On 17/06/2020 03:41, Sowjanya Komatineni wrote:
> This patch adds support to capture from the external sensor
> based on device graph in the device tree.
>
> Driver walks through the device graph to create media links
> between the entities and registers and unregisters video devices
> when the corresponding sub-devices are bound and unbound.
>
> Channel formats are enumerated based on available formats from
> the sensor and the corresponding matched formats from the Tegra
> supported video formats list.
>
> Each Tegra CSI instance can be configured as 4-lane or 2-lane
> based on supported lane configuration from the sensor through
> the device tree.
>
> Currently this driver supports V4L2 video node centric only.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
> ---
> drivers/staging/media/tegra-video/Kconfig | 1 +
> drivers/staging/media/tegra-video/csi.c | 128 +++++-
> drivers/staging/media/tegra-video/csi.h | 1 +
> drivers/staging/media/tegra-video/tegra210.c | 2 +-
> drivers/staging/media/tegra-video/vi.c | 623 +++++++++++++++++++++++++--
> drivers/staging/media/tegra-video/vi.h | 23 +-
> 6 files changed, 726 insertions(+), 52 deletions(-)
>
<snip>
> +static int tegra_csi_channels_alloc(struct tegra_csi *csi)
> +{
> + struct device_node *node = csi->dev->of_node;
> + struct v4l2_fwnode_endpoint v4l2_ep = { .bus_type = 0 };
A bus_type value of 0 is deprecated, this should be set to a valid
bus_type (probably V4L2_MBUS_CSI2_DPHY).
Regards,
Hans
