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Groups > linux.kernel > #1518695
| From | Keerthy <j-keerthy@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 1/5] Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition |
| Date | 2016-11-10 06:20 +0100 |
| Message-ID | <sBPWi-17h-11@gated-at.bofh.it> (permalink) |
| References | <sBPMB-13Z-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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(+) 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
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[PATCH v2 0/5] mfd: palmas: add powerhold overriding during power off Keerthy <j-keerthy@ti.com> - 2016-11-10 06:10 +0100 [PATCH v2 2/5] mfd: palmas: Remove redundant check in palmas_power_off Keerthy <j-keerthy@ti.com> - 2016-11-10 06:10 +0100 [PATCH v2 5/5] arm: dts: am57xx-idk-common: Add overide powerhold property Keerthy <j-keerthy@ti.com> - 2016-11-10 06:20 +0100 [PATCH v2 4/5] arm: dts: am57xx-beagle-x15-common: Add overide powerhold property Keerthy <j-keerthy@ti.com> - 2016-11-10 06:20 +0100 [PATCH v2 1/5] Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition Keerthy <j-keerthy@ti.com> - 2016-11-10 06:20 +0100 [PATCH v2 3/5] mfd: palmas: Reset the POWERHOLD mux during power off Keerthy <j-keerthy@ti.com> - 2016-11-10 06:40 +0100
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