[PATCH v4 2/4] dt-bindings: soc: spacemit: Add K1 MBUS controller
Krzysztof Kozlowski
krzk at kernel.org
Mon May 26 23:54:42 PDT 2025
On Mon, May 26, 2025 at 10:40:18PM GMT, Ze Huang wrote:
> Some devices on the SpacemiT K1 SoC perform DMA through a memory bus
> (MBUS) that is not their immediate parent in the device tree. This bus
> uses a different address mapping than the CPU.
>
> To express this topology properly, devices are expected to use the
> interconnects with name "dma-mem" to reference the MBUS controller.
>
> Signed-off-by: Ze Huang <huangze at whut.edu.cn>
> ---
> .../bindings/soc/spacemit/spacemit,k1-mbus.yaml | 55 ++++++++++++++++++++++
> 1 file changed, 55 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-mbus.yaml b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-mbus.yaml
Memory bus controllers go to /memory-controllers/ directory.
Best regards,
Krzysztof
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