arm64: dts: exynos: gs101: add pmu-intr-gen syscon node

Add syscon node for the PMU Interrupt Generation registers.

Additionally update the exynos-pmu node to provide a phandle
to pmu-intr-gen syscon.

These registers are required for CPU hotplug to be functional.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250506-contrib-pg-cpu-hotplug-suspend2ram-fixes-v1-v4-4-9f64a2657316@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 91cda7758020563b2c5b5768d8921e87b1f4231c..48c691fd0a3ae430b5d66b402610d23b72b144d7 100644 (file)
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1405,6 +1405,7 @@
                pmu_system_controller: system-controller@17460000 {
                        compatible = "google,gs101-pmu", "syscon";
                        reg = <0x17460000 0x10000>;
+                       google,pmu-intr-gen-syscon = <&pmu_intr_gen>;
 
                        poweroff: syscon-poweroff {
                                compatible = "syscon-poweroff";
@@ -1434,6 +1435,11 @@
                        };
                };
 
+               pmu_intr_gen: syscon@17470000 {
+                       compatible = "google,gs101-pmu-intr-gen", "syscon";
+                       reg = <0x17470000 0x10000>;
+               };
+
                pinctrl_gpio_alive: pinctrl@174d0000 {
                        compatible = "google,gs101-pinctrl";
                        reg = <0x174d0000 0x00001000>;