[PATCH v13 19/21] media: dt-bindings: tvp5150: add optional sdtv standards documentation

Marco Felsch
2020-03-12T10:32:48Z

Document the optional binding to limit the possible sdtv standards on the
input connectors.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>

---
v12:
-fix wrong dt-property enum in examples

v8:
- adapt to new sdtv-standards
- adapt commit message
- fix missing include within example code
---
.../devicetree/bindings/media/i2c/tvp5150.txt | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
index cc98b38c7e73..6c88ce858d08 100644
--- a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
+++ b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
@@ -49,13 +49,22 @@ Required Endpoint Properties for parallel synchronization on output port:
Note: Do not specify any of these properties if you want to use the embedded
BT.656 synchronization.

+Optional Connector Properties:
+==============================
+
+- sdtv-standards: Set the possible signals to which the hardware tries to lock
+ instead of using the autodetection mechnism. Please look at
+ [1] for more information.
+
[1] Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt.

Example - three input sources:
+#include <dt-bindings/display/sdtv-standards.h>

comp_connector_0 {
compatible = "composite-video-connector";
label = "Composite0";
+ sdtv-standards = <SDTV_STD_PAL_M>; /* limit to pal-m signals */

port {
composite0_to_tvp5150: endpoint {
@@ -67,6 +76,7 @@ comp_connector_0 {
comp_connector_1 {
compatible = "composite-video-connector";
label = "Composite1";
+ sdtv-standards = <SDTV_STD_NTSC_M>; /* limit to ntsc-m signals */

port {
composite1_to_tvp5150: endpoint {
--
2.20.1