arm64: dts: renesas: Add panel overlay for Draak and Ebisu boards

The Draak and Ebisu boards support an optional LVDS panel. One
compatible panel is the Mitsubishi AA104XD12. Add a corresponding DT
overlay.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20211229193135.28767-4-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 46ecb4b..7a64786 100644 (file)
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -86,4 +86,5 @@ dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-smarc.dtb
 
 dtb-$(CONFIG_ARCH_R9A09G011) += r9a09g011-v2mevk2.dtb
 
+dtb-$(CONFIG_ARCH_RCAR_GEN3) += draak-ebisu-panel-aa104xd12.dtbo
 dtb-$(CONFIG_ARCH_RCAR_GEN3) += salvator-panel-aa104xd12.dtbo

diff --git a/arch/arm64/boot/dts/renesas/draak-ebisu-panel-aa104xd12.dts b/arch/arm64/boot/dts/renesas/draak-ebisu-panel-aa104xd12.dts
new file mode 100644 (file)
index 0000000..258f866
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/draak-ebisu-panel-aa104xd12.dts
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree overlay for the AA104XD12 panel connected to LVDS1 on a Draak or
+ * Ebisu board
+ *
+ * Copyright 2021 Ideas on Board Oy
+ */
+
+/dts-v1/;
+/plugin/;
+
+&{/} {
+#include "panel-aa104xd12.dtsi"
+};
+
+&{/panel} {
+       backlight = <&backlight>;
+
+       port {
+               panel_in: endpoint {
+                       remote-endpoint = <&lvds1_out>;
+               };
+       };
+};
+
+&lvds1 {
+       status = "okay";
+
+       ports {
+               port@1 {
+                       lvds1_out: endpoint {
+                               remote-endpoint = <&panel_in>;
+                       };
+               };
+       };
+};