From: Daniel Palmer <daniel@0x0f.com>
Date: Tue, 28 Jul 2020 10:03:21 +0000 (+0900)
Subject: ARM: mstar: Add reboot support
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7e836785bc11aca306ce6acbb43f8a5b5d0a9880;p=linux.git

ARM: mstar: Add reboot support

MStar v7 SoCs support reset by writing a magic value to a register
in the "pmsleep" area.

This adds a node for using the syscon reboot driver to trigger a reset.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---

diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi
index bb7fb3e689a70..c7458c67c4df9 100644
--- a/arch/arm/boot/dts/mstar-v7.dtsi
+++ b/arch/arm/boot/dts/mstar-v7.dtsi
@@ -78,6 +78,13 @@
 				reg = <0x1c00 0x100>;
 			};
 
+			reboot {
+				compatible = "syscon-reboot";
+				regmap = <&pmsleep>;
+				offset = <0xb8>;
+				mask = <0x79>;
+			};
+
 			l3bridge: l3bridge@204400 {
 				compatible = "mstar,l3bridge";
 				reg = <0x204400 0x200>;