mfd: dt: tps65910: Add power off control

Add DT property "ti,system-power-controller" telling whether or not this
pmic is in charge of controlling the system power, so the power off
routine can be hooked up to system call "pm_power_off".

Based on the work by:
Dan Willemsen <dwillemsen@nvidia.com>

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h
index 9bf8767818b4..ac772b36a1b1 100644
--- a/include/linux/mfd/tps65910.h
+++ b/include/linux/mfd/tps65910.h
@@ -366,6 +366,8 @@
 
 
 /*Register DEVCTRL  (0x80) register.RegisterDescription */
+#define DEVCTRL_PWR_OFF_MASK                            0x80
+#define DEVCTRL_PWR_OFF_SHIFT                           7
 #define DEVCTRL_RTC_PWDN_MASK                           0x40
 #define DEVCTRL_RTC_PWDN_SHIFT                          6
 #define DEVCTRL_CK32K_CTRL_MASK                         0x20
@@ -809,6 +811,7 @@ struct tps65910_board {
         int vmbch2_threshold;
         bool en_ck32k_xtal;
         bool en_dev_slp;
+        bool pm_off;
         struct tps65910_sleep_keepon_data *slp_keepon;
         bool en_gpio_sleep[TPS6591X_MAX_NUM_GPIO];
         unsigned long regulator_ext_sleep_control[TPS65910_NUM_REGS];