2 files changed, 129 insertions, 3 deletions

diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index d184aa35abcb..739faf99b9e2 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -34,6 +34,108 @@ struct arizona_ldo1 {
 	struct regulator_init_data init_data;
 };
 
+static int arizona_ldo1_hc_list_voltage(struct regulator_dev *rdev,
+					unsigned int selector)
+{
+	if (selector >= rdev->desc->n_voltages)
+		return -EINVAL;
+
+	if (selector == rdev->desc->n_voltages - 1)
+		return 1800000;
+	else
+		return rdev->desc->min_uV + (rdev->desc->uV_step * selector);
+}
+
+static int arizona_ldo1_hc_map_voltage(struct regulator_dev *rdev,
+				       int min_uV, int max_uV)
+{
+	int sel;
+
+	sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
+	if (sel >= rdev->desc->n_voltages)
+		sel = rdev->desc->n_voltages - 1;
+
+	return sel;
+}
+
+static int arizona_ldo1_hc_set_voltage_sel(struct regulator_dev *rdev,
+					   unsigned sel)
+{
+	struct arizona_ldo1 *ldo = rdev_get_drvdata(rdev);
+	struct regmap *regmap = ldo->arizona->regmap;
+	unsigned int val;
+	int ret;
+
+	if (sel == rdev->desc->n_voltages - 1)
+		val = ARIZONA_LDO1_HI_PWR;
+	else
+		val = 0;
+
+	ret = regmap_update_bits(regmap, ARIZONA_LDO1_CONTROL_2,
+				 ARIZONA_LDO1_HI_PWR, val);
+	if (ret != 0)
+		return ret;
+
+	ret = regmap_update_bits(regmap, ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
+				 ARIZONA_SUBSYS_MAX_FREQ, val);
+	if (ret != 0)
+		return ret;
+
+	if (val)
+		return 0;
+
+	val = sel << ARIZONA_LDO1_VSEL_SHIFT;
+
+	return regmap_update_bits(regmap, ARIZONA_LDO1_CONTROL_1,
+				  ARIZONA_LDO1_VSEL_MASK, val);
+}
+
+static int arizona_ldo1_hc_get_voltage_sel(struct regulator_dev *rdev)
+{
+	struct arizona_ldo1 *ldo = rdev_get_drvdata(rdev);
+	struct regmap *regmap = ldo->arizona->regmap;
+	unsigned int val;
+	int ret;
+
+	ret = regmap_read(regmap, ARIZONA_LDO1_CONTROL_2, &val);
+	if (ret != 0)
+		return ret;
+
+	if (val & ARIZONA_LDO1_HI_PWR)
+		return rdev->desc->n_voltages - 1;
+
+	ret = regmap_read(regmap, ARIZONA_LDO1_CONTROL_1, &val);
+	if (ret != 0)
+		return ret;
+
+	return (val & ARIZONA_LDO1_VSEL_MASK) >> ARIZONA_LDO1_VSEL_SHIFT;
+}
+
+static struct regulator_ops arizona_ldo1_hc_ops = {
+	.list_voltage = arizona_ldo1_hc_list_voltage,
+	.map_voltage = arizona_ldo1_hc_map_voltage,
+	.get_voltage_sel = arizona_ldo1_hc_get_voltage_sel,
+	.set_voltage_sel = arizona_ldo1_hc_set_voltage_sel,
+	.get_bypass = regulator_get_bypass_regmap,
+	.set_bypass = regulator_set_bypass_regmap,
+};
+
+static const struct regulator_desc arizona_ldo1_hc = {
+	.name = "LDO1",
+	.supply_name = "LDOVDD",
+	.type = REGULATOR_VOLTAGE,
+	.ops = &arizona_ldo1_hc_ops,
+
+	.bypass_reg = ARIZONA_LDO1_CONTROL_1,
+	.bypass_mask = ARIZONA_LDO1_BYPASS,
+	.min_uV = 900000,
+	.uV_step = 50000,
+	.n_voltages = 8,
+	.enable_time = 500,
+
+	.owner = THIS_MODULE,
+};
+
 static struct regulator_ops arizona_ldo1_ops = {
 	.list_voltage = regulator_list_voltage_linear,
 	.map_voltage = regulator_map_voltage_linear,
@@ -55,11 +157,22 @@ static const struct regulator_desc arizona_ldo1 = {
 	.bypass_mask = ARIZONA_LDO1_BYPASS,
 	.min_uV = 900000,
 	.uV_step = 50000,
-	.n_voltages = 6,
+	.n_voltages = 7,
+	.enable_time = 500,
 
 	.owner = THIS_MODULE,
 };
 
+static const struct regulator_init_data arizona_ldo1_dvfs = {
+	.constraints = {
+		.min_uV = 1200000,
+		.max_uV = 1800000,
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS |
+				  REGULATOR_CHANGE_VOLTAGE,
+	},
+	.num_consumer_supplies = 1,
+};
+
 static const struct regulator_init_data arizona_ldo1_default = {
 	.constraints = {
 		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
@@ -70,6 +183,7 @@ static const struct regulator_init_data arizona_ldo1_default = {
 static __devinit int arizona_ldo1_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_ldo1 *ldo1;
 	int ret;
@@ -87,7 +201,17 @@ static __devinit int arizona_ldo1_probe(struct platform_device *pdev)
 	 * default init_data for it.  This will be overridden with
 	 * platform data if provided.
 	 */
-	ldo1->init_data = arizona_ldo1_default;
+	switch (arizona->type) {
+	case WM5102:
+		desc = &arizona_ldo1_hc;
+		ldo1->init_data = arizona_ldo1_dvfs;
+		break;
+	default:
+		desc = &arizona_ldo1;
+		ldo1->init_data = arizona_ldo1_default;
+		break;
+	}
+
 	ldo1->init_data.consumer_supplies = &ldo1->supply;
 	ldo1->supply.supply = "DCVDD";
 	ldo1->supply.dev_name = dev_name(arizona->dev);
@@ -102,7 +226,7 @@ static __devinit int arizona_ldo1_probe(struct platform_device *pdev)
 	else
 		config.init_data = &ldo1->init_data;
 
-	ldo1->regulator = regulator_register(&arizona_ldo1, &config);
+	ldo1->regulator = regulator_register(desc, &config);
 	if (IS_ERR(ldo1->regulator)) {
 		ret = PTR_ERR(ldo1->regulator);
 		dev_err(arizona->dev, "Failed to register LDO1 supply: %d\n",
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index d9b1f82cc5bd..93d0604e64b4 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -101,6 +101,8 @@ static const struct regulator_desc arizona_micsupp = {
 	.bypass_reg = ARIZONA_MIC_CHARGE_PUMP_1,
 	.bypass_mask = ARIZONA_CPMIC_BYPASS,
 
+	.enable_time = 3000,
+
 	.owner = THIS_MODULE,
 };