[PATCH v2 21/23] v4l: fwnode: Support parsing of CSI-2 C-PHY endpoints
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: 2018-08-27 13:15:58
Also in:
linux-media
Subsystem:
media input infrastructure (v4l/dvb), the rest, v4l2 async and fwnode frameworks · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds, Sakari Ailus
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> --- drivers/media/v4l2-core/v4l2-fwnode.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 4c2f7d709c5d..a863c423ee8c 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) {
@@ -468,6 +471,7 @@ 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)
--
2.11.0