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-rw-r--r--Documentation/devicetree/bindings/regulator/palmas-pmic.txt17
1 files changed, 14 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
index a22e4c70db5c..42e6b6bc48ff 100644
--- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
+++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
@@ -26,16 +26,25 @@ Optional nodes:
For ti,palmas-pmic - smps12, smps123, smps3 depending on OTP,
smps45, smps457, smps7 depending on variant, smps6, smps[8-9],
- smps10_out2, smps10_out1, do[1-9], ldoln, ldousb.
+ smps10_out2, smps10_out1, ldo[1-9], ldoln, ldousb.
Optional sub-node properties:
ti,warm-reset - maintain voltage during warm reset(boolean)
- ti,roof-floor - control voltage selection by pin(boolean)
+ ti,roof-floor - This takes as optional argument on platform supporting
+ the rail from desired external control. If there is no argument then
+ it will be assume that it is controlled by NSLEEP pin.
+ The valid value for external pins are:
+ ENABLE1 then 1,
+ ENABLE2 then 2 or
+ NSLEEP then 3.
ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto,
2 - eco, 3 - forced pwm
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>
@@ -48,6 +57,8 @@ pmic {
ti,ldo6-vibrator;
+ ti,system-power-controller;
+
regulators {
smps12_reg : smps12 {
regulator-name = "smps12";
@@ -56,7 +67,7 @@ pmic {
regulator-always-on;
regulator-boot-on;
ti,warm-reset;
- ti,roof-floor;
+ ti,roof-floor = <1>; /* ENABLE1 control */
ti,mode-sleep = <0>;
ti,smps-range = <1>;
};