required:
- compatible
- reg
- - "#address-cells"
- - "#size-cells"
- interrupts
examples:
i2c@f0000 {
compatible = "snps,designware-i2c";
reg = <0xf0000 0x1000>;
- #address-cells = <1>;
- #size-cells = <0>;
interrupts = <11>;
clock-frequency = <400000>;
};
i2c@1120000 {
compatible = "snps,designware-i2c";
reg = <0x1120000 0x1000>;
- #address-cells = <1>;
- #size-cells = <0>;
interrupts = <12 1>;
clock-frequency = <400000>;
i2c-sda-hold-time-ns = <300>;
reg = <0x100400 0x100>, <0x198 0x8>;
pinctrl-0 = <&i2c_pins>;
pinctrl-names = "default";
- #address-cells = <1>;
- #size-cells = <0>;
interrupts = <8>;
clocks = <&ahb_clk>;
};