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charset="utf-8" Update the compatible string for the DMA controller nodes in the Agilex5 device tree from the generic "snps,axi-dma-1.01a" to the platform-specific "altr,agilex5-axi-dma". Add fallback capability to ensure driver is able to initialize properly. This change enables the use of platform-specific features and constraints in the driver, such as setting a 40-bit DMA addressable mask, which is required for Agilex5. It also aligns with the updated device tree bindings and driver support for this compatible string. Signed-off-by: Khairul Anuar Romli --- arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/bo= ot/dts/intel/socfpga_agilex5.dtsi index a5c2025a616e..ef33f27b1a4d 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi +++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi @@ -324,7 +324,8 @@ ocram: sram@0 { }; =20 dmac0: dma-controller@10db0000 { - compatible =3D "snps,axi-dma-1.01a"; + compatible =3D "altr,agilex5-axi-dma", + "snps,axi-dma-1.01a"; reg =3D <0x10db0000 0x500>; clocks =3D <&clkmgr AGILEX5_L4_MAIN_CLK>, <&clkmgr AGILEX5_L4_MP_CLK>; @@ -342,7 +343,8 @@ dmac0: dma-controller@10db0000 { }; =20 dmac1: dma-controller@10dc0000 { - compatible =3D "snps,axi-dma-1.01a"; + compatible =3D "altr,agilex5-axi-dma", + "snps,axi-dma-1.01a"; reg =3D <0x10dc0000 0x500>; clocks =3D <&clkmgr AGILEX5_L4_MAIN_CLK>, <&clkmgr AGILEX5_L4_MP_CLK>; --=20 2.43.7