From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752739AbcKJFJu (ORCPT ); Thu, 10 Nov 2016 00:09:50 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:60072 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752107AbcKJFJs (ORCPT ); Thu, 10 Nov 2016 00:09:48 -0500 From: Keerthy To: , , CC: , , , , , , Subject: [PATCH v2 1/5] Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition Date: Thu, 10 Nov 2016 10:39:16 +0530 Message-ID: <1478754560-27923-2-git-send-email-j-keerthy@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1478754560-27923-1-git-send-email-j-keerthy@ti.com> References: <1478754560-27923-1-git-send-email-j-keerthy@ti.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 GPIO7 is configured in POWERHOLD mode which has higher priority over DEV_ON bit and keeps the PMIC supplies on even after the DEV_ON bit is turned off. This property enables driver to over ride the POWERHOLD value to GPIO7 so as to turn off the PMIC in power off scenarios. Signed-off-by: Keerthy --- Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt index caf297b..c28d4eb8 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt @@ -35,6 +35,15 @@ Optional properties: - ti,palmas-enable-dvfs2: Enable DVFS2. Configure pins for DVFS2 mode. Selection primary or secondary function associated to GPADC_START and SYSEN2 pin/pad for DVFS2 interface +- ti,palmas-override-powerhold: This is applicable for PMICs for which + GPIO7 is configured in POWERHOLD mode which has higher priority + over DEV_ON bit and keeps the PMIC supplies on even after the DEV_ON + bit is turned off. This property enables driver to over ride the + POWERHOLD value to GPIO7 so as to turn off the PMIC in power off + scenarios. So for GPIO7 if ti,palmas-override-powerhold is set + then the GPIO_7 field should never be muxed to anything else. + It should be set to POWERHOLD by default and only in case of + power off scenarios the driver will over ride the mux value. This binding uses the following generic properties as defined in pinctrl-bindings.txt: -- 1.9.1