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>;
	...
};