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-rw-r--r--drivers/regulator/axp20x-regulator.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 943172b19722..db77c72d39a0 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -134,6 +134,11 @@
#define AXP22X_PWR_OUT_DLDO4_MASK BIT_MASK(6)
#define AXP22X_PWR_OUT_ALDO3_MASK BIT_MASK(7)
+#define AXP313A_DCDC1_NUM_VOLTAGES 107
+#define AXP313A_DCDC23_NUM_VOLTAGES 88
+#define AXP313A_DCDC_V_OUT_MASK GENMASK(6, 0)
+#define AXP313A_LDO_V_OUT_MASK GENMASK(4, 0)
+
#define AXP803_PWR_OUT_DCDC1_MASK BIT_MASK(0)
#define AXP803_PWR_OUT_DCDC2_MASK BIT_MASK(1)
#define AXP803_PWR_OUT_DCDC3_MASK BIT_MASK(2)
@@ -638,6 +643,48 @@ static const struct regulator_desc axp22x_drivevbus_regulator = {
.ops = &axp20x_ops_sw,
};
+static const struct linear_range axp313a_dcdc1_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0, 70, 10000),
+ REGULATOR_LINEAR_RANGE(1220000, 71, 87, 20000),
+ REGULATOR_LINEAR_RANGE(1600000, 88, 106, 100000),
+};
+
+static const struct linear_range axp313a_dcdc2_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0, 70, 10000),
+ REGULATOR_LINEAR_RANGE(1220000, 71, 87, 20000),
+};
+
+/*
+ * This is deviating from the datasheet. The values here are taken from the
+ * BSP driver and have been confirmed by measurements.
+ */
+static const struct linear_range axp313a_dcdc3_ranges[] = {
+ REGULATOR_LINEAR_RANGE(500000, 0, 70, 10000),
+ REGULATOR_LINEAR_RANGE(1220000, 71, 102, 20000),
+};
+
+static const struct regulator_desc axp313a_regulators[] = {
+ AXP_DESC_RANGES(AXP313A, DCDC1, "dcdc1", "vin1",
+ axp313a_dcdc1_ranges, AXP313A_DCDC1_NUM_VOLTAGES,
+ AXP313A_DCDC1_CONRTOL, AXP313A_DCDC_V_OUT_MASK,
+ AXP313A_OUTPUT_CONTROL, BIT(0)),
+ AXP_DESC_RANGES(AXP313A, DCDC2, "dcdc2", "vin2",
+ axp313a_dcdc2_ranges, AXP313A_DCDC23_NUM_VOLTAGES,
+ AXP313A_DCDC2_CONRTOL, AXP313A_DCDC_V_OUT_MASK,
+ AXP313A_OUTPUT_CONTROL, BIT(1)),
+ AXP_DESC_RANGES(AXP313A, DCDC3, "dcdc3", "vin3",
+ axp313a_dcdc3_ranges, AXP313A_DCDC23_NUM_VOLTAGES,
+ AXP313A_DCDC3_CONRTOL, AXP313A_DCDC_V_OUT_MASK,
+ AXP313A_OUTPUT_CONTROL, BIT(2)),
+ AXP_DESC(AXP313A, ALDO1, "aldo1", "vin1", 500, 3500, 100,
+ AXP313A_ALDO1_CONRTOL, AXP313A_LDO_V_OUT_MASK,
+ AXP313A_OUTPUT_CONTROL, BIT(3)),
+ AXP_DESC(AXP313A, DLDO1, "dldo1", "vin1", 500, 3500, 100,
+ AXP313A_DLDO1_CONRTOL, AXP313A_LDO_V_OUT_MASK,
+ AXP313A_OUTPUT_CONTROL, BIT(4)),
+ AXP_DESC_FIXED(AXP313A, RTC_LDO, "rtc-ldo", "vin1", 1800),
+};
+
/* DCDC ranges shared with AXP813 */
static const struct linear_range axp803_dcdc234_ranges[] = {
REGULATOR_LINEAR_RANGE(500000,
@@ -1040,6 +1087,15 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
def = 3000;
step = 150;
break;
+ case AXP313A_ID:
+ /* The DCDC PWM frequency seems to be fixed to 3 MHz. */
+ if (dcdcfreq != 0) {
+ dev_err(&pdev->dev,
+ "DCDC frequency on AXP313a is fixed to 3 MHz.\n");
+ return -EINVAL;
+ }
+
+ return 0;
default:
dev_err(&pdev->dev,
"Setting DCDC frequency for unsupported AXP variant\n");
@@ -1232,6 +1288,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
"x-powers,drive-vbus-en");
break;
+ case AXP313A_ID:
+ regulators = axp313a_regulators;
+ nregulators = AXP313A_REG_ID_MAX;
+ break;
case AXP803_ID:
regulators = axp803_regulators;
nregulators = AXP803_REG_ID_MAX;