Merge remote-tracking branch 'regulator/topic/max77686' into regulator-next

1 files changed, 155 insertions, 9 deletions

diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c
index cb99e9031a64..b85040caaea3 100644
--- a/drivers/regulator/max77686.c
+++ b/drivers/regulator/max77686.c
@@ -67,8 +67,94 @@ enum max77686_ramp_rate {
 
 struct max77686_data {
         struct regulator_dev *rdev[MAX77686_REGULATORS];
+        unsigned int opmode[MAX77686_REGULATORS];
 };
 
+/* Some BUCKS supports Normal[ON/OFF] mode during suspend */
+static int max77686_buck_set_suspend_disable(struct regulator_dev *rdev)
+{
+        unsigned int val;
+        struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+
+        if (rdev->desc->id == MAX77686_BUCK1)
+                val = 0x1;
+        else
+                val = 0x1 << MAX77686_OPMODE_BUCK234_SHIFT;
+
+        max77686->opmode[rdev->desc->id] = val;
+        return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+                                  rdev->desc->enable_mask,
+                                  val);
+}
+
+/* Some LDOs supports [LPM/Normal]ON mode during suspend state */
+static int max77686_set_suspend_mode(struct regulator_dev *rdev,
+                                     unsigned int mode)
+{
+        struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+        unsigned int val;
+
+        /* BUCK[5-9] doesn't support this feature */
+        if (rdev->desc->id >= MAX77686_BUCK5)
+                return 0;
+
+        switch (mode) {
+        case REGULATOR_MODE_IDLE:                       /* ON in LP Mode */
+                val = 0x2 << MAX77686_OPMODE_SHIFT;
+                break;
+        case REGULATOR_MODE_NORMAL:                     /* ON in Normal Mode */
+                val = 0x3 << MAX77686_OPMODE_SHIFT;
+                break;
+        default:
+                pr_warn("%s: regulator_suspend_mode : 0x%x not supported\n",
+                        rdev->desc->name, mode);
+                return -EINVAL;
+        }
+
+        max77686->opmode[rdev->desc->id] = val;
+        return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+                                  rdev->desc->enable_mask,
+                                  val);
+}
+
+/* Some LDOs supports LPM-ON/OFF/Normal-ON mode during suspend state */
+static int max77686_ldo_set_suspend_mode(struct regulator_dev *rdev,
+                                     unsigned int mode)
+{
+        unsigned int val;
+        struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+
+        switch (mode) {
+        case REGULATOR_MODE_STANDBY:                    /* switch off */
+                val = 0x1 << MAX77686_OPMODE_SHIFT;
+                break;
+        case REGULATOR_MODE_IDLE:                       /* ON in LP Mode */
+                val = 0x2 << MAX77686_OPMODE_SHIFT;
+                break;
+        case REGULATOR_MODE_NORMAL:                     /* ON in Normal Mode */
+                val = 0x3 << MAX77686_OPMODE_SHIFT;
+                break;
+        default:
+                pr_warn("%s: regulator_suspend_mode : 0x%x not supported\n",
+                        rdev->desc->name, mode);
+                return -EINVAL;
+        }
+
+        max77686->opmode[rdev->desc->id] = val;
+        return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+                                  rdev->desc->enable_mask,
+                                  val);
+}
+
+static int max77686_enable(struct regulator_dev *rdev)
+{
+        struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+
+        return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+                                  rdev->desc->enable_mask,
+                                  max77686->opmode[rdev->desc->id]);
+}
+
 static int max77686_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 {
         unsigned int ramp_value = RAMP_RATE_NO_CTRL;
@@ -98,23 +184,49 @@ static struct regulator_ops max77686_ops = {
         .list_voltage           = regulator_list_voltage_linear,
         .map_voltage            = regulator_map_voltage_linear,
         .is_enabled             = regulator_is_enabled_regmap,
-        .enable                 = regulator_enable_regmap,
+        .enable                 = max77686_enable,
+        .disable                = regulator_disable_regmap,
+        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
+        .set_voltage_sel        = regulator_set_voltage_sel_regmap,
+        .set_voltage_time_sel   = regulator_set_voltage_time_sel,
+        .set_suspend_mode       = max77686_set_suspend_mode,
+};
+
+static struct regulator_ops max77686_ldo_ops = {
+        .list_voltage           = regulator_list_voltage_linear,
+        .map_voltage            = regulator_map_voltage_linear,
+        .is_enabled             = regulator_is_enabled_regmap,
+        .enable                 = max77686_enable,
         .disable                = regulator_disable_regmap,
         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
+        .set_suspend_mode       = max77686_ldo_set_suspend_mode,
+};
+
+static struct regulator_ops max77686_buck1_ops = {
+        .list_voltage           = regulator_list_voltage_linear,
+        .map_voltage            = regulator_map_voltage_linear,
+        .is_enabled             = regulator_is_enabled_regmap,
+        .enable                 = max77686_enable,
+        .disable                = regulator_disable_regmap,
+        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
+        .set_voltage_sel        = regulator_set_voltage_sel_regmap,
+        .set_voltage_time_sel   = regulator_set_voltage_time_sel,
+        .set_suspend_disable    = max77686_buck_set_suspend_disable,
 };
 
 static struct regulator_ops max77686_buck_dvs_ops = {
         .list_voltage           = regulator_list_voltage_linear,
         .map_voltage            = regulator_map_voltage_linear,
         .is_enabled             = regulator_is_enabled_regmap,
-        .enable                 = regulator_enable_regmap,
+        .enable                 = max77686_enable,
         .disable                = regulator_disable_regmap,
         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
         .set_voltage_time_sel   = regulator_set_voltage_time_sel,
         .set_ramp_delay         = max77686_set_ramp_delay,
+        .set_suspend_disable    = max77686_buck_set_suspend_disable,
 };
 
 #define regulator_desc_ldo(num)         {                               \
@@ -133,9 +245,41 @@ static struct regulator_ops max77686_buck_dvs_ops = {
         .enable_mask    = MAX77686_OPMODE_MASK                          \
                         << MAX77686_OPMODE_SHIFT,                       \
 }
+#define regulator_desc_lpm_ldo(num)     {                               \
+        .name           = "LDO"#num,                                    \
+        .id             = MAX77686_LDO##num,                            \
+        .ops            = &max77686_ldo_ops,                            \
+        .type           = REGULATOR_VOLTAGE,                            \
+        .owner          = THIS_MODULE,                                  \
+        .min_uV         = MAX77686_LDO_MINUV,                           \
+        .uV_step        = MAX77686_LDO_UVSTEP,                          \
+        .ramp_delay     = MAX77686_RAMP_DELAY,                          \
+        .n_voltages     = MAX77686_VSEL_MASK + 1,                       \
+        .vsel_reg       = MAX77686_REG_LDO1CTRL1 + num - 1,             \
+        .vsel_mask      = MAX77686_VSEL_MASK,                           \
+        .enable_reg     = MAX77686_REG_LDO1CTRL1 + num - 1,             \
+        .enable_mask    = MAX77686_OPMODE_MASK                          \
+                        << MAX77686_OPMODE_SHIFT,                       \
+}
 #define regulator_desc_ldo_low(num)             {                       \
         .name           = "LDO"#num,                                    \
         .id             = MAX77686_LDO##num,                            \
+        .ops            = &max77686_ldo_ops,                            \
+        .type           = REGULATOR_VOLTAGE,                            \
+        .owner          = THIS_MODULE,                                  \
+        .min_uV         = MAX77686_LDO_LOW_MINUV,                       \
+        .uV_step        = MAX77686_LDO_LOW_UVSTEP,                      \
+        .ramp_delay     = MAX77686_RAMP_DELAY,                          \
+        .n_voltages     = MAX77686_VSEL_MASK + 1,                       \
+        .vsel_reg       = MAX77686_REG_LDO1CTRL1 + num - 1,             \
+        .vsel_mask      = MAX77686_VSEL_MASK,                           \
+        .enable_reg     = MAX77686_REG_LDO1CTRL1 + num - 1,             \
+        .enable_mask    = MAX77686_OPMODE_MASK                          \
+                        << MAX77686_OPMODE_SHIFT,                       \
+}
+#define regulator_desc_ldo1_low(num)            {                       \
+        .name           = "LDO"#num,                                    \
+        .id             = MAX77686_LDO##num,                            \
         .ops            = &max77686_ops,                                \
         .type           = REGULATOR_VOLTAGE,                            \
         .owner          = THIS_MODULE,                                  \
@@ -167,7 +311,7 @@ static struct regulator_ops max77686_buck_dvs_ops = {
 #define regulator_desc_buck1(num)               {                       \
         .name           = "BUCK"#num,                                   \
         .id             = MAX77686_BUCK##num,                           \
-        .ops            = &max77686_ops,                                \
+        .ops            = &max77686_buck1_ops,                          \
         .type           = REGULATOR_VOLTAGE,                            \
         .owner          = THIS_MODULE,                                  \
         .min_uV         = MAX77686_BUCK_MINUV,                          \
@@ -197,7 +341,7 @@ static struct regulator_ops max77686_buck_dvs_ops = {
 }
 
 static struct regulator_desc regulators[] = {
-        regulator_desc_ldo_low(1),
+        regulator_desc_ldo1_low(1),
         regulator_desc_ldo_low(2),
         regulator_desc_ldo(3),
         regulator_desc_ldo(4),
@@ -206,13 +350,13 @@ static struct regulator_desc regulators[] = {
         regulator_desc_ldo_low(7),
         regulator_desc_ldo_low(8),
         regulator_desc_ldo(9),
-        regulator_desc_ldo(10),
-        regulator_desc_ldo(11),
-        regulator_desc_ldo(12),
+        regulator_desc_lpm_ldo(10),
+        regulator_desc_lpm_ldo(11),
+        regulator_desc_lpm_ldo(12),
         regulator_desc_ldo(13),
-        regulator_desc_ldo(14),
+        regulator_desc_lpm_ldo(14),
         regulator_desc_ldo_low(15),
-        regulator_desc_ldo(16),
+        regulator_desc_lpm_ldo(16),
         regulator_desc_ldo(17),
         regulator_desc_ldo(18),
         regulator_desc_ldo(19),
@@ -314,12 +458,14 @@ static int max77686_pmic_probe(struct platform_device *pdev)
 
         config.dev = &pdev->dev;
         config.regmap = iodev->regmap;
+        config.driver_data = max77686;
         platform_set_drvdata(pdev, max77686);
 
         for (i = 0; i < MAX77686_REGULATORS; i++) {
                 config.init_data = pdata->regulators[i].initdata;
                 config.of_node = pdata->regulators[i].of_node;
 
+                max77686->opmode[i] = regulators[i].enable_mask;
                 max77686->rdev[i] = regulator_register(&regulators[i], &config);
                 if (IS_ERR(max77686->rdev[i])) {
                         ret = PTR_ERR(max77686->rdev[i]);