xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/i2c/i2c-fsi.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDevice-tree bindings for FSI-attached I2C master and busses
2*4882a593Smuzhiyun-----------------------------------------------------------
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunRequired properties:
5*4882a593Smuzhiyun - compatible = "ibm,i2c-fsi";
6*4882a593Smuzhiyun - reg = < address size >;		: The FSI CFAM address and address
7*4882a593Smuzhiyun					  space size.
8*4882a593Smuzhiyun - #address-cells = <1>;		: Number of address cells in child
9*4882a593Smuzhiyun					  nodes.
10*4882a593Smuzhiyun - #size-cells = <0>;			: Number of size cells in child nodes.
11*4882a593Smuzhiyun - child nodes				: Nodes to describe busses off the I2C
12*4882a593Smuzhiyun					  master.
13*4882a593Smuzhiyun
14*4882a593SmuzhiyunChild node required properties:
15*4882a593Smuzhiyun - reg = < port number >		: The port number on the I2C master.
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunChild node optional properties:
18*4882a593Smuzhiyun - child nodes				: Nodes to describe devices on the I2C
19*4882a593Smuzhiyun					  bus.
20*4882a593Smuzhiyun
21*4882a593SmuzhiyunExamples:
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun    i2c@1800 {
24*4882a593Smuzhiyun        compatible = "ibm,i2c-fsi";
25*4882a593Smuzhiyun        reg = < 0x1800 0x400 >;
26*4882a593Smuzhiyun        #address-cells = <1>;
27*4882a593Smuzhiyun        #size-cells = <0>;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun        i2c-bus@0 {
30*4882a593Smuzhiyun            reg = <0>;
31*4882a593Smuzhiyun        };
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun        i2c-bus@1 {
34*4882a593Smuzhiyun            reg = <1>;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun            eeprom@50 {
37*4882a593Smuzhiyun                compatible = "vendor,dev-name";
38*4882a593Smuzhiyun            };
39*4882a593Smuzhiyun        };
40*4882a593Smuzhiyun    };
41