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

Keerthy
2016-11-10T04:25:49Z

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:
>