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[linux-3.10.git] / Documentation / devicetree / bindings / i2c / cavium-i2c.txt
1 * Two Wire Serial Interface (TWSI) / I2C
2
3 - compatible: "cavium,octeon-3860-twsi"
4
5   Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs.
6
7 - reg: The base address of the TWSI/I2C bus controller register bank.
8
9 - #address-cells: Must be <1>.
10
11 - #size-cells: Must be <0>.  I2C addresses have no size component.
12
13 - interrupts: A single interrupt specifier.
14
15 - clock-frequency: The I2C bus clock rate in Hz.
16
17 Example:
18         twsi0: i2c@1180000001000 {
19                 #address-cells = <1>;
20                 #size-cells = <0>;
21                 compatible = "cavium,octeon-3860-twsi";
22                 reg = <0x11800 0x00001000 0x0 0x200>;
23                 interrupts = <0 45>;
24                 clock-frequency = <100000>;
25
26                 rtc@68 {
27                         compatible = "dallas,ds1337";
28                         reg = <0x68>;
29                 };
30                 tmp@4c {
31                         compatible = "ti,tmp421";
32                         reg = <0x4c>;
33                 };
34         };