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authorSakari Ailus <sakari.ailus@linux.intel.com>2018-07-23 16:09:28 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-10-04 23:23:34 +0300
commitedc6d56c2e7ef33ed7391b73806100a76762c012 (patch)
treebb44d440adec3531d87e58e71a10b698420c74f4 /drivers
parente7b2f5185e4cc44c11d01f0aac162837829b72f1 (diff)
downloadlinux-edc6d56c2e7ef33ed7391b73806100a76762c012.tar.xz
media: v4l: fwnode: Support parsing of CSI-2 C-PHY endpoints
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/v4l2-core/v4l2-fwnode.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 6bbf02422a36..6300b599c73d 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -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)