xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mips/lantiq/fpi-bus.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunLantiq XWAY SoC FPI BUS binding
2*4882a593Smuzhiyun============================
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun-------------------------------------------------------------------------------
6*4882a593SmuzhiyunRequired properties:
7*4882a593Smuzhiyun- compatible			: Should be one of
8*4882a593Smuzhiyun					"lantiq,xrx200-fpi"
9*4882a593Smuzhiyun- reg				: The address and length of the XBAR
10*4882a593Smuzhiyun				  configuration register.
11*4882a593Smuzhiyun				  Address and length of the FPI bus itself.
12*4882a593Smuzhiyun- lantiq,rcu			: A phandle to the RCU syscon
13*4882a593Smuzhiyun- lantiq,offset-endianness	: Offset of the endianness configuration
14*4882a593Smuzhiyun				  register
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun-------------------------------------------------------------------------------
17*4882a593SmuzhiyunExample for the FPI on the xrx200 SoCs:
18*4882a593Smuzhiyun	fpi@10000000 {
19*4882a593Smuzhiyun		compatible = "lantiq,xrx200-fpi";
20*4882a593Smuzhiyun		ranges = <0x0 0x10000000 0xf000000>;
21*4882a593Smuzhiyun		reg =	<0x1f400000 0x1000>,
22*4882a593Smuzhiyun			<0x10000000 0xf000000>;
23*4882a593Smuzhiyun		lantiq,rcu = <&rcu0>;
24*4882a593Smuzhiyun		lantiq,offset-endianness = <0x4c>;
25*4882a593Smuzhiyun		#address-cells = <1>;
26*4882a593Smuzhiyun		#size-cells = <1>;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun		gptu@e100a00 {
29*4882a593Smuzhiyun			......
30*4882a593Smuzhiyun		};
31*4882a593Smuzhiyun	};
32