fsl/cpm_qe/cpm.txt

7 * Root CPM node
10 - compatible : "fsl,cpm1", "fsl,cpm2", or "fsl,qe".
11 - reg : A 48-byte region beginning with CPCR.
14      cpm@119c0 {
15 	#address-cells = <1>;
16 	#size-cells = <1>;
17 	#interrupt-cells = <2>;
18 	compatible = "fsl,mpc8272-cpm", "fsl,cpm2";
22 * Properties common to multiple CPM/QE devices
24 - fsl,cpm-command : This value is ORed with the opcode and command flag
25                     to specify the device on which a CPM command operates.
27 - fsl,cpm-brg : Indicates which baud rate generator the device
32 - reg : Unless otherwise specified, the first resource represents the
36 * Multi-User RAM (MURAM)
38 The multi-user/dual-ported RAM is expressed as a bus under the CPM node.
42 - Children's reg nodes must be offsets from the start of all muram, even
43   if the user-data area does not begin at zero.
44 - If multiple range entries are used, the difference between the parent
47   CPM-side offsets with pointer subtraction.  It is recommended that
49 - A child address of zero must be translatable, even if no reg resources
52 A child "data" node must exist, compatible with "fsl,cpm-muram-data", to
59 		#address-cells = <1>;
60 		#size-cells = <1>;
64 			compatible = "fsl,cpm-muram-data";