ARM: shmobile: r8a7794: 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>
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index b70e406..4075a0a 100644 (file)
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -750,6 +750,34 @@
                };
        };
 
+       du: display@feb00000 {
+               compatible = "renesas,du-r8a7794";
+               reg = <0 0xfeb00000 0 0x40000>;
+               reg-names = "du";
+               interrupts = <0 256 IRQ_TYPE_LEVEL_HIGH>,
+                            <0 268 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp7_clks R8A7794_CLK_DU0>,
+                        <&mstp7_clks R8A7794_CLK_DU0>;
+               clock-names = "du.0", "du.1";
+               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 = <2>;
                #size-cells = <2>;