[PATCH v2 3/3] arm64: dts: exynos850: Add ap2apm mailbox

Tudor Ambarus tudor.ambarus at linaro.org
Thu Apr 2 01:48:40 PDT 2026



On 4/2/26 5:20 AM, Alexey Klimov wrote:
> Add mailbox node that describes AP-to-APM mailbox, that can be

okay so here it's AP-to-APM mailbox.

> used for communicating with APM co-processor on Exynos850 SoCs.
> 
> Signed-off-by: Alexey Klimov <alexey.klimov at 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 at 11800000 {
>  			clock-names = "oscclk", "dout_clkcmu_apm_bus";
>  		};
>  
> +		ap2apm_mailbox: mailbox at 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>;
> +		};
> +


lgtm:

Reviewed-by: Tudor Ambarus <tudor.ambarus at linaro.org>

>  		cmu_cmgp: clock-controller at 11c00000 {
>  			compatible = "samsung,exynos850-cmu-cmgp";
>  			reg = <0x11c00000 0x8000>;
> 




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