Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...
[deliverable/linux.git] / Documentation / devicetree / bindings / i2c / i2c-mv64xxx.txt
1
2 * Marvell MV64XXX I2C controller
3
4 Required properties :
5
6 - reg : Offset and length of the register set for the device
7 - compatible : Should be either:
8 - "allwinner,sun4i-a10-i2c"
9 - "allwinner,sun6i-a31-i2c"
10 - "marvell,mv64xxx-i2c"
11 - "marvell,mv78230-i2c"
12 - "marvell,mv78230-a0-i2c"
13 * Note: Only use "marvell,mv78230-a0-i2c" for a
14 very rare, initial version of the SoC which
15 had broken offload support. Linux
16 auto-detects this and sets it appropriately.
17 - interrupts : The interrupt number
18
19 Optional properties :
20
21 - clock-frequency : Desired I2C bus clock frequency in Hz. If not set the
22 default frequency is 100kHz
23
24 - resets : phandle to the parent reset controller. Mandatory
25 whenever you're using the "allwinner,sun6i-a31-i2c"
26 compatible.
27
28 Examples:
29
30 i2c@11000 {
31 compatible = "marvell,mv64xxx-i2c";
32 reg = <0x11000 0x20>;
33 interrupts = <29>;
34 clock-frequency = <100000>;
35 };
36
37 For the Armada XP:
38
39 i2c@11000 {
40 compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c";
41 reg = <0x11000 0x100>;
42 interrupts = <29>;
43 clock-frequency = <100000>;
44 };
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