linux/Documentation/devicetree/bindings/crypto/fsl-dcp.txt

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Freescale DCP (Data Co-Processor) found on i.MX23/i.MX28 .
Required properties:
- compatible : Should be "fsl,<soc>-dcp"
- reg : Should contain MXS DCP registers location and length
- interrupts : Should contain MXS DCP interrupt numbers, VMI IRQ and DCP IRQ
must be supplied, optionally Secure IRQ can be present, but
is currently not implemented and not used.
Example:
dcp@80028000 {
compatible = "fsl,imx28-dcp", "fsl,imx23-dcp";
reg = <0x80028000 0x2000>;
interrupts = <52 53>;
status = "okay";
};