From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keerthy Subject: Re: [PATCH 1/4] Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition Date: Thu, 10 Nov 2016 09:41:38 +0530 Message-ID: References: <1477559414-12520-1-git-send-email-j-keerthy@ti.com> <1477559414-12520-2-git-send-email-j-keerthy@ti.com> <20161109161016.GI13127@dell> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20161109161016.GI13127@dell> Sender: linux-gpio-owner@vger.kernel.org To: Lee Jones Cc: tony@atomide.com, robh+dt@kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, nm@ti.com, t-kristo@ti.com List-Id: devicetree@vger.kernel.org On Wednesday 09 November 2016 09:40 PM, Lee Jones wrote: > On Thu, 27 Oct 2016, Keerthy wrote: > >> 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(+) > > This requires a DT Ack. Okay. > >> 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: >