Re: [PATCH v3 0/4] i2c: adv748x: add support for CSI-2 TXA to work

[jacopo mondi <jacopo@jmondi.org>]

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Hi Niklas,

On Fri, Nov 02, 2018 at 05:00:05PM +0100, Niklas Söderlund wrote:
> Hi,
>
> This series allows the TXA CSI-2 transmitter of the adv748x to function
> in 1-, 2- and 4- lane mode. Currently the driver fixes the hardware in
> 4-lane mode. The driver looks at the standard DT property 'data-lanes'
> to determine which mode it should operate in.
>
> Patch 1/4 lists the 'data-lanes' DT property as mandatory for endpoints
> describing the CSI-2 transmitters. Patch 2/4 refactors the
> initialization sequence of the adv748x to be able to reuse more code.
> Patch 3/4 adds the DT parsing and storing of the number of lanes. Patch
> 4/4 merges the TXA and TXB power up/down procedure while also taking the
> configurable number of lanes into account.
>
> The series is based on the latest media-tree master and is tested on
> Renesas M3-N in 1-, 2- and 4- lane mode.

I have now tested v3 on Ebisu E3 which has only 2 data lanes
connected.

Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Thanks
   j


>
> Niklas Söderlund (4):
>   dt-bindings: adv748x: make data-lanes property mandatory for CSI-2
>     endpoints
>   i2c: adv748x: reuse power up sequence when initializing CSI-2
>   i2c: adv748x: store number of CSI-2 lanes described in device tree
>   i2c: adv748x: configure number of lanes used for TXA CSI-2 transmitter
>
>  .../devicetree/bindings/media/i2c/adv748x.txt |   4 +-
>  drivers/media/i2c/adv748x/adv748x-core.c      | 235 ++++++++++--------
>  drivers/media/i2c/adv748x/adv748x.h           |   1 +
>  3 files changed, 135 insertions(+), 105 deletions(-)
>
> --
> 2.19.1
>

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