diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/rtc/cdns,rtc.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
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 000000000..14a04487b --- /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>; + }; |