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How to describe i2c switch in json file #25

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znning opened this issue Mar 29, 2023 · 1 comment

znning commented Mar 29, 2023

How to describe below i2c topology in json file?

i2c-0------- |--------------------|
             | PCA9548         ch0|----emc1413
             |                 ch1|----ina219
reset_pin----|--------------------|

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edineshkumar commented May 9, 2023

Need to configure Mux in kernel device tree and then you can use corresponded bus number and slave address in json file I guess.

Below is the reference for to configure Mux in DT.

https://github.com/openbmc/linux/blob/dev-6.1/arch/arm/boot/dts/aspeed-bmc-facebook-fuji.dts

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