xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/i2c-pxa.txt (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1* Marvell MMP I2C controller
2
3Required properties :
4
5 - reg : Offset and length of the register set for the device
6 - compatible : should be "mrvl,mmp-twsi" where mmp is the name of a
7   compatible processor, e.g. pxa168, pxa910, mmp2, mmp3.
8   For the pxa2xx/pxa3xx, an additional node "mrvl,pxa-i2c" is required
9   as shown in the example below.
10   For the Armada 3700, the compatible should be "marvell,armada-3700-i2c".
11
12Recommended properties :
13
14 - interrupts : the interrupt number
15 - mrvl,i2c-polling : Disable interrupt of i2c controller. Polling
16   status register of i2c controller instead.
17 - mrvl,i2c-fast-mode : Enable fast mode of i2c controller.
18
19Examples:
20	twsi1: i2c@d4011000 {
21		compatible = "mrvl,mmp-twsi";
22		reg = <0xd4011000 0x1000>;
23		interrupts = <7>;
24		mrvl,i2c-fast-mode;
25	};
26
27	twsi2: i2c@d4025000 {
28		compatible = "mrvl,mmp-twsi";
29		reg = <0xd4025000 0x1000>;
30		interrupts = <58>;
31	};
32