From f64fdd3c592dfb45d9c2be4b2506230467ebd27a Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 7 Feb 2025 15:56:45 +0000
Subject: [PATCH] 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>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 09252c4e6da45..d2db0edffaf4f 100644
--- 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>;
-- 
2.47.3