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path: root/drivers/regulator/axp20x-regulator.c
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Diffstat (limited to 'drivers/regulator/axp20x-regulator.c')
-rw-r--r--drivers/regulator/axp20x-regulator.c147
1 files changed, 119 insertions, 28 deletions
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 514a5e8fdbab..6d9ac76a772f 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -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);
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.