[Bug 214337] RPI-B: create separate device tree for RPI-B+

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214337

            Bug ID: 214337
           Summary: RPI-B: create separate device tree for RPI-B+
           Product: Base System
           Version: 11.0-STABLE
          Hardware: arm
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: la5lbtyi at aon.at

The RPI-B and RPI-B+ are slightly different. The Linux sources for the FDT
recognize this, as evidenced by running

# diff /usr/src/sys/gnu/dts/arm/bcm2835-rpi-b{,-plus}.dts

The FreeBSD version in /usr/src/sys/boot/fdt/dts/arm/rpi.dts seems to cover the
RPI-B, but not the B+. Amongst others, this makes it impossible to use the
activity and power LEDs, and may even lead to hardware problems when trying to
modify the activity LED.

It would be nice to have a dts which is suitable for the RPI-B+.

This possibly means that all the RPI variants allegedly supported by rpi.dts
actually need their own specific dts.

-- Martin

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