Thread (21 messages) 21 messages, 5 authors, 2019-01-24

Re: [PATCH 1/6] media: dt-bindings: media: sun6i: Separate H3 compatible from A31

From: sakari.ailus@iki.fi
Date: 2018-12-04 13:13:39
Also in: linux-devicetree, linux-media, lkml

Hi Chen-Yu,

On Mon, Dec 03, 2018 at 05:48:31PM +0800, Chen-Yu Tsai wrote:
On Mon, Dec 3, 2018 at 5:42 PM Jagan Teki [off-list ref] wrote:
quoted
On Fri, Nov 30, 2018 at 1:29 PM Chen-Yu Tsai [off-list ref] wrote:
quoted
The CSI controller found on the H3 (and H5) is a reduced version of the
one found on the A31. It only has 1 channel, instead of 4 channels for
time-multiplexed BT.656. Since the H3 is a reduced version, it cannot
"fallback" to a compatible that implements more features than it
supports.

Split out the H3 compatible as a separate entry, with no fallback.

Fixes: b7eadaa3a02a ("media: dt-bindings: media: sun6i: Add A31 and H3
                      compatibles")
Signed-off-by: Chen-Yu Tsai <redacted>
"media" text appear two times on commit head.
Just following what previous commits did. :)
I understand Mauro has a  script prefixes everything going through the
media tree with "media: " unless it's already there. I'd drop the latter,
but perhaps elaborate a bit this is about CSI. Fine details... I think it's
fine as-is for now.
quoted
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
BTW, I know you've been trying to get CSI to work on the A64.
I have it working for the Bananapi-M64. The CSI SCLK needs to
be lowered to 300 MHz or the image gets corrupted.

ChenYu
-- 
Sakari Ailus

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