ARM: dts: Augment VGA connector bridge on PB1176

The PL111 in the ARM reference platforms are connected to
"panels" that are actually dumb VGA DAC connector bridges.
Now that we can support the proper bridges in the DRM driver,
fix this up.

Cc: Mali DP Maintainers <malidp@foss.arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 40 insertions, 26 deletions

diff --git a/arch/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts
index c789564f2803..f935b72d3d96 100644
--- a/arch/arm/boot/dts/arm-realview-pb1176.dts
+++ b/arch/arm/boot/dts/arm-realview-pb1176.dts
@@ -161,6 +161,43 @@
 		port1-otg;
 	};
 
+	bridge {
+		compatible = "ti,ths8134a", "ti,ths8134";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				vga_bridge_in: endpoint {
+					remote-endpoint = <&clcd_pads>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				vga_bridge_out: endpoint {
+					remote-endpoint = <&vga_con_in>;
+				};
+			};
+		};
+	};
+
+	vga {
+		compatible = "vga-connector";
+
+		port {
+			vga_con_in: endpoint {
+				remote-endpoint = <&vga_bridge_out>;
+			};
+		};
+	};
+
 	soc {
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -403,36 +440,15 @@
 			interrupts = <0 47 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&oscclk0>, <&pclk>;
 			clock-names = "clcdclk", "apb_pclk";
+			/* 1024x768 16bpp @65MHz works fine */
+			max-memory-bandwidth = <95000000>;
 
 			port {
 				clcd_pads: endpoint {
-					remote-endpoint = <&clcd_panel>;
+					remote-endpoint = <&vga_bridge_in>;
 					arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
 				};
 			};
-
-			panel {
-				compatible = "panel-dpi";
-
-				port {
-					clcd_panel: endpoint {
-						remote-endpoint = <&clcd_pads>;
-					};
-				};
-
-				/* Standard 640x480 VGA timings */
-				panel-timing {
-					clock-frequency = <25175000>;
-					hactive = <640>;
-					hback-porch = <48>;
-					hfront-porch = <16>;
-					hsync-len = <96>;
-					vactive = <480>;
-					vback-porch = <33>;
-					vfront-porch = <10>;
-					vsync-len = <2>;
-				};
-			};
 		};
 	};
 
@@ -564,7 +580,5 @@
 			clocks = <&pclk>;
 			clock-names = "apb_pclk";
 		};
-
-
 	};
 };