From 983779235a4d08f94e8cda073200423e0ff01d2e Mon Sep 17 00:00:00 2001 From: Venkat Reddy Talla Date: Thu, 17 Nov 2016 23:24:36 +0530 Subject: regulator: max77620: add documentation for MPOK property Adding documentation for maxim,power-ok-control dts property Signed-off-by: Venkat Reddy Talla Acked-by: Rob Herring Acked-by: Lee Jones Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/mfd/max77620.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'Documentation/devicetree/bindings/mfd/max77620.txt') 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. -- cgit v1.2.3-59-g8ed1b