[PATCH v4 2/7] regulator: dt-bindings: Document the ena-gpios property

[Krzysztof Kozlowski]

Document new properties for regulators (ena-gpios and
ena-gpio-open-drain) for enabling control over GPIO.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/regulator/regulator.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt
index 4e7ed762b3bb..dad57b3badc7 100644
--- a/Documentation/devicetree/bindings/regulator/regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/regulator.txt
@@ -30,6 +30,10 @@ Optional properties:
 	- regulator-off-in-suspend: regulator should be off in suspend state.
 	- regulator-suspend-microvolt: regulator should be set to this voltage
 	  in suspend.
+- ena-gpios: GPIO to use for enable control. Actual implementation depends
+  on regulator driver. The bindings documentation for given driver describes
+  which regulator actually supports it.
+- ena-gpio-open-drain: GPIO is open drain type.
 
 Deprecated properties:
 - regulator-compatible: If a regulator chip contains multiple
-- 
1.9.1

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