From d5b3944bec944b40e91cae82583ce11740af6f10 Mon Sep 17 00:00:00 2001 From: Igor Belwon Date: Wed, 4 Dec 2024 15:55:59 +0100 Subject: [PATCH] arm64: dts: exynos990: Add pmu and syscon-reboot nodes 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 Reviewed-by: Alim Akhtar Link: https://lore.kernel.org/r/20241204145559.524932-3-igor.belwon@mentallysanemainliners.org Signed-off-by: Krzysztof Kozlowski --- 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 @@ }; }; + 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>; -- 2.50.1