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>