[PATCH v2 2/4] dt-bindings: arm: rockchip: Add FriendlyARM NanoPi M4B

[Rob Herring]

On Wed, 18 Nov 2020 15:17:22 +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens at csie.org>
> 
> 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 at csie.org>
> ---
>  Documentation/devicetree/bindings/arm/rockchip.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring <robh at kernel.org>