Add documentation for new property for controlling (enable/disable) some of the S2MPS14 regulators by GPIO.
Signed-off-by: Krzysztof Kozlowski <[email protected]> Cc: Tomasz Figa <[email protected]> Cc: [email protected] Cc: Rob Herring <[email protected]> Cc: Pawel Moll <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Ian Campbell <[email protected]> Cc: Kumar Gala <[email protected]> --- Documentation/devicetree/bindings/mfd/s2mps11.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) 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. -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
