linux-kernel - [PATCH 1/4] dt-bindings: rtc: mediatek: add bindings for MediaTek SoC based RTC

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Message-ID: <1357cb02adb88a8a2d7c2268b8573c0a9b6f8d0c.1506049341.git.sean.wang@mediatek.com>
Date:   Fri, 22 Sep 2017 11:33:14 +0800
From:   <sean.wang@...iatek.com>
To:     <a.zummo@...ertech.it>, <alexandre.belloni@...e-electrons.com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <linux-rtc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH 1/4] dt-bindings: rtc: mediatek: add bindings for MediaTek SoC based RTC

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

Add device-tree binding for MediaTek SoC based RTC

Cc: devicetree@...r.kernel.org
Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 .../devicetree/bindings/rtc/rtc-mediatek.txt        | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mediatek.txt

diff --git a/Documentation/devicetree/bindings/rtc/rtc-mediatek.txt b/Documentation/devicetree/bindings/rtc/rtc-mediatek.txt
new file mode 100644
index 0000000..09fe8f5
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/rtc-mediatek.txt
@@ -0,0 +1,21 @@
+Device-Tree bindings for MediaTek SoC based RTC
+
+Required properties:
+- compatible	    : Should be
+			"mediatek,mt7622-rtc", "mediatek,soc-rtc" : for MT7622 SoC
+- reg 		    : Specifies base physical address and size of the registers;
+- interrupts	    : Should contain the interrupt for RTC alarm;
+- clocks	    : Specifies list of clock specifiers, corresponding to
+		      entries in clock-names property;
+- clock-names	    : Should contain "rtc" entries
+
+Example:
+
+rtc: rtc@...12800 {
+	compatible = "mediatek,mt7622-rtc",
+		     "mediatek,soc-rtc";
+	reg = <0 0x10212800 0 0x200>;
+	interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_LOW>;
+	clocks = <&topckgen CLK_TOP_RTC>;
+	clock-names = "rtc";
+};
-- 
2.7.4