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Subj : gpio on x86
To : *
From : Gerrit Kuehn
Date : Thu May 12 2022 06:33 pm

Hello *!

I have an Intel-based mainboard with build-in gpios that I'd like to use. However, I cannot get the kernel (5.16) to recognise the chip (NXP PCA9554). To my understanding, this should be supported with the gpio_pca953x kernel module. Upon loading this, the kernel reports no device or chip found, so all further actions via /sys/class/gpio/ or gpioinfo return nothing.

Any ideas what I might be missing here?


Regards,
Gerrit

.... 6:34PM up 50 days, 23:40, 8 users, load averages: 0.52, 0.52, 0.45

--- msged/fbsd 6.3 2021-12-02
* Origin: We are the second generation (2:240/12)

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