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path: root/drivers/regulator/arizona-micsupp.c
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Diffstat (limited to 'drivers/regulator/arizona-micsupp.c')
-rw-r--r--drivers/regulator/arizona-micsupp.c106
1 files changed, 63 insertions, 43 deletions
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index 724706a97dc4..034ece707083 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -28,8 +28,6 @@
#include <linux/mfd/arizona/pdata.h>
#include <linux/mfd/arizona/registers.h>
-#define ARIZONA_MICSUPP_MAX_SELECTOR 0x1f
-
struct arizona_micsupp {
struct regulator_dev *regulator;
struct arizona *arizona;
@@ -40,42 +38,6 @@ struct arizona_micsupp {
struct work_struct check_cp_work;
};
-static int arizona_micsupp_list_voltage(struct regulator_dev *rdev,
- unsigned int selector)
-{
- if (selector > ARIZONA_MICSUPP_MAX_SELECTOR)
- return -EINVAL;
-
- if (selector == ARIZONA_MICSUPP_MAX_SELECTOR)
- return 3300000;
- else
- return (selector * 50000) + 1700000;
-}
-
-static int arizona_micsupp_map_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV)
-{
- unsigned int voltage;
- int selector;
-
- if (min_uV < 1700000)
- min_uV = 1700000;
-
- if (min_uV > 3200000)
- selector = ARIZONA_MICSUPP_MAX_SELECTOR;
- else
- selector = DIV_ROUND_UP(min_uV - 1700000, 50000);
-
- if (selector < 0)
- return -EINVAL;
-
- voltage = arizona_micsupp_list_voltage(rdev, selector);
- if (voltage < min_uV || voltage > max_uV)
- return -EINVAL;
-
- return selector;
-}
-
static void arizona_micsupp_check_cp(struct work_struct *work)
{
struct arizona_micsupp *micsupp =
@@ -145,8 +107,8 @@ static struct regulator_ops arizona_micsupp_ops = {
.disable = arizona_micsupp_disable,
.is_enabled = regulator_is_enabled_regmap,
- .list_voltage = arizona_micsupp_list_voltage,
- .map_voltage = arizona_micsupp_map_voltage,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
@@ -155,11 +117,43 @@ static struct regulator_ops arizona_micsupp_ops = {
.set_bypass = arizona_micsupp_set_bypass,
};
+static const struct regulator_linear_range arizona_micsupp_ranges[] = {
+ REGULATOR_LINEAR_RANGE(1700000, 0, 0x1e, 50000),
+ REGULATOR_LINEAR_RANGE(3300000, 0x1f, 0x1f, 0),
+};
+
static const struct regulator_desc arizona_micsupp = {
.name = "MICVDD",
.supply_name = "CPVDD",
.type = REGULATOR_VOLTAGE,
- .n_voltages = ARIZONA_MICSUPP_MAX_SELECTOR + 1,
+ .n_voltages = 32,
+ .ops = &arizona_micsupp_ops,
+
+ .vsel_reg = ARIZONA_LDO2_CONTROL_1,
+ .vsel_mask = ARIZONA_LDO2_VSEL_MASK,
+ .enable_reg = ARIZONA_MIC_CHARGE_PUMP_1,
+ .enable_mask = ARIZONA_CPMIC_ENA,
+ .bypass_reg = ARIZONA_MIC_CHARGE_PUMP_1,
+ .bypass_mask = ARIZONA_CPMIC_BYPASS,
+
+ .linear_ranges = arizona_micsupp_ranges,
+ .n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ranges),
+
+ .enable_time = 3000,
+
+ .owner = THIS_MODULE,
+};
+
+static const struct regulator_linear_range arizona_micsupp_ext_ranges[] = {
+ REGULATOR_LINEAR_RANGE(900000, 0, 0x14, 25000),
+ REGULATOR_LINEAR_RANGE(1500000, 0x15, 0x27, 100000),
+};
+
+static const struct regulator_desc arizona_micsupp_ext = {
+ .name = "MICVDD",
+ .supply_name = "CPVDD",
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 40,
.ops = &arizona_micsupp_ops,
.vsel_reg = ARIZONA_LDO2_CONTROL_1,
@@ -169,6 +163,9 @@ static const struct regulator_desc arizona_micsupp = {
.bypass_reg = ARIZONA_MIC_CHARGE_PUMP_1,
.bypass_mask = ARIZONA_CPMIC_BYPASS,
+ .linear_ranges = arizona_micsupp_ext_ranges,
+ .n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ext_ranges),
+
.enable_time = 3000,
.owner = THIS_MODULE,
@@ -186,9 +183,22 @@ static const struct regulator_init_data arizona_micsupp_default = {
.num_consumer_supplies = 1,
};
+static const struct regulator_init_data arizona_micsupp_ext_default = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS |
+ REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_BYPASS,
+ .min_uV = 900000,
+ .max_uV = 3300000,
+ },
+
+ .num_consumer_supplies = 1,
+};
+
static int arizona_micsupp_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
+ const struct regulator_desc *desc;
struct regulator_config config = { };
struct arizona_micsupp *micsupp;
int ret;
@@ -207,7 +217,17 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
* default init_data for it. This will be overridden with
* platform data if provided.
*/
- micsupp->init_data = arizona_micsupp_default;
+ switch (arizona->type) {
+ case WM5110:
+ desc = &arizona_micsupp_ext;
+ micsupp->init_data = arizona_micsupp_ext_default;
+ break;
+ default:
+ desc = &arizona_micsupp;
+ micsupp->init_data = arizona_micsupp_default;
+ break;
+ }
+
micsupp->init_data.consumer_supplies = &micsupp->supply;
micsupp->supply.supply = "MICVDD";
micsupp->supply.dev_name = dev_name(arizona->dev);
@@ -226,7 +246,7 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
ARIZONA_CPMIC_BYPASS, 0);
micsupp->regulator = devm_regulator_register(&pdev->dev,
- &arizona_micsupp,
+ desc,
&config);
if (IS_ERR(micsupp->regulator)) {
ret = PTR_ERR(micsupp->regulator);