From b8c1eca1e089e8f4247b19b73955c875bf7b18ae Mon Sep 17 00:00:00 2001
From: Alexey Brodkin <abrodkin@synopsys.com>
Date: Fri, 19 Feb 2016 15:19:43 +0300
Subject: [PATCH] arc: axs10x - add support of ARC PGU

Synopsys DesignWare ARC SDP boards sport ARC SDP display
controller attached to ADV7511 HDMI encoder.

That change adds desctiption of both ARC PGU and ADV7511 in
ARC SDP'd base-board Device Tree.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: devicetree@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org
---
 arch/arc/boot/dts/axs10x_mb.dtsi | 61 ++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index ab5d5701e11d..823f15ca68df 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -34,6 +34,12 @@
 				clock-frequency = <50000000>;
 				#clock-cells = <0>;
 			};
+
+			pguclk: pguclk {
+				#clock-cells = <0>;
+				compatible = "fixed-clock";
+				clock-frequency = <74440000>;
+			};
 		};
 
 		ethernet@0x18000 {
@@ -155,6 +161,37 @@
 			clocks = <&i2cclk>;
 			interrupts = <16>;
 
+			adv7511:adv7511@39{
+				compatible="adi,adv7511";
+				reg = <0x39>;
+				interrupts = <23>;
+				adi,input-depth = <8>;
+				adi,input-colorspace = "rgb";
+				adi,input-clock = "1x";
+				adi,clock-delay = <0x03>;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					/* RGB/YUV input */
+					port@0 {
+						reg = <0>;
+						adv7511_input:endpoint {
+						remote-endpoint = <&pgu_output>;
+						};
+					};
+
+					/* HDMI output */
+					port@1 {
+						reg = <1>;
+						adv7511_output: endpoint {
+							remote-endpoint = <&hdmi_connector_in>;
+						};
+					};
+				};
+			};
+
 			eeprom@0x54{
 				compatible = "24c01";
 				reg = <0x54>;
@@ -168,6 +205,16 @@
 			};
 		};
 
+		hdmi0: connector {
+			compatible = "hdmi-connector";
+			type = "a";
+			port {
+				hdmi_connector_in: endpoint {
+					remote-endpoint = <&adv7511_output>;
+				};
+			};
+		};
+
 		gpio0:gpio@13000 {
 			compatible = "snps,dw-apb-gpio";
 			reg = <0x13000 0x1000>;
@@ -229,5 +276,19 @@
 				reg = <2>;
 			};
 		};
+
+		pgu@17000 {
+			compatible = "snps,arcpgu";
+			reg = <0x17000 0x400>;
+			encoder-slave = <&adv7511>;
+			clocks = <&pguclk>;
+			clock-names = "pxlclk";
+
+			port {
+				pgu_output: endpoint {
+					remote-endpoint = <&adv7511_input>;
+				};
+			};
+		};
 	};
 };
-- 
2.20.1