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The DMAC IP found on the Renesas RZ/V2H(P) family of SoCs is similar to the version found on the Renesas RZ/G2L family of SoCs, but there are some differences: * It only uses one register area * It only uses one clock * It only uses one reset * Instead of using MID/IRD it uses REQ No * It is connected to the Interrupt Control Unit (ICU) * On the RZ/G2L there is only 1 DMAC, on the RZ/V2H(P) there are 5 Add specific support for the Renesas RZ/V2H(P) family of SoC by tackling the aforementioned differences. Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20250423143422.3747702-6-fabrizio.castro.jz@renesas.com Signed-off-by: Vinod Koul <vkoul@kernel.org>