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Subject[PATCH v6 03/13] dt-bindings: mfd: mediatek: add mt6323 power-controller
Date
From: Josef Friedl <josef.friedl@speed.at>

- add powercontroller-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>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
changes since v5: split out non-pwrc related changes
changes since v4: none
changes since v3: none
changes since v2: none (=v2 part 7)
---
.../devicetree/bindings/mfd/mt6397.txt | 6 ++++++
.../bindings/power/reset/mt6323-poweroff.txt | 20 +++++++++++++++++++
2 files changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt

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";
+ };
+ }
--
2.17.1
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