kernel/Documentation/devicetree/bindings/dma/nvidia,tegra210-adma.txt
.. .. @@ -4,7 +4,9 @@ 4 4 between system memory and the Audio Processing Engine (APE). 5 5 6 6 Required properties: 7 -- compatible: Must be "nvidia,tegra210-adma".7 +- compatible: Should contain one of the following:8 + - "nvidia,tegra210-adma": for Tegra2109 + - "nvidia,tegra186-adma": for Tegra186 and Tegra1948 10 - reg: Should contain DMA registers location and length. This should be 9 11 a single entry that includes all of the per-channel registers in one 10 12 contiguous bank.