[PATCH v1 2/2] arm64: dts: exynos990: Add pmu and syscon-reboot nodes

[Igor Belwon]

Add PMU syscon, and syscon-reboot nodes to the Exynos990 dtsi.

Reboot of the Exynos990 SoC is handled by setting bit(SWRESET_TRIGGER[1])
of SWRESET register (PMU + 0x3a00).

Tested using the "reboot" command.

Signed-off-by: Igor Belwon <igor.belwon at mentallysanemainliners.org>
---
 arch/arm64/boot/dts/exynos/exynos990.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos990.dtsi b/arch/arm64/boot/dts/exynos/exynos990.dtsi
index c1986f00e443..2619f821bc7c 100644
--- a/arch/arm64/boot/dts/exynos/exynos990.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos990.dtsi
@@ -227,6 +227,20 @@ wakeup-interrupt-controller {
 			};
 		};
 
+		pmu_system_controller: system-controller at 15860000 {
+			compatible = "samsung,exynos990-pmu",
+				     "samsung,exynos7-pmu", "syscon";
+			reg = <0x15860000 0x10000>;
+
+			reboot: syscon-reboot {
+				compatible = "syscon-reboot";
+				regmap = <&pmu_system_controller>;
+				offset = <0x3a00>; /* SWRESET */
+				mask = <0x2>; /* SWRESET_TRIGGER */
+				value = <0x2>;
+			};
+		};
+
 		pinctrl_cmgp: pinctrl at 15c30000 {
 			compatible = "samsung,exynos990-pinctrl";
 			reg = <0x15c30000 0x1000>;
-- 
2.45.2