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

Re: [PATCH 4/6] ARM: dts: sunxi: h3-h5: Add pinmux setting for CSI MCLK on PE1

From: Chen-Yu Tsai <hidden>
Date: 2019-01-24 10:17:17
Also in: linux-arm-kernel, linux-media, lkml

On Mon, Dec 3, 2018 at 5:46 PM Jagan Teki [off-list ref] wrote:
On Fri, Nov 30, 2018 at 1:28 PM Chen-Yu Tsai [off-list ref] wrote:
quoted
Some camera modules have the SoC feeding a master clock to the sensor
instead of having a standalone crystal. This clock signal is generated
from the clock control unit and output from the CSI MCLK function of
pin PE1.

Add a pinmux setting for it for camera sensors to reference.

Signed-off-by: Chen-Yu Tsai <redacted>
---
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.

Drop the A31 fallback compatible.

Fixes: f89120b6f554 ("ARM: dts: sun8i: Add the H3/H5 CSI controller")
Signed-off-by: Chen-Yu Tsai <redacted>
---
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Not merging this one, as there are no boards in tree that directly use this.

ChenYu
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