Overlay for Armbian to set I2C bus speed on Renegade (ROC-RK3328-CC)

i2c-clock-frequency.dts

/**
 * Execute `armbian-add-overlay i2c-clock-frequency.dts` to
 * automatically compile and add to /boot/armbianEnv.txt
 */

/dts-v1/;
/plugin/;

/ {
  compatible = "rockchip,rk3328";

  fragment@0 {
    target = <&i2c0>;               // Bus 0
    __overlay__ {
      clock-frequency = <0x61A80>;  // 400 Kbps
    //clock-frequency = <0xF4240>;  // 1 Mbps
    };
  };
};