[PATCH] arm64: dts: exynos850: Add SRAM node

Krzysztof Kozlowski krzk at kernel.org
Mon Apr 13 08:23:25 PDT 2026


On 13/04/2026 16:52, Alexey Klimov wrote:
> SRAM is used by the ACPM protocol to retrieve the ACPM channels
> information and configuration data. Add the SRAM node.
> 
> Signed-off-by: Alexey Klimov <alexey.klimov at linaro.org>
> ---
>  arch/arm64/boot/dts/exynos/exynos850.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dts/exynos/exynos850.dtsi
> index cb55015c8dce..cf4a6168846c 100644
> --- a/arch/arm64/boot/dts/exynos/exynos850.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi
> @@ -910,6 +910,14 @@ spi_2: spi at 11d20000 {
>  			};
>  		};
>  	};
> +
> +	apm_sram: sram at 2039000 {
> +		compatible = "mmio-sram";
> +		reg = <0x0 0x2039000 0x40000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0x0 0x0 0x2039000 0x40000>;

You miss here children.

Also, 'ranges' should be after 'reg'.

Best regards,
Krzysztof



More information about the linux-arm-kernel mailing list