Commit 64d3d25c authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Mark Brown
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regulator: max77686: Document gpio properties



Document usage of maxim,ena-gpios properties which turn on external/GPIO
control over regulator.

Signed-off-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 3307e902
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+14 −0
Original line number Diff line number Diff line
@@ -39,6 +39,12 @@ to get matched with their hardware counterparts as follow:
	-BUCKn	:	1-4.
  Use standard regulator bindings for it ('regulator-off-in-suspend').

  LDO20, LDO21, LDO22, BUCK8 and BUCK9 can be configured to GPIO enable
  control. To turn this feature on this property must be added to the regulator
  sub-node:
	- maxim,ena-gpios :	one GPIO specifier enable control (the gpio
				flags are actually ignored and always
				ACTIVE_HIGH is used)

Example:

@@ -65,4 +71,12 @@ 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>;
				maxim,ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>;
			};
	}