From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Fri, 7 Aug 2020 17:49:52 +0000 (+0100)
Subject: ARM: dts: r8a7742: Add DU support
X-Git-Tag: microblaze-v5.11~29^2~55^2~25
X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=commitdiff_plain;h=6a62f64305c65e78db290c0ca153759b6b9ca130

ARM: dts: r8a7742: Add DU support

Add a Display Unit (DU) node to r8a7742 SoC DT.
Boards that want to enable the DU need to specify the output topology.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20200807174954.14448-6-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi
index 4a8d27dff9f7..a979a4b3de61 100644
--- a/arch/arm/boot/dts/r8a7742.dtsi
+++ b/arch/arm/boot/dts/r8a7742.dtsi
@@ -1509,6 +1509,41 @@
 			resets = <&cpg 408>;
 		};
 
+		du: display@feb00000 {
+			compatible = "renesas,du-r8a7742";
+			reg = <0 0xfeb00000 0 0x70000>;
+			interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>,
+				 <&cpg CPG_MOD 722>;
+			clock-names = "du.0", "du.1", "du.2";
+			resets = <&cpg 724>;
+			reset-names = "du.0";
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					du_out_rgb: endpoint {
+					};
+				};
+				port@1 {
+					reg = <1>;
+					du_out_lvds0: endpoint {
+					};
+				};
+				port@2 {
+					reg = <2>;
+					du_out_lvds1: endpoint {
+					};
+				};
+			};
+		};
+
 		prr: chipid@ff000044 {
 			compatible = "renesas,prr";
 			reg = <0 0xff000044 0 4>;