1wire DS18b20 on Rock64?

[Rocky64]

May it helps someone, finally I got 1wire work on kernel 5.x.x

Main hint was on github.com from Tonymac32 --- Many thanks!!!

This DT overly worked for me [<&gpio3 4 0> means GPIO3_A4; id100; Pin15] :

Overlay file: rockchip-w1-gpio.dts

Code:

/dts-v1/;
/plugin/;

/ {
    compatible = "pine64,rock64", "rockchip,rk3328";
    fragment@0 {
        target-path = "/";
        __overlay__ {
            w1: onewire@0 {
                compatible = "w1-gpio";
                pinctrl-names = "default";
                gpios = <&gpio3 4 0>;
                status = "okay";
            };
        };
    };
};

Compiling to binary:
dtc -I dts -O dtb rockchip-w1-gpio.dts -o rockchip-w1-gpio.dtbo


Overwriting of existing file:
boot/dtb-5.x.x-rockchip64/rockchip/overlay/rockchip-w1-gpio.dtbo

Than 1Wire can be activated in:
sudo armbian-config
(Activation before changing the overly file crashed my Rock)