mfd: axp20x: Add bindings for AXP809 PMIC

This patch adds the basic and regulator bindings for the X-Powers AXP809
PMIC.

Also update the DC-DC converter operating frequency for AXP22X/AXP80X.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.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 fd39fa54571b799ad8a19fcebfc19599735027ec..d20b1034e96760add2a8784ac0e879e05f1a660d 100644 (file)
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -6,10 +6,11 @@ axp202 (X-Powers)
 axp209 (X-Powers)
 axp221 (X-Powers)
 axp223 (X-Powers)
+axp809 (X-Powers)
 
 Required properties:
 - compatible: "x-powers,axp152", "x-powers,axp202", "x-powers,axp209",
-             "x-powers,axp221", "x-powers,axp223"
+             "x-powers,axp221", "x-powers,axp223", "x-powers,axp809"
 - reg: The I2C slave address or RSB hardware address for the AXP chip
 - interrupt-parent: The parent interrupt controller
 - interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin
@@ -18,7 +19,9 @@ Required properties:
 
 Optional properties:
 - x-powers,dcdc-freq: defines the work frequency of DC-DC in KHz
-                     (range: 750-1875). Default: 1.5MHz
+                     AXP152/20X: range:  750-1875, Default: 1.5 MHz
+                     AXP22X/80X: range: 1800-4050, Default: 3   MHz
+
 - <input>-supply: a phandle to the regulator supply node. May be omitted if
                  inputs are unregulated, such as using the IPSOUT output
                  from the PMIC.
@@ -77,6 +80,30 @@ LDO_IO0              : LDO           : ips-supply            : GPIO 0
 LDO_IO1                : LDO           : ips-supply            : GPIO 1
 RTC_LDO                : LDO           : ips-supply            : always on
 
+AXP809 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 secondary output
+DC5LDO         : LDO           :                       : 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
+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
+SW             : On/Off Switch : swin-supply
+
 Example:
 
 axp209: pmic@34 {