[PATCH v2 1/5] Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition
From: Keerthy <j-keerthy@ti.com>
Date: 2016-11-10 05:09:50
Also in:
linux-gpio, linux-omap, lkml
Subsystem:
open firmware and flattened device tree bindings, pin control subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Walleij, Linus Torvalds
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