linux-kernel - [PATCH v3 01/10] dt-bindings: add powercontroller

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Message-Id: <20190729174154.4335-2-frank-w@public-files.de>
Date:   Mon, 29 Jul 2019 19:41:45 +0200
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Allison Randal <allison@...utok.net>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, Eddie Huang <eddie.huang@...iatek.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Lee Jones <lee.jones@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-pm@...r.kernel.org,
        linux-rtc@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Richard Fontana <rfontana@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Sebastian Reichel <sre@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Tianping . Fang" <tianping.fang@...iatek.com>
Cc:     Josef Friedl <josef.friedl@...ed.at>,
        Frank Wunderlich <frank-w@...lic-files.de>
Subject: [PATCH v3 01/10] dt-bindings: add powercontroller

From: Josef Friedl <josef.friedl@...ed.at>

add mt6323-rtc and mt6323-pwrc to mt6397 mfd DT bindings
an example is shown in mt6323-poweroff.txt

changes since v2: separated rtc-mt6397.txt to part 2

Suggested-by: Frank Wunderlich <frank-w@...lic-files.de>
Signed-off-by: Josef Friedl <josef.friedl@...ed.at>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
 .../devicetree/bindings/mfd/mt6397.txt        | 10 +++++++++-
 .../bindings/power/reset/mt6323-poweroff.txt  | 20 +++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 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 0ebd08af777d..44acb9827716 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.
@@ -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@...0f000 {
 		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