[PATCH v3 1/3] regulator: axp20x: add drivevbus support for axp803

Jagan Teki
2017-12-11T16:56:38Z

Like axp221, axp223, axp813 the axp803 is also supporting external
regulator to drive the OTG VBus through N_VBUSEN PMIC pin.

Add support for it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes for v3:
- Update drivevbus in table of regulators

Documentation/devicetree/bindings/mfd/axp20x.txt | 3 ++-
drivers/regulator/axp20x-regulator.c | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 9455503..d1762f3 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -43,7 +43,7 @@ Optional properties:
regulator to drive the OTG VBus, rather then
as an input pin which signals whether the
board is driving OTG VBus or not.
- (axp221 / axp223 / axp813 only)
+ (axp221 / axp223 / axp803/ axp813 only)

- x-powers,master-mode: Boolean (axp806 only). Set this when the PMIC is
wired for master mode. The default is slave mode.
@@ -132,6 +132,7 @@ FLDO2 : LDO : fldoin-supply : shared supply
LDO_IO0 : LDO : ips-supply : GPIO 0
LDO_IO1 : LDO : ips-supply : GPIO 1
RTC_LDO : LDO : ips-supply : always on
+DRIVEVBUS : Enable output : drivevbus-supply : external regulator

AXP806 regulators, type, and corresponding input supply names:

diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 181622b..91b8ff8 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -721,6 +721,8 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
case AXP803_ID:
regulators = axp803_regulators;
nregulators = AXP803_REG_ID_MAX;
+ drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
+ "x-powers,drive-vbus-en");
break;
case AXP806_ID:
regulators = axp806_regulators;
--
2.7.4