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-rw-r--r--Documentation/devicetree/bindings/display/renesas,du.txt14
1 files changed, 9 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
index c902323928f7..eccd4f4867b2 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.txt
+++ b/Documentation/devicetree/bindings/display/renesas,du.txt
@@ -5,7 +5,9 @@ Required Properties:
- compatible: must be one of the following.
- "renesas,du-r8a7779" for R8A7779 (R-Car H1) compatible DU
- "renesas,du-r8a7790" for R8A7790 (R-Car H2) compatible DU
- - "renesas,du-r8a7791" for R8A7791 (R-Car M2) compatible DU
+ - "renesas,du-r8a7791" for R8A7791 (R-Car M2-W) compatible DU
+ - "renesas,du-r8a7793" for R8A7793 (R-Car M2-N) compatible DU
+ - "renesas,du-r8a7794" for R8A7794 (R-Car E2) compatible DU
- reg: A list of base address and length of each memory resource, one for
each entry in the reg-names property.
@@ -22,9 +24,9 @@ Required Properties:
- 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.
- - R8A7790 and R8A7791 use one functional clock per channel and one clock
- per LVDS encoder. The functional clocks must be named "du.x" with "x"
- being the channel numerical index. The LVDS clocks must be named
+ - R8A779[0134] 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.
@@ -43,7 +45,9 @@ corresponding to each DU output.
-----------------------------------------------------------------------------
R8A7779 (H1) DPAD 0 DPAD 1 -
R8A7790 (H2) DPAD LVDS 0 LVDS 1
- R8A7791 (M2) DPAD LVDS 0 -
+ R8A7791 (M2-W) DPAD LVDS 0 -
+ R8A7793 (M2-N) DPAD LVDS 0 -
+ R8A7794 (E2) DPAD 0 DPAD 1 -
Example: R8A7790 (R-Car H2) DU