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dt/bindings: Add bindings for the PIC32 real time clock

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Document the devicetree bindings for the real time clock found
on Microchip PIC32 class devices.

Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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Joshua Henderson 2016-02-25 10:30:43 -07:00 committed by Alexandre Belloni
parent ef5f4a9e80
commit af556c11f0
1 changed files with 21 additions and 0 deletions
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Documentation/devicetree/bindings/rtc/microchip,pic32-rtc.txt Normal file
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* Microchip PIC32 Real Time Clock and Calendar
The RTCC keeps time in hours, minutes, and seconds, and one half second. It
provides a calendar in weekday, date, month, and year. It also provides a
configurable alarm.
Required properties:
- compatible: should be: "microchip,pic32mzda-rtc"
- reg: physical base address of the controller and length of memory mapped
region.
- interrupts: RTC alarm/event interrupt
- clocks: clock phandle
Example:
rtc: rtc@1f8c0000 {
compatible = "microchip,pic32mzda-rtc";
reg = <0x1f8c0000 0x60>;
interrupts = <166 IRQ_TYPE_EDGE_RISING>;
clocks = <&PBCLK6>;
};