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@xxxxxx> > --- > Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt | 9 +++++++++ > 1 file changed, 9 insertions(+) This requires a DT Ack. > 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: -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
