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

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(/dev/bone/i2c/6)
(SPI)
Line 45: Line 45:
  
 
= SPI =
 
= SPI =
== /dev/bone/spi/1.0 ==
+
== /dev/bone/spi/1.''x'' ==
AM335x SPI0 CS0<br>
+
AM335x SPI0<br>
AM5729 SPx
+
AM5729 SPI2
* P9.17 - CS
 
 
* P9.18 - MOSI
 
* P9.18 - MOSI
 
* P9.21 - MISO
 
* P9.21 - MISO
 
* P9.22 - CLK
 
* P9.22 - CLK
  
== /dev/bone/spi/1.1 ==
+
=== /dev/bone/spi/1.0 ===
 +
AM335x SPI0 CS0<br>
 +
AM5729 SPI2 CS0
 +
* P9.17 - CS
 +
 
 +
=== /dev/bone/spi/1.1 ==
 
AM335x SPI0 CS1<br>
 
AM335x SPI0 CS1<br>
 +
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<br>
 +
AM5729 SPx
 +
* P9.20 - CS
 +
* P9.30 - MOSI
 +
* P9.29 - MISO
 +
* P9.31 - CLK
 +
 +
== /dev/bone/spi/2.1 ==
 +
AM335x SPI1 CS1<br>
 
AM5729 SPx
 
AM5729 SPx
* P9.42 - CS
+
* P9.19 - CS
* P9.18 - MOSI
+
* P9.30 - MOSI
* P9.21 - MISO
+
* P9.29 - MISO
* P9.22 - CLK
+
* P9.31 - CLK
  
 
= UART =
 
= UART =

Revision as of 11:13, 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