arm64: dts: exynos: gs101: add ACPM protocol node

Add the ACPM protocol node. ACPM protocol provides interface for all
the client drivers making use of the features offered by the
Active Power Management (APM) module.

Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20250207-gs101-acpm-dt-v4-3-230ba8663a2d@linaro.org
[krzysztof: correct alphabetical node placement]
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 09252c4e6da45cec1b615881bef9b16123e54bac..d2db0edffaf4f855a3628ba90be61dda4f6a8799 100644 (file)
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -196,6 +196,14 @@
                clock-output-names = "ext-200m";
        };
 
+       firmware {
+               acpm_ipc: power-management {
+                       compatible = "google,gs101-acpm-ipc";
+                       mboxes = <&ap2apm_mailbox>;
+                       shmem = <&apm_sram>;
+               };
+       };
+
        pmu-0 {
                compatible = "arm,cortex-a55-pmu";
                interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH &ppi_cluster0>;