i want find out nx gpio03 is which chip, i want control /sys/class/gpio

hello lorilovebird, please refer to L4T sources package for public release sources. you may check the header file for the details of Tegra’s GPIO IDs. for example, $L4T_Sources/r32.4.3/Linux_for_Tegra/source/public/kernel/kernel-4.9/include/dt-bindings/gpio/tegra186-gpio.h /* GPIOs implemented …

How to find out GPIO03 is which gpiochip and number?

Autonomous Machines Jetson & Embedded Systems Jetson Xavier NX

JerryChang September 15, 2020, 5:57am 3

hello lorilovebird,

please access pinmux spreadsheets to check that.
you may also refer to Topic 145524 for an example,
thanks

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How to find out GPIO03 is which gpiochip and number?

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