linux/linux-5.4.31/Documentation/devicetree/bindings/rng/imx-rng.txt

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Freescale RNGA/RNGB/RNGC (Random Number Generator Versions A, B and C)
Required properties:
- compatible : should be one of
"fsl,imx21-rnga"
"fsl,imx31-rnga" (backward compatible with "fsl,imx21-rnga")
"fsl,imx25-rngb"
"fsl,imx35-rngc"
- reg : offset and length of the register set of this block
- interrupts : the interrupt number for the RNG block
- clocks : the RNG clk source
Example:
rng@53fb0000 {
compatible = "fsl,imx25-rngb";
reg = <0x53fb0000 0x4000>;
interrupts = <22>;
clocks = <&trng_clk>;
};