Re: [PATCH v2 1/3] media: dt-bindings: media: meson-ao-cec: Add G12A AO-CEC-B Compatible

From: Rob Herring
Date: Sat Apr 06 2019 - 02:06:11 EST


On Mon, 1 Apr 2019 10:19:57 +0200, Neil Armstrong wrote:
> The Amlogic G12A embeds a second CEC controller named AO-CEC-B, and
> the other one is AO-CEC-A described by the current bindings.
>
> The register interface is very close but the internal architecture
> is totally different.
>
> The other difference is the clock source, the AO-CEC-B takes the
> "oscin", the Always-On Oscillator clock, as input and embeds a
> dual-divider clock divider to provide the precise 32768Hz base
> clock for CEC communication.
>
> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/media/meson-ao-cec.txt | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>