video: of: display_timing: add doubleclk flag

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/video/display-timing.txt b/Documentation/devicetree/bindings/video/display-timing.txt
index 150038552bc3..e1d4a0b59612 100644
--- a/Documentation/devicetree/bindings/video/display-timing.txt
+++ b/Documentation/devicetree/bindings/video/display-timing.txt
@@ -34,6 +34,7 @@ optional properties:
                         - ignored     = ignored
  - interlaced (bool): boolean to enable interlaced mode
  - doublescan (bool): boolean to enable doublescan mode
+ - doubleclk (bool): boolean to enable doubleclock mode
 
 All the optional properties that are not bool follow the following logic:
     <1>: high active
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index 85c1a419270f..2894e0300a33 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -98,6 +98,8 @@ static struct display_timing *of_get_display_timing(const struct device_node
                 dt->flags |= DISPLAY_FLAGS_INTERLACED;
         if (of_property_read_bool(np, "doublescan"))
                 dt->flags |= DISPLAY_FLAGS_DOUBLESCAN;
+        if (of_property_read_bool(np, "doubleclk"))
+                dt->flags |= DISPLAY_FLAGS_DOUBLECLK;
 
         if (ret) {
                 pr_err("%s: error reading timing properties\n",