Document the optional properties for describing module resets, to
support resetting display channels and LVDS encoders on R-Car Gen2 and
Gen3.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
Documentation/devicetree/bindings/display/renesas,du.txt | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
index 1a02f099a0ff0a3a..7873d53764a297c2 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.txt
+++ b/Documentation/devicetree/bindings/display/renesas,du.txt
@@ -36,6 +36,16 @@ Required Properties:
When supplied they must be named "dclkin.x" with "x" being the input
clock numerical index.
+Optional properties:
+ - resets: A list of phandles + reset-specifier pairs, one for each entry in
+ the reset-names property.
+ - reset-names: Names of the resets. This property is model-dependent.
+ - R8A779[0123456] use one reset for a group of one or more successive
+ channels, and one reset per LVDS encoder (if available). The resets
+ must be named "du.x" with "x" being the numerical index of the lowest
+ channel in the group. The LVDS resets must be named "lvds.x" with "x"
+ being the LVDS encoder numerical index.
+
Required nodes:
The connections to the DU output video ports are modeled using the OF graph
--
2.7.4
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