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| author | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2015-01-05 14:48:44 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-01-08 23:15:49 +0300 |
| commit | 64d3d25c9b1bc06f3bd323d3b769dbdbcb616462 (patch) | |
| tree | 6a8efa7e4337b1b87e1c46c251b053a181b5d113 /Documentation | |
| parent | 3307e9025d29105ecc5fa1144508715cdddba195 (diff) | |
| download | linux-64d3d25c9b1bc06f3bd323d3b769dbdbcb616462.tar.xz | |
regulator: max77686: Document gpio properties
Document usage of maxim,ena-gpios properties which turn on external/GPIO
control over regulator.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/max77686.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt index 75fdfaf41831..e39f0bc1f55e 100644 --- a/Documentation/devicetree/bindings/mfd/max77686.txt +++ b/Documentation/devicetree/bindings/mfd/max77686.txt @@ -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>; + }; } |