This is a modified WiringPi for OrangePi-PC2 in AllWinner H5. We call it WiringOP. Test fo Orangepi pc
git clone https://github.com/KGDsave/WiringOP/WiringOP_H5.git
cd WiringOP
sudo sh build
gpio -v
gpio readall
root@orangepipc2:~# gpio readall
+-----+-----+----------+------+---+-Orange Pi-PC2+---+------+---------+-----+--+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
| | | 3.3v | | | 1 || 2 | | | 5v | | |
| 12 | 8 | SDA.0 | ALT3 | 0 | 3 || 4 | | | 5V | | |
| 11 | 9 | SCL.0 | ALT3 | 0 | 5 || 6 | | | 0v | | |
| 6 | 7 | GPIO.7 | ALT3 | 0 | 7 || 8 | | | TxD3 | | |
| | | 0v | | | 9 || 10 | | | RxD3 | | |
| 1 | 0 | RxD2 | ALT3 | 0 | 11 || 12 | 0 | ALT3 | GPIO.1 | 1 | 110 |
| 0 | -1 | TxD2 | | | 13 || 14 | | | 0v | | |
| 3 | 3 | CTS2 | ALT3 | 0 | 15 || 16 | 0 | ALT3 | GPIO.4 | 4 | 68 |
| | | 3.3v | | | 17 || 18 | 0 | ALT3 | GPIO.5 | 5 | 71 |
| 64 | -1 | MOSI | | | 19 || 20 | | | 0v | | |
| 65 | -1 | MISO | | | 21 || 22 | 0 | ALT3 | RTS2 | 6 | 2 |
| 66 | 16 | SCLK | ALT3 | 0 | 23 || 24 | 0 | ALT3 | CE0 | 15 | 67 |
| | | 0v | | | 25 || 26 | 0 | ALT3 | GPIO.11 | 11 | 21 |
| 19 | 30 | SDA.1 | ALT3 | 0 | 27 || 28 | 0 | ALT3 | SCL.1 | 31 | 18 |
| 7 | 21 | GPIO.21 | ALT3 | 0 | 29 || 30 | | | 0v | | |
| 8 | 22 | GPIO.22 | ALT3 | 0 | 31 || 32 | 0 | ALT3 | RTS1 | 26 | 200 |
| 9 | 23 | GPIO.23 | ALT3 | 0 | 33 || 34 | | | 0v | | |
| 10 | 24 | GPIO.24 | ALT3 | 0 | 35 || 36 | 0 | ALT3 | CTS1 | 27 | 201 |
| 20 | -1 | GPIO.25 | | | 37 || 38 | 0 | ALT3 | TxD1 | 28 | 198 |
| | | 0v | | | 39 || 40 | 0 | ALT3 | RxD1 | 29 | 199 |
+-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+----------+------+---+-Orange Pi-PC2+------+----------+-----+-----+
root@orangepipc2:~#
Thanks!