mfd: palmas: Add power off control

Hook up "pm_power_off" to palmas power off routine if there is DT
property "ti,system-power-controller" defined, so platform which is
powered by this regulator can be powered off properly.

Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
index d5a308629c57..02f4c0eb601e 100644
--- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
+++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
@@ -37,6 +37,9 @@ Optional nodes:
                ti,smps-range - OTP has the wrong range set for the hardware so override
                0 - low range, 1 - high range.
 
+- ti,system-power-controller: Telling whether or not this pmic is controlling
+                              the system power.
+
 Example:
 
 #include <dt-bindings/interrupt-controller/irq.h>
@@ -49,6 +52,8 @@ pmic {
 
         ti,ldo6-vibrator;
 
+        ti,system-power-controller;
+
         regulators {
                 smps12_reg : smps12 {
                         regulator-name = "smps12";