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Commit 3471c122 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Mark Brown
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regulator: s5m8767: Document new binding for Buck9 GPIO control 



Add documentation for new binding for controlling (enable/disable) the
Buck9 Converter by GPIO (BUCK9EN).

Signed-off-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent ee1e0994

Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt

+12 −1
Original line number Diff line number Diff line
@@ -69,13 +69,16 @@ sub-node should be of the format as listed below. 
		};

	};

The above regulator entries are defined in regulator bindings documentation

except op_mode description.

except these properties:

	- op_mode: describes the different operating modes of the LDO's with

		power mode change in SOC. The different possible values are,

		0 - always off mode

		1 - on in normal mode

		2 - low power mode

		3 - suspend mode

	- s5m8767,pmic-ext-control-gpios: (optional) GPIO specifier for one

		GPIO controlling this regulator (enable/disable); This is

		valid only for buck9.



The following are the names of the regulators that the s5m8767 pmic block

supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number
@@ -148,5 +151,13 @@ Example: 
				regulator-always-on;

				regulator-boot-on;

			};



			vemmc_reg: BUCK9 {

				regulator-name = "VMEM_VDD_2.8V";

				regulator-min-microvolt = <2800000>;

				regulator-max-microvolt = <2800000>;

				op_mode = <3>; /* Standby Mode */

				s5m8767,pmic-ext-control-gpios = <&gpk0 2 0>;

			};

		};

	};