ARM: shmobile: r8a7779: Add DU node to device tree

Add the DU device with a disabled state. Boards that want to enable the
DU need to specify the output topology

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[horms+renesas@verge.net.au: resolved minor conflict]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 7cfba9a..fda814e 100644 (file)
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -379,6 +379,30 @@
                status = "disabled";
        };
 
+       du: display@fff80000 {
+               compatible = "renesas,du-r8a7779";
+               reg = <0 0xfff80000 0 0x40000>;
+               interrupts = <0 31 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp1_clks R8A7779_CLK_DU>;
+               status = "disabled";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               du_out_rgb0: endpoint {
+                               };
+                       };
+                       port@1 {
+                               reg = <1>;
+                               du_out_rgb1: endpoint {
+                               };
+                       };
+               };
+       };
+
        clocks {
                #address-cells = <1>;
                #size-cells = <1>;