[PATCH 5/5] arm64: dts: exynos850: Add ap2apm mailbox

Alexey Klimov
2026-03-20T21:15:25Z

Add mailbox node that describes AP-to-APM mailbox, that can be
used for communicating with APM co-processor on Exynos850 SoCs.

Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
---
arch/arm64/boot/dts/exynos/exynos850.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dts/exynos/exynos850.dtsi
index cb55015c8dce..fcb665ccc7ae 100644
--- a/arch/arm64/boot/dts/exynos/exynos850.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi
@@ -298,6 +298,15 @@ cmu_apm: clock-controller@11800000 {
clock-names = "oscclk", "dout_clkcmu_apm_bus";
};

+ ap2apm_mailbox: mailbox@11900000 {
+ compatible = "samsung,exynos850-mbox";
+ reg = <0x11900000 0x1000>;
+ clocks = <&cmu_apm CLK_GOUT_MAILBOX_APM_AP_PCLK>;
+ clock-names = "pclk";
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ #mbox-cells = <0>;
+ };
+
cmu_cmgp: clock-controller@11c00000 {
compatible = "samsung,exynos850-cmu-cmgp";
reg = <0x11c00000 0x8000>;

--
2.51.0