power: reset: Add syscon poweroff device node for APM X-Gene platform

This patch adds syscon poweroff device node to support poweroff feature
on APM X-Gene Mustang platform

Signed-off-by: Tai Nguyen <ttnguyen@apm.com>
Tested-by: dann frazier <dann.frazier@canoncial.com>
Acked-by: Moritz Fischer <moritz.fischer@ettus.com>

diff --git a/arch/arm64/boot/dts/apm/apm-mustang.dts b/arch/arm64/boot/dts/apm/apm-mustang.dts
index 4c55833d8a41a0b361faaf66ad72dffcc6885f02..01cdeda93c3a142d4963c5f6f9a1d81697b20592 100644 (file)
--- a/arch/arm64/boot/dts/apm/apm-mustang.dts
+++ b/arch/arm64/boot/dts/apm/apm-mustang.dts
@@ -33,6 +33,18 @@
                        interrupts = <0x0 0x2d 0x1>;
                };
        };
+
+       poweroff_mbox: poweroff_mbox@10548000 {
+               compatible = "syscon";
+               reg = <0x0 0x10548000 0x0 0x30>;
+       };
+
+       poweroff: poweroff@10548010 {
+               compatible = "syscon-poweroff";
+               regmap = <&poweroff_mbox>;
+               offset = <0x10>;
+               mask = <0x1>;
+       };
 };
 
 &pcie0clk {