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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 Original line 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

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

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

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

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

		0 - always off mode

		0 - always off mode

		1 - on in normal mode

		1 - on in normal mode

		2 - low power mode

		2 - low power mode

		3 - suspend 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

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

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

				regulator-always-on;

				regulator-boot-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>;

			};

		};

		};

	};
 
	};