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media: v4l: fwnode: Support parsing of CSI-2 C-PHY endpoints

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The V4L2 fwnode framework only parsed CSI-2 D-PHY endpoints while C-PHY
support wasn't there. Also parse endpoints for media bus type
V4L2_MBUS_CSI2_CPHY.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sakari Ailus 2018-07-23 09:09:28 -04:00 committed by Mauro Carvalho Chehab
parent e7b2f5185e
commit edc6d56c2e
1 changed files with 7 additions and 3 deletions
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10
drivers/media/v4l2-core/v4l2-fwnode.c
View file

@ -145,7 +145,8 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,
u32 v;
int rval;
if (bus_type == V4L2_MBUS_CSI2_DPHY) {
if (bus_type == V4L2_MBUS_CSI2_DPHY ||
bus_type == V4L2_MBUS_CSI2_CPHY) {
use_default_lane_mapping = true;
num_data_lanes = min_t(u32, bus->num_data_lanes,
@ -221,10 +222,12 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,
flags |= V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
}
if (bus_type == V4L2_MBUS_CSI2_DPHY || lanes_used ||
if (bus_type == V4L2_MBUS_CSI2_DPHY ||
bus_type == V4L2_MBUS_CSI2_CPHY || lanes_used ||
have_clk_lane || (flags & ~V4L2_MBUS_CSI2_CONTINUOUS_CLOCK)) {
bus->flags = flags;
vep->bus_type = V4L2_MBUS_CSI2_DPHY;
if (bus_type == V4L2_MBUS_UNKNOWN)
vep->bus_type = V4L2_MBUS_CSI2_DPHY;
bus->num_data_lanes = num_data_lanes;
if (use_default_lane_mapping) {
@ -463,6 +466,7 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode,
break;
case V4L2_MBUS_CSI2_DPHY:
case V4L2_MBUS_CSI2_CPHY:
rval = v4l2_fwnode_endpoint_parse_csi2_bus(fwnode, vep,
vep->bus_type);
if (rval)