User's Manual
42
Linux Kernel and BSP
Other
Power Management
USB
Validated Configuration
Development/Debug
Table 5-1 Linux features
# Feature Feature description
2.1 Device Drivers
2.1.1 UART Driver Peripheral driver for Universal
Asynchronous Receiver/Transmitter
2.1.2 I2C Driver Peripheral driver for Inter-IC bus up to
100 kbps or 400 kbps for Fast mode
2.1.3 I2S Driver Peripheral driver for Inter-IC sound
bus. I2S is an industry standard
(invented by Philips) three-wire
interface for streaming stereo audio
between devices. Typical applications
include digital audio transfer between
a CPU/DSP and a DAC/ADC. The I2S
core allows a Wishbone master to
stream stereo audio to and from I2S
capable devices.
2.1.4 SD/MMC Interface Secure digital memory support.
2.1.5 SDIO Secure digital input/output
Two controller ports
Up to 48 MHz
4-bit interface
Interface through Linux MMC stack
2.1.6 WLAN driver Support for wireless networking over
SDIO
2.1.7 SPI Driver Peripheral driver for Serial Peripheral
Interface bus can use Data Mover and
clock up to 26 MHz
2.1.8 SSBI Driver Driver for SSBI (Single-Wire Serial
Bus Interface) bus hardware cores
2.1.9 2KB. 4KB, and 8KB size pages
SLC NAND x8 and x16
Flash driver support for 8-bit and
16-bit Single Level Cell (SLC) NAND
devices with 2k page size
2.2 Modem Interface
2.2.1 AT Command Support (GCF) Support for AT commands required for
GCF testing. See document
80-VR432-1 for details.
2.2.2 Dial-up Networking over USB Support for tethered dial-up
networking over USB
2.2.3 QMI QMI is to be used by 3rd party
operating systems to configure the