These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / regulator / max8973-regulator.txt

diff --git a/kernel/Documentation/devicetree/bindings/regulator/max8973-regulator.txt b/kernel/Documentation/devicetree/bindings/regulator/max8973-regulator.txt
index 4f15d8a..f80ea2f 100644 (file)
--- a/kernel/Documentation/devicetree/bindings/regulator/max8973-regulator.txt
+++ b/kernel/Documentation/devicetree/bindings/regulator/max8973-regulator.txt
@@ -2,12 +2,36 @@
 
 Required properties:
 
-- compatible:  must be "maxim,max8973"
+- compatible:  must be one of following:
+                       "maxim,max8973"
+                       "maxim,max77621".
 - reg:         the i2c slave address of the regulator. It should be 0x1b.
 
 Any standard regulator properties can be used to configure the single max8973
 DCDC.
 
+Optional properties:
+
+-maxim,externally-enable: boolean, externally control the regulator output
+               enable/disable.
+-maxim,enable-gpio: GPIO for enable control. If the valid GPIO is provided
+               then externally enable control will be considered.
+-maxim,dvs-gpio: GPIO which is connected to DVS pin of device.
+-maxim,dvs-default-state: Default state of GPIO during initialisation.
+               1 for HIGH and 0 for LOW.
+-maxim,enable-remote-sense: boolean, enable reote sense.
+-maxim,enable-falling-slew-rate: boolean, enable falling slew rate.
+-maxim,enable-active-discharge: boolean: enable active discharge.
+-maxim,enable-frequency-shift: boolean, enable 9% frequency shift.
+-maxim,enable-bias-control: boolean, enable bias control. By enabling this
+               startup delay can be reduce to 20us from 220us.
+-maxim,enable-etr: boolean, enable Enhanced Transient Response.
+-maxim,enable-high-etr-sensitivity: boolean, Enhanced transient response
+               circuit is enabled and set for high sensitivity. If this
+               property is available then etr will be enable default.
+
+Enhanced transient response (ETR) will affect the configuration of CKADV.
+
 Example:
 
        max8973@1b {