device-tree-bindings/i2c/i2c.txt

1 U-Boot I2C
2 ----------
4 U-Boot's I2C model has the concept of an offset within a chip (I2C target
9 Apart from the controller-specific I2C bindings, U-Boot supports a special
13 - u-boot,i2c-offset-len - length of chip offset in bytes. If omitted the
15 - gpios = <sda ...>, <scl ...>;
16   pinctrl-names = "default", "gpio";
17   pinctrl-0 = <&i2c_xfer>;
18   pinctrl-1 = <&i2c_gpio>;
19     Pin description for I2C bus software deblocking.
23 -------
25 i2c4: i2c@12ca0000 {
26 	cros-ec@1e {
28 		compatible = "google,cros-ec";
29 		i2c-max-frequency = <100000>;
30 		u-boot,i2c-offset-len = <0>;
31 		ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
36 	pinctrl-names = "default", "gpio";
37 	pinctrl-0 = <&i2c1_xfer>;
38 	pinctrl-1 = <&i2c1_gpio>;