From mboxrd@z Thu Jan 1 00:00:00 1970 From: Venkat Reddy Talla Subject: [PATCH v2 2/2] dt-bindings: max77620: add documentation for MPOK property Date: Thu, 17 Nov 2016 23:24:36 +0530 Message-ID: <1479405276-26452-2-git-send-email-vreddytalla@nvidia.com> References: <1479405276-26452-1-git-send-email-vreddytalla@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1479405276-26452-1-git-send-email-vreddytalla@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: lee.jones@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ldewangan@nvidia.com, svelpula@nvidia.com, vreddytalla@nvidia.com List-Id: devicetree@vger.kernel.org Adding documentation for maxim,power-ok-control dts property Signed-off-by: Venkat Reddy Talla --- Changes from V1: None --- Documentation/devicetree/bindings/mfd/max77620.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/max77620.txt b/Documentation/devicetree/bindings/mfd/max77620.txt index 2ad44f7..9c16d51 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. -- 2.1.4