Re: [PATCH 02/89] dt-bindings: i2c: brcmstb: Add BCM2711 BSC/AUTO-I2C binding

[Rob Herring]

On Mon, 24 Feb 2020 10:06:04 +0100, Maxime Ripard wrote:
> The HDMI blocks in the BCM2771 have an i2c controller to retrieve the
> EDID. This block is split into two parts, the BSC and the AUTO_I2C,
> lying in two separate register areas.
> 
> The AUTO_I2C block has a mailbox-like interface and will take away the
> BSC control from the CPU if enabled. However, the BSC is the actually
> the same controller than the one supported by the brcmstb driver, and
> the AUTO_I2C doesn't really bring any immediate benefit.
> 
> We can model it in the DT as a single device with two register range,
> which will allow us to use or or the other in the driver without
> changing anything in the DT.
> 
> Cc: Kamal Dasu <kdasu.kdev@xxxxxxxxx>
> Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> Cc: bcm-kernel-feedback-list@xxxxxxxxxxxx
> Cc: linux-i2c@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml | 40 ++++++-
>  1 file changed, 39 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>