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@xxxxxxxxxxxxxxxxxxxxxxxxxx>
---
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@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@15c30000 {
compatible = "samsung,exynos990-pinctrl";
reg = <0x15c30000 0x1000>;
--
2.45.2
