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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/rtc/cdns,rtc.txt | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/rtc/cdns,rtc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/rtc/cdns,rtc.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/cdns,rtc.txt b/Documentation/devicetree/bindings/rtc/cdns,rtc.txt new file mode 100644 index 0000000000..14a04487b4 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/cdns,rtc.txt @@ -0,0 +1,25 @@ +Cadence Real Time Clock + +The Cadence RTC controller with date, time and alarm capabilities. +The alarm may wake the system from low-power state. + +Required properties: +- compatible: Should be "cdns,rtc-r109v3" +- reg: Specifies base physical address and size of the register area. +- interrupts: A single interrupt specifier. +- clocks: Must contain two entries: + - pclk: APB registers clock + - ref_clk: reference 1Hz or 100Hz clock, depending on IP configuration + See ../clocks/clock-bindings.txt for details. + +Example: + rtc0: rtc@fd080000 { + compatible = "cdns,rtc-r109v3"; + reg = <0xfd080000 0x1000>; + + clock-names = "pclk", "ref_clk"; + clocks = <&sysclock>, <&refclock>; + + interrupt-parent = <&gic>; + interrupts = <0 6 IRQ_TYPE_LEVEL_HIGH>; + }; |