# apt-get update
# apt-get install -y git
# git clone https://github.com/BigQubot/wiringPi.git
# cd wiringPi
# ./build clean
# ./build
The output of the gpio readall command
Banana Pi M4Berry / M4Zero
+------+-----+----------+--------+---+BPI-M4B/Z +---+--------+----------+-----+------+
| GPIO | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | GPIO |
+------+-----+----------+--------+---+----++----+---+--------+----------+-----+------+
| | | 3.3V | | | 1 || 2 | | | 5V | | |
| 208 | 0 | SDA.4 | OFF | 0 | 3 || 4 | | | 5V | | |
| 207 | 1 | SCL.4 | OFF | 0 | 5 || 6 | | | GND | | |
| 211 | 2 | PWM.1 | OFF | 0 | 7 || 8 | 0 | ALT2 | TXD.1 | 3 | 198 |
| | | GND | | | 9 || 10 | 0 | ALT2 | RXD.1 | 4 | 199 |
| 226 | 5 | TXD.5 | ALT2 | 0 | 11 || 12 | 0 | OFF | PCM_BCLK | 6 | 203 |
| 227 | 7 | RXD.5 | ALT2 | 0 | 13 || 14 | | | GND | | |
| 194 | 8 | PG02 | OFF | 0 | 15 || 16 | 0 | OFF | RTS.1 | 9 | 200 |
| | | 3.3V | | | 17 || 18 | 0 | OFF | CTS.1 | 10 | 201 |
| 231 | 11 | MOSI.1 | ALT4 | 0 | 19 || 20 | | | GND | | |
| 232 | 12 | MISO.1 | ALT4 | 0 | 21 || 22 | 0 | OFF | PG01 | 13 | 193 |
| 230 | 14 | SCLK.1 | ALT4 | 0 | 23 || 24 | 0 | OFF | CS0.1 | 15 | 229 |
| | | GND | | | 25 || 26 | 0 | ALT4 | CS1.1 | 16 | 233 |
| 210 | 17 | SDA.3 | OFF | 0 | 27 || 28 | 0 | OFF | SCL.3 | 18 | 209 |
| 195 | 19 | PG03 | OFF | 0 | 29 || 30 | | | GND | | |
| 196 | 20 | PG04 | OFF | 0 | 31 || 32 | 0 | OFF | PG00 | 21 | 192 |
| 197 | 22 | PG05 | OFF | 0 | 33 || 34 | | | GND | | |
| 204 | 23 | PCM_LRCK | OFF | 0 | 35 || 36 | 0 | OFF | SPDIF | 24 | 228 |
| 202 | 25 | PCM_MCLK | OFF | 0 | 37 || 38 | 0 | OFF | PCM_IN | 26 | 206 |
| | | GND | | | 39 || 40 | 0 | OFF | PCM_OUT | 27 | 205 |
+------+-----+----------+--------+---+----++----+---+--------+----------+-----+------+
| GPIO | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | GPIO |
+------+-----+----------+--------+---+BPI-M4B/Z +---+--------+----------+-----+------+