Embedded module TQMa7x - PTXdist Linux BSP documentation






U-Boot

Supported Features
Buildsystem BSP Revision
PTXdist
Yocto
TQ Product Chip Interface Function 0101 0105 0108 0111
TQMa7x i.MX7 Ethernet 2x RGMII (10/100/1000 Mbit/s)
TQMa7x i.MX7 Fuses
TQMa7x i.MX7 GPIO custom config on request
TQMa7x i.MX7 I²C EEPROM, Temperature Sensors, RTC
TQMa7x i.MX7 qSPI QSPI SPI NOR Flash
TQMa7x i.MX7 UART6 RS232 default console
TQMa7x i.MX7 USB USB Storage Device
TQMa7x i.MX7 uSDHC eMMC / SD-Card SD card / eMMC

U-Boot

Supported boot devices
Boot device BSP Revision Remarks
0101 0105 0108 0111
eMMC
SD
QSPI NOR-Flash


Linux

Supported Features
Buildsystem BSP Revision
PTXdist
Yocto
TQ Product Chip Interface Function Pre-Release 0101
only tested with MBa7x REV.0200
0105
only tested with MBa7x REV.0200
0108 0111
TQMa7x i.MX7 ADC1 Touch Interface not tested
i.MX7 ADC2 tested with IIO device
i.MX7 CSI Parallel CSI on request
i.MX7 eCSPI1 exported as spidev
i.MX7 eCSPI2 exported as spidev
i.MX7 EIM Bus access no device on MBa7x
on request
i.MX7 ENET1 RGMII
(10/100/1000 Mbit/s)
incompatible with MBa7x Rev.010x
i.MX7 ENET2 RGMII
(10/100/1000 Mbit/s)
incompatible with MBa7x Rev.010x
i.MX7 EPDC conflicts with QSPI NOR
no device on MBa7x
i.MX7 FLEXCAN1 CAN 2.0B
i.MX7 FLEXCAN2 CAN 2.0B
i.MX7 FLEXTIMER not tested
i.MX7 GPMI no device on TQMa7x / MBa7x
check pin multiplexing if needed on custom baseboard
i.MX7 I2C1 I2C devices see supported onboard I2C devices
i.MX7 I2C2 I2C devices see supported onboard I2C devices
i.MX7 JTAG not tested
i.MX7 KPP not tested
i.MX7 LCD1 Parallel LCD LVDS and LCD1 are mutually exclusive
special devicetree needed
i.MX7 MIPI CSI no device on MBa7x
i.MX7 MIPI DSI no device on MBa7x
i.MX7 MQS no device on MBa7X
i.MX7 PCIe Host controller Tested with Realtek NIC
only available on i.MX7 Dual
only supported on NXP Linux kernel
i.MX7 PWM1 PWM controller special devicetree needed for backlight
i.MX7 QSPI Bus access
Memory access
i.MX7 SAI1 TLV320AIC3204
i.MX7 SIM Tested with NXP Test application
i.MX7 TAMPER not tested
i.MX7 TEMPMON Temperature read
i.MX7 UART3 TTL available on X25
i.MX7 UART4 TTL available on X24
i.MX7 UART5 TTL available on X25
i.MX7 UART6 RS232 Default Console
i.MX7 UART7 RS485
i.MX7 USB_Host USB4604 requires BSP REV ≥ 0105 for TQMa7S
i.MX7 USB_OTG1 Host requires BSP REV ≥ 0105 for TQMa7S
i.MX7 USB_OTG1 OTG Tested with serial downloader mode
requires BSP REV ≥ 0105 for TQMa7S
i.MX7 USB_OTG2 Host only available on i.MX7 Dual
i.MX7 USB_OTG2 OTG only available on i.MX7 Dual
i.MX7 uSDHC uSDHC1 SD Card
uSDHC3 eMMC
HS200 / HS400 Mode for uSDHC3

HS MODE for SD Card on uSDHC1 needs switchable supply voltage, not available on MBA7x
i.MX7 WDOG1 Necessary changes for MBa7x Rev.0100
MBa7x PCA9555 I2C port expander
PCA9555 I2C Port Expander Buzzer
PCA9555 I2C Port Expander 4x GPIO
PCA9555 I2C Port Expander 3x GPIO Key not usable as wakeup source
PCA9555 I2C Port Expander 2x LED
Smart Card SIM Tested with NXP test application
SNVS Reset Reset, PMIC-
Reset, Power-
down, Wake-Up
SN75LVDS83B LVDS LVDS and LCD1 are mutually exclusive
special devicetree needed
TLV320AIC3204 Headphone Out/
Line Out
selectable by using solder straps on MBa7x
Line In noisy audio record with default settings
Microphone In TBD
USB4604 USB1 Host requires BSP REV ≥ 0105 for TQMa7S
USB4604 USB2 Host requires BSP REV ≥ 0105 for TQMa7S
USB4604 USB3 Host requires BSP REV ≥ 0105 for TQMa7S
USB4604 USB4 Host requires BSP REV ≥ 0105 for TQMa7S

I2C Device Overview

TQMa7x / MBa7x REV.02xx

I2C bus TQMa7x
I2C1 0x08
PMIC
0x1e
SE97BTP (tempsensor)
0x50
EEPROM
0x68
RTC
0x56
SE97BTP (eeprom)
0x36
SE97BTP
I2C bus MBa7x
I2C1 0x49
LM75A
I2C2 0x18
Audiocodec
0x2D
HSIC HUB
0x20
I2C GPIO expander
0x6A Clock generator

TQMa7x / MBa7x REV.01xx

I2C bus TQMa7x
I2C1 0x08
PMIC
0x48
LM75A
0x50
EEPROM
0x68
RTC
I2C bus MBa7x
I2C1 0x49
LM75A
I2C2 0x18
Audiocodec
0x2D
HSIC HUB
0x20
I2C GPIO expander
0x6A Clock generator


BSP Version History

TQMa7x.BSP.SW.0108

TQMa7x.BSP.SW.0105

TQMa7x-BSP

  • QSPI Boot Support
  • poor mans splash screen
  • improved Display Support (DMB, Glyn)
  • new verison for eGTouchD
  • new version for fbtest
  • fix / add license naming in rule files
  • new version for e2fsutils
  • slim Qt5 enable config to enable QSPI rootfs
  • fix audio out quality
  • enable hwrngd

Linux

  • improve kernel config
  • QSPI RootFS support
  • device tree split for HW rev 0100 / 0200
  • device tree split for TQMa7S / TQMa7D
  • improved Display Support (glyn, dmb)
  • improved support for FocalTech FT50x touch controller
  • improved QSPI support (1-1-4 command set)
  • improved MMC support (backport sysfs entries fro OCR, DSR)

U-Boot

  • QSPI Boot support
  • QSPI boot environment settings
  • UBI support
  • MTD partitioning
  • automatic device tree name calculation if no devicetree name in env
  • rely on device Tree for TQMa7S / TQMa7D instead of device tree patching
  • Hardware revision detection
  • support for TQMa7x Revision 0100 / 0200
  • enable USB support for HSIC phy

TQMa7x.BSP.SW.0101