@@ -8,6 +8,7 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
- Clock
- LED
- Keys
+- Power controller
It is interfaced to host controller using SPI interface by a proprietary hardware
called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.
@@ -22,8 +23,10 @@ compatible: "mediatek,mt6397" or "mediatek,mt6323"
Optional subnodes:
- rtc
- Required properties:
+ Required properties: Should be one of follows
+ - compatible: "mediatek,mt6323-rtc"
- compatible: "mediatek,mt6397-rtc"
+ For details, see Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
- regulators
Required properties:
- compatible: "mediatek,mt6397-regulator"
@@ -46,6 +49,11 @@ Optional subnodes:
- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
+- power-controller
+ Required properties:
+ - compatible: "mediatek,mt6323-pwrc"
+ For details, see Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
+
Example:
pwrap: pwrap@1000f000 {
compatible = "mediatek,mt8135-pwrap";
new file mode 100644
@@ -0,0 +1,20 @@
+Device Tree Bindings for Power Controller on MediaTek PMIC
+
+The power controller which could be found on PMIC is responsible for externally
+powering off or on the remote MediaTek SoC through the circuit BBPU.
+
+Required properties:
+- compatible: Should be one of follows
+ "mediatek,mt6323-pwrc": for MT6323 PMIC
+
+Example:
+
+ pmic {
+ compatible = "mediatek,mt6323";
+
+ ...
+
+ power-controller {
+ compatible = "mediatek,mt6323-pwrc";
+ };
+ }