TRay's post in OrangePiZero 3 and w1-gpio for DS18B20 was marked as the answer
I used simple dts file as possible :
/dts-v1/;
/plugin/;
/ {
model = "OrangePi Zero3";
compatible = "xunlong,orangepi-zero3", "allwinner,sun50i-h618";
fragment@0 {
target-path = "/";
__overlay__ {
w1: onewire@0 {
compatible = "w1-gpio";
pinctrl-names = "default";
gpios = <&pio 2 7 0>;
status = "okay";
};
};
};
};
compiled:
armbian-add-overlay w1-gpio.dts
and works 🙂 with armbianEnv.txt
user_overlays=w1-gpio
param_w1_pin=PC10
param_w1_pin_int_pullup=0
demsg show
[ 5.015541] Driver for 1-wire Dallas network protocol.
[ 5.019754] gpio-74 (onewire@0): enforced open drain please flag it properly in DT/ACPI DSDT/board file
[ 5.046831] w1_master_driver w1_bus_master1: Attaching one wire slave 28.03165129ecff crc 24
and
cat /sys//bus/w1/devices/28-03165129ecff/w1_slave
76 01 4b 46 7f ff 0c 10 d3 : crc=d3 YES
76 01 4b 46 7f ff 0c 10 d3 t=23375
SBC DS18B20
VCC (3V3) Pin 1 ---------- VCC DS18B20
|
R1 = 4k7
|
GPIO74 Pin 26 --------- Data DS18B20
GND Pin 6 ---------- GND DS18B20
