Merge tag 'rproc-v4.8' of git://github.com/andersson/remoteproc
[deliverable/linux.git] / drivers / regulator / axp20x-regulator.c
index 514a5e8fdbab3e757b470daa6e579ebe489fa0f7..6d9ac76a772fa1b2210e3a4932d9c2647741c325 100644 (file)
@@ -36,6 +36,8 @@
 
 #define AXP20X_FREQ_DCDC_MASK          0x0f
 
+#define AXP22X_MISC_N_VBUSEN_FUNC      BIT(4)
+
 #define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg,   \
                    _vmask, _ereg, _emask, _enable_val, _disable_val)           \
        [_family##_##_id] = {                                                   \
@@ -230,6 +232,73 @@ static const struct regulator_desc axp22x_regulators[] = {
        AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000),
 };
 
+static const struct regulator_desc axp22x_drivevbus_regulator = {
+       .name           = "drivevbus",
+       .supply_name    = "drivevbus",
+       .of_match       = of_match_ptr("drivevbus"),
+       .regulators_node = of_match_ptr("regulators"),
+       .type           = REGULATOR_VOLTAGE,
+       .owner          = THIS_MODULE,
+       .enable_reg     = AXP20X_VBUS_IPSOUT_MGMT,
+       .enable_mask    = BIT(2),
+       .ops            = &axp20x_ops_sw,
+};
+
+static const struct regulator_linear_range axp809_dcdc4_ranges[] = {
+       REGULATOR_LINEAR_RANGE(600000, 0x0, 0x2f, 20000),
+       REGULATOR_LINEAR_RANGE(1800000, 0x30, 0x38, 100000),
+};
+
+static const struct regulator_linear_range axp809_dldo1_ranges[] = {
+       REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000),
+       REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000),
+};
+
+static const struct regulator_desc axp809_regulators[] = {
+       AXP_DESC(AXP809, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
+                AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(1)),
+       AXP_DESC(AXP809, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
+                AXP22X_DCDC2_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(2)),
+       AXP_DESC(AXP809, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
+                AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
+       AXP_DESC_RANGES(AXP809, DCDC4, "dcdc4", "vin4", axp809_dcdc4_ranges,
+                       57, AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1,
+                       BIT(4)),
+       AXP_DESC(AXP809, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
+                AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(5)),
+       /* secondary switchable output of DCDC1 */
+       AXP_DESC_SW(AXP809, DC1SW, "dc1sw", NULL, AXP22X_PWR_OUT_CTRL2,
+                   BIT(7)),
+       /* LDO regulator internally chained to DCDC5 */
+       AXP_DESC(AXP809, DC5LDO, "dc5ldo", NULL, 700, 1400, 100,
+                AXP22X_DC5LDO_V_OUT, 0x7, AXP22X_PWR_OUT_CTRL1, BIT(0)),
+       AXP_DESC(AXP809, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
+                AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(6)),
+       AXP_DESC(AXP809, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
+                AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)),
+       AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
+                AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
+       AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp809_dldo1_ranges,
+                       32, AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,
+                       BIT(3)),
+       AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
+                AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(4)),
+       AXP_DESC(AXP809, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
+                AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
+       AXP_DESC(AXP809, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
+                AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
+       AXP_DESC(AXP809, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
+                AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
+       AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3300, 100,
+                   AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
+                   AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+       AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3300, 100,
+                   AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
+                   AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+       AXP_DESC_FIXED(AXP809, RTC_LDO, "rtc_ldo", "ips", 1800),
+       AXP_DESC_SW(AXP809, SW, "sw", "swin", AXP22X_PWR_OUT_CTRL2, BIT(6)),
+};
+
 static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
 {
        struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
@@ -245,6 +314,7 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
                break;
        case AXP221_ID:
        case AXP223_ID:
+       case AXP809_ID:
                min = 1800;
                max = 4050;
                def = 3000;
@@ -324,6 +394,7 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work
 
        case AXP221_ID:
        case AXP223_ID:
+       case AXP809_ID:
                if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5)
                        return -EINVAL;
 
@@ -352,8 +423,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
        };
        int ret, i, nregulators;
        u32 workmode;
-       const char *axp22x_dc1_name = axp22x_regulators[AXP22X_DCDC1].name;
-       const char *axp22x_dc5_name = axp22x_regulators[AXP22X_DCDC5].name;
+       const char *dcdc1_name = axp22x_regulators[AXP22X_DCDC1].name;
+       const char *dcdc5_name = axp22x_regulators[AXP22X_DCDC5].name;
+       bool drivevbus = false;
 
        switch (axp20x->variant) {
        case AXP202_ID:
@@ -365,6 +437,12 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
        case AXP223_ID:
                regulators = axp22x_regulators;
                nregulators = AXP22X_REG_ID_MAX;
+               drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
+                                                 "x-powers,drive-vbus-en");
+               break;
+       case AXP809_ID:
+               regulators = axp809_regulators;
+               nregulators = AXP809_REG_ID_MAX;
                break;
        default:
                dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
@@ -388,22 +466,22 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
                 * part of this loop to see where we save the DT defined
                 * name.
                 */
-               if (regulators == axp22x_regulators) {
-                       if (i == AXP22X_DC1SW) {
-                               new_desc = devm_kzalloc(&pdev->dev,
-                                                       sizeof(*desc),
-                                                       GFP_KERNEL);
-                               *new_desc = regulators[i];
-                               new_desc->supply_name = axp22x_dc1_name;
-                               desc = new_desc;
-                       } else if (i == AXP22X_DC5LDO) {
-                               new_desc = devm_kzalloc(&pdev->dev,
-                                                       sizeof(*desc),
-                                                       GFP_KERNEL);
-                               *new_desc = regulators[i];
-                               new_desc->supply_name = axp22x_dc5_name;
-                               desc = new_desc;
-                       }
+               if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) ||
+                   (regulators == axp809_regulators && i == AXP809_DC1SW)) {
+                       new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
+                                               GFP_KERNEL);
+                       *new_desc = regulators[i];
+                       new_desc->supply_name = dcdc1_name;
+                       desc = new_desc;
+               }
+
+               if ((regulators == axp22x_regulators && i == AXP22X_DC5LDO) ||
+                   (regulators == axp809_regulators && i == AXP809_DC5LDO)) {
+                       new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
+                                               GFP_KERNEL);
+                       *new_desc = regulators[i];
+                       new_desc->supply_name = dcdc5_name;
+                       desc = new_desc;
                }
 
                rdev = devm_regulator_register(&pdev->dev, desc, &config);
@@ -426,16 +504,29 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
                /*
                 * Save AXP22X DCDC1 / DCDC5 regulator names for later.
                 */
-               if (regulators == axp22x_regulators) {
-                       /* Can we use rdev->constraints->name instead? */
-                       if (i == AXP22X_DCDC1)
-                               of_property_read_string(rdev->dev.of_node,
-                                                       "regulator-name",
-                                                       &axp22x_dc1_name);
-                       else if (i == AXP22X_DCDC5)
-                               of_property_read_string(rdev->dev.of_node,
-                                                       "regulator-name",
-                                                       &axp22x_dc5_name);
+               if ((regulators == axp22x_regulators && i == AXP22X_DCDC1) ||
+                   (regulators == axp809_regulators && i == AXP809_DCDC1))
+                       of_property_read_string(rdev->dev.of_node,
+                                               "regulator-name",
+                                               &dcdc1_name);
+
+               if ((regulators == axp22x_regulators && i == AXP22X_DCDC5) ||
+                   (regulators == axp809_regulators && i == AXP809_DCDC5))
+                       of_property_read_string(rdev->dev.of_node,
+                                               "regulator-name",
+                                               &dcdc5_name);
+       }
+
+       if (drivevbus) {
+               /* Change N_VBUSEN sense pin to DRIVEVBUS output pin */
+               regmap_update_bits(axp20x->regmap, AXP20X_OVER_TMP,
+                                  AXP22X_MISC_N_VBUSEN_FUNC, 0);
+               rdev = devm_regulator_register(&pdev->dev,
+                                              &axp22x_drivevbus_regulator,
+                                              &config);
+               if (IS_ERR(rdev)) {
+                       dev_err(&pdev->dev, "Failed to register drivevbus\n");
+                       return PTR_ERR(rdev);
                }
        }
 
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