Document usage of gpio properties which turn on external/GPIO control
over regulator.
Signed-off-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
---
Documentation/devicetree/bindings/mfd/max77686.txt | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt
b/Documentation/devicetree/bindings/mfd/max77686.txt
index f4010a9f66eb..b8013e69da65 100644
--- a/Documentation/devicetree/bindings/mfd/max77686.txt
+++ b/Documentation/devicetree/bindings/mfd/max77686.txt
@@ -22,7 +22,14 @@ Optional node:
Required property:
- compatible : Must be "maxim,max77686-pmic"
- Optional properties: For each regulator use following format:
+ Optional properties:
+ - ldo20-gpio : GPIO to use for LDO20 enable control.
+ - ldo21-gpio : GPIO to use for LDO21 enable control.
+ - ldo22-gpio : GPIO to use for LDO22 enable control.
+ - buck8-gpio : GPIO to use for BUCK8 enable control.
+ - buck9-gpio : GPIO to use for BUCK9 enable control.
+
+ For each regulator use following format:
regulator_name {
regulator-compatible = LDOn/BUCKn
standard regulator constraints....
@@ -42,7 +49,6 @@ to get matched with their hardware counterparts as follow:
-BUCKn : 1-4.
Use standard regulator bindings for it ('regulator-off-in-suspend').
-
Example:
max77686@09 {
@@ -53,6 +59,7 @@ Example:
voltage-regulators {
compatible = "maxim,max77686-pmic";
+ ldo21-gpio = <&gpy2 0 GPIO_ACTIVE_HIGH>;
ldo11_reg {
regulator-compatible = "LDO11";
--
1.9.1
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