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 <dan...@0x0f.com>
---
 arch/arm/boot/dts/mstar-v7.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi
index c8b192569d05..7ac7e649189f 100644
--- a/arch/arm/boot/dts/mstar-v7.dtsi
+++ b/arch/arm/boot/dts/mstar-v7.dtsi
@@ -78,6 +78,13 @@ pmsleep: syscon@1c00 {
                                reg = <0x1c00 0x100>;
                        };
 
+                       reboot {
+                               compatible = "syscon-reboot";
+                               regmap = <&pmsleep>;
+                               offset = <0xb8>;
+                               mask = <0x79>;
+                       };
+
                        l3bridge: l3bridge@204400 {
                                compatible = "mstar,l3bridge";
                                reg = <0x204400 0x200>;
-- 
2.27.0

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