Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752778AbcKPLxS (ORCPT ); Wed, 16 Nov 2016 06:53:18 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:6208 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752583AbcKPLxQ (ORCPT ); Wed, 16 Nov 2016 06:53:16 -0500 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Tue, 15 Nov 2016 15:52:15 -0800 From: Venkat Reddy Talla To: , , , , , , CC: , , Subject: [PATCH 2/2] dt-bindings: max77620: add documentation for MPOK property Date: Wed, 16 Nov 2016 17:22:41 +0530 Message-ID: <1479297161-7705-2-git-send-email-vreddytalla@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1479297161-7705-1-git-send-email-vreddytalla@nvidia.com> References: <1479297161-7705-1-git-send-email-vreddytalla@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1445 Lines: 32 Adding documentation for maxim,power-ok-control dts property Signed-off-by: Venkat Reddy Talla --- 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