ARM: shmobile: koelsch-reference: Add DU device to DTS

The DU device has no DT bindings yet, instantiate it as a platform
device for now.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>
[horms+renesas@verge.net.au: broken out of larger patch that
                             included board changes]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index d4b9bba38685..f67d2d0abded 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -109,9 +109,14 @@
 };
 
 &pfc {
-        pinctrl-0 = <&scif0_pins &scif1_pins>;
+        pinctrl-0 = <&du_pins &scif0_pins &scif1_pins>;
         pinctrl-names = "default";
 
+        du_pins: du {
+                renesas,groups = "du_rgb666", "du_sync", "du_clk_out_0";
+                renesas,function = "du";
+        };
+
         scif0_pins: serial0 {
                 renesas,groups = "scif0_data_d";
                 renesas,function = "scif0";