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| author | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2014-04-14 10:09:08 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-14 22:13:05 +0100 |
| commit | 9b63cfbfd13b609e8d496852b6714ac686e31901 (patch) | |
| tree | 7f7036289b150574a16750180d21bc0791d4962c | |
| parent | 97f53d710b9f63cbef1c86ee39d9ecfdda6e674c (diff) | |
| download | blackbird-op-linux-9b63cfbfd13b609e8d496852b6714ac686e31901.tar.gz blackbird-op-linux-9b63cfbfd13b609e8d496852b6714ac686e31901.zip | |
regulator: s2mps11: Document external GPIO control
Add documentation for new property for controlling (enable/disable) some
of the S2MPS14 regulators by GPIO.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/s2mps11.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/s2mps11.txt b/Documentation/devicetree/bindings/mfd/s2mps11.txt index 802e839b0829..d81ba30c0d8b 100644 --- a/Documentation/devicetree/bindings/mfd/s2mps11.txt +++ b/Documentation/devicetree/bindings/mfd/s2mps11.txt @@ -56,6 +56,20 @@ for a particular group of BUCKs. So provide same regulator-ramp-delay<value>. Grouping of BUCKs sharing ramp rate setting is as follow : BUCK[1, 6], BUCK[3, 4], and BUCK[7, 8, 10] +On S2MPS14 the LDO10, LDO11 and LDO12 can be configured to external control +over GPIO. To turn this feature on this property must be added to the regulator +sub-node: + - samsung,ext-control-gpios: GPIO specifier for one GPIO + controlling this regulator (enable/disable); +Example: + LDO12 { + regulator-name = "V_EMMC_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + samsung,ext-control-gpios = <&gpk0 2 0>; + }; + + The regulator constraints inside the regulator nodes use the standard regulator bindings which are documented elsewhere. |
