mfd: axp20x: Add AXP22x regulator information to DT bindings

Add the list of regulators for AXP22x to the DT bindings.
This includes the names and supply names.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 3914a3f..753f14f 100644 (file)
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -49,6 +49,31 @@ LDO3         : LDO           : ldo3in-supply
 LDO4           : LDO           : ldo24in-supply        : shared supply
 LDO5           : LDO           : ldo5in-supply
 
+AXP221 regulators, type, and corresponding input supply names:
+
+Regulator        Type            Supply Name             Notes
+---------        ----            -----------             -----
+DCDC1          : DC-DC buck    : vin1-supply
+DCDC2          : DC-DC buck    : vin2-supply
+DCDC3          : DC-DC buck    : vin3-supply
+DCDC4          : DC-DC buck    : vin4-supply
+DCDC5          : DC-DC buck    : vin5-supply
+DC1SW          : On/Off Switch : dcdc1-supply          : DCDC1 secondary output
+DC5LDO         : LDO           : dcdc5-supply          : input from DCDC5
+ALDO1          : LDO           : aldoin-supply         : shared supply
+ALDO2          : LDO           : aldoin-supply         : shared supply
+ALDO3          : LDO           : aldoin-supply         : shared supply
+DLDO1          : LDO           : dldoin-supply         : shared supply
+DLDO2          : LDO           : dldoin-supply         : shared supply
+DLDO3          : LDO           : dldoin-supply         : shared supply
+DLDO4          : LDO           : dldoin-supply         : shared supply
+ELDO1          : LDO           : eldoin-supply         : shared supply
+ELDO2          : LDO           : eldoin-supply         : shared supply
+ELDO3          : LDO           : eldoin-supply         : shared supply
+LDO_IO0                : LDO           : ips-supply            : GPIO 0
+LDO_IO1                : LDO           : ips-supply            : GPIO 1
+RTC_LDO                : LDO           : ips-supply            : always on
+
 Example:
 
 axp209: pmic@34 {