diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi index 084323d5c61c..1b3048b6f197 100644 --- a/arch/arm/boot/dts/sun8i-v3s.dtsi +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi @@ -577,6 +577,16 @@ int_mii_phy: ethernet-phy@1 { }; }; + mbus: dram-controller@1c62000 { + compatible = "allwinner,sun8i-v3s-mbus"; + reg = <0x01c62000 0x1000>; + clocks = <&ccu CLK_MBUS>; + #address-cells = <1>; + #size-cells = <1>; + dma-ranges = <0x00000000 0x40000000 0x80000000>; + #interconnect-cells = <1>; + }; + spi0: spi@1c68000 { compatible = "allwinner,sun8i-h3-spi"; reg = <0x01c68000 0x1000>;
The V3s uses the mbus interconnect to provide DRAM access for a number of blocks. The SoC can only map 2 GiB of DRAM, which is reflected in the dma-ranges property. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> --- arch/arm/boot/dts/sun8i-v3s.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+)