From 5d17a1691b2ec49edf989a195e2b534b58a5dbf7 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Sat, 11 Apr 2020 20:49:49 +0200
Subject: [PATCH] ARM: dts: rmobile: Reserve space in R-Car Gen3 DTs

Reserve 4 kiB of space in R-Car Gen3 DTs when those DTs are compiled
to permit patching in OpTee-OS /firmware node, /reserved-memory node
and possibly also additional /memory@ nodes.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
---
 arch/arm/dts/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ca663a86f2..480ef4c4b2 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -766,6 +766,10 @@ dtb-$(CONFIG_RCAR_GEN3) += \
 	r8a77990-ebisu-u-boot.dtb \
 	r8a77995-draak-u-boot.dtb
 
+ifdef CONFIG_RCAR_GEN3
+DTC_FLAGS += -R 4 -p 0x1000
+endif
+
 dtb-$(CONFIG_RZA1) += \
 	r7s72100-gr-peach-u-boot.dtb