[PATCH v3 02/14] mfd/regulator: dt-bindings: max77686: Document of_compatible for regulator

[Krzysztof Kozlowski]

Document new required property for regulator driver: of_compatible. The
property allows MFD core to bind the driver to node with regulators and
this simplifies parsing regulators init data from DTS

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/mfd/max77686.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt
index 75fdfaf41831..f4010a9f66eb 100644
--- a/Documentation/devicetree/bindings/mfd/max77686.txt
+++ b/Documentation/devicetree/bindings/mfd/max77686.txt
@@ -18,8 +18,11 @@ Required properties:
 
 Optional node:
 - voltage-regulators : The regulators of max77686 have to be instantiated
-  under subnode named "voltage-regulators" using the following format.
+  under subnode named "voltage-regulators".
+  Required property:
+  - compatible : Must be "maxim,max77686-pmic"
 
+  Optional properties: For each regulator use following format:
 	regulator_name {
 		regulator-compatible = LDOn/BUCKn
 		standard regulator constraints....
@@ -49,6 +52,8 @@ Example:
 		reg = <0x09>;
 
 		voltage-regulators {
+			compatible = "maxim,max77686-pmic";
+
 			ldo11_reg {
 				regulator-compatible = "LDO11";
 				regulator-name = "vdd_ldo11";
-- 
1.9.1

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