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Commit 6011a15d authored by Linus Walleij's avatar Linus Walleij
Browse files

ARM: dts: Augment VGA connector bridge on Realview PBX 



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: default avatarLiviu Dudau <liviu.dudau@arm.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent dfdc2488

arch/arm/boot/dts/arm-realview-pbx.dtsi

+55 −27
Original line number Diff line number Diff line
@@ -34,7 +34,8 @@ 
		serial1 = &serial1;

		serial2 = &serial2;

		serial3 = &serial3;

		i2c0 = &i2c;

		i2c0 = &i2c0;

		i2c1 = &i2c1;

	};



	memory {
@@ -158,6 +159,49 @@ 
		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 {

		/*

		 * This DDC I2C is connected directly to the DVI portions

		 * of the connector, so it's not really working when the

		 * monitor is connected to the VGA connector.

		 */

		compatible = "vga-connector";

		ddc-i2c-bus = <&i2c1>;



		port {

			vga_con_in: endpoint {

				remote-endpoint = <&vga_bridge_out>;

			};

		};

	};



	soc: soc@0 {

		compatible = "arm,realview-pbx-soc", "simple-bus";

		#address-cells = <1>;
@@ -285,7 +329,7 @@ 
					       <&timclk>;

		};



		i2c: i2c@10002000 {

		i2c0: i2c@10002000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "arm,versatile-i2c";
@@ -396,7 +440,12 @@ 
			clock-names = "apb_pclk";

		};



		/* DVI serial bus control is at 10016000 */

		i2c1: i2c@10016000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "arm,versatile-i2c";

			reg = <0x10016000 0x1000>;

		};



		rtc: rtc@10017000 {

			compatible = "arm,pl031", "arm,primecell";
@@ -506,36 +555,15 @@ 
			interrupt-names = "combined";

			clocks = <&oscclk4>, <&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>;

				};

			};

		};

	};

};