linux/linux-5.4.31/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt

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Device Tree Bindings for the Xilinx Zynq MPSoC PM domains
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The binding for zynqmp-power-controller follow the common
generic PM domain binding[1].
[1] Documentation/devicetree/bindings/power/power_domain.txt
== Zynq MPSoC Generic PM Domain Node ==
Required property:
- Below property should be in zynqmp-firmware node.
- #power-domain-cells: Number of cells in a PM domain specifier. Must be 1.
Power domain ID indexes are mentioned in
include/dt-bindings/power/xlnx-zynqmp-power.h.
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Example
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firmware {
zynqmp_firmware: zynqmp-firmware {
...
#power-domain-cells = <1>;
...
};
};
sata {
...
power-domains = <&zynqmp_firmware 28>;
...
};