From 5b87e6d0a9ceb8f3b261bf34a1d5b7f45910a088 Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Thu, 14 Feb 2019 15:09:46 +0900
Subject: [PATCH] ARM: dts: odroid: add syscon-reboot-mode

Add the syscon-reboot-mode dt node to support reboot mode.
Odroid families use INFORM2 register with offset 0x808 to let
bootloader recognize reboot mode.

Change-Id: I9876bfce4fc519026c62c53f10e1ef2107cfc256
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
---
 arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 10 ++++++++++
 arch/arm/boot/dts/exynos5422-odroid-core.dtsi   | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index a21be71000c1..edebb456aa44 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -14,6 +14,7 @@
 #include "exynos4412-ppmu-common.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include "exynos-mfc-reserved-memory.dtsi"
+#include <dt-bindings/soc/exynos,boot-mode.h>
 
 / {
 	chosen {
@@ -523,6 +524,15 @@
 	cap-mmc-highspeed;
 };
 
+&pmu_system_controller {
+	syscon-reboot-mode {
+		compatible = "syscon-reboot-mode";
+		offset = <0x808>;
+		mode-normal = <BOOT_NORMAL>;
+		mode-download = <BOOT_BL_DOWNLOAD>;
+	};
+};
+
 &rtc {
 	status = "okay";
 	clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
index b375520af1a0..84cde7a2bc5c 100644
--- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
@@ -13,6 +13,7 @@
 #include <dt-bindings/clock/samsung,s2mps11.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/soc/exynos,boot-mode.h>
 #include "exynos5800.dtsi"
 #include "exynos5422-cpus.dtsi"
 #include "exynos5422-dmc.dtsi"
@@ -554,6 +555,15 @@
 	};
 };
 
+&pmu_system_controller {
+	syscon-reboot-mode {
+		compatible = "syscon-reboot-mode";
+		offset = <0x808>;
+		mode-normal = <BOOT_NORMAL>;
+		mode-download = <BOOT_BL_DOWNLOAD>;
+	};
+};
+
 &tmu_cpu0 {
 	vtmu-supply = <&ldo7_reg>;
 };
-- 
2.34.1