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| author |   Venkat Reddy Talla <vreddytalla@nvidia.com> | 2016-11-17 23:24:36 +0530 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2016-11-23 16:27:42 +0000 |
| commit | 983779235a4d08f94e8cda073200423e0ff01d2e (patch) | |
| tree | 254b624bd499c14b09d55abaf209ea95f3c860f7 /Documentation/devicetree/bindings/mfd/max77620.txt | |
| parent | regulator: max77620: add support to configure MPOK (diff) | |
| download | linux-dev-983779235a4d08f94e8cda073200423e0ff01d2e.tar.xz linux-dev-983779235a4d08f94e8cda073200423e0ff01d2e.zip | |
regulator: max77620: add documentation for MPOK property
Adding documentation for maxim,power-ok-control dts property
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/max77620.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/max77620.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/max77620.txt b/Documentation/devicetree/bindings/mfd/max77620.txt index 2ad44f7e4880..9c16d51cc15b 100644 --- a/Documentation/devicetree/bindings/mfd/max77620.txt +++ b/Documentation/devicetree/bindings/mfd/max77620.txt @@ -106,6 +106,18 @@ Here supported time periods by device in microseconds are as follows: MAX77620 supports 40, 80, 160, 320, 640, 1280, 2560 and 5120 microseconds. MAX20024 supports 20, 40, 80, 160, 320, 640, 1280 and 2540 microseconds. +-maxim,power-ok-control: configure map power ok bit + 1: Enables POK(Power OK) to control nRST_IO and GPIO1 + POK function. + 0: Disables POK control. + if property missing, do not configure MPOK bit. + If POK mapping is enabled for GPIO1/nRST_IO then, + GPIO1/nRST_IO pins are HIGH only if all rails + that have POK control enabled are HIGH. + If any of the rails goes down(which are enabled for POK + control) then, GPIO1/nRST_IO goes LOW. + this property is valid for max20024 only. + For DT binding details of different sub modules like GPIO, pincontrol, regulator, power, please refer respective device-tree binding document under their respective sub-system directories. |