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dt-bindings: rtc: add bindings for MT2712 RTC

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Document the binding for MT2712 RTC implemented by rtc-mt2712.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ran Bi <ran.bi@mediatek.com>
Link: https://lore.kernel.org/r/20200226051303.22560-2-ran.bi@mediatek.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Ran Bi 2020-02-26 13:13:00 +08:00 committed by Alexandre Belloni
parent eac1c3fc55
commit bfb8c3b464
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Documentation/devicetree/bindings/rtc/rtc-mt2712.txt Normal file
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Device-Tree bindings for MediaTek SoC based RTC
Required properties:
- compatible : Should be "mediatek,mt2712-rtc" : for MT2712 SoC
- reg : Specifies base physical address and size of the registers;
- interrupts : Should contain the interrupt for RTC alarm;
Example:
rtc: rtc@10011000 {
compatible = "mediatek,mt2712-rtc";
reg = <0 0x10011000 0 0x1000>;
interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_LOW>;
};