TSCS454xx Linux Module

This repo provides the Linux driver for the TSCS454xx Audio CODEC.

This driver was upstreamed to 4.18.

NOTE: During testing on Raspberry Pi, Wandboard, and Beagle Bone Black, TDM was found to work differently. Please contact us if you need assistance with TDM.

Raspberry Pi Module Build/Install Directions:

1. Install Kernel Headers

$ sudo apt-get install raspberrypi-kernel-headers

2. Clone the repository

$ git clone https://github.com/Tempo-Semiconductor/tscs454xx_linux_module.git

3. Change directory to the cloned repository

$ cd tscs454xx_linux_module

4. Build Modules and overlay

$ ./build.sh

5. Install Modules and overlay

$ sudo ./install.sh

6. Open /boot/config.txt

$ sudo vi /boot/config.txt

7. At the bottom of the file you will see the following:

dtparam=audio=on

8. Comment it out using # so it appears as the following:

#dtparam=audio=on

9. Enable the tempo sound card by adding the following:

dtoverlay=rpi-tscs454xx-overlay

10. Save and exit vi and reboot