Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1518685

Re: [PATCH 1/4] Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition

From Keerthy <j-keerthy@ti.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/4] Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition
Date 2016-11-10 05:30 +0100
Message-ID <sBP9T-wR-3@gated-at.bofh.it> (permalink)
References <swP0R-8pq-27@gated-at.bofh.it> <sBDBL-18k-19@gated-at.bofh.it> <sBDBL-18k-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw



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 <j-keerthy@ti.com>
>> ---
>>  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:
>

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

Re: [PATCH 1/4] Documentation: pinctrl: palmas: Add  ti,palmas-powerhold-override property definition Lee Jones <lee.jones@linaro.org> - 2016-11-09 17:10 +0100
  Re: [PATCH 1/4] Documentation: pinctrl: palmas: Add  ti,palmas-powerhold-override property definition Keerthy <j-keerthy@ti.com> - 2016-11-10 05:30 +0100

csiph-web