• i.MX53 (also i.MX6) PWM Glitches on Duty Cycle Change

    I'm using PWM on the i.MX53 as an LCD Backlight Driver control.   When the brightness is ramped up it all works fine. When it is ramped down there are glitches.   That happens a lot on old and cheap PWM ti...
    last modified by TomE
  • i.MX53, Linux 4.9 and Etnaviv

    We have i.MX53 based custom HW and so far we have been using 2.6 - series kernel since that was the last officially supported one.   I noticed that that Yocto 2.2 have support for i.MX53 and kernel 4.9 has the E...
    mc maddie
    last modified by mc maddie
  • Patch to support adv7180 TVin chip for Freescale Android R10.4 BSP on iMX53 -blog archive

        Freescale Android BSP doesn't support TVin chips, this patch enabled the adv7180 chip for Android.     The followed functions are supported:     1) Android camera app...
    Qiang Li - Mpu Se
    last modified by Qiang Li - Mpu Se
  • i.mx53 Booting from NAND flash using kobs-ng

    Hey folks,   So I've been having some difficulties getting my board to boot from NAND.  I have a working customized u-boot that I can load and run just fine using the serial loader or through JTAG. &...
    Mark Roy
    last modified by Mark Roy
  • GPU on i.MX53

    Hi All. I try build system i.MX53 ( qsb-board) with GPU. I build BSP with Yocto - Rocko , Sumo , Thud , Warrior , Zeus. I see GPU does not work.   After that I build kernel 5.4 with Yocto - Rocko , Sumo , Th...
    Alex Berenshtein
    last modified by Alex Berenshtein
  • i.MX535 Latest official Kernel Release

    Hello All,   We have i.MX535 based custom HW platform which been running on with different OS. We have to port Linux to our Custom i.MX53 platform and our requirement is to port the latest official release done...
    Mohamed Sarjoondeen
    last modified by Mohamed Sarjoondeen
  • runqemu imx8mmevk not working

    i build the yocto image for hardware imx8mmevk by following steps 1)Downloaded meta-freescale-thud bsp and added at poky_thud directory and mentioned layed in bblayer.conf 2)changed machine at local.conf to imx8mmev...
    Omkar Teli
    last modified by Omkar Teli
  • spi first time op error in imx6ull with kernel 4.19.35

    hardware: imx6ull kernel: kernel 4.19.35 in custom board, i use ecspi1 controller two devices,  dts as follow: ecspi1 {    fsl,spi-num-chipselects = <2>;    cs-gpios = <...
    he lun
    last modified by he lun
  • iMX53 camera patch to support CSI->VDI->IC->MEM capture

    The patches are based on iMX53 L2.6.35_ER1109 BSP.   In default linux BSP, the followed two pathes were supported in kernel driver mxc_v4l2_capture.c: CSI->IC->MEM CSI->MEM   After appied these ...
    Qiang Li - Mpu Se
    last modified by Adrian Puga Candelario
  • devmem return bus error

    board: custom board based on imx6ull kernel: 4.19.35 or 4.1.15 i want to see ecspi1 kernel config, we exec 'devmem 200800c 32', it return 'bus error', even though i see ARM: i.MX25: globally disable supervisor ...
    he lun
    last modified by he lun
  • Handling Heap/Stack - Sample application RT1050

    Dear friends,   In developing of a project with i.MXRT1052, I are having difficulty testing the handling of Heap / Stack regions so that the program runs on external RAM (64Mb) rather than internal RAM (96kb). P...
    Rubens Junior
    last modified by Rubens Junior
  • QSPI Flash RT1050 failure

    Dear,   I'm working on a project with the NXP i.MXRT1050 family MIMXRT1052DVL6B processor. For preliminary testing I'm using the MIMXRT1050-EVK development kit. For the initial tests we are using the SDX provide...
    Rubens Junior
    last modified by Rubens Junior
  • LOCSC Interface

    Dear collegues! Happy 2020!   Does anyone know of an interface called locsc for NXP processors?   Best regards. Rubens Júnior.
    Rubens Junior
    last modified by Rubens Junior
  • LOCSC Interface

    Dear collegues! Happy 2020!   Does anyone know of an interface called locsc for NXP processors?   Best regards. Rubens Júnior.
    Rubens Junior
    last modified by Rubens Junior
  • Fixed chip ID reporting in FXOS8700 driver

    Fixed bug in FXOS8700 driver where chip ID would always be reported as 0x0 in an error message when chip id read fails or returns unexpected value during FXOS87000 initialization.
    venkata shuressh
    last modified by venkata shuressh

    Hello Every one, Good morning to all   I am using a sgtl5000 in my console mixer project, I have interfacing through spi , Also I have set all the registers of sgtl5000 , but it doesn't respond any thing.  ...
    vikash chandra raman
    last modified by vikash chandra raman
  • a simple task fails for TCM_L and works well  for flash.

    hello Maybe it is an obvious question but i do not see correct answer. i use mx6sx mcu (a9 and m4 cores inside) and had created a FreeRTOS little test project for TCM_L memory of m4. The project has one little task -...
    oleg scherbinin
    last modified by oleg scherbinin
  • PCIe: Virtual channels

    Hey all,   I need to know which NXP MCUs/MPUs supports more then one Virtual Channel (VC) for PCIe.   I need to realize isochronous data transfers over PCIe.   Thanks in advance!
    Julian Dietrich
    last modified by Julian Dietrich
  • Certain networking packets cause memory leaks in Windows Embedded Compact 7 on i.MX53

    I have been tracking an elusive bug that causes the system to become unresponsive.   It has been proved that the bug is in the Ethernet area of the i.MX53 WinCE7 BSP which happens in certain network environments...
    Eugen Feraru
    last modified by Eugen Feraru
  • Opencv - based image acquisition, qt display

    Opencv - based image acquisition, qt display Everybody is good Imax6q board, qt creator of 5.9.5, kernel 4.1.15   I collect the camera of v4l2 with opencv and display it with the label of qt.Currently it can be ...
    袁 野
    created by 袁 野