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[v6,03/13] dt-bindings: mfd: mediatek: add mt6323 power-controller

Message ID 20190818160757.8206-4-frank-w@public-files.de (mailing list archive)
State New, archived
Headers show
Series implement poweroff for mt6323 / bpi-r2 | expand

Commit Message

Frank Wunderlich Aug. 18, 2019, 4:07 p.m. UTC 
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 mbox series

Patch

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";
+               };
+       }