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-rw-r--r--drivers/regulator/88pm800.c4
-rw-r--r--drivers/regulator/88pm8607.c8
-rw-r--r--drivers/regulator/aat2870-regulator.c1
-rw-r--r--drivers/regulator/act8865-regulator.c21
-rw-r--r--drivers/regulator/anatop-regulator.c124
-rw-r--r--drivers/regulator/arizona-ldo1.c11
-rw-r--r--drivers/regulator/arizona-micsupp.c4
-rw-r--r--drivers/regulator/as3711-regulator.c15
-rw-r--r--drivers/regulator/as3722-regulator.c1
9 files changed, 130 insertions, 59 deletions
diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c
index d333f7eac106..7a721d67e6ac 100644
--- a/drivers/regulator/88pm800.c
+++ b/drivers/regulator/88pm800.c
@@ -310,10 +310,8 @@ static int pm800_regulator_probe(struct platform_device *pdev)
pm800_data = devm_kzalloc(&pdev->dev, sizeof(*pm800_data),
GFP_KERNEL);
- if (!pm800_data) {
- dev_err(&pdev->dev, "Failed to allocate pm800_regualtors");
+ if (!pm800_data)
return -ENOMEM;
- }
pm800_data->map = chip->subchip->regmap_power;
pm800_data->chip = chip;
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index f704d83c93c4..337634ad0562 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -2,7 +2,7 @@
* Regulators driver for Marvell 88PM8607
*
* Copyright (C) 2009 Marvell International Ltd.
- * Haojian Zhuang <haojian.zhuang@marvell.com>
+ * Haojian Zhuang <haojian.zhuang@marvell.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -78,7 +78,7 @@ static const unsigned int BUCK2_suspend_table[] = {
};
static const unsigned int BUCK3_table[] = {
- 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
+ 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
@@ -89,7 +89,7 @@ static const unsigned int BUCK3_table[] = {
};
static const unsigned int BUCK3_suspend_table[] = {
- 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
+ 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
@@ -322,7 +322,7 @@ static int pm8607_regulator_dt_init(struct platform_device *pdev,
nproot = of_node_get(pdev->dev.parent->of_node);
if (!nproot)
return -ENODEV;
- nproot = of_find_node_by_name(nproot, "regulators");
+ nproot = of_get_child_by_name(nproot, "regulators");
if (!nproot) {
dev_err(&pdev->dev, "failed to find regulators node\n");
return -ENODEV;
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
index f70a9bfa5ff2..c873ee0082cf 100644
--- a/drivers/regulator/aat2870-regulator.c
+++ b/drivers/regulator/aat2870-regulator.c
@@ -99,6 +99,7 @@ static int aat2870_ldo_is_enabled(struct regulator_dev *rdev)
static struct regulator_ops aat2870_ldo_ops = {
.list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_ascend,
.set_voltage_sel = aat2870_ldo_set_voltage_sel,
.get_voltage_sel = aat2870_ldo_get_voltage_sel,
.enable = aat2870_ldo_enable,
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 084cc0819a52..b92d7dd01a18 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -62,7 +62,6 @@
#define ACT8865_VOLTAGE_NUM 64
struct act8865 {
- struct regulator_dev *rdev[ACT8865_REG_NUM];
struct regmap *regmap;
};
@@ -213,7 +212,7 @@ static int act8865_pdata_from_dt(struct device *dev,
struct device_node *np;
struct act8865_regulator_data *regulator;
- np = of_find_node_by_name(dev->of_node, "regulators");
+ np = of_get_child_by_name(dev->of_node, "regulators");
if (!np) {
dev_err(dev, "missing 'regulators' subnode in DT\n");
return -EINVAL;
@@ -221,17 +220,15 @@ static int act8865_pdata_from_dt(struct device *dev,
matched = of_regulator_match(dev, np,
act8865_matches, ARRAY_SIZE(act8865_matches));
+ of_node_put(np);
if (matched <= 0)
return matched;
pdata->regulators = devm_kzalloc(dev,
sizeof(struct act8865_regulator_data) *
ARRAY_SIZE(act8865_matches), GFP_KERNEL);
- if (!pdata->regulators) {
- dev_err(dev, "%s: failed to allocate act8865 registor\n",
- __func__);
+ if (!pdata->regulators)
return -ENOMEM;
- }
pdata->num_regulators = matched;
regulator = pdata->regulators;
@@ -258,7 +255,7 @@ static inline int act8865_pdata_from_dt(struct device *dev,
static int act8865_pmic_probe(struct i2c_client *client,
const struct i2c_device_id *i2c_id)
{
- struct regulator_dev **rdev;
+ struct regulator_dev *rdev;
struct device *dev = &client->dev;
struct act8865_platform_data *pdata = dev_get_platdata(dev);
struct regulator_config config = { };
@@ -292,8 +289,6 @@ static int act8865_pmic_probe(struct i2c_client *client,
if (!act8865)
return -ENOMEM;
- rdev = act8865->rdev;
-
act8865->regmap = devm_regmap_init_i2c(client, &act8865_regmap_config);
if (IS_ERR(act8865->regmap)) {
error = PTR_ERR(act8865->regmap);
@@ -313,12 +308,12 @@ static int act8865_pmic_probe(struct i2c_client *client,
config.driver_data = act8865;
config.regmap = act8865->regmap;
- rdev[i] = devm_regulator_register(&client->dev,
- &act8865_reg[i], &config);
- if (IS_ERR(rdev[i])) {
+ rdev = devm_regulator_register(&client->dev, &act8865_reg[i],
+ &config);
+ if (IS_ERR(rdev)) {
dev_err(dev, "failed to register %s\n",
act8865_reg[id].name);
- return PTR_ERR(rdev[i]);
+ return PTR_ERR(rdev);
}
}
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 862e63e451d0..7c397bb81e01 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -34,6 +34,9 @@
#define LDO_RAMP_UP_UNIT_IN_CYCLES 64 /* 64 cycles per step */
#define LDO_RAMP_UP_FREQ_IN_MHZ 24 /* cycle based on 24M OSC */
+#define LDO_POWER_GATE 0x00
+#define LDO_FET_FULL_ON 0x1f
+
struct anatop_regulator {
const char *name;
u32 control_reg;
@@ -48,19 +51,10 @@ struct anatop_regulator {
int max_voltage;
struct regulator_desc rdesc;
struct regulator_init_data *initdata;
+ bool bypass;
+ int sel;
};
-static int anatop_regmap_set_voltage_sel(struct regulator_dev *reg,
- unsigned selector)
-{
- struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
-
- if (!anatop_reg->control_reg)
- return -ENOTSUPP;
-
- return regulator_set_voltage_sel_regmap(reg, selector);
-}
-
static int anatop_regmap_set_voltage_time_sel(struct regulator_dev *reg,
unsigned int old_sel,
unsigned int new_sel)
@@ -87,22 +81,99 @@ static int anatop_regmap_set_voltage_time_sel(struct regulator_dev *reg,
return ret;
}
-static int anatop_regmap_get_voltage_sel(struct regulator_dev *reg)
+static int anatop_regmap_enable(struct regulator_dev *reg)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+ int sel;
- if (!anatop_reg->control_reg)
- return -ENOTSUPP;
+ sel = anatop_reg->bypass ? LDO_FET_FULL_ON : anatop_reg->sel;
+ return regulator_set_voltage_sel_regmap(reg, sel);
+}
+
+static int anatop_regmap_disable(struct regulator_dev *reg)
+{
+ return regulator_set_voltage_sel_regmap(reg, LDO_POWER_GATE);
+}
+
+static int anatop_regmap_is_enabled(struct regulator_dev *reg)
+{
+ return regulator_get_voltage_sel_regmap(reg) != LDO_POWER_GATE;
+}
+
+static int anatop_regmap_core_set_voltage_sel(struct regulator_dev *reg,
+ unsigned selector)
+{
+ struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+ int ret;
+
+ if (anatop_reg->bypass || !anatop_regmap_is_enabled(reg)) {
+ anatop_reg->sel = selector;
+ return 0;
+ }
+
+ ret = regulator_set_voltage_sel_regmap(reg, selector);
+ if (!ret)
+ anatop_reg->sel = selector;
+ return ret;
+}
+
+static int anatop_regmap_core_get_voltage_sel(struct regulator_dev *reg)
+{
+ struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+
+ if (anatop_reg->bypass || !anatop_regmap_is_enabled(reg))
+ return anatop_reg->sel;
return regulator_get_voltage_sel_regmap(reg);
}
+static int anatop_regmap_get_bypass(struct regulator_dev *reg, bool *enable)
+{
+ struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+ int sel;
+
+ sel = regulator_get_voltage_sel_regmap(reg);
+ if (sel == LDO_FET_FULL_ON)
+ WARN_ON(!anatop_reg->bypass);
+ else if (sel != LDO_POWER_GATE)
+ WARN_ON(anatop_reg->bypass);
+
+ *enable = anatop_reg->bypass;
+ return 0;
+}
+
+static int anatop_regmap_set_bypass(struct regulator_dev *reg, bool enable)
+{
+ struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+ int sel;
+
+ if (enable == anatop_reg->bypass)
+ return 0;
+
+ sel = enable ? LDO_FET_FULL_ON : anatop_reg->sel;
+ anatop_reg->bypass = enable;
+
+ return regulator_set_voltage_sel_regmap(reg, sel);
+}
+
static struct regulator_ops anatop_rops = {
- .set_voltage_sel = anatop_regmap_set_voltage_sel,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+};
+
+static struct regulator_ops anatop_core_rops = {
+ .enable = anatop_regmap_enable,
+ .disable = anatop_regmap_disable,
+ .is_enabled = anatop_regmap_is_enabled,
+ .set_voltage_sel = anatop_regmap_core_set_voltage_sel,
.set_voltage_time_sel = anatop_regmap_set_voltage_time_sel,
- .get_voltage_sel = anatop_regmap_get_voltage_sel,
+ .get_voltage_sel = anatop_regmap_core_get_voltage_sel,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
+ .get_bypass = anatop_regmap_get_bypass,
+ .set_bypass = anatop_regmap_set_bypass,
};
static int anatop_regulator_probe(struct platform_device *pdev)
@@ -116,6 +187,7 @@ static int anatop_regulator_probe(struct platform_device *pdev)
struct regulator_init_data *initdata;
struct regulator_config config = { };
int ret = 0;
+ u32 val;
initdata = of_get_regulator_init_data(dev, np);
sreg = devm_kzalloc(dev, sizeof(*sreg), GFP_KERNEL);
@@ -125,7 +197,6 @@ static int anatop_regulator_probe(struct platform_device *pdev)
sreg->name = of_get_property(np, "regulator-name", NULL);
rdesc = &sreg->rdesc;
rdesc->name = sreg->name;
- rdesc->ops = &anatop_rops;
rdesc->type = REGULATOR_VOLTAGE;
rdesc->owner = THIS_MODULE;
@@ -197,6 +268,25 @@ static int anatop_regulator_probe(struct platform_device *pdev)
config.of_node = pdev->dev.of_node;
config.regmap = sreg->anatop;
+ /* Only core regulators have the ramp up delay configuration. */
+ if (sreg->control_reg && sreg->delay_bit_width) {
+ rdesc->ops = &anatop_core_rops;
+
+ ret = regmap_read(config.regmap, rdesc->vsel_reg, &val);
+ if (ret) {
+ dev_err(dev, "failed to read initial state\n");
+ return ret;
+ }
+
+ sreg->sel = (val & rdesc->vsel_mask) >> sreg->vol_bit_shift;
+ if (sreg->sel == LDO_FET_FULL_ON) {
+ sreg->sel = 0;
+ sreg->bypass = true;
+ }
+ } else {
+ rdesc->ops = &anatop_rops;
+ }
+
/* register regulator */
rdev = devm_regulator_register(dev, rdesc, &config);
if (IS_ERR(rdev)) {
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index 4f6c2055f6b2..b1033d30b504 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -153,11 +153,9 @@ static const struct regulator_desc arizona_ldo1 = {
.vsel_reg = ARIZONA_LDO1_CONTROL_1,
.vsel_mask = ARIZONA_LDO1_VSEL_MASK,
- .bypass_reg = ARIZONA_LDO1_CONTROL_1,
- .bypass_mask = ARIZONA_LDO1_BYPASS,
.min_uV = 900000,
- .uV_step = 50000,
- .n_voltages = 7,
+ .uV_step = 25000,
+ .n_voltages = 13,
.enable_time = 500,
.owner = THIS_MODULE,
@@ -189,10 +187,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
int ret;
ldo1 = devm_kzalloc(&pdev->dev, sizeof(*ldo1), GFP_KERNEL);
- if (ldo1 == NULL) {
- dev_err(&pdev->dev, "Unable to allocate private data\n");
+ if (!ldo1)
return -ENOMEM;
- }
ldo1->arizona = arizona;
@@ -203,6 +199,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
*/
switch (arizona->type) {
case WM5102:
+ case WM8997:
desc = &arizona_ldo1_hc;
ldo1->init_data = arizona_ldo1_dvfs;
break;
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index 034ece707083..6fdd9bf6927f 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -204,10 +204,8 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
int ret;
micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL);
- if (micsupp == NULL) {
- dev_err(&pdev->dev, "Unable to allocate private data\n");
+ if (!micsupp)
return -ENOMEM;
- }
micsupp->arizona = arizona;
INIT_WORK(&micsupp->check_cp_work, arizona_micsupp_check_cp);
diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c
index c77a58478cca..b47283f91e2d 100644
--- a/drivers/regulator/as3711-regulator.c
+++ b/drivers/regulator/as3711-regulator.c
@@ -191,7 +191,7 @@ static int as3711_regulator_parse_dt(struct device *dev,
{
struct as3711_regulator_pdata *pdata = dev_get_platdata(dev);
struct device_node *regulators =
- of_find_node_by_name(dev->parent->of_node, "regulators");
+ of_get_child_by_name(dev->parent->of_node, "regulators");
struct of_regulator_match *match;
int ret, i;
@@ -221,7 +221,6 @@ static int as3711_regulator_probe(struct platform_device *pdev)
{
struct as3711_regulator_pdata *pdata = dev_get_platdata(&pdev->dev);
struct as3711 *as3711 = dev_get_drvdata(pdev->dev.parent);
- struct regulator_init_data *reg_data;
struct regulator_config config = {.dev = &pdev->dev,};
struct as3711_regulator *reg = NULL;
struct as3711_regulator *regs;
@@ -246,22 +245,14 @@ static int as3711_regulator_probe(struct platform_device *pdev)
regs = devm_kzalloc(&pdev->dev, AS3711_REGULATOR_NUM *
sizeof(struct as3711_regulator), GFP_KERNEL);
- if (!regs) {
- dev_err(&pdev->dev, "Memory allocation failed exiting..\n");
+ if (!regs)
return -ENOMEM;
- }
for (id = 0, ri = as3711_reg_info; id < AS3711_REGULATOR_NUM; ++id, ri++) {
- reg_data = pdata->init_data[id];
-
- /* No need to register if there is no regulator data */
- if (!reg_data)
- continue;
-
reg = &regs[id];
reg->reg_info = ri;
- config.init_data = reg_data;
+ config.init_data = pdata->init_data[id];
config.driver_data = reg;
config.regmap = as3711->regmap;
config.of_node = of_node[id];
diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c
index 8b17d786cb71..85585219ce82 100644
--- a/drivers/regulator/as3722-regulator.c
+++ b/drivers/regulator/as3722-regulator.c
@@ -719,6 +719,7 @@ static int as3722_get_regulator_dt_data(struct platform_device *pdev,
ret = of_regulator_match(&pdev->dev, np, as3722_regulator_matches,
ARRAY_SIZE(as3722_regulator_matches));
+ of_node_put(np);
if (ret < 0) {
dev_err(&pdev->dev, "Parsing of regulator node failed: %d\n",
ret);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 07:09:21 +0000