linux-kernel - [PATCH v2 02/17] dt-bindings: rtc: mt6397: add bindings for MediaTek PMIC based RTC

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Date:   Wed, 25 Apr 2018 17:32:28 +0800
From:   <sean.wang@...iatek.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>, <sre@...nel.org>,
        <lee.jones@...aro.org>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...e-electrons.com>, <matthias.bgg@...il.com>,
        <eddie.huang@...iatek.com>
CC:     <devicetree@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Sean Wang" <sean.wang@...iatek.com>
Subject: [PATCH v2 02/17] dt-bindings: rtc: mt6397: add bindings for MediaTek PMIC based RTC

From: Sean Wang <sean.wang@...iatek.com>

Add device-tree binding for MediaTek PMIC based RTC

Cc: devicetree@...r.kernel.org
Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 .../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 0000000..6e97248
--- /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";
+		};
+	};
-- 
2.7.4