xref: /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/i2c/i2c-at91.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunI2C for Atmel platforms
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties :
4*4882a593Smuzhiyun- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c",
5*4882a593Smuzhiyun     "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c",
6*4882a593Smuzhiyun     "atmel,at91sam9x5-i2c", "atmel,sama5d4-i2c" or "atmel,sama5d2-i2c".
7*4882a593Smuzhiyun- reg: physical base address of the controller and length of memory mapped
8*4882a593Smuzhiyun     region.
9*4882a593Smuzhiyun- #address-cells = <1>;
10*4882a593Smuzhiyun- #size-cells = <0>;
11*4882a593Smuzhiyun- clocks: phandles to input clocks.
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunOptional properties:
14*4882a593Smuzhiyun- clock-frequency: Desired I2C bus frequency in Hz, default value is 100000.
15*4882a593Smuzhiyun- Child nodes conforming to i2c bus binding.
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunExamples :
18*4882a593Smuzhiyun
19*4882a593Smuzhiyuni2c0: i2c@f8028000 {
20*4882a593Smuzhiyun	compatible = "atmel,sama5d2-i2c";
21*4882a593Smuzhiyun	reg = <0xf8028000 0x100>;
22*4882a593Smuzhiyun	#address-cells = <1>;
23*4882a593Smuzhiyun	#size-cells = <0>;
24*4882a593Smuzhiyun	clocks = <&twi0_clk>;
25*4882a593Smuzhiyun	clock-frequency = <100000>;
26*4882a593Smuzhiyun};
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