From d8727385f4ab1f1603ac8e3219c0e830e1b38e90 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Sat, 25 Jul 2020 19:43:07 +0200
Subject: [PATCH] MIPS: ingenic: JZ4725B: Add IPU node

Add a devicetree node for the Image Processing Unit (IPU) found in the
JZ4725B. Connect it with graph nodes to the LCD node. The LCD driver
will expect the IPU node to be accessed through graph port #8, as stated
in the bindings documentation.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
 arch/mips/boot/dts/ingenic/jz4725b.dtsi | 30 +++++++++++++++++++++++++
 arch/mips/boot/dts/ingenic/rs90.dts     |  6 ++++-
 2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/arch/mips/boot/dts/ingenic/jz4725b.dtsi b/arch/mips/boot/dts/ingenic/jz4725b.dtsi
index 89402a15f049..a8fca560878d 100644
--- a/arch/mips/boot/dts/ingenic/jz4725b.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4725b.dtsi
@@ -314,6 +314,36 @@ lcd: lcd-controller@13050000 {
 
 		clocks = <&cgu JZ4725B_CLK_LCD>;
 		clock-names = "lcd_pclk";
+
+		lcd_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@8 {
+				reg = <8>;
+
+				ipu_output: endpoint {
+					remote-endpoint = <&ipu_input>;
+				};
+			};
+		};
+	};
+
+	ipu: ipu@13080000 {
+		compatible = "ingenic,jz4725b-ipu";
+		reg = <0x13080000 0x64>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <30>;
+
+		clocks = <&cgu JZ4725B_CLK_IPU>;
+		clock-names = "ipu";
+
+		port {
+			ipu_input: endpoint {
+				remote-endpoint = <&ipu_output>;
+			};
+		};
 	};
 
 	bch: ecc-controller@130d0000 {
diff --git a/arch/mips/boot/dts/ingenic/rs90.dts b/arch/mips/boot/dts/ingenic/rs90.dts
index 246f97efe5ef..4eb1edbfc155 100644
--- a/arch/mips/boot/dts/ingenic/rs90.dts
+++ b/arch/mips/boot/dts/ingenic/rs90.dts
@@ -302,8 +302,12 @@ &tcu {
 &lcd {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pins_lcd>;
+};
+
+&lcd_ports {
+	port@0 {
+		reg = <0>;
 
-	port {
 		panel_output: endpoint {
 			remote-endpoint = <&panel_input>;
 		};