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Interfacing (DSI, CSI, I2C, etc.) • Re: Touchscreen not being detected by i2cdetect

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I hope it's clear enough to see, tell me otherwise.
also want to see the output of

Code:

i2cdetect -lls /sys/bus/i2c/driverssudo i2cdetect -y 0sudo i2cdetect -y 1
i2cdetect -l:

Code:

i2c-1   i2c             bcm2835 (i2c@7e804000)                  I2C adapteri2c-2   i2c             bcm2835 (i2c@7e805000)                  I2C adapter
ls /sys/bus/i2c/drivers:

Code:

dummy  edt_ft5x06  stmpe-i2c
Both i2cdetect -y 1 and i2cdetect -y 2 output the same thing:

Code:

     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f00:                         -- -- -- -- -- -- -- --10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --70: -- -- -- -- -- -- -- --
Please post your config.txt

Code:

# For more options and information see http://rptl.io/configtxt Some settings may impact device functionality.# See link above for detailsdtdebug=1# Uncomment some or all of these to enable the optional hardware interfacesdtparam=i2c_arm=on#dtparam=i2s=ondtparam=spi=on# Enable audio (loads snd_bcm2835)dtparam=audio=on# Additional overlays and parameters are documented# /boot/firmware/overlays/README# Automatically load overlays for detected camerascamera_auto_detect=1# Automatically load overlays for detected DSI displaysdisplay_auto_detect=1# Automatically load initramfs files, if foundauto_initramfs=1# Enable DRM VC4 V3D driverdtoverlay=vc4-kms-v3dmax_framebuffers=2dtoverlay=mipi-dbi-spi,speed=48000000dtparam=compatible=4in\0panel-mipi-dbi-spidtparam=width=480,height=320,width-mm=84,height-mm=56dtparam=reset-gpio=27,dc-gpio=22dtoverlay=ft6336u# Don't have the firmware create an initial video= setting in cmdline.txt.# Use the kernel's default instead.disable_fw_kms_setup=1# Run in 64-bit modearm_64bit=1# Disable compensation for displays with overscandisable_overscan=1# Run as fast as firmware / board allowsarm_boost=1[cm4]# Enable host mode on the 2711 built-in XHCI USB controller.# This line should be removed if the legacy DWC2 controller is required# (e.g. for USB device mode) or if USB support is not required.otg_mode=1[cm5]dtoverlay=dwc2,dr_mode=host[all]

Statistics: Posted by Flamethrower — Tue Apr 08, 2025 3:49 pm



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