[PATCH 1/2] dt: update Marvell Armada 38x COMPHY binding

[Rob Herring]

On Tue, 30 Jun 2020 17:05:33 +0100, Russell King wrote:
> Update the Marvell Armada 38x COMPHY binding with an additional
> optional register pair describing the location of an undocumented
> system register controlling something to do with the Gigabit Ethernet
> and COMPHY.  There is one bit for each COMPHY lane that may be using
> the serdes, but exactly what this register does is completely unknown.
> 
> This register only appears to exist on Armada 38x devices, and not
> other SoCs using the NETA ethernet block, so it seems logical that it
> should be part of the COMPHY.
> 
> This is also how u-boot groups this register; it is dealt with as part
> of the COMPHY initialisation there.
> 
> However, at the end of the day, due to the undocumented nature of this
> register, we can only guess.
> 
> Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>
> ---
>  .../devicetree/bindings/phy/phy-armada38x-comphy.txt   | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 

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