I2C 功能

se0_i2c: qupv3_se0_i2c {
                    reg-base = <0xF1900000>;
                    slave-addr = <0x28 0x29 0x12 0x11 0x13 0x15 0x17>;
                    clock-name = <clock_name>;
                    clock-frequency = <19200000>;
                    interrupt = <402>;
                    pinctrl = <address node of pinctrl>;
                    i2c-mode = <2>;
                    addressing-mode = <1 1 1 2 2 2 2>;
                    timestamp = <0 0 0 0 0 0 0>;
                    precmd-delay = <0 0 0 0 0 0 0>;
                    access-mode = <0>;
                    status = <1>;
};