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authorJosef Friedl <josef.friedl@speed.at>2019-08-18 15:56:01 +0200
committerLee Jones <lee.jones@linaro.org>2019-09-02 11:20:40 +0100
commit8ab1267ff73dc372d63dffc7736058d456b8c75b (patch)
tree32babcbf939c561c00f129e6f5997ba6552910dd
parent7051919d17512f51e21d91b6564882b0476f2a2c (diff)
dt-bindings: mfd: mediatek: Add MT6323 Power Controller
- Add Power Controller section to existing binding document. - Add MT6323 PWRC bindings document with example. Suggested-by: Frank Wunderlich <frank-w@public-files.de> Signed-off-by: Josef Friedl <josef.friedl@speed.at> Signed-off-by: Frank Wunderlich <frank-w@public-files.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
-rw-r--r--Documentation/devicetree/bindings/mfd/mt6397.txt6
-rw-r--r--Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt20
2 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
index 5fccf987865b..a9b105ac00a8 100644
--- a/Documentation/devicetree/bindings/mfd/mt6397.txt
+++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
@@ -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.
@@ -48,6 +49,11 @@ Optional subnodes:
- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
see ../input/mtk-pmic-keys.txt
+- power-controller
+ Required properties:
+ - compatible: "mediatek,mt6323-pwrc"
+ For details, see ../power/reset/mt6323-poweroff.txt
+
Example:
pwrap: pwrap@1000f000 {
compatible = "mediatek,mt8135-pwrap";
diff --git a/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
new file mode 100644
index 000000000000..933f0c48e887
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
@@ -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";
+ };
+ }