linux-kernel - [PATCH v3 02/10] dt-bindings: add missing mt6397 rtc

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Message-Id: <20190729174154.4335-3-frank-w@public-files.de>
Date:   Mon, 29 Jul 2019 19:41:46 +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 02/10] dt-bindings: add missing mt6397 rtc

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

add missing devicetree-binding document for mt6397 rtc
in later patch driver is extended with mt6323 chip

changes since v2: splitted rtc-mt6397.txt from first patch

Suggested-By: Alexandre Belloni <alexandre.belloni@...tlin.com>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
Signed-off-by: Josef Friedl <josef.friedl@...ed.at>
---
 .../devicetree/bindings/rtc/rtc-mt6397.txt    | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mt6397.txt

diff --git a/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt b/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
new file mode 100644
index 000000000000..ebd1cf80dcc8
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
@@ -0,0 +1,29 @@
+Device-Tree bindings for MediaTek PMIC based RTC
+
+MediaTek PMIC based RTC is an independent function of MediaTek PMIC that works
+as a type of multi-function device (MFD). The RTC can be configured and set up
+with PMIC wrapper bus which is a common resource shared with the other
+functions found on the same PMIC.
+
+For MediaTek PMIC MFD bindings, see:
+Documentation/devicetree/bindings/mfd/mt6397.txt
+
+For MediaTek PMIC wrapper bus bindings, see:
+Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
+
+Required properties:
+- compatible: Should be one of follows
+       "mediatek,mt6323-rtc": for MT6323 PMIC
+       "mediatek,mt6397-rtc": for MT6397 PMIC
+
+Example:
+
+       pmic {
+               compatible = "mediatek,mt6323";
+
+               ...
+
+               rtc {
+                       compatible = "mediatek,mt6323-rtc";
+               };
+       };
--
2.17.1