +69,7 @@ static unsigned int mt6315_map_mode(u32 mode)
case MT6315_BUCK_MODE_LP:
return REGULATOR_MODE_IDLE;
default:
- return -EINVAL;
+ return REGULATOR_MODE_INVALID;
}
}
diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c
index 833d398c6aa2..2f7ee212cb8c 100644
--- a/drivers/regulator/pca9450-regulator.c
+++ b/drivers/regulator/pca9450-regulator.c
@@ -797,6 +797,14 @@ static int pca9450_i2c_probe(struct i2c_client *i2c,
return ret;
}
+ /* Clear PRESET_EN bit in BUCK123_DVS to use DVS registers */
+ ret = regmap_clear_bits(pca9450->regmap, PCA9450_REG_BUCK123_DVS,
+ BUCK123_PRESET_EN);
+ if (ret) {
+ dev_err(&i2c->dev, "Failed to clear PRESET_EN bit: %d\n", ret);
+ return ret;
+ }
+
/* Set reset behavior on assertion of WDOG_B signal */
ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_RESET_CTRL,
WDOG_B_CFG_MASK, WDOG_B_CFG_COLD_LDO12);
@@ -814,7 +822,7 @@ static int pca9450_i2c_probe(struct i2c_client *i2c,
if (IS_ERR(pca9450->sd_vsel_gpio)) {
dev_err(&i2c->dev, "Failed to get SD_VSEL GPIO\n");
- return ret;
+ return PTR_ERR(pca9450->sd_vsel_gpio);
}
dev_info(&i2c->dev, "%s probed.\n",
diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c
index 79a554f1029d..65a108c9121f 100644
--- a/drivers/regulator/qcom-rpmh-regulator.c
+++ b/drivers/regulator/qcom-rpmh-regulator.c
@@ -726,8 +726,8 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps510 = {
static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
- .voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 16000),
- .n_voltages = 5,
+ .voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 235, 16000),
+ .n_voltages = 236,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
};
@@ -901,7 +901,7 @@ static const struct rpmh_vreg_init_data pm8350_vreg_data[] = {
};
static const struct rpmh_vreg_init_data pm8350c_vreg_data[] = {
- RPMH_VREG("smps1", "smp%s1", &pmic5_hfsmps510, "vdd-s1"),
+ RPMH_VREG("smps1", "smp%s1", &pmic5_hfsmps515, "vdd-s1"),
RPMH_VREG("smps2", "smp%s2", &pmic5_ftsmps510, "vdd-s2"),
RPMH_VREG("smps3", "smp%s3", &pmic5_ftsmps510, "vdd-s3"),
RPMH_VREG("smps4", "smp%s4", &pmic5_ftsmps510, "vdd-s4"),
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index e62e1d72d943..c2442d7798ab 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -5,6 +5,7 @@
#include <linux/module.h>
#include <linux/delay.h>
+#include <linux/devm-helpers.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
@@ -1842,7 +1843,10 @@ static int spmi_regulator_of_parse(struct device_node *node,
return ret;
}
- INIT_DELAYED_WORK(&vreg->ocp_work, spmi_regulator_vs_ocp_work);
+ ret = devm_delayed_work_autocancel(dev, &vreg->ocp_work,
+ spmi_regulator_vs_ocp_work);
+ if (ret)
+ return ret;
}
return 0;
@@ -2157,10 +2161,8 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
vreg->regmap = regmap;
if (reg->ocp) {
vreg->ocp_irq = platform_get_irq_byname(pdev, reg->ocp);
- if (vreg->ocp_irq < 0) {
- ret = vreg->ocp_irq;
- goto err;
- }
+ if (vreg->ocp_irq < 0)
+ return vreg->ocp_irq;
}
vreg->desc.id = -1;
vreg->desc.owner = THIS_MODULE;
@@ -2203,8 +2205,7 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
rdev = devm_regulator_register(dev, &vreg->desc, &config);
if (IS_ERR(rdev)) {
dev_err(dev, "failed to register %s\n", name);
- ret = PTR_ERR(rdev);
- goto err;
+ return PTR_ERR(rdev);
}
INIT_LIST_HEAD(&vreg->node);
@@ -2212,24 +2213,6 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
}
return 0;
-
-err:
- list_for_each_entry(vreg, vreg_list, node)
- if (vreg->ocp_irq)
- cancel_delayed_work_sync(&vreg->ocp_work);
- return ret;
-}
-
-static int qcom_spmi_regulator_remove(struct platform_device *pdev)
-{
- struct spmi_regulator *vreg;
- struct list_head *vreg_list = platform_get_drvdata(pdev);
-
- list_for_each_entry(vreg, vreg_list, node)
- if (vreg->ocp_irq)
- cancel_delayed_work_sync(&vreg->ocp_work);
-
- return 0;
}
static struct platform_driver qcom_spmi_regulator_driver = {
@@ -2238,7 +2221,6 @@ static struct platform_driver qcom_spmi_regulator_driver = {
.of_match_table = qcom_spmi_regulator_match,
},
.probe = qcom_spmi_regulator_probe,
- .remove = qcom_spmi_regulator_remove,
};
module_platform_driver(qcom_spmi_regulator_driver);
diff --git a/drivers/regulator/rt4831-regulator.c b/drivers/regulator/rt4831-regulator.c
index 3d4695ded629..e3aaac90d238 100644
--- a/drivers/regulator/rt4831-regulator.c
+++ b/drivers/regulator/rt4831-regulator.c
@@ -153,9 +153,9 @@ static int rt4831_regulator_probe(struct platform_device *pdev)
int i, ret;
regmap = dev_get_regmap(pdev->dev.parent, NULL);
- if (IS_ERR(regmap)) {
+ if (!regmap) {
dev_err(&pdev->dev, "Failed to init regmap\n");
- return PTR_ERR(regmap);
+ return -ENODEV;
}
/* Configure DSV mode to normal by default */
generated by cgit (git 2.34.1) at 2025-04-28 22:52:26 +0000