From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2 1/3] media: dt-bindings: media: meson-ao-cec: Add G12A AO-CEC-B Compatible Date: Sat, 06 Apr 2019 01:06:04 -0500 Message-ID: <5ca841ce.1c69fb81.b2f88.e449@mx.google.com> References: <20190401081959.16474-1-narmstrong@baylibre.com> <20190401081959.16474-2-narmstrong@baylibre.com> Return-path: In-Reply-To: <20190401081959.16474-2-narmstrong@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org To: Neil Armstrong Cc: hverkuil@xs4all.nl, mchehab@kernel.org, devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org 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 > --- > .../devicetree/bindings/media/meson-ao-cec.txt | 13 ++++++++++--- > 1 file changed, 10 insertions(+), 3 deletions(-) > Reviewed-by: Rob Herring