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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/rtc/rtc-meson.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/rtc/rtc-meson.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/rtc-meson.txt b/Documentation/devicetree/bindings/rtc/rtc-meson.txt new file mode 100644 index 000000000..e921fe66a --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc-meson.txt @@ -0,0 +1,35 @@ +* Amlogic Meson6, Meson8, Meson8b and Meson8m2 RTC + +Required properties: +- compatible: should be one of the following describing the hardware: + * "amlogic,meson6-rtc" + * "amlogic,meson8-rtc" + * "amlogic,meson8b-rtc" + * "amlogic,meson8m2-rtc" + +- reg: physical register space for the controller's memory mapped registers. +- interrupts: the interrupt line of the RTC block. +- clocks: reference to the external 32.768kHz crystal oscillator. +- vdd-supply: reference to the power supply of the RTC block. +- resets: reset controller reference to allow reset of the controller + +Optional properties for the battery-backed non-volatile memory: +- #address-cells: should be 1 to address the battery-backed non-volatile memory +- #size-cells: should be 1 to reference the battery-backed non-volatile memory + +Optional child nodes: +- see ../nvmem/nvmem.txt + +Example: + + rtc: rtc@740 { + compatible = "amlogic,meson6-rtc"; + reg = <0x740 0x14>; + interrupts = <GIC_SPI 72 IRQ_TYPE_EDGE_RISING>; + clocks = <&rtc32k_xtal>; + vdd-supply = <&rtc_vdd>; + resets = <&reset RESET_RTC>; + + #address-cells = <1>; + #size-cells = <1>; + }; |