drm: rcar-du: Add R8A7796 support
Document the R8A7796-specific DT bindings and support them in the
driver. The HDMI output is currently not supported.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
index 13535b2..1a02f09 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.txt
+++ b/Documentation/devicetree/bindings/display/renesas,du.txt
@@ -10,6 +10,7 @@
- "renesas,du-r8a7793" for R8A7793 (R-Car M2-N) compatible DU
- "renesas,du-r8a7794" for R8A7794 (R-Car E2) compatible DU
- "renesas,du-r8a7795" for R8A7795 (R-Car H3) compatible DU
+ - "renesas,du-r8a7796" for R8A7796 (R-Car M3-W) compatible DU
- reg: A list of base address and length of each memory resource, one for
each entry in the reg-names property.
@@ -26,10 +27,10 @@
- clock-names: Name of the clocks. This property is model-dependent.
- R8A7779 uses a single functional clock. The clock doesn't need to be
named.
- - R8A779[012345] use one functional clock per channel and one clock per LVDS
- encoder (if available). The functional clocks must be named "du.x" with
- "x" being the channel numerical index. The LVDS clocks must be named
- "lvds.x" with "x" being the LVDS encoder numerical index.
+ - R8A779[0123456] use one functional clock per channel and one clock per
+ LVDS encoder (if available). The functional clocks must be named "du.x"
+ with "x" being the channel numerical index. The LVDS clocks must be
+ named "lvds.x" with "x" being the LVDS encoder numerical index.
- In addition to the functional and encoder clocks, all DU versions also
support externally supplied pixel clocks. Those clocks are optional.
When supplied they must be named "dclkin.x" with "x" being the input
@@ -52,6 +53,7 @@
R8A7793 (M2-N) DPAD LVDS 0 - -
R8A7794 (E2) DPAD 0 DPAD 1 - -
R8A7795 (H3) DPAD HDMI 0 HDMI 1 LVDS
+ R8A7796 (M3-W) DPAD HDMI LVDS -
Example: R8A7790 (R-Car H2) DU