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Add a GPIO driver for the Raspberry Pi firmware GPIOs
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Authored by andrew on Jul 28 2020, 2:33 PM.
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Details

Summary

These exist on the Raspberry Pi 3 and 4 and control and external IO
expander.

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rS FreeBSD src repository - subversion
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Event Timeline

manu added inline comments.
sys/arm/broadcom/bcm2835/raspberrypi_gpio.c
172 ↗(On Diff #75066)

Is all this needed ? Can't you just test that the pin isn't > RPI_FW_GPIO_PINS and if not return DEFAULT_CAPS ?

Always return RPI_FW_GPIO_DEFAULT_CAPS from getcaps.

This revision is now accepted and ready to land.Aug 3 2020, 5:14 PM