Document usage of ena-gpios properties which turn on external/GPIO
control over regulator.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/mfd/max77686.txt | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt
index 75fdfaf41831..93c4cd07ffc8 100644
--- a/Documentation/devicetree/bindings/mfd/max77686.txt
+++ b/Documentation/devicetree/bindings/mfd/max77686.txt
@@ -37,8 +37,12 @@ to get matched with their hardware counterparts as follow:
Regulators which can be turned off during system suspend:
-LDOn : 2, 6-8, 10-12, 14-16,
-BUCKn : 1-4.
- Use standard regulator bindings for it ('regulator-off-in-suspend').
+ Regulators which can be configured for GPIO enable control:
+ -LDOn : 20, 21, 22
+ -BUCKn : 8, 9
+ Use standard regulator bindings for these ('regulator-off-in-suspend',
+ 'ena-gpios').
Example:
@@ -65,4 +69,12 @@ Example:
regulator-always-on;
regulator-boot-on;
};
+
+ buck9_reg {
+ regulator-compatible = "BUCK9";
+ regulator-name = "CAM_ISP_CORE_1.2V";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1200000>;
+ ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>;
+ };
}
--
1.9.1
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