linux-kernel - [PATCH v5 1/4] arm64: dts: rockchip: add overlay test for WolfVision PF5

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Message-Id: <20250207-pre-ict-jaguar-v5-1-a70819ea0692@cherry.de>
Date: Fri, 07 Feb 2025 16:19:58 +0100
From: Quentin Schulz <foss+kernel@...il.net>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
 Jagan Teki <jagan@...eble.ai>, Niklas Cassel <cassel@...nel.org>, 
 Michael Riesch <michael.riesch@...fvision.net>
Cc: Jonas Karlman <jonas@...boo.se>, Dragan Simic <dsimic@...jaro.org>, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Quentin Schulz <quentin.schulz@...rry.de>
Subject: [PATCH v5 1/4] arm64: dts: rockchip: add overlay test for
 WolfVision PF5

From: Quentin Schulz <quentin.schulz@...rry.de>

The WolfVision PF5 can have a PF5 Visualizer display and PF5 IO Expander
board connected to it. Therefore, let's generate an overlay test so the
application of the two overlays are validated against the base DTB.

Suggested-by: Michael Riesch <michael.riesch@...fvision.net>
Reviewed-by: Michael Riesch <michael.riesch@...fvision.net>
Signed-off-by: Quentin Schulz <quentin.schulz@...rry.de>
---
 arch/arm64/boot/dts/rockchip/Makefile | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index def1222c1907eb16b23cff6d540174a4e897abc9..534e70a649eeada7f9b6f12596b83f5c47b184b4 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -170,3 +170,25 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-orangepi-5.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-orangepi-5b.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5c.dtb
+
+# Overlay application tests
+#
+# A .dtbo must have its own
+#
+#  dtb-$(CONFIG_ARCH_ROCKCHIP) += <overlay>.dtbo
+#
+# entry, and at least one overlay application test - ideally reflecting how it
+# will be used in real life -:
+#
+#  dtb-$(CONFIG_ARCH_ROCKCHIP) += <name of overlay application test>.dtb
+#  <name of overlay application test>-dtbs := <base>.dtb <overlay-1>.dtbo [<overlay-2>.dtbo ...]
+#
+# This will make the <base>.dtb have symbols (like when DTC_FLAGS has -@ passed)
+# and generate a new DTB (<name of overlay application test>.dtb) which is the
+# result of the application of <overlay-1>.dtbo and other listed overlays on top
+# of <base>.dtb.
+
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5-vz-2-uhd.dtb
+rk3568-wolfvision-pf5-vz-2-uhd-dtbs := rk3568-wolfvision-pf5.dtb \
+	rk3568-wolfvision-pf5-display-vz.dtbo \
+	rk3568-wolfvision-pf5-io-expander.dtbo

-- 
2.48.1