On Wed, 18 Nov 2020 15:17:22 +0800, Chen-Yu Tsai wrote: > From: Chen-Yu Tsai <wens@xxxxxxxx> > > The NanoPi M4B is a minor revision of the original M4. > > The differences against the original Nanopi M4 that are common with the > other M4V2 revision include: > > - microphone header removed > - power button added > - recovery button added > > Additional changes specific to the M4B: > > - USB 3.0 hub removed; board now has 2x USB 3.0 type-A ports and 2x > USB 2.0 ports > - ADB toggle switch added; this changes the top USB 3.0 host port to > a peripheral port > - Type-C port no longer supports data or PD > - WiFi/Bluetooth combo chip switched to AP6256, which supports BT 5.0 > but only 1T1R (down from 2T2R) for WiFi > > Add a compatible string for the new board revision. > > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> > --- > Documentation/devicetree/bindings/arm/rockchip.yaml | 1 + > 1 file changed, 1 insertion(+) > Acked-by: Rob Herring <robh@xxxxxxxxxx>