Beagleboard:BeagleBone cape interface spec
This is a list of symlink interfaces based on BeagleBone Cape header pins.
I2C
/dev/bone/i2c/1
AM3358 I2C1
AM5729 I2C5
- P9.17 - SCL
- P9.18 - SDA
/dev/bone/i2c/2
AM3358 I2C2
AM5729 I2C4
- P9.19 - SCL
- P9.20 - SDA
/dev/bone/i2c/3
AM3358 I2C1
AM5729 I2C3
- P9.24 - SCL
- P9.26 - SDA
/dev/bone/i2c/4
AM3358 I2C2
AM5729 N/A
- P9.21 - SCL
- P9.22 - SDA
/dev/bone/i2c/5
AM3358 N/A
AM5729 I2C3
- P9.29 - SCL
- P9.31 - SDA
/dev/bone/i2c/6
AM3358 N/A
AM5729 I2C4
- P9.27 - SCL
- P9.12 - SDA
/dev/bone/i2c/7
AM3358 N/A
AM5729 I2C4
- P8.37 - SCL
- P8.38 - SDA
SPI
/dev/bone/spi/1.x
AM3358 SPI0
AM5729 SPI2
- P9.18 - MOSI
- P9.21 - MISO
- P9.22 - CLK
/dev/bone/spi/1.0
AM3358 SPI0 CS0
AM5729 SPI2 CS0
- P9.17 - CS
/dev/bone/spi/1.1
AM3358 SPI0 CS1
AM5729 SPI2 GPIO4_18
- P9.42 - CS
/dev/bone/spi/2.x
AM3358 SPI1
AM5729 SPI3
- P9.30 - MOSI
- P9.29 - MISO
- P9.31 - CLK
/dev/bone/spi/2.0
AM3358 SPI1 CS0
AM5729 SPI3 CS0
- P9.28 - CS
/dev/bone/spi/2.1
AM3358 SPI1 TBD
AM5729 SPI3 CS1
- P9.42 - CS
/dev/bone/spi/2.2
AM3358 SPI1 CS1
AM5729 SPI3 GPIO7_11
- P9.23 - CS