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62b7f5931c
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
69 lines
1.8 KiB
Diff
69 lines
1.8 KiB
Diff
From bbced22ee3d4c08612bbc35c860d2274e85d5a51 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 27 Aug 2020 18:57:26 +0100
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Subject: [PATCH] overlays: Add option for composite to
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vc4-kms-v3d-pi4.
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Composite is an alternative to HDMI/DPI/DSI on Pi4 as it
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requires very particular clock setups.
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Add an option to vc4-kms-v3d-pi4 to enable composite and
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disable all other graphics outputs.
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NB This must be used in conjunction with enable_tvout=1
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/README | 2 ++
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.../dts/overlays/vc4-kms-v3d-pi4-overlay.dts | 26 +++++++++++++++++++
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2 files changed, 28 insertions(+)
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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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@@ -2924,6 +2924,8 @@ Params: cma-256 CMA is 2
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audio1 Enable or disable audio over HDMI1 (default
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"on")
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noaudio Disable all HDMI audio (default "off")
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+ composite Enable the composite output (disables all other
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+ outputs)
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Name: vga666
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--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts
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@@ -152,9 +152,35 @@
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};
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};
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+ fragment@21 {
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+ target = <&pixelvalve3>;
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+ __dormant__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@22 {
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+ target = <&vec>;
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+ __dormant__ {
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+ status = "okay";
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+ };
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+ };
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+
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__overrides__ {
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audio = <0>,"!17";
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audio1 = <0>,"!18";
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noaudio = <0>,"=17", <0>,"=18", <0>,"!19";
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+ composite = <0>, "!1",
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+ <0>, "!2",
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+ <0>, "!3",
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+ <0>, "!4",
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+ <0>, "!6",
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+ <0>, "!7",
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+ <0>, "!8",
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+ <0>, "!9",
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+ <0>, "!10",
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+ <0>, "!16",
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+ <0>, "=21",
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+ <0>, "=22";
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};
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};
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