• dev_pm_opp_get_opp_count: device OPP not found (-19) error while booting imx6ull

    Hi, I am facing dev_pm_opp_get_opp_count: device OPP not found (-19) error while booting Linux 4.1.15 on custom imx6ull board. I have tried by changing the CPU frequency in .dts file, adding the PMIC drivers and refe...
    Rohit Raj
    last modified by Rohit Raj
  • Custom IMX8MM Board's DDR3L DS Config

    Hello all,   We made a custom board based on iMX8MM chip, with DDR3L RAM. We are using Yocto project to build an compatible image for the DDR3L : imx8mmddr3lval Yocto provides a ready imx-boot to flash the eMM...
    chaabani houssem
    last modified by chaabani houssem

    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
  • [iMX6qdl]: how to reinitialize iomux/pad registers again after resume

    The specified item was not found. imx6: i2c_transfer timeout issue after resume [i.MX6] Suspend/resume implementation for dw_hdmi-imx.c Fabio Fabio i.MX Processors display controller subsystem hdmi lvds mipi dsi ...
    last modified by PINTU KUMAR
  • Can't find PMIC[Error]

    Hi, I am using i.MX6ULL based board having PMIC(PFUZE3001) in which I am continuously power cycling the board for every 10 seconds. An application of SNVS RTC-wakeup is used to power ON the board after every 10 secon...
    Akash Nair
    last modified by Akash Nair
  • Custom imx8mm DDR3

    Hello   We know that iMX8MM boards use low power DDR4 and getting 1.1V from PMIC while running up the board, But we made our custom board based on the same iMX8MM architecture but we chose to use DDR3 instead, ...
    chaabani houssem
    last modified by chaabani houssem
  • 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
  • HID detection issue

    I have been facing HID Detection issues. Few boards get detected. Whereas the detecting boards are found to have the same issue sometimes. There are no hardware changes that can be differentiated between detecting and...
    Annie Varshitha
    last modified by Annie Varshitha
  • imx8mm insmod galcore.ko error

    root@imx8mmevk:~# insmod galcore.ko [   82.837344] galcore: loading out-of-tree module taints kernel. [   82.879751] galcore: clk_get vg clock failed, disable vg! [   82.888590] Galcore v...
    jianfei chang
    last modified by jianfei chang
  • How to get clock on CCM_CLKO1 for imx6q

    Hi,   I am working on imx6q board. I am trying to get clock on CCM_CLKO1 (D16 Pin) 24MHz or 12MHz.   while ov5640_mipi is loading i am getting clock for 1 sec later it is disabled. Some times it is showing...
    Vasu Sriram
    last modified by Vasu Sriram
  • Watchdog on imx

    Hello, What do you think of using the imx internal watchdog timer with fsl,ext-reset-output dts property to output reset signal to PMIC ?   Is it safe enough, and guaranteed that the Low frequency ref...
    last modified by matt67
  • PF3001+IMX6ULL temperature shutoff mechanism for longer duration

    Hi,   We have a requirement of temperature shutoff mechanism with IMX6ull + PF3001, we need help in root causing one issue as described below. Looking forward to a helping response to the issue.     S...
    Vivek Rajpara
    last modified by Vivek Rajpara
  • Can I ON/OFF control PF0100 power by procfs or sysfs?

    Hello community,   I hope to test enable/disable each PMIC power channel from command line. Does it have some method to enable/disable each PMIC power channel?   Especially, I hope to enable/disable PMIC_...
    Takayuki Ishii
    last modified by Takayuki Ishii
  • How to configure RDC?

    The board what i used is i.MX 8MQuad Assessment Suite, And the MCUXpresso SDK is version 2.6 Now i testting Contex m4 pwm demo with pwm4 which under driver_examples folder. It will be successful output waveform when ...
    yingjin yan
    last modified by yingjin yan
  • Does i.MX7D support internal PMIC mode?

    Hello, Igor-san,   According to the following thread, you said that i.MX7D Internal PMIC mode is not supported. About Power mode transitions-2    Your comments: >The configurations enclosed in re...
    Mamoru Kanou
    last modified by Mamoru Kanou
  • PF3000 LICELL power consumption

    On debugging an i.MX7 based system with a PF3000 i realized the battery voltage of the LICELL in the system drops rapidly (>1 mV/s). The battery used is a 5.5mAh rechargable Li battery (Type MS621FE-FL11E). &#...
    Lars Heinrichs
    last modified by Lars Heinrichs
  • MX7 with PF3000, Boost regulator and Supercaps

    Our system uses an i.MX7D as its core, powered by a PF3000. Most of the systems peripherals are powered by an external 3V3 buck-boost regulator. Two supercaps in a row provide a <5V backup power source.   I a...
    Lars Heinrichs
    last modified by Lars Heinrichs
  • How to enable the drivers of camera module in imx-warp7

    Hi,       I have problem with enabling the drivers of the camera module. I have configured the menuconfig according to the attached document what they have explained and I have enabled the MX...
    vinod hulagabali
    last modified by vinod hulagabali
  • How to take A7 core to Deep Sleep Mode while keeping M4 core and some peripherals alive ?

    In our application , it is necessary to keep the M4 alive in certain situations , while shutting down the A7 core inorder to save power . Going by the details present in the Technical Reference Manual , we can configu...
    harish Ganesan
    last modified by harish Ganesan
  • Imx6q SoM Bootloader not Getting flashed?

    Hi all, I have made a System on Module (SoM) based on Imx6q SoC with 4 GB RAM and 32 GB eMMC storage. The SoM is a double sided PCB with almost exactly same component placement, PCB stack up and routing typologies (...
    Bhagath Cheela
    last modified by Bhagath Cheela