Re: RPI CM4 - I2C BUS and Device Tree

Hi Romain, On Mon, 19 Aug 2024 at 01:15, Romain Crausaz wrote: > > Hi Simon, Hi Peter, > > First of all, thanks a lot for your answers. > > 1. When I enable the i2c bus in the config.txt (which is parsed by the rpi > first stage bootloader), the overlay put this as compatible:"brcm,bcm2835". I

Re: RPI CM4 - I2C BUS and Device Tree

Hi Simon, Hi Peter, First of all, thanks a lot for your answers. 1. When I enable the i2c bus in the config.txt (which is parsed by the rpi first stage bootloader), the overlay put this as compatible:"brcm,bcm2835". I checked in the source of U-Boot and the driver is not available. 2. One solutio

Re: RPI CM4 - I2C BUS and Device Tree

+Peter Robinson +Matthias Brugger Hi Romain, On Sat, 17 Aug 2024 at 07:01, Romain Crausaz wrote: > > Hi all, > > > > I am currently facing an issue with U-Boot and a raspberry pi CM4. Here is > the setup: > > > > 1. Yocto Scarthgap > > 2. U-Boot 2024.01 > > 3. rpi_arm64_defconfig > > > > I am tr

Re: RPI CM4 - I2C BUS and Device Tree

Hi, > I am currently facing an issue with U-Boot and a raspberry pi CM4. Here is > the setup: > > > > 1. Yocto Scarthgap > > 2. U-Boot 2024.01 > > 3. rpi_arm64_defconfig > > > > I am trying to access the i2c bus from U-Boot. I have been trying to modify > the device tree which is referenced as > “