Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
		
			
				
	
	
		
			230 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			230 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 0a65f76d99bce7685e57ae506eedc499c551ac83 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Mon, 6 Apr 2020 09:47:42 +0100
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Subject: [PATCH] Add upstream and upstream-pi4 to overlay_map
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Because the upstream overlay applies vc4-kms-v3d, of which Pi 4 has its
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own version, there also needs to be a Pi 4 version - vc4-kms-v3d-pi4.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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 arch/arm/boot/dts/overlays/Makefile           |   1 +
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 arch/arm/boot/dts/overlays/README             |   7 +
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 arch/arm/boot/dts/overlays/overlay_map.dts    |   9 +
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 .../dts/overlays/upstream-pi4-overlay.dts     | 161 ++++++++++++++++++
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 4 files changed, 178 insertions(+)
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 create mode 100644 arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -183,6 +183,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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 	uart5.dtbo \
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 	udrc.dtbo \
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 	upstream.dtbo \
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+	upstream-pi4.dtbo \
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 	vc4-fkms-v3d.dtbo \
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 	vc4-kms-kippah-7inch.dtbo \
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 	vc4-kms-v3d.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2653,6 +2653,13 @@ Info:   This overlay has been deprecated
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 Load:   <Deprecated>
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+Name:   upstream-pi4
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+Info:   Allow usage of downstream .dtb with upstream kernel on Pi 4. Comprises
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+        the vc4-kms-v3d-pi4 and dwc2 overlays.
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+Load:   dtoverlay=upstream-pi4
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+Params: <None>
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+
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+
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 Name:   vc4-fkms-v3d
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 Info:   Enable Eric Anholt's DRM VC4 V3D driver on top of the dispmanx
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         display stack.
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--- a/arch/arm/boot/dts/overlays/overlay_map.dts
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+++ b/arch/arm/boot/dts/overlays/overlay_map.dts
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@@ -105,10 +105,19 @@
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 		bcm2711;
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 	};
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+	upstream {
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+		bcm2835;
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+		bcm2711 = "upstream-pi4";
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+	};
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+
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 	upstream-aux-interrupt {
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 		deprecated = "no longer necessary";
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 	};
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+	upstream-pi4 {
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+		bcm2711;
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+	};
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+
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 	vc4-kms-v3d {
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 		bcm2835;
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 		bcm2711 = "vc4-kms-v3d-pi4";
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
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@@ -0,0 +1,161 @@
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+// redo: ovmerge -c vc4-kms-v3d-pi4-overlay.dts,cma-96 dwc2-overlay.dts,dr_mode=otg
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+
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+/dts-v1/;
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+/plugin/;
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+
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+#include <dt-bindings/clock/bcm2835.h>
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+
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+/ {
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+	compatible = "brcm,bcm2835";
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+	fragment@0 {
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+		target-path = "/chosen";
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+		__dormant__ {
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+			bootargs = "cma=256M";
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+		};
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+	};
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+	fragment@1 {
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+		target-path = "/chosen";
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+		__dormant__ {
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+			bootargs = "cma=192M";
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+		};
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+	};
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+	fragment@2 {
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+		target-path = "/chosen";
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+		__dormant__ {
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+			bootargs = "cma=128M";
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+		};
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+	};
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+	fragment@3 {
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+		target-path = "/chosen";
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+		__overlay__ {
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+			bootargs = "cma=96M";
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+		};
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+	};
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+	fragment@4 {
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+		target-path = "/chosen";
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+		__dormant__ {
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+			bootargs = "cma=64M";
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+		};
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+	};
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+	fragment@5 {
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+		target = <&ddc0>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@6 {
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+		target = <&ddc1>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@7 {
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+		target = <&hdmi0>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@8 {
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+		target = <&hdmi1>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@9 {
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+		target = <&hvs>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@10 {
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+		target = <&pixelvalve0>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@11 {
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+		target = <&pixelvalve1>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@12 {
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+		target = <&pixelvalve2>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@13 {
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+		target = <&pixelvalve3>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@14 {
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+		target = <&pixelvalve4>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@15 {
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+		target = <&v3d>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@16 {
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+		target = <&vc4>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@17 {
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+		target = <&txp>;
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+		__overlay__ {
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+			status = "okay";
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+		};
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+	};
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+	fragment@18 {
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+		target = <&fb>;
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+		__overlay__ {
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+			status = "disabled";
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+		};
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+	};
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+	fragment@19 {
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+		target = <&firmwarekms>;
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+		__overlay__ {
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+			status = "disabled";
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+		};
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+	};
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+	fragment@20 {
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+		target = <&vec>;
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+		__overlay__ {
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+			status = "disabled";
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+		};
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+	};
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+	fragment@21 {
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+		target = <&hdmi0>;
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+		__dormant__ {
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+			dmas;
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+		};
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+	};
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+	fragment@22 {
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+		target = <&hdmi1>;
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+		__dormant__ {
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+			dmas;
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+		};
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+	};
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+	fragment@23 {
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+		target = <&usb>;
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+		#address-cells = <1>;
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+		#size-cells = <1>;
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+		__overlay__ {
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+			compatible = "brcm,bcm2835-usb";
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+			dr_mode = "otg";
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+			g-np-tx-fifo-size = <32>;
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+			g-rx-fifo-size = <558>;
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+			g-tx-fifo-size = <512 512 512 512 512 256 256>;
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+			status = "okay";
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+		};
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+	};
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+};
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