Difference between revisions of "Beagleboard:BeagleBone cape interface spec"

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(SPI)
(I2C)
Line 2: Line 2:
  
 
= I2C =
 
= I2C =
== /dev/bone/i2c/1 ==
+
=== /dev/bone/i2c/1 ===
 
AM3358 I2C1<br>
 
AM3358 I2C1<br>
 
AM5729 I2C5
 
AM5729 I2C5
Line 8: Line 8:
 
* P9.18 - SDA
 
* P9.18 - SDA
  
== /dev/bone/i2c/2 ==
+
=== /dev/bone/i2c/2 ===
 
AM3358 I2C2<br>
 
AM3358 I2C2<br>
 
AM5729 I2C4
 
AM5729 I2C4
Line 14: Line 14:
 
* P9.20 - SDA
 
* P9.20 - SDA
  
== /dev/bone/i2c/3 ==
+
=== /dev/bone/i2c/3 ===
 
AM3358 I2C1<br>
 
AM3358 I2C1<br>
 
AM5729 I2C3
 
AM5729 I2C3
Line 20: Line 20:
 
* P9.26 - SDA
 
* P9.26 - SDA
  
== /dev/bone/i2c/4 ==
+
=== /dev/bone/i2c/4 ===
 
AM3358 I2C2<br>
 
AM3358 I2C2<br>
 
AM5729 ''N/A''
 
AM5729 ''N/A''
Line 26: Line 26:
 
* P9.22 - SDA
 
* P9.22 - SDA
  
== /dev/bone/i2c/5 ==
+
=== /dev/bone/i2c/5 ===
 
AM3358 ''N/A''<br>
 
AM3358 ''N/A''<br>
 
AM5729 I2C3
 
AM5729 I2C3
Line 32: Line 32:
 
* P9.31 - SDA
 
* P9.31 - SDA
  
== /dev/bone/i2c/6 ==
+
=== /dev/bone/i2c/6 ===
 
AM3358 ''N/A''<br>
 
AM3358 ''N/A''<br>
 
AM5729 I2C4
 
AM5729 I2C4
Line 38: Line 38:
 
* P9.12 - SDA
 
* P9.12 - SDA
  
== /dev/bone/i2c/7 ==
+
=== /dev/bone/i2c/7 ===
 
AM3358 ''N/A''<br>
 
AM3358 ''N/A''<br>
 
AM5729 I2C4
 
AM5729 I2C4

Revision as of 11:15, 9 April 2019

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

AM335x SPI0
AM5729 SPI2

  • P9.18 - MOSI
  • P9.21 - MISO
  • P9.22 - CLK

/dev/bone/spi/1.0

AM335x SPI0 CS0
AM5729 SPI2 CS0

  • P9.17 - CS

/dev/bone/spi/1.1

AM335x SPI0 CS1
AM5729 SPI2 GPIO4_18

  • P9.42 - CS

/dev/bone/spi/1.1a

AM5729 SPI2 CS1

  • P9.23 - CS

/dev/bone/spi/2.0

AM335x SPI1 CS0
AM5729 SPx

  • P9.20 - CS
  • P9.30 - MOSI
  • P9.29 - MISO
  • P9.31 - CLK

/dev/bone/spi/2.1

AM335x SPI1 CS1
AM5729 SPx

  • P9.19 - CS
  • P9.30 - MOSI
  • P9.29 - MISO
  • P9.31 - CLK

UART

CAN

PWM